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Sony A7R III vs Sony A57

Portability
63
Imaging
78
Features
93
Overall
84
Sony Alpha A7R III front
 
Sony SLT-A57 front
Portability
64
Imaging
57
Features
85
Overall
68

Sony A7R III vs Sony A57 Key Specs

Sony A7R III
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Raise to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 657g - 127 x 96 x 74mm
  • Revealed October 2017
  • Replaced the Sony A7R II
  • Later Model is Sony A7R IV
Sony A57
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 16000 (Bump to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 618g - 132 x 98 x 81mm
  • Announced September 2012
  • Replaced the Sony A55
  • Refreshed by Sony A58
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Sony A7R III vs Sony A57 Overview

Following is a detailed analysis of the Sony A7R III and Sony A57, one is a Pro Mirrorless and the latter is a Entry-Level DSLR and both of them are sold by Sony. There exists a big gap among the image resolutions of the A7R III (42MP) and A57 (16MP) and the A7R III (Full frame) and A57 (APS-C) boast different sensor size.

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The A7R III was revealed 5 years after the A57 which is a fairly big gap as far as camera technology is concerned. Both of the cameras have different body design with the Sony A7R III being a SLR-style mirrorless camera and the Sony A57 being a Compact SLR camera.

Before diving into a more detailed comparison, here is a brief introduction of how the A7R III grades vs the A57 for portability, imaging, features and an overall score.

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Reasons to pick Sony A7R III over the Sony A57

 A7R III A57 
AnnouncedOctober 2017September 2012More modern by 63 months
Screen resolution1440k921kClearer screen (+519k dot)
Touch friendly screen Quickly navigate

Reasons to pick Sony A57 over the Sony A7R III

 A57 A7R III 
Screen typeFully ArticulatedTiltingFully Articulating screen
Selfie screen Take selfies

Common features in the Sony A7R III and Sony A57

 A7R III A57 
Manually focus Dial precise focus
Screen dimensions3"3"Equal screen size

Sony A7R III vs Sony A57 Physical Comparison

When you are intending to carry around your camera, you should think about its weight and measurements. The Sony A7R III offers exterior measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 657 grams (1.45 lbs) whilst the Sony A57 has proportions of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") accompanied by a weight of 618 grams (1.36 lbs).

Check out the Sony A7R III and Sony A57 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you have attached at the time. Underneath is a front view measurements comparison of the A7R III and the A57.

Sony A7R III vs Sony A57 size comparison

Considering dimensions and weight, the portability score of the A7R III and A57 is 63 and 64 respectively.

Sony A7R III vs Sony A57 top view buttons comparison

Sony A7R III vs Sony A57 Sensor Comparison

Normally, it is tough to visualize the gap in sensor sizes merely by checking out a spec sheet. The image here should give you a far better sense of the sensor measurements in the A7R III and A57.

As you can see, both cameras have different megapixels and different sensor sizes. The A7R III using its bigger sensor is going to make shooting shallower DOF easier and the Sony A7R III will produce extra detail because of its extra 26MP. Higher resolution will make it easier to crop photographs a bit more aggressively. The fresher A7R III provides an edge in sensor innovation.

Sony A7R III vs Sony A57 sensor size comparison

Sony A7R III vs Sony A57 Screen and ViewFinder

Sony A7R III vs Sony A57 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7R III as a Portrait photography camera
Sony A57 as a Portrait photography camera
86
focusing manually
fantastic megapixels (42 megapixels)
sensor size is large (Full frame)
supports face detection focusing
delivers RAW files
74
has manual focus
good MP (16 megapixels)
sensor size is decent (APS-C)
comes with face detection focus
saves RAW files
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Street Comparison

Sony A7R III Street photography highlights
Sony A57 Street photography highlights
79
tilting screen
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
delivers RAW files
has focus by touch
weather proof
good ISO range (32,000)
75
fully articulated screen
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW files
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Sports Comparison

Sony A7R III Sports photography highlights
Sony A57 Sports photography highlights
89
max shutter speed is good (1/8,000s)
has image stabilization (Sensor based 5-axis)
fantastic megapixels (42MP)
sensor size is large (Full frame)
supports tracking autofocus
weather proof
great battery life (650 shots)
has phase detect AF
78
built in image stabilization (Sensor based)
good MP (16MP)
sensor size is decent (APS-C)
comes with tracking autofocus
comes with phase detect auto focus
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Travel Comparison

