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Olympus TG-6 vs Sony A7R II

The Olympus Tough TG-6 and the Sony Alpha A7R II are two digital cameras that were officially introduced, respectively, in May 2019 and June 2015. The TG-6 is a fixed lens compact, while the A7R II is a mirrorless interchangeable lens camera. The cameras are based on a 1/2.3-inch (TG-6) and a full frame (A7R II) 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
versus
Sony A7R II
Olympus TG-6   Sony A7R II
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 100-25,600 (50 - 102,400)
No viewfinder, LCD framing Electronic viewfinder (2400k dots)
3.0" LCD – 1040k dots 3.0" LCD – 1229k dots
Fixed screen (not touch-sensitive) Tilting screen (no touchscreen)
20 shutter flaps per second 5 shutter flaps per second
In-body stabilizationIn-body stabilization
Waterproof body (15m)Weathersealed body
340 shots per battery charge290 shots per battery charge
113 x 66 x 32 mm, 253 g 127 x 96 x 60 mm, 625 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 A7R II? 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 side-by-side display below illustrates the physical size and weight of the Olympus TG-6 and the Sony A7R II. 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 II is only available in black.

Size Olympus TG-6 vs Sony A7R II
Compare TG-6 versus A7R II top
Comparison TG-6 or A7R II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R II 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 II 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 II 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 II can take 290 images on a single charge of its NP-FW50 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, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
    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 449 amazon.com
2.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199ebay.com
3.
 
Canon SX740 110 mm 64 mm 40 mm 299 g 265 n Jul 2018 399 amazon.com
4.
 
Fujifilm XF10 113 mm 64 mm 41 mm 279 g 330 n Jul 2018 499ebay.com
5.
 
Olympus TG-5 113 mm 66 mm 32 mm 250 g 340 Y May 2017 449ebay.com
6.
 
Olympus TG-4 112 mm 66 mm 31 mm 247 g 380 Y Apr 2015 379ebay.com
7.
 
Olympus E-PM1 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499ebay.com
8.
 
Olympus XZ-1 111 mm 65 mm 42 mm 275 g 320 n Jan 2011 499ebay.com
9.
 
Panasonic FT7 117 mm 76 mm 37 mm 319 g 300 Y May 2018 449ebay.com
10.
 
Ricoh WG-6 118 mm 66 mm 33 mm 246 g 340 Y Feb 2019 399 amazon.com
11.
 
Sony HX99 102 mm 58 mm 36 mm 242 g 370 n Aug 2018 449 amazon.com
12.
 
Sony HX95 102 mm 58 mm 36 mm 242 g 370 n Aug 2018 429 amazon.com
13.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
14.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199ebay.com
15.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999ebay.com
16.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999ebay.com
17.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 2,299ebay.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 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 II, 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 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 II a full frame sensor. The sensor area in the A7R II 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 II offers a 3:2 aspect.

Olympus TG-6 and Sony A7R II sensor measures

With 42.2MP, the A7R II offers a higher resolution than the TG-6 (12MP), but the A7R II 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 much more recent model (by 3 years and 11 months) than the A7R II, and its sensor will 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 II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A7R II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R II 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-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 A7R II 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 A7R II are ISO 100 to ISO 25600, 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-6 versus A7R II 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.

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Sensor Characteristics
    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 A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
3.
 
Canon SX740 1/2.3 20.2 5184 38884K/30p20.612.1105051
4.
 
Fujifilm XF10 APS-C 24.0 6000 40004K/15p24.013.4184483
5.
 
Olympus TG-5 1/2.3 12.0 4000 30004K/30p20.511.993450
6.
 
Olympus TG-4 1/2.3 15.9 4608 34561080/30p20.211.673747
7.
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952
8.
 
Olympus XZ-1 1/1.7 10.1 3664 2752720/30p18.810.411734
9.
 
Panasonic FT7 1/2.3 20.2 5184 38884K/30p20.612.1102851
10.
 
Ricoh WG-6 1/2.3 20.2 5184 38884K/30p20.712.2110452
11.
 
Sony HX99 1/2.3 18.0 4896 36724K/30p20.612.1105851
12.
 
Sony HX95 1/2.3 18.0 4896 36724K/30p20.612.1105751
13.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
14.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
15.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
16.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
17.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
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).

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7R II has an electronic viewfinder (2400k 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 II, and comparable cameras.

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Core Features
    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 A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
3.
 
Canon SX740none n3.0 / 922 tilting n 1/3200s 10.0/s Y Y
4.
 
Fujifilm XF10none n3.0 / 1040 fixed Y 1/4000s 6.0/s Y n
5.
 
Olympus TG-5none n3.0 / 460 fixed n 1/2000s 20.0/s Y Y
6.
 
Olympus TG-4none n3.0 / 460 fixed n 1/2000s 5.0/s Y Y
7.
 
Olympus E-PM1optional n3.0 / 460 fixed n 1/4000s 5.5/s n Y
8.
 
Olympus XZ-1optional n3.0 / 614 fixed n 1/2000s 2.0/s Y Y
9.
 
