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Sony A9 II vs Sony A77

Portability
62
Imaging
75
Features
93
Overall
82
Sony Alpha A9 Mark II front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Sony A9 II vs Sony A77 Key Specs

Sony A9 II
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 51200 (Boost to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 678g - 129 x 96 x 76mm
  • Introduced October 2019
  • Older Model is Sony A9
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 50 - 16000 (Boost to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Introduced October 2011
  • Older Model is Sony A700
  • Replacement is Sony A77 II
Photography Glossary

Sony A9 II vs Sony A77 Overview

Here is a extended comparison of the Sony A9 II and Sony A77, former being a Pro Mirrorless while the latter is a Advanced DSLR and both of them are built by Sony. The sensor resolution of the A9 II (24MP) and the A77 (24MP) is pretty well matched but the A9 II (Full frame) and A77 (APS-C) use totally different sensor size.

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The A9 II was announced 8 years later than the A77 and that is quite a large difference as far as tech is concerned. Each of these cameras come with different body type with the Sony A9 II being a SLR-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.

Before we go through a thorough comparison, below is a quick overview of how the A9 II matches up versus the A77 with respect to portability, imaging, features and an overall rating.

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Reasons to pick Sony A9 II over the Sony A77

 A9 II A77 
IntroducedOctober 2019October 2011Fresher by 97 months
Screen resolution1440k921kCrisper screen (+519k dot)
Touch screen Quickly navigate

Reasons to pick Sony A77 over the Sony A9 II

 A77 A9 II 
Screen typeFully ArticulatedTiltingFully Articulating screen
Selfie screen Easy selfies

Common features in the Sony A9 II and Sony A77

 A9 II A77 
Focus manually Very precise focus
Screen dimension3"3"Identical screen size

Sony A9 II vs Sony A77 Physical Comparison

For anyone who is looking to carry your camera often, you'll need to think about its weight and size. The Sony A9 II enjoys physical measurements of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") along with a weight of 678 grams (1.49 lbs) and the Sony A77 has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 732 grams (1.61 lbs).

Check out the Sony A9 II and Sony A77 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will differ dependant on the lens you are utilising at that time. Following is the front view size comparison of the A9 II vs the A77.

Sony A9 II vs Sony A77 size comparison

Factoring in size and weight, the portability grade of the A9 II and A77 is 62 and 59 respectively.

Sony A9 II vs Sony A77 top view buttons comparison

Sony A9 II vs Sony A77 Sensor Comparison

In many cases, it's difficult to visualise the difference between sensor sizing merely by reading through specifications. The photograph below may offer you a much better sense of the sensor measurements in the A9 II and A77.

Plainly, both the cameras posses the exact same resolution albeit not the same sensor sizing. The A9 II has got the bigger sensor which should make obtaining shallow DOF simpler. The more recent A9 II will have an edge in sensor tech.

Sony A9 II vs Sony A77 sensor size comparison

Sony A9 II vs Sony A77 Screen and ViewFinder

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

Portrait Comparison

Sony A9 II Portrait photography info
Sony A77 Portrait photography info
85
focusing manually
megapixel count decent (24 megapixels)
sensor size is large (Full frame)
offers face detection focusing
exports RAW files
77
manual focus
resolution is good (24MP)
sensor size is decent (APS-C)
supports face detection focus
saves RAW formats
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Street Comparison

Sony A9 II Street photography features
Sony A77 Street photography features
78
tilting screen
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
exports RAW files
includes focus by touch
environment proof
great ISO range (51,200)
74
screen can move to multiple angles
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW formats
weather sealing
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Sports Comparison

Sony A9 II as a Sports photography camera
Sony A77 as a Sports photography camera
87
high shutter speed (1/8,000s)
silent mode (1/32,000s)
high max fps (20.0 fps)
image stabilization (Sensor based 5-axis)
megapixel count decent (24MP)
sensor size is large (Full frame)
offers tracking autofocus
environment proof
better than average battery power (690 CIPA)
has phase detect AF
74
maximum shutter speed is high (1/8,000s)
built in image stabilization (Sensor based)
resolution is good (24MP)
sensor size is decent (APS-C)
weather sealing
sensor has phase detect auto focus
bad battery (470 per charge)
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Travel Comparison