Sony A7R III Travel photography factors
Sony A57 Travel photography factors
74
great battery life (650 shots)
weather proof
supports bluetooth
has focus by touch
fantastic megapixels (42 megapixels)
screen isn't selfie friendly
67
good MP (16MP)
built-in flash
screen is selfie friendly
lack of Time Lapse recording
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Landscape Comparison

Sony A7R III Landscape photography details
Sony A57 Landscape photography details
87
focusing manually
swap lenses (Sony E mount)
screen is a decent size (3")
has image stabilization (Sensor based 5-axis)
fantastic megapixels (42 megapixels)
sensor size is large (Full frame)
no low pass filter
good ISO range (32,000)
delivers RAW files
weather proof
great battery life (650 shots)
has dual storage slots
72
has manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
screen is a good size (3")
built in image stabilization (Sensor based)
good MP (16 megapixels)
sensor size is decent (APS-C)
saves RAW files
lack of Time Lapse recording
Photography Glossary

Vlogging Comparison

Sony A7R III Vlogging features
Sony A57 Vlogging features
37
has touchscreen
has image stabilization (Sensor based 5-axis)
supports face detection focusing
high res video (3840 x 2160 pxls)
has external mic jack
screen isn't selfie friendly
77
screen is selfie friendly
built in image stabilization (Sensor based)
comes with face detection focus
video res high (1920 x 1080 pxls)
does have external mic port
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Sony A7R III vs Sony A57 Specifications

Detailed spec comparison table for Sony A7R III and Sony A57
 Sony Alpha A7R IIISony SLT-A57
General Information
Make Sony Sony
Model Sony Alpha A7R III Sony SLT-A57
Class Pro Mirrorless Entry-Level DSLR
Revealed 2017-10-25 2012-09-13
Body design SLR-style mirrorless Compact SLR
Sensor Information
Chip Bionz X -
Sensor type BSI-CMOS CMOS
Sensor size Full frame APS-C
Sensor dimensions 35.9 x 24mm 23.5 x 15.6mm
Sensor surface area 861.6mm² 366.6mm²
Sensor resolution 42 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio 3:2 and 16:9 3:2 and 16:9
Full resolution 7952 x 5304 4912 x 3264
Max native ISO 32000 16000
Max boosted ISO 102400 25600
Lowest native ISO 100 100
RAW format
Lowest boosted ISO 50 -
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 425 15
Cross focus points - 3
Lens
Lens mounting type Sony E Sony/Minolta Alpha
Amount of lenses 121 143
Focal length multiplier 1 1.5
Screen
Display type Tilting Fully Articulated
Display sizing 3 inch 3 inch
Display resolution 1,440k dot 921k dot
Selfie friendly
Liveview
Touch friendly
Display technology - Xtra Fine TFT drive with TruBlack technology
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 3,686k dot 1,440k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.78x 0.7x
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/8000 seconds 1/4000 seconds
Continuous shooting speed 10.0 frames/s 12.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash range no built-in flash 10.00 m (@ ISO 100)
Flash options Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
AEB
White balance bracketing
Maximum flash sync - 1/160 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) 1920 x 1080 (60p, 24p), 1440 x 1080 (30p), 640 x 480 (30 fps)
Max video resolution 3840x2160 1920x1080
Video format MPEG-4, AVCHD, XAVC S MPEG-4, AVCHD, H.264
Mic jack
Headphone jack
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1(5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 657 gr (1.45 pounds) 618 gr (1.36 pounds)
Physical dimensions 127 x 96 x 74mm (5.0" x 3.8" x 2.9") 132 x 98 x 81mm (5.2" x 3.9" x 3.2")
DXO scores
DXO All around score 100 75
DXO Color Depth score 26.0 23.4
DXO Dynamic range score 14.7 13.0
DXO Low light score 3523 785
Other
Battery life 650 images 550 images
Battery form Battery Pack Battery Pack
Battery model NP-FZ100 NP-FM500H
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec)
Time lapse feature
Storage media Two SD/SDHC/SDXC slots (UHS-II support on one) SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Two One
Pricing at launch $2,800 $1,000