Olympus TG-4 vs Sony A7S III
90 Imaging
40 Features
51 Overall
44


61 Imaging
64 Features
92 Overall
75
Olympus TG-4 vs Sony A7S III Key Specs
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 100 - 6400
- Sensor-shift Image Stabilization
- 1920 x 1080 video
- 25-100mm (F2.0-4.9) lens
- 247g - 112 x 66 x 31mm
- Revealed April 2015
- Earlier Model is Olympus TG-3
- Replacement is Olympus TG-5
(Full Review)
- 12MP - Full frame Sensor
- 3" Fully Articulated Screen
- ISO 80 - 102400 (Increase to 409600)
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 699g - 129 x 97 x 81mm
- Announced July 2020
- Superseded the Sony A7S II

Olympus TG-4 vs Sony A7S III Overview
Let's take a deeper look at the Olympus TG-4 and Sony A7S III, one being a Waterproof and the latter is a Pro Mirrorless by brands Olympus and Sony. There is a huge difference between the sensor resolutions of the TG-4 (16MP) and A7S III (12MP) and the TG-4 (1/2.3") and A7S III (Full frame) come with different sensor dimensions.

The TG-4 was manufactured 6 years before the A7S III and that is quite a significant gap as far as tech is concerned. Both of the cameras come with different body type with the Olympus TG-4 being a Compact camera and the Sony A7S III being a SLR-style mirrorless camera.
Before delving through a step-by-step comparison, below is a brief view of how the TG-4 scores against the A7S III in the way of portability, imaging, features and an overall grade.

Olympus TG-4 vs Sony A7S III Gallery
The following is a preview of the gallery photos for Olympus Tough TG-4 and Sony Alpha A7S III. The entire galleries are available at Olympus TG-4 Gallery and Sony A7S III Gallery.
Reasons to pick Olympus TG-4 over the Sony A7S III
TG-4 | A7S III |
---|
Reasons to pick Sony A7S III over the Olympus TG-4
A7S III | TG-4 | |||
---|---|---|---|---|
Announced | July 2020 | ![]() | April 2015 | More recent by 64 months |
Screen type | Fully articulated | ![]() | Fixed | Fully Articulating screen |
Screen resolution | 1440k | ![]() | 460k | Clearer screen (+980k dot) |
Selfie screen | ![]() | Easy selfies | ||
Touch friendly screen | ![]() | Quickly navigate |
Common features in the Olympus TG-4 and Sony A7S III
TG-4 | A7S III | |||
---|---|---|---|---|
Focus manually | ![]() | More precise focusing | ||
Screen dimension | 3" | ![]() | 3" | Identical screen sizing |
Olympus TG-4 vs Sony A7S III Physical Comparison
If you're intending to lug around your camera, you have to think about its weight and volume. The Olympus TG-4 comes with exterior measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") having a weight of 247 grams (0.54 lbs) while the Sony A7S III has sizing of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") with a weight of 699 grams (1.54 lbs).
Compare the Olympus TG-4 and Sony A7S III in the all new Camera and Lens Size Comparison Tool.
Remember, the weight of an Interchangeable Lens Camera will change based on the lens you are utilizing at the time. Underneath is the front view physical size comparison of the TG-4 against the A7S III.

Taking into consideration size and weight, the portability grade of the TG-4 and A7S III is 90 and 61 respectively.

Olympus TG-4 vs Sony A7S III Sensor Comparison
Often, it's tough to imagine the gap between sensor measurements just by reading specs. The photograph here may give you a more clear sense of the sensor measurements in the TG-4 and A7S III.
As you can plainly see, the 2 cameras posses different resolutions and different sensor measurements. The TG-4 because of its tinier sensor is going to make getting shallow DOF trickier and the Olympus TG-4 will offer you more detail due to its extra 4MP. Higher resolution will make it easier to crop shots somewhat more aggressively. The older TG-4 is going to be disadvantaged in sensor tech.

