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Sony A9 vs Sony A77 II

Portability
65
Imaging
74
Features
93
Overall
81
Sony Alpha A9 front
 
Sony SLT-A77 II front
Portability
62
Imaging
66
Features
85
Overall
73

Sony A9 vs Sony A77 II Key Specs

Sony A9
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 51200 (Boost to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 673g - 127 x 96 x 63mm
  • Revealed April 2017
  • Replacement is Sony A9 II
Sony A77 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 50 - 25600
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 647g - 143 x 104 x 81mm
  • Introduced May 2014
  • Older Model is Sony A77
Photography Glossary

Sony A9 vs Sony A77 II Overview

Here is a detailed assessment of the Sony A9 vs Sony A77 II, one being a Pro Mirrorless and the other is a Advanced DSLR and both of them are sold by Sony. The resolution of the A9 (24MP) and the A77 II (24MP) is very well matched but the A9 (Full frame) and A77 II (APS-C) possess different sensor dimensions.

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The A9 was launched 2 years later than the A77 II and that is quite a significant gap as far as tech is concerned. Both the cameras offer different body type with the Sony A9 being a SLR-style mirrorless camera and the Sony A77 II being a Mid-size SLR camera.

Before delving through a full comparison, below is a brief summation of how the A9 grades vs the A77 II in terms of portability, imaging, features and an overall rating.

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Reasons to pick Sony A9 over the Sony A77 II

 A9 A77 II 
IntroducedApril 2017May 2014Fresher by 36 months
Display resolution1440k1229kCrisper display (+211k dot)
Touch friendly display Easily navigate

Reasons to pick Sony A77 II over the Sony A9

 A77 II A9 
Display typeFully ArticulatedTiltingFully Articulating display
Selfie screen Easy selfies

Common features in the Sony A9 and Sony A77 II

 A9 A77 II 
Focus manually More exact focusing
Display sizing3"3"Equivalent display sizing

Sony A9 vs Sony A77 II Physical Comparison

In case you're going to carry your camera frequently, you are going to need to think about its weight and volume. The Sony A9 enjoys physical dimensions 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 A77 II has sizing of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 647 grams (1.43 lbs).

Take a look at the Sony A9 vs Sony A77 II in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using at that time. The following is the front view over all size comparison of the A9 versus the A77 II.

Sony A9 vs Sony A77 II size comparison

Considering size and weight, the portability score of the A9 and A77 II is 65 and 62 respectively.

Sony A9 vs Sony A77 II top view buttons comparison

Sony A9 vs Sony A77 II Sensor Comparison

Usually, its hard to visualize the contrast between sensor sizing merely by looking at a spec sheet. The graphic here may give you a clearer sense of the sensor sizes in the A9 and A77 II.

Clearly, both cameras offer the same exact MP but different sensor sizing. The A9 provides the larger sensor which should make achieving bokeh simpler. The fresher A9 provides an advantage with regard to sensor technology.

Sony A9 vs Sony A77 II sensor size comparison

Sony A9 vs Sony A77 II Screen and ViewFinder

Sony A9 vs Sony A77 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A9 Portrait photography highlights
Sony A77 II Portrait photography highlights
84
focusing manually
good megapixels (24MP)
sensor size is large (Full frame)
supports face detection focus
delivers RAW files
79
has manual focus
resolution is good (24 megapixels)
sensor size is decent (APS-C)
has face detection focusing
delivers RAW formats
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Street Comparison

Sony A9 as a Street photography camera
Sony A77 II as a Street photography camera
79
has a tilting screen
built in image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
delivers RAW files
offers touch focus
weather sealing
above average ISO range (51,200)
76
fully articulated screen
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW formats
weather proof
good ISO range (25,600)
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Sports Comparison

Sports photography with Sony A9
Sports photography with Sony A77 II
87
great max shutter speed (1/8,000 seconds)
quiet shooting (1/32,000 seconds)
fast continuous shooting (20.0 frames per second)
built in image stabilization (Sensor based 5-axis)
good megapixels (24 megapixels)
sensor size is large (Full frame)
supports tracking autofocus
weather sealing
great battery life (650 per charge)
sensor has phase detect auto focus
76
great max shutter speed (1/8,000s)
built in image stabilization (Sensor based)
resolution is good (24 megapixels)
sensor size is decent (APS-C)
has tracking autofocus
weather proof
comes with phase detect AF
terrible battery life (480 shots)
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Travel Comparison

