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Olympus TG-5 vs Sony A7R III

The Olympus Tough TG-5 and the Sony Alpha A7R III are two digital cameras that were revealed to the public, respectively, in May 2017 and October 2017. The TG-5 is a fixed lens compact, while the A7R III is a mirrorless interchangeable lens camera. The cameras are based on a 1/2.3-inch (TG-5) and a full frame (A7R III) sensor. The Olympus has a resolution of 12 megapixels, whereas the Sony provides 42.2 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Olympus TG-5
versus
Sony A7R III
Olympus TG-5   Sony A7R III
Fixed lens compact camera Mirrorless system camera
25-100mm f/2.0-4.9 Sony E mount lenses
12 MP – 1/2.3" sensor 42.2 MP – Full Frame sensor
4K/30p Video 4K/30p Video
ISO 100-12,800 ISO 100-32,000 (50 - 102,400)
No viewfinder, LCD framing Electronic viewfinder (3686k dots)
3.0" LCD – 460k dots 3.0" LCD – 1440k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
20 shutter flaps per second 10 shutter flaps per second
In-body stabilizationIn-body stabilization
Waterproof body (15m)Weathersealed body
340 shots per battery charge650 shots per battery charge
113 x 66 x 32 mm, 250 g 127 x 96 x 74 mm, 650 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus Tough TG-5 and the Sony Alpha A7R III? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The physical size and weight of the Olympus TG-5 and the Sony A7R III are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

The TG-5 can be obtained in two different colors (black, red), while the A7R III is only available in black.

Size Olympus TG-5 vs Sony A7R III
Compare TG-5 versus A7R III top
Comparison TG-5 or A7R III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R III is considerably larger (63 percent) than the Olympus TG-5. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments. More than that, the TG-5 is water-proof up to 15m and can, thus, be used for underwater photography.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the TG-5 has a lens built in, whereas the A7R III is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the A7R III and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the TG-5 gets 340 shots out of its LI-92B battery, while the A7R III can take 650 images on a single charge of its NP-FZ100 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus TG-5 113 mm 66 mm 32 mm 250 g 340 Y May 2017 449ebay.com
2.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
3.
 
Canon SX740 110 mm 64 mm 40 mm 299 g 265 n Jul 2018 399 amazon.com
4.
 
Canon SX730 110 mm 64 mm 40 mm 300 g 250 n Apr 2017 399ebay.com
5.
 
Fujifilm XP130 110 mm 71 mm 28 mm 207 g 240 Y Jan 2018 229ebay.com
6.
 
Nikon W300 112 mm 66 mm 29 mm 231 g 280 Y May 2017 389 amazon.com
7.
 
Olympus TG-6 113 mm 66 mm 32 mm 253 g 340 Y May 2019 449 amazon.com
8.
 
Olympus TG-4 112 mm 66 mm 31 mm 247 g 380 Y Apr 2015 379ebay.com
9.
 
Olympus E-PM1 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499ebay.com
10.
 
Olympus XZ-1 111 mm 65 mm 42 mm 275 g 320 n Jan 2011 499ebay.com
11.
 
OM System TG-7 114 mm 66 mm 33 mm 249 g 330 Y Sep 2023 549 amazon.com
12.
 
Panasonic TS7 117 mm 76 mm 37 mm 319 g 300 Y May 2018 449ebay.com
13.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 3,199 amazon.com
14.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499ebay.com
15.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
16.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499ebay.com
17.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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The price is, of course, an important factor in any camera decision. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The TG-5 was launched at a lower price than the A7R III, despite having a lens built in. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Olympus TG-5 features a 1/2.3-inch sensor and the Sony A7R III a full frame sensor. The sensor area in the A7R III is 2979 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 1.0. The sensor in the TG-5 has a native 4:3 aspect ratio, while the one in the A7R III offers a 3:2 aspect.

Olympus TG-5 and Sony A7R III sensor measures

With 42.2MP, the A7R III offers a higher resolution than the TG-5 (12MP), but the A7R III nevertheless has larger individual pixels (pixel pitch of 4.52μm versus 1.53μm for the TG-5) due to its larger sensor. Moreover, the A7R III is a somewhat more recent model (by 5 months) than the TG-5, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the A7R III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A7R III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R III for good quality output (200 dots per inch) amounts to 39.8 x 26.5 inches or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inches or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inches or 67.3 x 44.9 cm. The corresponding values for the Olympus TG-5 are 20 x 15 inches or 50.8 x 38.1 cm for good quality, 16 x 12 inches or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inches or 33.9 x 25.4 cm for excellent quality prints.