Olympus TG-4 vs Sony A7S III Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus TG-4 vs Sony A7S III Specifications
Olympus Tough TG-4 | Sony Alpha A7S III | |
---|---|---|
General Information | ||
Brand | Olympus | Sony |
Model type | Olympus Tough TG-4 | Sony Alpha A7S III |
Class | Waterproof | Pro Mirrorless |
Revealed | 2015-04-13 | 2020-07-21 |
Body design | Compact | SLR-style mirrorless |
Sensor Information | ||
Powered by | TruePic VII | Bionz XR |
Sensor type | BSI-CMOS | BSI-CMOS |
Sensor size | 1/2.3" | Full frame |
Sensor measurements | 6.17 x 4.55mm | 35.6 x 23.8mm |
Sensor surface area | 28.1mm² | 847.3mm² |
Sensor resolution | 16 megapixels | 12 megapixels |
Anti alias filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
Maximum resolution | 4608 x 3456 | 4240 x 2832 |
Maximum native ISO | 6400 | 102400 |
Maximum boosted ISO | - | 409600 |
Lowest native ISO | 100 | 80 |
RAW files | ||
Lowest boosted ISO | - | 50 |
Autofocusing | ||
Manual focusing | ||
Autofocus touch | ||
Autofocus continuous | ||
Autofocus single | ||
Tracking autofocus | ||
Selective autofocus | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Autofocus live view | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Total focus points | 25 | 759 |
Lens | ||
Lens mount type | fixed lens | Sony E |
Lens zoom range | 25-100mm (4.0x) | - |
Highest aperture | f/2.0-4.9 | - |
Macro focusing range | 1cm | - |
Number of lenses | - | 121 |
Focal length multiplier | 5.8 | 1 |
Screen | ||
Range of screen | Fixed Type | Fully articulated |
Screen sizing | 3" | 3" |
Screen resolution | 460 thousand dot | 1,440 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch operation | ||
Viewfinder Information | ||
Viewfinder type | None | Electronic |
Viewfinder resolution | - | 9,440 thousand dot |
Viewfinder coverage | - | 100% |
Viewfinder magnification | - | 0.91x |
Features | ||
Lowest shutter speed | 4s | 30s |
Highest shutter speed | 1/2000s | 1/8000s |
Continuous shooting speed | 5.0 frames per sec | 10.0 frames per sec |
Shutter priority | ||
Aperture priority | ||
Manual exposure | ||
Exposure compensation | - | Yes |
Change white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | 7.90 m (at ISO 1600) | no built-in flash |
Flash options | Auto, redeye reduction, fill-in, off, LED | no built-in flash |
Hot shoe | ||
AE bracketing | ||
White balance bracketing | ||
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported video resolutions | 1920 x 1080 (30p), 1280 x 720 (30p), 640 x 480 (30 fps) | 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM |
Maximum video resolution | 1920x1080 | 3840x2160 |
Video format | H.264, Motion JPEG | MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265 |
Microphone jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | Built-In | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 3.2 Gen 1 (5 GBit/sec) |
GPS | BuiltIn | None |
Physical | ||
Environmental seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 247g (0.54 lb) | 699g (1.54 lb) |
Dimensions | 112 x 66 x 31mm (4.4" x 2.6" x 1.2") | 129 x 97 x 81mm (5.1" x 3.8" x 3.2") |
DXO scores | ||
DXO All around rating | not tested | 85 |
DXO Color Depth rating | not tested | 23.6 |
DXO Dynamic range rating | not tested | 13.3 |
DXO Low light rating | not tested | 2993 |
Other | ||
Battery life | 380 shots | 600 shots |
Form of battery | Battery Pack | Battery Pack |
Battery ID | LI-92B | NP-FZ100 |
Self timer | Yes (2 or 12 sec, custom) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
Time lapse feature | With downloadable app | |
Storage media | SD, SDHC, SDXC, Internal Memory | Dual SD/CFexpress Type A slots |
Storage slots | Single | 2 |
Price at launch | $379 | $3,499 |