Sony A9 Travel photography advice
Sony A77 II Travel photography advice
74
great battery life (650 CIPA)
weather sealing
connects via bluetooth
offers touch focus
good megapixels (24 megapixels)
does not offer selfie friendly display
64
weather proof
resolution is good (24MP)
built-in flash
selfie friendly display
no Time Lapse recording
terrible battery life (480 CIPA)
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Landscape Comparison

Sony A9 Landscape photography highlights
Sony A77 II Landscape photography highlights
86
focusing manually
interchangeable lenses (Sony E mount)
screen size is good (3")
built in image stabilization (Sensor based 5-axis)
good megapixels (24MP)
sensor size is large (Full frame)
above average ISO range (51,200)
delivers RAW files
weather sealing
great battery life (650 CIPA)
two card slots
73
has manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
screen size is good (3 inches)
built in image stabilization (Sensor based)
resolution is good (24 megapixels)
sensor size is decent (APS-C)
good ISO range (25,600)
delivers RAW formats
weather proof
terrible battery life (480 per charge)
no Time Lapse recording
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Vlogging Comparison

Sony A9 Vlogging advice
Sony A77 II Vlogging advice
37
built-in touchscreen
built in image stabilization (Sensor based 5-axis)
supports face detection focus
high res video (3840 x 2160 resolution)
includes external mic socket
does not offer selfie friendly display
78
selfie friendly display
built in image stabilization (Sensor based)
has face detection focusing
good video quality (1920 x 1080 pixels)
does have external mic jack
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Sony A9 vs Sony A77 II Specifications

Detailed spec comparison table for Sony A9 and Sony A77 II
 Sony Alpha A9Sony SLT-A77 II
General Information
Brand Name Sony Sony
Model type Sony Alpha A9 Sony SLT-A77 II
Category Pro Mirrorless Advanced DSLR
Revealed 2017-04-19 2014-05-21
Body design SLR-style mirrorless Mid-size SLR
Sensor Information
Chip BIONZ X Bionz X
Sensor type BSI-CMOS CMOS
Sensor size Full frame APS-C
Sensor dimensions 35.6 x 23.8mm 23.5 x 15.6mm
Sensor surface area 847.3mm² 366.6mm²
Sensor resolution 24MP 24MP
Anti alias filter
Aspect ratio 3:2 and 16:9 3:2 and 16:9
Highest Possible resolution 6000 x 4000 6000 x 4000
Maximum native ISO 51200 25600
Maximum enhanced ISO 204800 -
Lowest native ISO 100 50
RAW format
Lowest enhanced ISO 50 -
Autofocusing
Focus manually
Touch focus
AF continuous
AF single
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 693 79
Cross type focus points - 15
Lens
Lens support Sony E Sony/Minolta Alpha
Amount of lenses 121 143
Crop factor 1 1.5
Screen
Display type Tilting Fully Articulated
Display diagonal 3" 3"
Display resolution 1,440 thousand dot 1,229 thousand dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 3,686 thousand dot 2,359 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.78x 0.73x
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/8000 seconds 1/8000 seconds
Fastest quiet shutter speed 1/32000 seconds -
Continuous shutter speed 20.0 frames/s 12.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash 12.00 m (at ISO 100)
Flash modes Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync Auto, fill, rear sync, slow sync
External flash
Auto exposure bracketing
WB bracketing
Fastest flash sync - 1/250 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 1920 x 1080 (60p, 60i, 30p), 1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 3840x2160 1920x1080
Video data format MPEG-4, AVCHD, H.264 MPEG-4, AVCHD, XAVC S
Mic input
Headphone input
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 673 grams (1.48 pounds) 647 grams (1.43 pounds)
Dimensions 127 x 96 x 63mm (5.0" x 3.8" x 2.5") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO Overall rating 92 82
DXO Color Depth rating 24.9 24.4
DXO Dynamic range rating 13.3 13.4
DXO Low light rating 3517 1013
Other
Battery life 650 photos 480 photos
Style of battery Battery Pack Battery Pack
Battery ID NP-FZ100 NP-FM500H
Self timer Yes (2, 5, 10 secs + continuous) Yes (Yes (2 or 12 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
Storage slots 2 Single
Cost at release $4,498 $1,198