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Olympus TG-4 vs Sony A7

The Olympus Tough TG-4 and the Sony Alpha A7 are two digital cameras that were announced, respectively, in April 2015 and October 2013. The TG-4 is a fixed lens compact, while the A7 is a mirrorless interchangeable lens camera. The cameras are based on a 1/2.3-inch (TG-4) and a full frame (A7) sensor. The Olympus has a resolution of 15.9 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-4
versus
Sony A7
Olympus TG-4   Sony A7
Fixed lens compact camera Mirrorless system camera
25-100mm f/2.0-4.9 Sony E mount lenses
15.9 MP – 1/2.3" sensor 24 MP – Full Frame sensor
1080/30p Video 1080/60p Video
ISO 100-6,400 ISO 100-25,600 (50 - 51,200)
No viewfinder, LCD framing Electronic viewfinder (2400k dots)
3.0" LCD – 460k dots 3.0" LCD – 1230k dots
Fixed screen (not touch-sensitive) Tilting screen (no touchscreen)
5 shutter flaps per second 5 shutter flaps per second
In-body stabilizationLens stabilization only
Waterproof body (15m)Weathersealed body
380 shots per battery charge340 shots per battery charge
112 x 66 x 31 mm, 247 g 127 x 94 x 48 mm, 474 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus Tough TG-4 and the Sony Alpha A7? 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

An illustration of the physical size and weight of the Olympus TG-4 and the Sony A7 is provided in the side-by-side display below. 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-4 can be obtained in two different colors (black, red), while the A7 is only available in black.

Size Olympus TG-4 vs Sony A7
Compare TG-4 versus A7 top
Comparison TG-4 or A7 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 is considerably larger (61 percent) than the Olympus TG-4. 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-4 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-4 has a lens built in, whereas the A7 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 and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the TG-4 gets 380 shots out of its Olympus LI-92B battery, while the A7 can take 340 images on a single charge of its Sony NP-FW50 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

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

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus TG-4 112 mm 66 mm 31 mm 247 g 380 Y Apr 2015 379ebay.com
2.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 1,699ebay.com
3.
 
Canon SX700 113 mm 66 mm 35 mm 269 g 250 n Feb 2014 349ebay.com
4.
 
Fujifilm XP140 110 mm 71 mm 28 mm 207 g 240 Y Feb 2019 229ebay.com
5.
 
Fujifilm XP130 110 mm 71 mm 28 mm 207 g 240 Y Jan 2018 229ebay.com
6.
 
Fujifilm XP120 110 mm 71 mm 28 mm 203 g 210 Y Jan 2017 229ebay.com
7.
 
Nikon W300 112 mm 66 mm 29 mm 231 g 280 Y May 2017 389ebay.com
8.
 
Olympus TG-6 113 mm 66 mm 32 mm 253 g 340 Y May 2019 449ebay.com
9.
 
Olympus TG-5 113 mm 66 mm 32 mm 250 g 340 Y May 2017 449ebay.com
10.
 
OM System TG-7 114 mm 66 mm 33 mm 249 g 330 Y Sep 2023 549 amazon.com
11.
 
Sony HX80 102 mm 58 mm 36 mm 245 g 390 n Mar 2016 349ebay.com
12.
 
Sony HX90V 102 mm 58 mm 36 mm 245 g 360 n Apr 2015 429ebay.com
13.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999ebay.com
14.
 
Sony A7S 127 mm 94 mm 48 mm 489 g 380 Y Apr 2014 2,499ebay.com
15.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 2,299ebay.com
16.
 
Sony RX1R 113 mm 65 mm 70 mm 482 g 270 n Jun 2013 2,799ebay.com
17.
 
Sony RX1 113 mm 65 mm 70 mm 482 g 270 n Sep 2012 2,799ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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Any camera decision will obviously take relative prices into account. 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-4 was launched at a lower price than the A7, 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 imaging sensor is a crucial determinant 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus TG-4 features a 1/2.3-inch sensor and the Sony A7 a full frame sensor. The sensor area in the A7 is 2957 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-4 has a native 4:3 aspect ratio, while the one in the A7 offers a 3:2 aspect.

Olympus TG-4 and Sony A7 sensor measures

With 24MP, the A7 offers a higher resolution than the TG-4 (15.9MP), but the A7 nevertheless has larger individual pixels (pixel pitch of 5.97μm versus 1.33μm for the TG-4) due to its larger sensor. However, the TG-4 is a somewhat more recent model (by 1 year and 5 months) than the A7, 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 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7 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-4 are 23 x 17.3 inches or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inches or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inches or 39 x 29.3 cm for excellent quality prints.

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

The Olympus Tough TG-4 has a native sensitivity range from ISO 100 to ISO 6400. The corresponding ISO settings for the Sony Alpha A7 are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

In terms of underlying technology, the TG-4 is build around a BSI-CMOS sensor, while the A7 uses a CMOS imager. 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-4 versus A7 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus TG-4 1/2.3 15.9 4608 34561080/30p20.211.673747
2.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
3.
 
