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Olympus TG-6 vs Sony A7R III

The Olympus Tough TG-6 and the Sony Alpha A7R III are two digital cameras that were officially introduced, respectively, in May 2019 and October 2017. The TG-6 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-6) 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-6   Sony A7R III
Olympus TG-6 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 100-12800 ISO 100-32000 (50-102400)
No viewfinder, LCD framing Electronic viewfinder (3686k dots)
3.0" LCD, 1040k 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 (nom)Weathersealed body
340 shots per battery charge650 shots per battery charge
113 x 66 x 32 mm, 253 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-6 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.

Body comparison: Olympus TG-6 vs Sony A7R III

The side-by-side display below illustrates the physical size and weight of the Olympus TG-6 and the Sony A7R III. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side 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 A7R III is only available in black.

Size Olympus TG-6 vs Sony A7R III
Compare TG-6 versus A7R III top
Comparison TG-6 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-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 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-6 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 table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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-6» 4.4 in 2.6 in 1.3 in 8.9 oz 340 Y May 2019 449 i i Olympus TG-6
 
Sony A7R III« 5.0 in 3.8 in 2.9 in 22.9 oz 650 Y Oct 2017 3,199 i i Sony A7R III
 
Canon SX740« » 4.3 in 2.5 in 1.6 in 10.5 oz 265 n Jul 2018 399 i i Canon SX740
 
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-5« » 4.4 in 2.6 in 1.3 in 8.8 oz 340 Y May 2017 449- i Olympus TG-5
 
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
 
Ricoh WG-6« » 4.6 in 2.6 in 1.3 in 8.7 oz 340 Y Feb 2019 399 i i Ricoh WG-6
 
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
 
Sony HX99« » 4.0 in 2.3 in 1.4 in 8.5 oz 370 n Aug 2018 449 i i Sony HX99
 
Sony HX95« » 4.0 in 2.3 in 1.4 in 8.5 oz 370 n Aug 2018 429 i i Sony HX95
 
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 A99 II« » 5.6 in 4.1 in 3.0 in 29.9 oz 490 Y Sep 2016 3,199 i i Sony A99 II
 
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 A7S II« » 5.0 in 3.8 in 2.4 in 22.1 oz 370 Y Sep 2015 2,999 i i Sony A7S II
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

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-6 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.

 

Sensor comparison: Olympus TG-6 vs Sony A7R III

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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-6 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-6 has a native 4:3 aspect ratio, while the one in the A7R III offers a 3:2 aspect.

Technology-wise, both cameras are equipped with BSI-CMOS (Backside Illuminated Complementary Metal–Oxide–Semiconductor) sensors.

Olympus TG-6 and Sony A7R III sensor measures

With 42.2MP, the A7R III offers a higher resolution than the TG-6 (12MP), but the A7R III nevertheless has larger individual pixels (pixel pitch of 4.52μm 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 6 months) than the A7R III, and its sensor might have benefitted from technological advances during this time that 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 inch or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inch or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inch or 67.3 x 44.9 cm. The corresponding values for the Olympus TG-6 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 A7R III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the TG-6, 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-6 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.

TG-6 versus A7R 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 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-6» 1/2.3 12.0 4000 30004K/30p----Olympus TG-6
 
Sony A7R III« Full Frame 42.2 7952 53044K/30p26.014.73523100Sony A7R III
 
Canon SX740« » 1/2.3 20.2 5184 38884K/30p----Canon SX740
 
Nikon W300« » 1/2.3 15.9 4608 34564K/30p----Nikon W300
 
Olympus TG-5« » 1/2.3 12.0 4000 30004K/30p----Olympus TG-5
 
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
 
Ricoh WG-6« » 1/2.3 20.2 5184 38884K/30p----Ricoh WG-6
 
Sony A7 III« » Full Frame 24.0 6000 40004K/30p25.014.7373096Sony A7 III
 
Sony HX99« » 1/2.3 18.0 4896 36724K/30p----Sony HX99
 
Sony HX95« » 1/2.3 18.0 4896 36724K/30p----Sony HX95
 
Sony A9« » Full Frame 24.0 6000 40004K/30p24.913.3351792Sony A9
 
Sony A99 II« » Full Frame 42.2 7952 53044K/30p25.413.4231792Sony A99 II
 
Sony A7R II« » Full Frame 42.2 7952 53044K/30p26.013.9343498Sony A7R II
 
Sony A7S II« » Full Frame 12.0 4240 28324K/30p23.613.3299385Sony A7S II

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).

