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Sony A7R IV vs Sony A77

Portability
62
Imaging
81
Features
93
Overall
85
Sony Alpha A7R IV front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Sony A7R IV vs Sony A77 Key Specs

Sony A7R IV
(Full Review)
  • 61MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 32000 (Boost to 102800)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 665g - 129 x 96 x 78mm
  • Revealed July 2019
  • Older Model is Sony A7R III
  • Renewed by Sony A7R V
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
  • Released October 2011
  • Superseded the Sony A700
  • Later Model is Sony A77 II
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Sony A7R IV vs Sony A77 Overview

In this article, we will be analyzing the Sony A7R IV and Sony A77, former being a Pro Mirrorless while the latter is a Advanced DSLR and they are both designed by Sony. There is a noticeable difference among the image resolutions of the A7R IV (61MP) and A77 (24MP) and the A7R IV (Full frame) and A77 (APS-C) use different sensor sizing.

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The A7R IV was revealed 7 years later than the A77 and that is a fairly sizable difference as far as camera tech is concerned. Both cameras offer different body type with the Sony A7R IV being a SLR-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.

Before diving in to a complete comparison, below is a concise summation of how the A7R IV matches up vs the A77 in relation to portability, imaging, features and an overall rating.

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Reasons to pick Sony A7R IV over the Sony A77

 A7R IV A77 
ReleasedJuly 2019October 2011Fresher by 95 months
Screen resolution1440k921kCrisper screen (+519k dot)
Touch friendly screen Quickly navigate

Reasons to pick Sony A77 over the Sony A7R IV

 A77 A7R IV 
Screen typeFully ArticulatedTiltingFully Articulating screen
Selfie screen Easy selfies

Common features in the Sony A7R IV and Sony A77

 A7R IV A77 
Focus manually Very precise focus
Screen sizing3"3"Equivalent screen measurement

Sony A7R IV vs Sony A77 Physical Comparison

For anyone who is looking to carry your camera regularly, you are going to need to think about its weight and size. The Sony A7R IV features outer dimensions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") accompanied by a weight of 665 grams (1.47 lbs) while the Sony A77 has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 732 grams (1.61 lbs).

Analyze the Sony A7R IV and Sony A77 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will vary dependant on the lens you are using during that time. Underneath is the front view proportions comparison of the A7R IV vs the A77.

Sony A7R IV vs Sony A77 size comparison

Taking into account size and weight, the portability grade of the A7R IV and A77 is 62 and 59 respectively.

Sony A7R IV vs Sony A77 top view buttons comparison

Sony A7R IV vs Sony A77 Sensor Comparison

Oftentimes, it is very tough to imagine the contrast in sensor sizing just by seeing specs. The graphic here will help give you a greater sense of the sensor sizes in the A7R IV and A77.

As you can plainly see, both of those cameras enjoy different megapixel count and different sensor sizing. The A7R IV having a bigger sensor is going to make shooting shallower DOF simpler and the Sony A7R IV will show greater detail because of its extra 37MP. Higher resolution will allow you to crop photographs far more aggressively. The more modern A7R IV provides an advantage with regard to sensor innovation.

Sony A7R IV vs Sony A77 sensor size comparison

Sony A7R IV vs Sony A77 Screen and ViewFinder

Sony A7R IV vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7R IV as a Portrait photography camera
Sony A77 as a Portrait photography camera
88
you can focus manually
resolution is fantastic (61MP)
big sensor size (Full frame)
supports face detection focus
saves RAW formats
77
you can focus manually
decent sensor resolution (24MP)
nice sensor size (APS-C)
comes with face detection autofocus
supports RAW formats
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Street Comparison

Sony A7R IV Street photography features
Sony A77 Street photography features
79
screen tilts
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
saves RAW formats
supports focus via touch
environment proof
great high ISO (32,000)
74
fully articulated screen
built in image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW formats
environment proof
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Sports Comparison