Canon SX700 1/2.3 15.9 4608 34561080/60p20.111.462945
4.
 
Fujifilm XP140 1/2.3 15.9 4608 34564K/15p20.712.2110252
5.
 
Fujifilm XP130 1/2.3 15.9 4608 34561080/60p20.612.1100051
6.
 
Fujifilm XP120 1/2.3 15.9 4608 34561080/60p20.511.990049
7.
 
Nikon W300 1/2.3 15.9 4608 34564K/30p20.512.093850
8.
 
Olympus TG-6 1/2.3 12.0 4000 30004K/30p20.712.2112752
9.
 
Olympus TG-5 1/2.3 12.0 4000 30004K/30p20.511.993450
10.
 
OM System TG-7 1/2.3 12.0 4000 30004K/30p20.912.7155354
11.
 
Sony HX80 1/2.3 18.0 4896 36721080/60p20.411.882248
12.
 
Sony HX90V 1/2.3 18.0 4896 36721080/60p20.211.673847
13.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
14.
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.2370287
15.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
16.
 
Sony RX1R Full Frame 24.0 6000 40001080/60p25.013.6253791
17.
 
Sony RX1 Full Frame 24.0 6000 40001080/60p25.114.3253493
Note: DXO values in italics represent estimates based on sensor size and age.
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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, but the A7 provides a faster frame rate than the TG-4. It can shoot movie footage at 1080/60p, while the Olympus is limited to 1080/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the A7 has an electronic viewfinder (2400k dots), which can be very helpful when shooting in bright sunlight. In contrast, the TG-4 relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Olympus TG-4 and Sony A7 in connection with corresponding information for a sample of similar cameras.

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Core Features
# image Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Olympus TG-4none n3.0 / 460 fixed n 1/2000s 5.0/s Y Y
2.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0/s n n
3.
 
Canon SX700none n3.0 / 922 fixed n 1/3200s 8.5/s Y Y
4.
 
Fujifilm XP140none n3.0 / 920 fixed n 1/2000s 10.0/s Y Y
5.
 
Fujifilm XP130none n3.0 / 920 fixed n 1/2000s 10.0/s Y Y
6.
 
Fujifilm XP120none n3.0 / 920 fixed n 1/2000s 10.0/s Y Y
7.
 
Nikon W300none n3.0 / 921 fixed n 1/4000s 7.0/s Y Y
8.
 
Olympus TG-6none n3.0 / 1040 fixed n 1/2000s 20.0/s Y Y
9.
 
Olympus TG-5none n3.0 / 460 fixed n 1/2000s 20.0/s Y Y
10.
 
OM System TG-7none n3.0 / 1040 fixed n 1/2000s 20.0/s Y Y
11.
 
Sony HX80638 n3.0 / 922 tilting n 1/2000s 10.0/s Y Y
12.
 
Sony HX90V638 n3.0 / 921 tilting n 1/2000s 10.0/s Y Y
13.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
14.
 
Sony A7S2400 n3.0 / 921 tilting n 1/8000s 5.0/s n n
15.
 
Sony A7R2400 n3.0 / 1230 tilting n 1/8000s 4.0/s n n
16.
 
Sony RX1Roptional n3.0 / 1229 fixed n 1/4000s 5.0/s Y n
17.
 
Sony RX1optional n3.0 / 1229 fixed n 1/4000s 5.0/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One difference between the cameras concerns the presence of an on-board flash. The TG-4 has one, while the A7 does not. While the built-in flash of the TG-4 is not very powerful, it can at times be useful as a fill-in light.

The Olympus TG-4 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-4 writes its imaging data to SDXC cards, while the A7 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.

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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-4 and Sony Alpha A7 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus TG-4-stereo / mono--micro2.0Y--
2.
 
Sony A7Ystereo / monoYYmicro2.0YY-
3.
 
Canon SX700-stereo / mono--micro2.0YY-
4.
 
Fujifilm XP140-mono / mono--micro2.0Y-Y
5.
 
Fujifilm XP130-mono / mono--micro2.0Y-Y
6.
 
Fujifilm XP120-mono / mono--micro2.0Y--
7.
 
Nikon W300-stereo / mono--micro2.0Y-Y
8.
 
Olympus TG-6-stereo / mono--micro2.0Y--
9.
 
Olympus TG-5-stereo / mono--micro2.0Y--
10.
 
OM System TG-7-stereo / mono--micro2.0Y--
11.
 
Sony HX80-stereo / mono--micro2.0YY-
12.
 
Sony HX90V-stereo / mono--micro2.0YY-
13.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
14.
 
Sony A7SYstereo / monoYYmicro2.0YY-
15.
 
Sony A7RYstereo / monoYYmicro2.0YY-
16.
 
Sony RX1RYstereo / monoY-mini2.0---
17.
 
Sony RX1Ystereo / monoY-mini2.0---
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It is notable that the A7 has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The TG-4 does not feature such a mic input.

