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Olympus TG-6 vs Sony A7 III

The Olympus Tough TG-6 and the Sony Alpha A7 III are two digital cameras that were revealed to the public, respectively, in May 2019 and February 2018. The TG-6 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-6) 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-6
versus
Sony A7 III
Olympus TG-6   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 100-12,800 ISO 100-51,200 (50 - 204,800)
No viewfinder, LCD framing Electronic viewfinder (2359k dots)
3.0" LCD – 1040k 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 (15m)Weathersealed body
340 shots per battery charge610 shots per battery charge
113 x 66 x 32 mm, 253 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-6 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.

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Body comparison

The physical size and weight of the Olympus TG-6 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 width, height and depth measures are rounded to the nearest millimeter.

The TG-6 can be obtained in two different colors (black, red), while the A7 III is only available in black.

Size Olympus TG-6 vs Sony A7 III
Compare TG-6 versus A7 III top
Comparison TG-6 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-6. 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-6 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-6 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-6 gets 340 shots out of its Olympus LI-92B battery, while the A7 III can take 610 images on a single charge of its Sony NP-FZ100 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus TG-6 113 mm 66 mm 32 mm 253 g 340 Y May 2019 449ebay.com
2.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
3.
 
Canon SX740 110 mm 64 mm 40 mm 299 g 265 n Jul 2018 399 amazon.com
4.
 
Nikon W300 112 mm 66 mm 29 mm 231 g 280 Y May 2017 389ebay.com
5.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 1,999ebay.com
6.
 
Olympus E-PM1 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499ebay.com
7.
 
Olympus TG-4 112 mm 66 mm 31 mm 247 g 380 Y Apr 2015 379ebay.com
8.
 
Olympus TG-5 113 mm 66 mm 32 mm 250 g 340 Y May 2017 449ebay.com
9.
 
Olympus XZ-1 111 mm 65 mm 42 mm 275 g 320 n Jan 2011 499ebay.com
10.
 
OM System TG-7 114 mm 66 mm 33 mm 249 g 330 Y Sep 2023 549 amazon.com
11.
 
Panasonic TS7 117 mm 76 mm 37 mm 319 g 300 Y May 2018 449ebay.com
12.
 
Ricoh WG-6 118 mm 66 mm 33 mm 246 g 340 Y Feb 2019 399 amazon.com
13.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999ebay.com
14.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
15.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499ebay.com
16.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499ebay.com
17.
 
Sony HX99 102 mm 58 mm 36 mm 242 g 370 n Aug 2018 449ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The TG-6 was launched at a lower price than the A7 III, despite having a lens built in. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus TG-6 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-6 has a native 4:3 aspect ratio, while the one in the A7 III offers a 3:2 aspect.

Olympus TG-6 and Sony A7 III sensor measures

With 24MP, the A7 III offers a higher resolution than the TG-6 (12MP), but the A7 III nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 1.53μm for the TG-6) due to its larger sensor. However, the TG-6 is a somewhat more recent model (by 1 year and 2 months) than the A7 III, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

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 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Olympus TG-6 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 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-6 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.

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-6 versus A7 III MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus TG-6 1/2.3 12.0 4000 30004K/30p20.712.2112752
2.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
3.
 
Canon SX740 1/2.3 20.2 5184 38884K/30p20.612.1105051
4.
 
Nikon W300 1/2.3 15.9 4608 34564K/30p20.512.093850
5.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
6.
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952
7.
 
Olympus TG-4 1/2.3 15.9 4608 34561080/30p20.211.673747
8.
 
Olympus TG-5 1/2.3 12.0 4000 30004K/30p20.511.993450
9.
 
Olympus XZ-1 1/1.7 10.1 3664 2752720/30p18.810.411734
10.
 
OM System TG-7 1/2.3 12.0 4000 30004K/30p20.912.7155354
11.
 
Panasonic TS7 1/2.3 20.2 5184 38884K/30p20.612.1102851
12.
 
Ricoh WG-6 1/2.3 20.2 5184 38884K/30p20.712.2110452
13.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
14.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
15.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
16.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
17.
 
Sony HX99 1/2.3 18.0 4896 36724K/30p20.612.1105851
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, 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 A7 III has an electronic viewfinder (2359k dots), which can be very helpful when shooting in bright sunlight. In contrast, the TG-6 relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Olympus TG-6 and Sony A7 III in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty 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-6none n3.0 / 1040 fixed n 1/2000s 20.0/s Y Y
2.
 
Sony A7 III2359 n3.0 / 922 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.
 
Nikon W300none n3.0 / 921 fixed n 1/4000s 7.0/s Y Y
5.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
6.
 
Olympus E-PM1optional n3.0 / 460 fixed n 1/4000s 5.5/s n Y
7.
 