The A7R III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the TG-5, the A7R III has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Olympus Tough TG-5 has a native sensitivity range from ISO 100 to ISO 12800. The corresponding ISO settings for the Sony Alpha A7R III are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 50-102400.

Technology-wise, both cameras are equipped with BSI-CMOS (Backside Illuminated Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

TG-5 versus A7R III MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus TG-5 1/2.3 12.0 4000 30004K/30p20.511.993450
2.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
3.
 
Canon SX740 1/2.3 20.2 5184 38884K/30p20.612.1105051
4.
 
Canon SX730 1/2.3 20.2 5184 38881080/60p20.511.992450
5.
 
Fujifilm XP130 1/2.3 15.9 4608 34561080/60p20.612.1100051
6.
 
Nikon W300 1/2.3 15.9 4608 34564K/30p20.512.093850
7.
 
Olympus TG-6 1/2.3 12.0 4000 30004K/30p20.712.2112752
8.
 
Olympus TG-4 1/2.3 15.9 4608 34561080/30p20.211.673747
9.
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952
10.
 
Olympus XZ-1 1/1.7 10.1 3664 2752720/30p18.810.411734
11.
 
OM System TG-7 1/2.3 12.0 4000 30004K/30p20.912.7155354
12.
 
Panasonic TS7 1/2.3 20.2 5184 38884K/30p20.612.1102851
13.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
14.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
15.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
16.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
17.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, and both provide the same movie specifications (4K/30p).

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7R III has an electronic viewfinder (3686k dots), which can be very helpful when shooting in bright sunlight. In contrast, the TG-5 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Olympus TG-5, the Sony A7R III, and comparable cameras.

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Core Features
# image Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Olympus TG-5none n3.0 / 460 fixed n 1/2000s 20.0/s Y Y
2.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
3.
 
Canon SX740none n3.0 / 922 tilting n 1/3200s 10.0/s Y Y
4.
 
Canon SX730none n3.0 / 922 tilting n 1/3200s 5.9/s Y Y
5.
 
Fujifilm XP130none n3.0 / 920 fixed n 1/2000s 10.0/s Y Y
6.
 
Nikon W300none n3.0 / 921 fixed n 1/4000s 7.0/s Y Y
7.
 
Olympus TG-6none n3.0 / 1040 fixed n 1/2000s 20.0/s Y Y
8.
 
Olympus TG-4none n3.0 / 460 fixed n 1/2000s 5.0/s Y Y
9.
 
Olympus E-PM1optional n3.0 / 460 fixed n 1/4000s 5.5/s n Y
10.
 
Olympus XZ-1optional n3.0 / 614 fixed n 1/2000s 2.0/s Y Y
11.
 
OM System TG-7none n3.0 / 1040 fixed n 1/2000s 20.0/s Y Y
12.
 
Panasonic TS71170 n3.0 / 1040 fixed n 1/1300s 10.0/s Y Y
13.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
17.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One difference between the cameras concerns the presence of an on-board flash. The TG-5 has one, while the A7R III does not. While the built-in flash of the TG-5 is not very powerful, it can at times be useful as a fill-in light.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the A7R III is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Olympus TG-5 and the Sony A7R III both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The TG-5 writes its imaging data to SDXC cards, while the A7R III uses SDXC or Memory Stick PRO Duo cards. The A7R III features dual card slots, which can be very useful in case a memory card fails. In contrast, the TG-5 only has one slot. The A7R III supports UHS-II cards (on its first slot), while the TG-5 can use UHS-I cards.

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Olympus Tough TG-5 and Sony Alpha A7R III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus TG-5-stereo / mono--micro2.0Y--
2.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
3.
 
Canon SX740-stereo / mono--micro2.0Y-Y
4.
 
Canon SX730-stereo / mono--micro2.0YYY
5.
 
Fujifilm XP130-mono / mono--micro2.0Y-Y
6.
 
Nikon W300-stereo / mono--micro2.0Y-Y
7.
 
Olympus TG-6-stereo / mono--micro2.0Y--
8.
 
Olympus TG-4-stereo / mono--micro2.0Y--
9.
 
Olympus E-PM1Ystereo / mono--mini2.0---
10.
 
Olympus XZ-1Ymono / ---mini2.0---
11.
 
OM System TG-7-stereo / mono--micro2.0Y--
12.
 
Panasonic TS7-stereo / mono--micro2.0Y--
13.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
14.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
15.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
16.
 
Sony A9Ystereo / monoYYmicro2.0YYY
17.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
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It is notable that the A7R III has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The TG-5 does not feature such a mic input.

