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Olympus TG-5 vs Sony A7 III

The Olympus Tough TG-5 and the Sony Alpha A7 III are two digital cameras that were announced, respectively, in May 2017 and February 2018. The TG-5 is a fixed lens compact, while the A7 III is a mirrorless interchangeable lens camera. The cameras are based on a 1/2.3-inch (TG-5) and a full frame (A7 III) sensor. The Olympus has a resolution of 12 megapixels, whereas the Sony provides 24 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   Sony A7 III
Olympus TG-5 Sony A7 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 24 MP, Full Frame Sensor
4K/30p Video 4K/30p Video
ISO 100-12800 ISO 100-51200 (50-204800)
No viewfinder, LCD framing Electronic viewfinder (2359k dots)
3.0" LCD, 460k dots 3.0" LCD, 922k 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 (nom)Weathersealed body
340 shots per battery charge610 shots per battery charge
113 x 66 x 32 mm, 250 g 127 x 96 x 74 mm, 650 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus Tough TG-5 and the Sony Alpha A7 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.

Body comparison

The physical size and weight of the Olympus TG-5 and the Sony A7 III are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

The TG-5 can be obtained in two different colors (black, red), while the A7 III is only available in black.

Size Olympus TG-5 vs Sony A7 III
Compare TG-5 versus A7 III top
Comparison TG-5 or A7 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 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 A7 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 A7 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 A7 III can take 610 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 table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Olympus TG-5» 4.4 in 2.6 in 1.3 in 8.8 oz 340 Y May 2017 449- i Olympus TG-5
 
Sony A7 III« 5.0 in 3.8 in 2.9 in 22.9 oz 610 Y Feb 2018 1,999 i i Sony A7 III
 
Canon SX740« » 4.3 in 2.5 in 1.6 in 10.5 oz 265 n Jul 2018 399 i i Canon SX740
 
Canon 6D Mark II« » 5.7 in 4.4 in 3.0 in 27.0 oz 1200 Y Jun 2017 1,999 i i Canon 6D Mark II
 
Canon SX730« » 4.3 in 2.5 in 1.6 in 10.6 oz 250 n Apr 2017 399- i Canon SX730
 
Fujifilm XP130« » 4.3 in 2.8 in 1.1 in 7.3 oz 240 n Jan 2018 229- i Fujifilm XP130
 
Nikon W300« » 4.4 in 2.6 in 1.1 in 8.1 oz 280 Y May 2017 389 i i Nikon W300
 
Olympus TG-6« » 4.4 in 2.6 in 1.3 in 8.9 oz 340 Y May 2019 449 i i Olympus TG-6
 
Olympus TG-4« » 4.4 in 2.6 in 1.2 in 8.7 oz 380 Y Apr 2015 379- i Olympus TG-4
 
Olympus E-PM1« » 4.3 in 2.5 in 1.3 in 9.3 oz 330 n Jun 2011 499- i Olympus E-PM1
 
Olympus XZ-1« » 4.4 in 2.6 in 1.7 in 9.7 oz 320 n Jan 2011 499- i Olympus XZ-1
 
Panasonic TS7« » 4.6 in 3.0 in 1.5 in 11.3 oz 300 Y May 2018 449 i i Panasonic TS7
 
Sony HX99« » 4.0 in 2.3 in 1.4 in 8.5 oz 370 n Aug 2018 449 i i Sony HX99
 
Sony A9« » 5.0 in 3.8 in 2.5 in 23.7 oz 650 Y Apr 2017 4,499 i i Sony A9
 
Sony A7R II« » 5.0 in 3.8 in 2.4 in 22.0 oz 290 Y Jun 2015 3,199- i Sony A7R II
 
Sony A7 II« » 5.0 in 3.8 in 2.4 in 21.1 oz 350 Y Nov 2014 1,999- i Sony A7 II
 
Sony A7« » 5.0 in 3.7 in 1.9 in 16.7 oz 340 Y Oct 2013 1,699- i Sony A7
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. 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 A7 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.

 

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus TG-5 features a 1/2.3-inch sensor and the Sony A7 III a full frame sensor. The sensor area in the A7 III is 2925 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 A7 III offers a 3:2 aspect.

Olympus TG-5 and Sony A7 III sensor measures

With 24MP, the A7 III offers a higher resolution than the TG-5 (12MP), but the A7 III nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 1.53μm for the TG-5) due to its larger sensor. Moreover, the A7 III is a somewhat more recent model (by 9 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 A7 III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A7 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7 III for good quality output (200 dots per inch) amounts to 30 x 20 inch or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inch or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inch or 50.8 x 33.9 cm. The corresponding values for the Olympus TG-5 are 20 x 15 inch or 50.8 x 38.1 cm for good quality, 16 x 12 inch or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inch or 33.9 x 25.4 cm for excellent quality prints.