Olympus TG-4none n3.0 / 460 fixed n 1/2000s 5.0/s Y Y
8.
 
Olympus TG-5none n3.0 / 460 fixed n 1/2000s 20.0/s Y Y
9.
 
Olympus XZ-1optional n3.0 / 614 fixed n 1/2000s 2.0/s Y Y
10.
 
OM System TG-7none n3.0 / 1040 fixed n 1/2000s 20.0/s Y Y
11.
 
Panasonic TS71170 n3.0 / 1040 fixed n 1/1300s 10.0/s Y Y
12.
 
Ricoh WG-6none n3.0 / 1040 fixed n 1/4000s 1.0/s Y n
13.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
14.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7R IV5760 n3.0 / 1440 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 HX99638 n3.0 / 922 tilting Y 1/2000s 10.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The TG-6 has one, while the A7 III does not. While the built-in flash of the TG-6 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-6 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-6 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-6 only has one slot. The A7 III supports UHS-II cards (on its first slot), while the TG-6 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-6 and Sony Alpha A7 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
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus TG-6-stereo / mono--micro2.0Y--
2.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
3.
 
Canon SX740-stereo / mono--micro2.0Y-Y
4.
 
Nikon W300-stereo / mono--micro2.0Y-Y
5.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
6.
 
Olympus E-PM1Ystereo / mono--mini2.0---
7.
 
Olympus TG-4-stereo / mono--micro2.0Y--
8.
 
Olympus TG-5-stereo / mono--micro2.0Y--
9.
 
Olympus XZ-1Ymono / ---mini2.0---
10.
 
OM System TG-7-stereo / mono--micro2.0Y--
11.
 
Panasonic TS7-stereo / mono--micro2.0Y--
12.
 
Ricoh WG-6-mono / mono--micro3.0---
13.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
14.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
15.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
16.
 
Sony A9Ystereo / monoYYmicro2.0YYY
17.
 
Sony HX99-stereo / mono--micro2.0YYY

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-6 does not feature such a mic input.

Travel and landscape photographers will find it useful that the TG-6 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-6 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the TG-6 was succeeded by the OM System TG-7. Further information on the features and operation of the TG-6 and A7 III can be found, respectively, in the Olympus TG-6 Manual (free pdf) or the online Sony A7 III Manual.

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Review summary

So what conclusions can be drawn? Is the Olympus TG-6 better than the Sony A7 III or vice versa? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Olympus Tough TG-6:

  • More detailed LCD: Has a higher resolution rear screen (1040k vs 922k dots).
  • 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 modern: Is somewhat more recent (announced 1 year and 2 months after the A7 III).

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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%.
  • 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 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 heavily discounted: Has been on the market for longer (launched in February 2018).

If the count of individual advantages (bullet points above) is taken as a guide, the A7 III is the clear winner of the contest (22 : 10 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

TG-6 10:22 A7 III

How about other alternatives? Do the specifications of the Olympus TG-6 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 comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the TG-6 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 why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus TG-64/5+ +4.5/576/1004/54/5 May 2019 449ebay.com
2.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
3.
 
Canon SX740..+3.5/5..4/54/5 Jul 2018 399 amazon.com
4.
 
Nikon W300..+....4/54/5 May 2017 389ebay.com
5.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 1,999ebay.com
6.
 
Olympus E-PM1..86/100..71/1004.5/54.5/5 Jun 2011 499ebay.com
7.
 
Olympus TG-4..+..79/1004/54/5 Apr 2015 379ebay.com
8.
 
Olympus TG-5..+ +4.5/5..4/54/5 May 2017 449ebay.com
9.
 
Olympus XZ-14/5....74/1004.5/54.5/5 Jan 2011 499ebay.com
10.
 
OM System TG-74/5..4.5/5..4/54/5 Sep 2023 549 amazon.com
11.
 
Panasonic TS7..+......3.5/5 May 2018 449ebay.com
12.
 
Ricoh WG-6........3.5/53.5/5 Feb 2019 399 amazon.com
13.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999ebay.com
14.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
15.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499ebay.com
16.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499ebay.com
17.
 
Sony HX99........4/54.5/5 Aug 2018 449ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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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 make a corresponding selection in the search boxes 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-6 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-6 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 2019 February 2018
    Launch Price USD 449 USD 1,999
    Sensor Specs Olympus TG-6 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 Anti-Alias filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 100 - 12,800 ISO 100 - 51,200 ISO
    ISO Boost no Enhancement 50 - 204,800 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-6 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 3.0inch 3.0inch
    LCD Resolution 1040k dots 922k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Olympus TG-6 Sony A7 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-6 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-6 Sony A7 III
    Environmental SealingWaterproof body (15m)Weathersealed body
    Battery Type Olympus LI-92B Sony 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 253 g (8.9 oz) 650 g (22.9 oz)
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