Sony A7R IV Sports photography features
Sony A77 Sports photography features
90
maximum shutter speed is high (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
resolution is fantastic (61MP)
big sensor size (Full frame)
supports tracking autofocus
environment proof
good battery (670 per charge)
supports phase detect auto focus
74
maximum shutter speed is high (1/8,000s)
built in image stabilization (Sensor based)
decent sensor resolution (24MP)
nice sensor size (APS-C)
environment proof
supports phase detect autofocus
low battery pack (470 CIPA)
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Travel Comparison

Sony A7R IV Travel photography advice
Sony A77 Travel photography advice
74
good battery (670 per charge)
environment proof
has bluetooth
supports focus via touch
resolution is fantastic (61 megapixels)
display is not selfie friendly
62
environment proof
decent sensor resolution (24MP)
flash built-in
screen is selfie friendly
no Timelapse function
low battery pack (470 shots)
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Landscape Comparison

Sony A7R IV Landscape photography highlights
Sony A77 Landscape photography highlights
88
you can focus manually
switch lenses (Sony E mount)
pretty good screen size (3 inches)
has image stabilization (Sensor based 5-axis)
resolution is fantastic (61 megapixels)
big sensor size (Full frame)
no low pass filter
great high ISO (32,000)
saves RAW formats
environment proof
good battery (670 per charge)
2 card slots
71
you can focus manually
swap lenses (Sony/Minolta Alpha mount)
screen size is good (3")
built in image stabilization (Sensor based)
decent sensor resolution (24MP)
nice sensor size (APS-C)
supports RAW formats
environment proof
low battery pack (470 CIPA)
no Timelapse function
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Vlogging Comparison

Sony A7R IV as a Vlogging camera
Sony A77 as a Vlogging camera
37
touchscreen capability
has image stabilization (Sensor based 5-axis)
supports face detection focus
video res high (3840 x 2160 pxls)
comes with external microphone support
display is not selfie friendly
76
screen is selfie friendly
built in image stabilization (Sensor based)
comes with face detection autofocus
high quality video (1920 x 1080 resolution)
comes with external microphone socket
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Sony A7R IV vs Sony A77 Specifications

Detailed spec comparison table for Sony A7R IV and Sony A77
 Sony Alpha A7R IVSony SLT-A77
General Information
Make Sony Sony
Model type Sony Alpha A7R IV Sony SLT-A77
Type Pro Mirrorless Advanced DSLR
Revealed 2019-07-16 2011-10-25
Physical type SLR-style mirrorless Mid-size SLR
Sensor Information
Powered by Bionz X Bionz
Sensor type BSI-CMOS CMOS
Sensor size Full frame APS-C
Sensor measurements 35.8 x 23.8mm 23.5 x 15.6mm
Sensor area 852.0mm² 366.6mm²
Sensor resolution 61MP 24MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Peak resolution 9504 x 6336 6000 x 4000
Highest native ISO 32000 16000
Highest enhanced ISO 102800 25600
Min native ISO 100 50
RAW support
Min enhanced ISO 50 -
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 567 19
Cross type focus points - 11
Lens
Lens support Sony E Sony/Minolta Alpha
Number of lenses 121 143
Focal length multiplier 1 1.5
Screen
Type of screen Tilting Fully Articulated
Screen size 3" 3"
Screen resolution 1,440 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 5,760 thousand dots 2,359 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.78x 0.73x
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/8000 secs 1/8000 secs
Continuous shutter rate 10.0fps 12.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in 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
WB bracketing
Max flash synchronize 1/250 secs 1/250 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
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)
Highest video resolution 3840x2160 1920x1080
Video data format MPEG-4, XAVC S, H.264 MPEG-4, AVCHD, H.264
Microphone port
Headphone port
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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 665 grams (1.47 pounds) 732 grams (1.61 pounds)
Dimensions 129 x 96 x 78mm (5.1" x 3.8" x 3.1") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO Overall rating 99 78
DXO Color Depth rating 26.0 24.0
DXO Dynamic range rating 14.8 13.2
DXO Low light rating 3344 801
Other
Battery life 670 photographs 470 photographs
Battery type Battery Pack Battery Pack
Battery ID NP-FZ100 NP-FM500H
Self timer Yes Yes (2 or 10 sec)
Time lapse shooting
Type of storage Dual SD/SDHC/SDXC (UHS-II compatible) SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots Dual 1
Launch price $3,498 $900