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Sony A9 vs Sony A57

Portability
65
Imaging
73
Features
93
Overall
81
Sony Alpha A9 front
 
Sony SLT-A57 front
Portability
64
Imaging
57
Features
85
Overall
68

Sony A9 vs Sony A57 Key Specs

Sony A9
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 51200 (Raise to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 673g - 127 x 96 x 63mm
  • Announced April 2017
  • Replacement is Sony A9 II
Sony A57
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 16000 (Raise to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 618g - 132 x 98 x 81mm
  • Launched September 2012
  • Succeeded the Sony A55
  • Newer Model is Sony A58
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Sony A9 vs Sony A57 Overview

In this article, we are contrasting the Sony A9 vs Sony A57, one is a Pro Mirrorless and the other is a Entry-Level DSLR and both of them are offered by Sony. There is a significant difference among the sensor resolutions of the A9 (24MP) and A57 (16MP) and the A9 (Full frame) and A57 (APS-C) possess totally different sensor sizing.

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The A9 was launched 4 years after the A57 which is a fairly sizable gap as far as camera tech is concerned. Both of the cameras offer different body type with the Sony A9 being a SLR-style mirrorless camera and the Sony A57 being a Compact SLR camera.

Before getting through a thorough comparison, below is a concise synopsis of how the A9 scores against the A57 when considering portability, imaging, features and an overall mark.

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Reasons to pick Sony A9 over the Sony A57

 A9 A57 
LaunchedApril 2017September 2012Newer by 56 months
Display resolution1440k921kSharper display (+519k dot)
Touch display Easily navigate

Reasons to pick Sony A57 over the Sony A9

 A57 A9 
Display typeFully ArticulatedTiltingFully Articulating display
Selfie screen Easy selfies

Common features in the Sony A9 and Sony A57

 A9 A57 
Manual focus Dial accurate focusing
Display sizing3"3"Equivalent display measurement

Sony A9 vs Sony A57 Physical Comparison

For those who are planning to travel with your camera frequently, you'll need to take into account its weight and proportions. The Sony A9 comes with exterior measurements of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") with a weight of 673 grams (1.48 lbs) whilst the Sony A57 has measurements of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") accompanied by a weight of 618 grams (1.36 lbs).

See the Sony A9 vs Sony A57 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have at the time. Following is the front view physical size comparison of the A9 versus the A57.

Sony A9 vs Sony A57 size comparison

Looking at size and weight, the portability grade of the A9 and A57 is 65 and 64 respectively.

Sony A9 vs Sony A57 top view buttons comparison

Sony A9 vs Sony A57 Sensor Comparison

Oftentimes, its tough to envision the contrast in sensor dimensions merely by seeing technical specs. The image here will help offer you a greater sense of the sensor measurements in the A9 and A57.

As you have seen, each of these cameras enjoy different megapixel count and different sensor dimensions. The A9 because of its larger sensor will make getting shallow depth of field simpler and the Sony A9 will show more detail utilizing its extra 8 Megapixels. Greater resolution can also enable you to crop photos far more aggressively. The newer A9 will have an edge when it comes to sensor innovation.

Sony A9 vs Sony A57 sensor size comparison

Sony A9 vs Sony A57 Screen and ViewFinder

Sony A9 vs Sony A57 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A9 Portrait photography features
Sony A57 Portrait photography features
83
you can focus manually
sensor resolution is decent (24MP)
sensor size is big (Full frame)
comes with face detect focusing
delivers RAW formats
74
manual focus
resolution is good (16MP)
decent sensor size (APS-C)
supports face detection focus
saves RAW files
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Street Comparison

Sony A9 Street photography features
Sony A57 Street photography features
79
tilting screen
image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
delivers RAW formats
has focus by touch
environment proof
good ISO range (51,200)
75
screen can move to multiple angles
built in image stabilization (Sensor based)
decent sensor size (APS-C)
saves RAW files
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Sports Comparison

Sony A9 as a Sports photography camera
Sony A57 as a Sports photography camera
86
high shutter speed (1/8,000 seconds)
silent mode (1/32,000 seconds)
high max fps (20.0 fps)
image stabilization (Sensor based 5-axis)
sensor resolution is decent (24 megapixels)
sensor size is big (Full frame)
comes with tracking focus
environment proof
great battery life (650 CIPA)
has phase detect AF
78
built in image stabilization (Sensor based)
resolution is good (16 megapixels)
decent sensor size (APS-C)
supports tracking autofocus
supports phase detect auto focus
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Travel Comparison