The A7 III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Olympus Tough TG-5 has a native sensitivity range from ISO 100 to ISO 12800. The corresponding ISO settings for the Sony Alpha A7 III are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

TG-5 versus A7 III MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Olympus TG-5» 1/2.3 12.0 4000 30004K/30p----Olympus TG-5
 
Sony A7 III« Full Frame 24.0 6000 40004K/30p25.014.7373096Sony A7 III
 
Canon SX740« » 1/2.3 20.2 5184 38884K/30p----Canon SX740
 
Canon 6D Mark II« » Full Frame 26.0 6240 41601080/60p24.411.9286285Canon 6D Mark II
 
Canon SX730« » 1/2.3 20.2 5184 38881080/60p----Canon SX730
 
Fujifilm XP130« » 1/2.3 15.9 4608 34561080/60p----Fujifilm XP130
 
Nikon W300« » 1/2.3 15.9 4608 34564K/30p----Nikon W300
 
Olympus TG-6« » 1/2.3 12.0 4000 30004K/30p----Olympus TG-6
 
Olympus TG-4« » 1/2.3 15.9 4608 34561080/30p----Olympus TG-4
 
Olympus E-PM1« » Four Thirds 12.2 4032 30241080/60i21.010.349952Olympus E-PM1
 
Olympus XZ-1« » 1/1.7 10.1 3664 2752720/30p18.810.411734Olympus XZ-1
 
Panasonic TS7« » 1/2.3 20.2 5184 38884K/30p----Panasonic TS7
 
Sony HX99« » 1/2.3 18.0 4896 36724K/30p----Sony HX99
 
Sony A9« » Full Frame 24.0 6000 40004K/30p24.913.3351792Sony A9
 
Sony A7R II« » Full Frame 42.2 7952 53044K/30p26.013.9343498Sony A7R II
 
Sony A7 II« » Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
 
Sony A7« » Full Frame 24.0 6000 40001080/60p24.814.2224890Sony A7

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).

 

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7 III has an electronic viewfinder (2359k 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 table below summarizes some of the other core capabilities of the Olympus TG-5 and Sony A7 III in connection with corresponding information for a sample of similar cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Olympus TG-5»- n 3.0 460 fixed n 1/2000s 20.0 Y Y Olympus TG-5
 
Sony A7 III«2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y Sony A7 III
 
Canon SX740« »- n 3.0 922 tilting n 1/3200s 10.0 Y Y Canon SX740
 
Canon 6D Mark II« »optical Y 3.0 1040 swivel Y 1/4000s 6.5 n n Canon 6D Mark II
 
Canon SX730« »- n 3.0 922 tilting n 1/3200s 5.9 Y Y Canon SX730
 
Fujifilm XP130« »- n 3.0 920 fixed n 1/2000s 10.0 Y Y Fujifilm XP130
 
Nikon W300« »- n 3.0 921 fixed n 1/4000s 7.0 Y Y Nikon W300
 
Olympus TG-6« »- n 3.0 1040 fixed n 1/2000s 20.0 Y Y Olympus TG-6
 
Olympus TG-4« »- n 3.0 460 fixed n 1/2000s 5.0 Y Y Olympus TG-4
 
Olympus E-PM1« »- n 3.0 460 fixed n 1/4000s 5.5 n Y Olympus E-PM1
 
Olympus XZ-1« »- n 3.0 614 fixed n 1/2000s 2.0 Y Y Olympus XZ-1
 
Panasonic TS7« »1170 n 3.0 1040 fixed n 1/1300s 10.0 Y Y Panasonic TS7
 
Sony HX99« »638 n 3.0 922 tilting Y 1/2000s 10.0 Y Y Sony HX99
 
Sony A9« »3686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y Sony A9
 
Sony A7R II« »2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7R II
 
Sony A7 II« »2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y Sony A7 II
 
Sony A7« »2400 n 3.0 1230 tilting n 1/8000s 5.0 n n Sony A7

One difference between the cameras concerns the presence of an on-board flash. The TG-5 has one, while the A7 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 A7 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 A7 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 A7 III uses SDXC or Memory Stick PRO Duo cards. The A7 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 A7 III supports UHS-II cards (on its first slot), while the TG-5 can use UHS-I cards.

 

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 A7 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Olympus TG-5»-stereomono--micro2.0Y--Olympus TG-5
 
Sony A7 III«YstereomonoYYmicro3.1YYYSony A7 III
 
Canon SX740« »-stereomono--micro2.0YYYCanon SX740
 
Canon 6D Mark II« »YstereomonoY-mini2.0YYYCanon 6D Mark II
 
Canon SX730« »-stereomono--micro2.0YYYCanon SX730
 
Fujifilm XP130« »-monomono--micro2.0Y-YFujifilm XP130
 
Nikon W300« »-stereomono--micro2.0Y-YNikon W300
 
Olympus TG-6« »-stereomono--micro2.0Y--Olympus TG-6
 
Olympus TG-4« »-stereomono--micro2.0Y--Olympus TG-4
 
Olympus E-PM1« »Ystereomono--mini2.0---Olympus E-PM1
 
Olympus XZ-1« »Ymono---mini2.0---Olympus XZ-1
 
Panasonic TS7« »-stereomono--micro2.0Y--Panasonic TS7
 
Sony HX99« »-stereomono--micro2.0YYYSony HX99
 
Sony A9« »YstereomonoYYmicro2.0YYYSony A9
 
Sony A7R II« »YstereomonoYYmicro2.0YY-Sony A7R II
 
Sony A7 II« »YstereomonoYYmicro2.0YY-Sony A7 II
 
Sony A7« »YstereomonoYYmicro2.0YY-Sony A7

It is notable that the A7 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.

