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Olympus TG-3 vs Sony A7R III

Portability
90
Imaging
40
Features
46
Overall
42
Olympus Tough TG-3 front
 
Sony Alpha A7R III front
Portability
63
Imaging
78
Features
93
Overall
84

Olympus TG-3 vs Sony A7R III Key Specs

Olympus TG-3
(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
  • Released March 2014
  • New Model is Olympus TG-4
Sony A7R III
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Push to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 657g - 127 x 96 x 74mm
  • Released October 2017
  • Succeeded the Sony A7R II
  • Replacement is Sony A7R IV
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Olympus TG-3 vs Sony A7R III Overview

Let's take a more detailed look at the Olympus TG-3 vs Sony A7R III, one is a Waterproof and the other is a Pro Mirrorless by brands Olympus and Sony. There exists a sizeable gap between the resolutions of the TG-3 (16MP) and A7R III (42MP) and the TG-3 (1/2.3") and A7R III (Full frame) feature totally different sensor measurements.

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The TG-3 was launched 4 years earlier than the A7R III which is quite a large gap as far as technology is concerned. Each of these cameras offer different body type with the Olympus TG-3 being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before delving through a complete comparison, below is a brief summary of how the TG-3 matches up versus the A7R III with respect to portability, imaging, features and an overall score.

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Reasons to pick Olympus TG-3 over the Sony A7R III

 TG-3 A7R III 

Reasons to pick Sony A7R III over the Olympus TG-3

 A7R III TG-3 
ReleasedOctober 2017March 2014More modern by 43 months
Focus manually Very precise focusing
Display typeTiltingFixed Tilting display
Display resolution1440k460kCrisper display (+980k dot)
Touch display Easily navigate

Common features in the Olympus TG-3 and Sony A7R III

 TG-3 A7R III 
Display sizing3"3"Equivalent display measurements
Selfie screen Neither contains selfie screen

Olympus TG-3 vs Sony A7R III Physical Comparison

If you're looking to carry around your camera regularly, you'll need to take into account its weight and volume. The Olympus TG-3 has got outer dimensions of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") accompanied by a weight of 247 grams (0.54 lbs) whilst the Sony A7R III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 657 grams (1.45 lbs).

Check the Olympus TG-3 vs Sony A7R III in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have during that time. Following is the front view overall size comparison of the TG-3 and the A7R III.

Olympus TG-3 vs Sony A7R III size comparison

Factoring in dimensions and weight, the portability rating of the TG-3 and A7R III is 90 and 63 respectively.

Olympus TG-3 vs Sony A7R III top view buttons comparison

Olympus TG-3 vs Sony A7R III Sensor Comparison

Sometimes, it is very difficult to see the difference between sensor sizes only by reviewing technical specs. The pic underneath may provide you a better sense of the sensor sizes in the TG-3 and A7R III.

As you have seen, both cameras enjoy different megapixels and different sensor sizes. The TG-3 featuring a tinier sensor will make shooting bokeh harder and the Sony A7R III will offer you greater detail utilizing its extra 26MP. Greater resolution will also let you crop images far more aggressively. The more aged TG-3 is going to be behind in sensor technology.

Olympus TG-3 vs Sony A7R III sensor size comparison

Olympus TG-3 vs Sony A7R III Screen and ViewFinder

Olympus TG-3 vs Sony A7R III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-3 Portrait photography features
Sony A7R III Portrait photography features
37
decent sensor resolution (16MP)
includes face detection focus
lack of manual focus
no external flash support
small sensor size (1/2.3")
does not have RAW support
86
focusing manually
sensor resolution is excellent (42 megapixels)
large sensor size (Full frame)
provides face detection focus
supports RAW formats
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Street Comparison

Olympus TG-3 Street photography factors
Sony A7R III Street photography factors
59
built in image stabilization (Sensor-shift)
environment proof
no moving screen
small sensor size (1/2.3")
does not have RAW support
heavier than others in class (247g)
79
tilting screen
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
supports RAW formats
provides focus by touch
environment sealing
great ISO range (32,000)
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Sports Comparison

Olympus TG-3 Sports photography info
Sony A7R III Sports photography info
47
built in image stabilization (Sensor-shift)
decent sensor resolution (16 megapixels)
includes tracking autofocus
environment proof
good battery life (330 shots)
low fps (5.0 frames/s)
lack of shutter priority mode
small sensor size (1/2.3")
does not have phase detect auto focus
89
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
sensor resolution is excellent (42MP)
large sensor size (Full frame)
provides tracking autofocus
environment sealing
great battery pack (650 CIPA)
comes with phase detect auto focus
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Travel Comparison