Travel photography with Sony A9 II
Travel photography with Sony A77
73
better than average battery power (690 per charge)
environment proof
has bluetooth
includes focus by touch
megapixel count decent (24MP)
screen isn't selfie friendly
62
weather sealing
resolution is good (24MP)
built-in flash
selfie friendly display
doesn't have Time Lapse recording
bad battery (470 per charge)
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Landscape Comparison

Landscape photography with Sony A9 II
Landscape photography with Sony A77
86
focusing manually
swap lenses (Sony E mount)
nice screen size (3 inches)
image stabilization (Sensor based 5-axis)
megapixel count decent (24MP)
sensor size is large (Full frame)
great ISO range (51,200)
exports RAW files
environment proof
better than average battery power (690 shots)
2 card slots
71
manual focus
switch lenses (Sony/Minolta Alpha mount)
good sized screen (3 inch)
built in image stabilization (Sensor based)
resolution is good (24MP)
sensor size is decent (APS-C)
saves RAW formats
weather sealing
bad battery (470 per charge)
doesn't have Time Lapse recording
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Vlogging Comparison

Sony A9 II Vlogging advice
Sony A77 Vlogging advice
36
touch screen
image stabilization (Sensor based 5-axis)
offers face detection focusing
video res high (3840 x 2160 pxls)
has external microphone support
screen isn't selfie friendly
76
selfie friendly display
built in image stabilization (Sensor based)
supports face detection focus
video resolution high (1920 x 1080 pxls)
includes external mic support
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Sony A9 II vs Sony A77 Specifications

Detailed spec comparison table for Sony A9 II and Sony A77
 Sony Alpha A9 Mark IISony SLT-A77
General Information
Brand Name Sony Sony
Model type Sony Alpha A9 Mark II Sony SLT-A77
Category Pro Mirrorless Advanced DSLR
Introduced 2019-10-03 2011-10-25
Physical type SLR-style mirrorless Mid-size SLR
Sensor Information
Chip BIONZ X Bionz
Sensor type BSI-CMOS CMOS
Sensor size Full frame APS-C
Sensor dimensions 35.6 x 23.8mm 23.5 x 15.6mm
Sensor area 847.3mm² 366.6mm²
Sensor resolution 24 megapixel 24 megapixel
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Full resolution 6000 x 4000 6000 x 4000
Max native ISO 51200 16000
Max boosted ISO 204800 25600
Min native ISO 100 50
RAW data
Min boosted ISO 50 -
Autofocusing
Manual focusing
AF touch
Continuous AF
AF single
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 693 19
Cross type focus points - 11
Lens
Lens support Sony E Sony/Minolta Alpha
Amount of lenses 121 143
Crop factor 1 1.5
Screen
Type of display Tilting Fully Articulated
Display size 3 inch 3 inch
Resolution of display 1,440 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 3,686 thousand dots 2,359 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.78x 0.73x
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/8000 seconds 1/8000 seconds
Maximum quiet shutter speed 1/32000 seconds -
Continuous shooting rate 20.0 frames per sec 12.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash 12.00 m
Flash settings 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
AEB
White balance bracketing
Maximum flash synchronize - 1/250 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Max video resolution 3840x2160 1920x1080
Video data format MPEG-4, AVCHD, H.264 MPEG-4, AVCHD, H.264
Mic support
Headphone support
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 BuiltIn
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 678g (1.49 pounds) 732g (1.61 pounds)
Dimensions 129 x 96 x 76mm (5.1" x 3.8" x 3.0") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO All around rating not tested 78
DXO Color Depth rating not tested 24.0
DXO Dynamic range rating not tested 13.2
DXO Low light rating not tested 801
Other
Battery life 690 photographs 470 photographs
Battery style Battery Pack Battery Pack
Battery ID NP-FZ100 NP-FM500H
Self timer Yes (2, 5, 10 secs + continuous, 3 or 5 frames) Yes (2 or 10 sec)
Time lapse recording
Storage type Dual SD/SDHC/SDXC slots (UHS-II compatible) SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots 2 One
Pricing at launch $4,498 $900