Travel and landscape photographers will find it useful that the TG-4 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the TG-4 and the A7 have been discontinued, but can regularly be found used on ebay. The A7 was replaced by the Sony A7 II, while the TG-4 was followed by the Olympus TG-5. Further information on the features and operation of the TG-4 and A7 can be found, respectively, in the Olympus TG-4 Manual (free pdf) or the online Sony A7 Manual.

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Review summary

So how do things add up? Is there a clear favorite between the Olympus TG-4 and the Sony A7? 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-4:

  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Has a lens built-in, whereas the A7 requires a separate lens.
  • More compact: Is smaller (112x66mm vs 127x94mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A7).
  • Longer lasting: Can take more shots (380 versus 340) on a single battery charge.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • 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 5 months after the A7).

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Advantages of the Sony Alpha A7:

  • More detail: Has more megapixels (24 vs 15.9MP), which boosts linear resolution by 25%.
  • 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 video: Provides higher movie framerates (1080/60p versus 1080/30p).
  • 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 (1230k vs 460k 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.
  • 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 on the market for longer (launched in October 2013).

If the count of individual advantages (bullet points above) is taken as a guide, the A7 is the clear winner of the contest (17 : 11 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-4 11:17 A7

How about other alternatives? Do the specifications of the Olympus TG-4 and the Sony A7 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-4 or the A7. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

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

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus TG-4..+..79/1004/54/5 Apr 2015 379ebay.com
2.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 1,699ebay.com
3.
 
Canon SX700..+ +....4/54/5 Feb 2014 349ebay.com
4.
 
Fujifilm XP140..+....3.5/54/5 Feb 2019 229ebay.com
5.
 
Fujifilm XP130..o....3.5/54/5 Jan 2018 229ebay.com
6.
 
Fujifilm XP120..o....3.5/54/5 Jan 2017 229ebay.com
7.
 
Nikon W300..+....4/54/5 May 2017 389ebay.com
8.
 
Olympus TG-64/5+ +4.5/576/1004/54/5 May 2019 449ebay.com
9.
 
Olympus TG-5..+ +4.5/5..4/54/5 May 2017 449ebay.com
10.
 
OM System TG-74/5..4.5/5..4/54/5 Sep 2023 549 amazon.com
11.
 
Sony HX80............ Mar 2016 349ebay.com
12.
 
Sony HX90V4/5+ +....4/54.5/5 Apr 2015 429ebay.com
13.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999ebay.com
14.
 
Sony A7S4/5....86/1004.5/55/5 Apr 2014 2,499ebay.com
15.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 2,299ebay.com
16.
 
Sony RX1R5/5......4/54.5/5 Jun 2013 2,799ebay.com
17.
 
Sony RX15/5....79/1004/54.5/5 Sep 2012 2,799ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. 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-4 vs Sony A7

    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-4 Sony A7
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 25-100mm f/2.0-4.9 Sony E mount lenses
    Launch Date April 2015 October 2013
    Launch Price USD 379 USD 1,699
    Sensor Specs Olympus TG-4 Sony A7
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1/2.3" Sensor Full Frame Sensor
    Sensor Size 6.17 x 4.55 mm 35.8 x 23.9 mm
    Sensor Area 28.0735 mm2 855.62 mm2
    Sensor Diagonal 7.7 mm 43 mm
    Crop Factor 5.6x 1.0x
    Sensor Resolution 15.9 Megapixels 24 Megapixels
    Image Resolution 4608 x 3456 pixels 6000 x 4000 pixels
    Pixel Pitch 1.33 μm 5.97 μm
    Pixel Density 56.73 MP/cm2 2.80 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video 1080/60p Video
    ISO Setting 100 - 6,400 ISO 100 - 25,600 ISO
    ISO Boost no Enhancement 50 - 51,200 ISO
    Image Processor TruePic VII BIONZ X
    DXO Sensor Quality (score) .. 90
    DXO Color Depth (bits) .. 24.8
    DXO Dynamic Range (EV) .. 14.2
    DXO Low Light (ISO) .. 2248
    Screen Specs Olympus TG-4 Sony A7
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.71x
    Viewfinder Resolution 2400k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 460k dots 1230k dots
    LCD Attachment Fixed screen Tilting screen
    Shooting Specs Olympus TG-4 Sony A7
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/8000s
    Continuous Shooting 5 shutter flaps/s 5 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationLens stabilization only
    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-4 Sony A7
    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-4 Sony A7
    Environmental SealingWaterproof body (15m)Weathersealed body
    Battery Type Olympus LI-92B Sony NP-FW50
    Battery Life (CIPA)380 shots per charge340 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 112 x 66 x 31 mm
    (4.4 x 2.6 x 1.2 in)
    127 x 94 x 48 mm
    (5.0 x 3.7 x 1.9 in)
    Camera Weight 247 g (8.7 oz) 474 g (16.7 oz)
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