 

Feature comparison: Olympus TG-6 vs Sony A7R III

Apart from body and sensor, cameras can and do differ across a variety 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-6 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-6, the Sony A7R III, and comparable 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-6»- n 3.0 1040 fixed n 1/2000s 20.0 Y Y Olympus TG-6
 
Sony A7R III«3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A7R III
 
Canon SX740« »- n 3.0 922 tilting n 1/3200s 10.0 Y Y Canon SX740
 
Nikon W300« »- n 3.0 921 fixed n 1/4000s 7.0 Y Y Nikon W300
 
Olympus TG-5« »- n 3.0 460 fixed n 1/2000s 20.0 Y Y Olympus TG-5
 
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
 
Ricoh WG-6« »- n 3.0 1040 fixed n 1/4000s 1.0 Y n Ricoh WG-6
 
Sony A7 III« »2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y Sony A7 III
 
Sony HX99« »638 n 3.0 922 tilting Y 1/2000s 10.0 Y Y Sony HX99
 
Sony HX95« »638 n 3.0 922 tilting n 1/2000s 10.0 Y Y Sony HX95
 
Sony A9« »3686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y Sony A9
 
Sony A99 II« »2400 Y 3.0 1229 full-flex n 1/8000s 12.0 n Y Sony A99 II
 
Sony A7R II« »2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7R II
 
Sony A7S II« »2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7S II

One difference between the cameras concerns the presence of an on-board flash. The TG-6 has one, while the A7R 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 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-6 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-6 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-6 only has one slot. The A7R III supports UHS-II cards (on its first slot), while the TG-6 can use UHS-I cards.

 

Connectivity comparison: Olympus TG-6 vs Sony A7R III

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 A7R 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-6»-stereomono--micro2.0Y--Olympus TG-6
 
Sony A7R III«YstereomonoYYmicro3.1YYYSony A7R III
 
Canon SX740« »-stereomono--micro2.0YYYCanon SX740
 
Nikon W300« »-stereomono--micro2.0Y-YNikon W300
 
Olympus TG-5« »-stereomono--micro2.0Y--Olympus TG-5
 
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
 
Ricoh WG-6« »-monomono--micro3.0---Ricoh WG-6
 
Sony A7 III« »YstereomonoYYmicro3.1YYYSony A7 III
 
Sony HX99« »-stereomono--micro2.0YYYSony HX99
 
Sony HX95« »-stereomono--micro2.0YYYSony HX95
 
Sony A9« »YstereomonoYYmicro2.0YYYSony A9
 
Sony A99 II« »YstereomonoYYmicro2.0YYYSony A99 II
 
Sony A7R II« »YstereomonoYYmicro2.0YY-Sony A7R II
 
Sony A7S II« »YstereomonoYYmicro2.0YY-Sony A7S II

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-6 does not feature such a mic input.

Studio photographers will appreciate that the Sony A7R III (unlike the TG-6) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the TG-6 and the A7R III are recent models that are part of the current product line-up. The A7R III replaced the earlier Sony A7R II, while the TG-6 followed on from the Olympus TG-5. 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: Olympus TG-6 vs Sony A7R III

So what conclusions can be drawn? Which of the two cameras – the Olympus TG-6 or the Sony A7R III – has the upper hand? Is one clearly better than the other? 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-6:

  • 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.
  • 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 6 months after the A7R III).

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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 framing and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 1040k 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 heavily discounted: Has been on the market for longer (launched in October 2017).

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 : 9 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. 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-6 09:26 A7R III

How about other alternatives? Do the specifications of the Olympus TG-6 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 comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the TG-6 or the A7R III perform in practice. 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: Olympus TG-6 vs Sony A7R III

This is why expert reviews are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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-6»----- May 2019 449 i i Olympus TG-6
 
Sony A7R III«+ +90/1004.5/55/55/5 Oct 2017 3,199 i i Sony A7R III
 
Canon SX740« »+-4/5-4/5 Jul 2018 399 i i Canon SX740
 
Nikon W300« »+-4/5-4/5 May 2017 389 i i Nikon W300
 
Olympus TG-5« »+ +-4/5o4/5 May 2017 449- i Olympus TG-5
 
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
 
Ricoh WG-6« »----- Feb 2019 399 i i Ricoh WG-6
 
Sony A7 III« »+ +89/1005/55/55/5 Feb 2018 1,999 i i Sony A7 III
 
Sony HX99« »--4/5-4.5/5 Aug 2018 449 i i Sony HX99
 
Sony HX95« »----- Aug 2018 429 i i Sony HX95
 
Sony A9« »+ +89/1005/55/55/5 Apr 2017 4,499 i i Sony A9
 
Sony A99 II« »-85/1004.5/54.5/54.5/5 Sep 2016 3,199 i i Sony A99 II
 
Sony A7R II« »+ +90/1005/54.5/55/5 Jun 2015 3,199- i Sony A7R II
 
Sony A7S II« »+-4.5/55/55/5 Sep 2015 2,999 i i Sony A7S II
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

The above review scores should be interpreted 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, please note that some of the review sites have changed their methodology and reporting over time.

Olympus TG-6:
Check Amazon price
Sony A7R 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-6 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-6 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 2019 October 2017
    Launch Price USD 449 USD 3199
    Sensor Specs Olympus TG-6 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 100-12800 ISO 100-32000 ISO
    ISO Boost no Enhancement 50-102400 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-6 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 3.0 inch 3.0 inch
    LCD Resolution 1040k dots 1440k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Olympus TG-6 Sony A7R 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-6 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
    Body Specs Olympus TG-6 Sony A7R III
    Environmental SealingWaterproof body (15m)Weathersealed body
    Battery Type LI-92B power pack NP-FZ100 power pack
    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 253 g (8.9 oz) 650 g (22.9 oz)

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