Panasonic FT71170 n3.0 / 1040 fixed n 1/1300s 10.0/s Y Y
10.
 
Ricoh WG-6none n3.0 / 1040 fixed n 1/4000s 1.0/s Y n
11.
 
Sony HX99638 n3.0 / 922 tilting Y 1/2000s 10.0/s Y Y
12.
 
Sony HX95638 n3.0 / 922 tilting n 1/2000s 10.0/s Y Y
13.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
15.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
16.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
17.
 
Sony A7R2400 n3.0 / 1230 tilting n 1/8000s 4.0/s n n
Notes: *) 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 A7R II 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 II 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 has 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 II uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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 A7R II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    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 A7R IIYstereo / monoYYmicro2.0YY-
3.
 
Canon SX740-stereo / mono--micro2.0Y-Y
4.
 
Fujifilm XF10-stereo / monoY-micro2.0Y-Y
5.
 
Olympus TG-5-stereo / mono--micro2.0Y--
6.
 
Olympus TG-4-stereo / mono--micro2.0Y--
7.
 
Olympus E-PM1Ystereo / mono--mini2.0---
8.
 
Olympus XZ-1Ymono / ---mini2.0---
9.
 
Panasonic FT7-stereo / mono--micro2.0Y--
10.
 
Ricoh WG-6-mono / mono--micro3.0---
11.
 
Sony HX99-stereo / mono--micro2.0YYY
12.
 
Sony HX95-stereo / mono--micro2.0YYY
13.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
14.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
15.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
16.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
17.
 
Sony A7RYstereo / monoYYmicro2.0YY-

It is notable that the A7R II 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 TG-6 is a recent model that features in the current product line-up of Olympus. In contrast, the A7R II has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the A7R II was succeeded by the Sony A7R III. Further information on the features and operation of the TG-6 and A7R II can be found, respectively, in the Olympus TG-6 Manual (free pdf) or the online Sony A7R II Manual.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Olympus TG-6 or the Sony A7R II – 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 5 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Has a lens built-in, whereas the A7R II 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 II).
  • Longer lasting: Can take more shots (340 versus 290) on a single battery charge.
  • 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: Reflects 3 years and 11 months of technical progress since the A7R II launch.

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Reasons to prefer the Sony Alpha A7R II:

  • 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.
  • 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 (1229k vs 1040k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • 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.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More heavily discounted: Has been around for much longer (launched in June 2015).

If the count of individual advantages (bullet points above) is taken as a guide, the A7R II is the clear winner of the contest (18 : 12 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 12:18 A7R II

How about other alternatives? Do the specifications of the Olympus TG-6 and the Sony A7R II 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 II 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

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 (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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus TG-6..+ +4.5/576/1004/54/5 May 2019 449 amazon.com
2.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199ebay.com
3.
 
Canon SX740..+3.5/5..4/54/5 Jul 2018 399 amazon.com
4.
 
Fujifilm XF10....4/575/1004/54.5/5 Jul 2018 499ebay.com
5.
 
Olympus TG-5..+ +4.5/5..4/54/5 May 2017 449ebay.com
6.
 
Olympus TG-4..+..79/1004/54/5 Apr 2015 379ebay.com
7.
 
Olympus E-PM1..86/100..71/1004.5/54.5/5 Jun 2011 499ebay.com
8.
 
Olympus XZ-14/5....74/1004.5/54.5/5 Jan 2011 499ebay.com
9.
 
Panasonic FT7..+....3.5/53.5/5 May 2018 449ebay.com
10.
 
Ricoh WG-6........3.5/53.5/5 Feb 2019 399 amazon.com
11.
 
Sony HX99........4/54.5/5 Aug 2018 449 amazon.com
12.
 
Sony HX95............ Aug 2018 429 amazon.com
13.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
14.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199ebay.com
15.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 2,999ebay.com
16.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999ebay.com
17.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 2,299ebay.com
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.

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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. 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 II

    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 II
    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 June 2015
    Launch Price USD 449 USD 3,199
    Sensor Specs Olympus TG-6 Sony A7R II
    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 - 25,600 ISO
    ISO Boost no Enhancement 50 - 102,400 ISO
    Image Processor TruePic VIII BIONZ X
    DXO Sensor Quality (score) .. 98
    DXO Color Depth (bits) .. 26.0
    DXO Dynamic Range (EV) .. 13.9
    DXO Low Light (ISO) .. 3434
    Screen Specs Olympus TG-6 Sony A7R II
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 2400k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1229k dots
    LCD Attachment Fixed screen Tilting screen
    Shooting Specs Olympus TG-6 Sony A7R II
    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 5 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    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 Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Olympus TG-6 Sony A7R II
    External Flash no Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    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
    Geotagging GPS built-in no internal GPS
    Body Specs Olympus TG-6 Sony A7R II
    Environmental SealingWaterproof body (15m)Weathersealed body
    Battery Type LI-92B NP-FW50
    Battery Life (CIPA)340 shots per charge290 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 60 mm
    (5.0 x 3.8 x 2.4 in)
    Camera Weight 253 g (8.9 oz) 625 g (22.0 oz)
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