Travel photography with Sony A9
Travel photography with Sony A57
73
great battery life (650 CIPA)
environment proof
connects via bluetooth
has focus by touch
sensor resolution is decent (24 megapixels)
does not contain selfie friendly screen
67
resolution is good (16 megapixels)
has built in flash
screen is selfie friendly
doesn't have Timelapse mode
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Landscape Comparison

Sony A9 Landscape photography details
Sony A57 Landscape photography details
85
you can focus manually
swap lenses (Sony E mount)
nice screen size (3")
image stabilization (Sensor based 5-axis)
sensor resolution is decent (24 megapixels)
sensor size is big (Full frame)
good ISO range (51,200)
delivers RAW formats
environment proof
great battery life (650 per charge)
has dual storage slots
72
manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
good sized screen (3 inches)
built in image stabilization (Sensor based)
resolution is good (16MP)
decent sensor size (APS-C)
saves RAW files
doesn't have Timelapse mode
Photography Glossary

Vlogging Comparison

Sony A9 Vlogging highlights
Sony A57 Vlogging highlights
36
touch screen
image stabilization (Sensor based 5-axis)
comes with face detect focusing
video resolution high (3840 x 2160 resolution)
has microphone jack
does not contain selfie friendly screen
77
screen is selfie friendly
built in image stabilization (Sensor based)
supports face detection focus
video res high (1920 x 1080 pxls)
comes with external microphone socket
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Sony A9 vs Sony A57 Specifications

Detailed spec comparison table for Sony A9 and Sony A57
 Sony Alpha A9Sony SLT-A57
General Information
Company Sony Sony
Model Sony Alpha A9 Sony SLT-A57
Category Pro Mirrorless Entry-Level DSLR
Announced 2017-04-19 2012-09-13
Physical type SLR-style mirrorless Compact SLR
Sensor Information
Powered by BIONZ X -
Sensor type BSI-CMOS CMOS
Sensor size Full frame APS-C
Sensor measurements 35.6 x 23.8mm 23.5 x 15.6mm
Sensor area 847.3mm² 366.6mm²
Sensor resolution 24 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio 3:2 and 16:9 3:2 and 16:9
Maximum resolution 6000 x 4000 4912 x 3264
Maximum native ISO 51200 16000
Maximum boosted ISO 204800 25600
Lowest native ISO 100 100
RAW images
Lowest boosted ISO 50 -
Autofocusing
Manual focus
Touch focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 693 15
Cross focus points - 3
Lens
Lens mount Sony E Sony/Minolta Alpha
Number of lenses 121 143
Crop factor 1 1.5
Screen
Display type Tilting Fully Articulated
Display size 3 inches 3 inches
Display resolution 1,440k dots 921k dots
Selfie friendly
Liveview
Touch function
Display tech - Xtra Fine TFT drive with TruBlack technology
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 3,686k dots 1,440k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.78x 0.7x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/8000s 1/4000s
Maximum quiet shutter speed 1/32000s -
Continuous shooting rate 20.0 frames/s 12.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash range no built-in flash 10.00 m (@ ISO 100)
Flash options Flash off, Autoflash, 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
Hot shoe
Auto exposure bracketing
WB bracketing
Maximum flash synchronize - 1/160s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions - 1920 x 1080 (60p, 24p), 1440 x 1080 (30p), 640 x 480 (30 fps)
Maximum video resolution 3840x2160 1920x1080
Video file format MPEG-4, AVCHD, H.264 MPEG-4, AVCHD, H.264
Microphone port
Headphone port
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 673 gr (1.48 pounds) 618 gr (1.36 pounds)
Dimensions 127 x 96 x 63mm (5.0" x 3.8" x 2.5") 132 x 98 x 81mm (5.2" x 3.9" x 3.2")
DXO scores
DXO All around score 92 75
DXO Color Depth score 24.9 23.4
DXO Dynamic range score 13.3 13.0
DXO Low light score 3517 785
Other
Battery life 650 photos 550 photos
Type of battery Battery Pack Battery Pack
Battery model NP-FZ100 NP-FM500H
Self timer Yes (2, 5, 10 secs + continuous) Yes (2 or 10 sec)
Time lapse shooting
Type of storage Dual SD/SDHC/SDXC slots (UHS-II compatible) SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots Dual 1
Cost at launch $4,498 $1,000