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Olympus TG-4 vs Sony A7 III

Portability
90
Imaging
41
Features
51
Overall
45
Olympus Tough TG-4 front
 
Sony Alpha A7 III front
Portability
63
Imaging
74
Features
92
Overall
81

Olympus TG-4 vs Sony A7 III Key Specs

Olympus TG-4
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F2.0-4.9) lens
  • 247g - 112 x 66 x 31mm
  • Announced April 2015
  • Older Model is Olympus TG-3
  • Successor is Olympus TG-5
Sony A7 III
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 51200 (Push to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 650g - 127 x 96 x 74mm
  • Revealed February 2018
  • Succeeded the Sony A7 II
  • Replacement is Sony A7 IV
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Olympus TG-4 vs Sony A7 III Overview

The following is a in depth review of the Olympus TG-4 versus Sony A7 III, one is a Waterproof and the other is a Pro Mirrorless by brands Olympus and Sony. There is a huge difference among the image resolutions of the TG-4 (16MP) and A7 III (24MP) and the TG-4 (1/2.3") and A7 III (Full frame) provide totally different sensor size.

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The TG-4 was released 3 years prior to the A7 III which is a fairly significant gap as far as camera tech is concerned. Both the cameras have different body design with the Olympus TG-4 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before diving right into a step-by-step comparison, here is a simple view of how the TG-4 scores vs the A7 III in regards to portability, imaging, features and an overall mark.

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Reasons to pick Olympus TG-4 over the Sony A7 III

 TG-4 A7 III 

Reasons to pick Sony A7 III over the Olympus TG-4

 A7 III TG-4 
RevealedFebruary 2018April 2015Newer by 35 months
Display typeTiltingFixed Tilting display
Display resolution922k460kClearer display (+462k dot)
Touch friendly display Easily navigate

Common features in the Olympus TG-4 and Sony A7 III

 TG-4 A7 III 
Manual focus Very exact focusing
Display dimensions3"3"Equal display size
Selfie screen Absent selfie screen

Olympus TG-4 vs Sony A7 III Physical Comparison

For those who are looking to travel with your camera frequently, you need to take into account its weight and size. The Olympus TG-4 has outer dimensions of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") and a weight of 247 grams (0.54 lbs) whilst the Sony A7 III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs).

Check the Olympus TG-4 versus Sony A7 III in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will change based on the lens you are using at that time. Below is a front view sizing comparison of the TG-4 vs the A7 III.

Olympus TG-4 vs Sony A7 III size comparison

Taking into consideration size and weight, the portability score of the TG-4 and A7 III is 90 and 63 respectively.

Olympus TG-4 vs Sony A7 III top view buttons comparison

Olympus TG-4 vs Sony A7 III Sensor Comparison

In many cases, its tough to see the contrast in sensor dimensions only by looking through a spec sheet. The picture here might give you a better sense of the sensor dimensions in the TG-4 and A7 III.

As you can see, both of those cameras provide different resolutions and different sensor dimensions. The TG-4 because of its smaller sensor will make shooting bokeh trickier and the Sony A7 III will result in more detail as a result of its extra 8MP. Greater resolution will make it easier to crop pics more aggressively. The more aged TG-4 will be behind with regard to sensor innovation.

Olympus TG-4 vs Sony A7 III sensor size comparison

Olympus TG-4 vs Sony A7 III Screen and ViewFinder

Olympus TG-4 vs Sony A7 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-4 Portrait photography highlights
Sony A7 III Portrait photography highlights
47
manual focus
decent sensor resolution (16MP)
comes with face detection focusing
delivers RAW formats
manual exposure not possible
can't use external flash
sensor is very small (1/2.3")
84
manual focus
good MP (24MP)
big sensor size (Full frame)
features face detect autofocus
supports RAW formats
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Street Comparison

Olympus TG-4 as a Street photography camera
Sony A7 III as a Street photography camera
65
built in image stabilization (Sensor-shift)
delivers RAW formats
weather proofing
no articulating screen
sensor is very small (1/2.3")
more heavy than competition (247 grams)
78
has a tilting screen
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
supports RAW formats
boasts touch focus
weather proof
very good high ISO (51,200)
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Sports Comparison

Olympus TG-4 Sports photography features
Sony A7 III Sports photography features
48
built in image stabilization (Sensor-shift)
decent sensor resolution (16 megapixels)
comes with tracking autofocus
weather proofing
great battery life (380 CIPA)
very slow continuous shooting (5.0 frames per second)
lack of shutter priority mode
sensor is very small (1/2.3")
has no phase detect AF
87
great max shutter speed (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
good MP (24 megapixels)
big sensor size (Full frame)
features tracking focus
weather proof
good battery pack (610 shots)
sensor has phase detect autofocus
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Travel Comparison