Studio photographers will appreciate that the Sony A7R III (unlike the TG-5) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the TG-5 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the TG-5 and the A7R III have been discontinued, but can regularly be found used on ebay. The TG-5 was replaced by the Olympus TG-6, while the A7R III was followed by the Sony A7R IV. Further information on the features and operation of the TG-5 and A7R III can be found, respectively, in the Olympus TG-5 Manual (free pdf) or the online Sony A7R III Manual.

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Review summary

So how do things add up? Is the Olympus TG-5 better than the Sony A7R III or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Olympus Tough TG-5:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Faster burst: Shoots at higher frequency (20 vs 10 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Has a lens built-in, whereas the A7R III requires a separate lens.
  • More compact: Is smaller (113x66mm vs 127x96mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A7R III).
  • Water-proof: Is rugged and sealed and can thus be used for underwater photography (up to 15m).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been on the market for longer (launched in May 2017).

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Reasons to prefer the Sony Alpha A7R III:

  • More detail: Has more megapixels (42.2 vs 12MP), which boosts linear resolution by 91%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 460k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (650 versus 340) out of a single battery charge.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Was introduced somewhat (5 months) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the A7R III is the clear winner of the contest (26 : 10 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

TG-5 10:26 A7R III

How about other alternatives? Do the specifications of the Olympus TG-5 and the Sony A7R III place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the TG-5 or the A7R III. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus TG-5..+ +4.5/5..4/54/5 May 2017 449ebay.com
2.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
3.
 
Canon SX740..+3.5/5..4/54/5 Jul 2018 399 amazon.com
4.
 
Canon SX730..+....4/54/5 Apr 2017 399ebay.com
5.
 
Fujifilm XP130..o....3.5/54/5 Jan 2018 229ebay.com
6.
 
Nikon W300..+....4/54/5 May 2017 389 amazon.com
7.
 
Olympus TG-64/5+ +4.5/576/1004/54/5 May 2019 449 amazon.com
8.
 
Olympus TG-4..+..79/1004/54/5 Apr 2015 379ebay.com
9.
 
Olympus E-PM1..86/100..71/1004.5/54.5/5 Jun 2011 499ebay.com
10.
 
Olympus XZ-14/5....74/1004.5/54.5/5 Jan 2011 499ebay.com
11.
 
OM System TG-7............ Sep 2023 549 amazon.com
12.
 
Panasonic TS7..+......3.5/5 May 2018 449ebay.com
13.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 3,199 amazon.com
14.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499ebay.com
15.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
16.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499ebay.com
17.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Olympus TG-5 vs Sony A7R III

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Olympus TG-5 Sony A7R III
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 25-100mm f/2.0-4.9 Sony E mount lenses
    Launch Date May 2017 October 2017
    Launch Price USD 449 USD 3,199
    Sensor Specs Olympus TG-5 Sony A7R III
    Sensor Technology BSI-CMOS BSI-CMOS
    Sensor Format 1/2.3" Sensor Full Frame Sensor
    Sensor Size 6.17 x 4.55 mm 35.9 x 24.0 mm
    Sensor Area 28.0735 mm2 861.6 mm2
    Sensor Diagonal 7.7 mm 43.2 mm
    Crop Factor 5.6x 1.0x
    Sensor Resolution 12 Megapixels 42.2 Megapixels
    Image Resolution 4000 x 3000 pixels 7952 x 5304 pixels
    Pixel Pitch 1.53 μm 4.52 μm
    Pixel Density 42.74 MP/cm2 4.90 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 100 - 12,800 ISO 100 - 32,000 ISO
    ISO Boost no Enhancement 50 - 102,400 ISO
    Image Processor TruePic VIII BIONZ X
    DXO Sensor Quality (score) .. 100
    DXO Color Depth (bits) .. 26.0
    DXO Dynamic Range (EV) .. 14.7
    DXO Low Light (ISO) .. 3523
    Screen Specs Olympus TG-5 Sony A7R III
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 3686k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 460k dots 1440k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Olympus TG-5 Sony A7R III
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/8000s
    Continuous Shooting 20 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I Single UHS-II
    Connectivity Specs Olympus TG-5 Sony A7R III
    External Flash no Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.1
    HDMI Port micro HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Geotagging GPS built-in no internal GPS
    Body Specs Olympus TG-5 Sony A7R III
    Environmental SealingWaterproof body (15m)Weathersealed body
    Battery Type LI-92B NP-FZ100
    Battery Life (CIPA)340 shots per charge650 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 113 x 66 x 32 mm
    (4.4 x 2.6 x 1.3 in)
    127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    Camera Weight 250 g (8.8 oz) 650 g (22.9 oz)
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