Olympus TG-3 as a Travel photography camera
Sony A7R III as a Travel photography camera
74
good battery life (330 CIPA)
environment proof
decent sensor resolution (16MP)
built-in flash
pretty wide (25mm)
good maximum aperture (f2.0)
heavier than others in class (247 grams)
screen is not selfie friendly
74
great battery pack (650 shots)
environment sealing
supports bluetooth
provides focus by touch
sensor resolution is excellent (42MP)
screen is not selfie friendly
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Landscape Comparison

Olympus TG-3 Landscape photography info
Sony A7R III Landscape photography info
56
pretty wide (25mm)
good maximum aperture (f2.0)
nice screen size (3 inch)
built in image stabilization (Sensor-shift)
decent sensor resolution (16 megapixels)
environment proof
good battery life (330 shots)
lack of manual focus
fixed lens (fixed lens mount)
small sensor size (1/2.3")
does not have RAW support
87
focusing manually
swap lenses (Sony E mount)
decent sized screen (3 inch)
has image stabilization (Sensor based 5-axis)
sensor resolution is excellent (42MP)
large sensor size (Full frame)
doesnt have anti aliasing filter
great ISO range (32,000)
supports RAW formats
environment sealing
great battery pack (650 shots)
2 card slots
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Vlogging Comparison

Olympus TG-3 Vlogging details
Sony A7R III Vlogging details
34
pretty wide (25mm)
good maximum aperture (f2.0)
built in image stabilization (Sensor-shift)
includes face detection focus
video resolution high (1920 x 1080 pxls)
screen is not selfie friendly
doesn't have external mic jack
heavier than others in class (247 grams)
37
touchscreen capability
has image stabilization (Sensor based 5-axis)
provides face detection focus
video resolution high (3840 x 2160 pixels)
does have external mic support
screen is not selfie friendly
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Olympus TG-3 vs Sony A7R III Specifications

Detailed spec comparison table for Olympus TG-3 and Sony A7R III
 Olympus Tough TG-3Sony Alpha A7R III
General Information
Brand Olympus Sony
Model type Olympus Tough TG-3 Sony Alpha A7R III
Category Waterproof Pro Mirrorless
Released 2014-03-31 2017-10-25
Physical type Compact SLR-style mirrorless
Sensor Information
Powered by TruePic VII Bionz X
Sensor type BSI-CMOS BSI-CMOS
Sensor size 1/2.3" Full frame
Sensor dimensions 6.17 x 4.55mm 35.9 x 24mm
Sensor area 28.1mm² 861.6mm²
Sensor resolution 16 megapixel 42 megapixel
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Highest Possible resolution 4608 x 3456 7952 x 5304
Maximum native ISO 6400 32000
Maximum enhanced ISO - 102400
Min native ISO 100 100
RAW support
Min enhanced ISO - 50
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points - 425
Lens
Lens mount type fixed lens Sony E
Lens zoom range 25-100mm (4.0x) -
Max aperture f/2.0-4.9 -
Macro focusing range 1cm -
Number of lenses - 121
Focal length multiplier 5.8 1
Screen
Screen type Fixed Type Tilting
Screen sizing 3 inch 3 inch
Screen resolution 460 thousand dots 1,440 thousand dots
Selfie friendly
Liveview
Touch capability
Screen technology TFT-LCD -
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 3,686 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.78x
Features
Min shutter speed 4s 30s
Max shutter speed 1/2000s 1/8000s
Continuous shutter rate 5.0 frames per second 10.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Flash distance - no built-in flash
Flash options Auto, redeye reduction, fill-in, off, LED Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync
External flash
AE bracketing
White balance 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, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 1920x1080 3840x2160
Video data format H.264, Motion JPEG MPEG-4, AVCHD, XAVC S
Mic support
Headphone support
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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 247 grams (0.54 pounds) 657 grams (1.45 pounds)
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 100
DXO Color Depth rating not tested 26.0
DXO Dynamic range rating not tested 14.7
DXO Low light rating not tested 3523
Other
Battery life 330 photographs 650 photographs
Battery style 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 shooting
Type of storage SD, SDHC, SDXC, Internal Memory Two SD/SDHC/SDXC slots (UHS-II support on one)
Card slots Single 2
Launch cost $350 $2,800