Travel photography with Olympus TG-4
Travel photography with Sony A7 III
74
great battery life (380 shots)
weather proofing
decent sensor resolution (16MP)
has built in flash
pretty wide (25mm)
great max aperture (f2.0)
more heavy than competition (247g)
does not offer selfie friendly screen
73
good battery pack (610 shots)
weather proof
has bluetooth
boasts touch focus
good MP (24 megapixels)
display is not selfie friendly
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Landscape Comparison

Olympus TG-4 Landscape photography features
Sony A7 III Landscape photography features
62
manual focus
pretty wide (25mm)
great max aperture (f2.0)
pretty good screen size (3")
built in image stabilization (Sensor-shift)
decent sensor resolution (16MP)
delivers RAW formats
weather proofing
great battery life (380 shots)
fixed lens (fixed lens mount)
manual exposure not possible
sensor is very small (1/2.3")
85
manual focus
switch lenses (Sony E mount)
pretty good screen size (3 inches)
has image stabilization (Sensor based 5-axis)
good MP (24MP)
big sensor size (Full frame)
very good high ISO (51,200)
supports RAW formats
weather proof
good battery pack (610 per charge)
has double storage slots
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Vlogging Comparison

Olympus TG-4 Vlogging advice
Sony A7 III Vlogging advice
34
pretty wide (25mm)
great max aperture (f2.0)
built in image stabilization (Sensor-shift)
comes with face detection focusing
video res high (1920 x 1080 pixels)
does not offer selfie friendly screen
missing external microphone support
more heavy than competition (247 grams)
36
touchscreen enabled
has image stabilization (Sensor based 5-axis)
features face detect autofocus
high quality video (3840 x 2160 pixels)
includes mic port
display is not selfie friendly
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Olympus TG-4 vs Sony A7 III Specifications

Detailed spec comparison table for Olympus TG-4 and Sony A7 III
 Olympus Tough TG-4Sony Alpha A7 III
General Information
Make Olympus Sony
Model type Olympus Tough TG-4 Sony Alpha A7 III
Type Waterproof Pro Mirrorless
Announced 2015-04-13 2018-02-27
Body design Compact SLR-style mirrorless
Sensor Information
Processor TruePic VII Bionz X
Sensor type BSI-CMOS BSI-CMOS
Sensor size 1/2.3" Full frame
Sensor dimensions 6.17 x 4.55mm 35.8 x 23.8mm
Sensor surface area 28.1mm² 852.0mm²
Sensor resolution 16MP 24MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Peak resolution 4608 x 3456 6000 x 4000
Highest native ISO 6400 51200
Highest enhanced ISO - 204800
Minimum native ISO 100 100
RAW images
Minimum enhanced ISO - 50
Autofocusing
Focus manually
Touch focus
AF continuous
Single AF
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 25 693
Lens
Lens support fixed lens Sony E
Lens zoom range 25-100mm (4.0x) -
Largest aperture f/2.0-4.9 -
Macro focusing distance 1cm -
Available lenses - 121
Crop factor 5.8 1
Screen
Display type Fixed Type Tilting
Display sizing 3" 3"
Display resolution 460k dot 922k dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 2,359k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.78x
Features
Min shutter speed 4 secs 30 secs
Max shutter speed 1/2000 secs 1/8000 secs
Continuous shutter speed 5.0fps 10.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Change WB
Image stabilization
Integrated 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
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (30p), 1280 x 720 (30p), 640 x 480 (30 fps) 3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution 1920x1080 3840x2160
Video file format H.264, Motion JPEG MPEG-4, AVCHD, XAVC S, H.264
Mic jack
Headphone jack
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.1 Gen 1 (5 GBit/sec)
GPS BuiltIn None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 247g (0.54 pounds) 650g (1.43 pounds)
Physical dimensions 112 x 66 x 31mm (4.4" x 2.6" x 1.2") 127 x 96 x 74mm (5.0" x 3.8" x 2.9")
DXO scores
DXO Overall rating not tested 96
DXO Color Depth rating not tested 25.0
DXO Dynamic range rating not tested 14.7
DXO Low light rating not tested 3730
Other
Battery life 380 shots 610 shots
Style 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
Type of storage SD, SDHC, SDXC, Internal Memory SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots 1 Two
Cost at release $379 $1,998