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.

The A7 III is a recent model that features in the current product line-up of Sony. In contrast, the TG-5 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the TG-5 was succeeded by the Olympus TG-6. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Olympus and Sony websites.


Review summary

So what is the bottom line? Is there a clear favorite between the Olympus TG-5 and the Sony A7 III? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer 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 A7 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 A7 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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Advantages of the Sony Alpha A7 III:

  • More detail: Has more megapixels (24 vs 12MP), which boosts linear resolution by 44%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Is equipped with a larger and more technologically advanced sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • 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 (922k 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 (610 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.
  • 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 (9 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the A7 III is the clear winner of the contest (24 : 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 10:24 A7 III

How about other alternatives? Do the specifications of the Olympus TG-5 and the Sony A7 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 A7 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 (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Olympus TG-5»+ +-4/5o4/5 May 2017 449- i Olympus TG-5
 
Sony A7 III«+ +89/1005/55/55/5 Feb 2018 1,999 i i Sony A7 III
 
Canon SX740« »+-4/5-4/5 Jul 2018 399 i i Canon SX740
 
Canon 6D Mark II« »+80/1004.5/54/54/5 Jun 2017 1,999 i i Canon 6D Mark II
 
Canon SX730« »+-4/5-4/5 Apr 2017 399- i Canon SX730
 
Fujifilm XP130« »o-3.5/5-4/5 Jan 2018 229- i Fujifilm XP130
 
Nikon W300« »+-4/5-4/5 May 2017 389 i i Nikon W300
 
Olympus TG-6« »+ +-4/5-4/5 May 2019 449 i i Olympus TG-6
 
Olympus TG-4« »+79/1004/54/54/5 Apr 2015 379- i Olympus TG-4
 
Olympus E-PM1« »86/10071/1004.5/5-4.5/5 Jun 2011 499- i Olympus E-PM1
 
Olympus XZ-1« »-74/1004.5/54.5/54.5/5 Jan 2011 499- i Olympus XZ-1
 
Panasonic TS7« »+---3.5/5 May 2018 449 i i Panasonic TS7
 
Sony HX99« »--4/5-4.5/5 Aug 2018 449 i i Sony HX99
 
Sony A9« »+ +89/1005/55/55/5 Apr 2017 4,499 i i Sony A9
 
Sony A7R II« »+ +90/1005/54.5/55/5 Jun 2015 3,199- i Sony A7R II
 
Sony A7 II« »+82/1004.5/55/55/5 Nov 2014 1,999- i Sony A7 II
 
Sony A7« »+ +80/1005/54.5/55/5 Oct 2013 1,699- i Sony A7
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Olympus TG-5:
Check Ebay offers
Sony A7 III:
Check Amazon price

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. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Olympus TG-5 vs Sony A7 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 A7 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 February 2018
    Launch Price USD 449 USD 1999
    Sensor Specs Olympus TG-5 Sony A7 III
    Sensor Technology BSI-CMOS BSI-CMOS
    Sensor Format 1/2.3" Sensor Full Frame Sensor
    Sensor Size 6.17 x 4.55 mm 35.6 x 23.8 mm
    Sensor Area 28.0735 mm2 847.28 mm2
    Sensor Diagonal 7.7 mm 42.8 mm
    Crop Factor 5.6x 1.0x
    Sensor Resolution 12 Megapixels 24 Megapixels
    Image Resolution 4000 x 3000 pixels 6000 x 4000 pixels
    Pixel Pitch 1.53 μm 5.94 μm
    Pixel Density 42.74 MP/cm2 2.83 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 100-12800 ISO 100-51200 ISO
    ISO Boost no Enhancement 50-204800 ISO
    Image Processor TruePic VIII BIONZ X
    DXO Sensor Quality (score) .. 96
    DXO Color Depth (bits) .. 25.0
    DXO Dynamic Range (EV) .. 14.7
    DXO Low Light (ISO) .. 3730
    Screen Specs Olympus TG-5 Sony A7 III
    Viewfinder Type No viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 2359k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 460k dots 922k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Olympus TG-5 Sony A7 III
    Autofocus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000/s 1/8000/s
    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 Build-in Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-I Single UHS-II
    Connectivity Specs Olympus TG-5 Sony A7 III
    External Flash no Hotshoe Hotshoe
    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 A7 III
    Environmental SealingWaterproof body (15m)Weathersealed body
    Battery Type LI-92B NP-FZ100
    Battery Life (CIPA)340 shots per charge610 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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