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Sony A7 IV vs Sony A9

Portability
61
Imaging
81
Features
92
Overall
85
Sony Alpha A7 IV front
 
Sony Alpha A9 front
Portability
65
Imaging
74
Features
93
Overall
81

Sony A7 IV vs Sony A9 Key Specs

Sony A7 IV
(Full Review)
  • 33MP - Full frame Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 51200 (Raise to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Launched October 2021
  • Previous Model is Sony A7 III
Sony A9
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 51200 (Boost 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
  • Renewed by Sony A9 II
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Sony A7 IV vs Sony A9 Overview

In this article, we will be analyzing the Sony A7 IV vs Sony A9, both Pro Mirrorless cameras and they are both sold by Sony. There is a sizeable difference among the sensor resolutions of the A7 IV (33MP) and A9 (24MP) but they feature the same exact sensor measurements (Full frame).

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The A7 IV was revealed 4 years later than the A9 and that is a fairly large gap as far as camera tech is concerned. Each of the cameras offer the identical body type (SLR-style mirrorless).

Before we go in to a complete comparison, below is a short highlight of how the A7 IV grades versus the A9 in the way of portability, imaging, features and an overall grade.

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Reasons to pick Sony A7 IV over the Sony A9

 A7 IV A9 
AnnouncedOctober 2021April 2017More recent by 55 months
Screen typeFully articulatedTiltingFully Articulating screen
Selfie screen Easy selfies

Reasons to pick Sony A9 over the Sony A7 IV

 A9 A7 IV 

Common features in the Sony A7 IV and Sony A9

 A7 IV A9 
Manually focus Very exact focus
Screen sizing3"3"Equivalent screen measurements
Screen resolution1440k1440kEqual screen resolution
Touch screen Quickly navigate

Sony A7 IV vs Sony A9 Physical Comparison

When you are intending to lug around your camera often, you will want to think about its weight and proportions. The Sony A7 IV offers outside dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") accompanied by a weight of 699 grams (1.54 lbs) while the Sony A9 has measurements of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") along with a weight of 673 grams (1.48 lbs).

Analyze the Sony A7 IV vs Sony A9 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilizing at that moment. Following is the front view scale comparison of the A7 IV vs the A9.

Sony A7 IV vs Sony A9 size comparison

Using size and weight, the portability rating of the A7 IV and A9 is 61 and 65 respectively.

Sony A7 IV vs Sony A9 top view buttons comparison

Sony A7 IV vs Sony A9 Sensor Comparison

Oftentimes, its tough to imagine the gap in sensor measurements just by going through technical specs. The photograph here should give you a greater sense of the sensor sizes in the A7 IV and A9.

As you have seen, both cameras offer the same exact sensor sizing albeit different resolution. You should count on the Sony A7 IV to produce greater detail because of its extra 9MP. Higher resolution will make it easier to crop shots a little more aggressively. The more modern A7 IV should have an edge with regard to sensor technology.

Sony A7 IV vs Sony A9 sensor size comparison

Sony A7 IV vs Sony A9 Screen and ViewFinder

Sony A7 IV vs Sony A9 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7 IV Portrait photography advice
Sony A9 Portrait photography advice
81
you can focus manually
high sensor resolution (33MP)
large sensor size (Full frame)
supports face detect focusing
saves RAW formats
no liveview
84
focusing manually
decent megapixels (24MP)
great sensor size (Full frame)
provides face detection focus
supports RAW files
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Street Comparison

Sony A7 IV as a Street photography camera
Sony A9 as a Street photography camera
79
built in image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
saves RAW formats
offers focus via touch
weather sealing
good high ISO (51,200)
79
screen tilts
has image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
supports RAW files
supports focus via touch
weather sealing
very good high ISO (51,200)
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Sports Comparison

Sony A7 IV as a Sports photography camera
Sony A9 as a Sports photography camera
84
great max shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
high sensor resolution (33MP)
large sensor size (Full frame)
supports tracking focus
weather sealing
great battery (600 shots)
sensor has phase detect AF
no liveview
87
great max shutter speed (1/8,000s)
silent shutter (1/32,000s)
fast shooting (20.0 frames per second)
has image stabilization (Sensor based 5-axis)
decent megapixels (24MP)
great sensor size (Full frame)
provides tracking autofocus
weather sealing
good battery pack (650 CIPA)
supports phase detect auto focus
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Travel Comparison

Sony A7 IV as a Travel photography camera
Sony A9 as a Travel photography camera
80
great battery (600 shots)
weather sealing
connects via bluetooth
offers focus via touch
high sensor resolution (33 megapixels)
screen is selfie friendly
74
good battery pack (650 CIPA)
weather sealing
has bluetooth
supports focus via touch
decent megapixels (24 megapixels)
does not contain selfie friendly screen
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Landscape Comparison

Sony A7 IV Landscape photography advice
Sony A9 Landscape photography advice
84
you can focus manually
change lenses (Sony E mount)
screen is a decent size (3 inches)
built in image stabilization (Sensor based 5-axis)
high sensor resolution (33MP)
large sensor size (Full frame)
good high ISO (51,200)
saves RAW formats
weather sealing
great battery (600 shots)
has dual storage slots
no liveview
86
focusing manually
change lenses (Sony E mount)
decent sized screen (3 inch)
has image stabilization (Sensor based 5-axis)
decent megapixels (24MP)
great sensor size (Full frame)
very good high ISO (51,200)
supports RAW files
weather sealing
good battery pack (650 shots)
has double storage slots
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Vlogging Comparison

Sony A7 IV Vlogging features
Sony A9 Vlogging features
80
screen is selfie friendly
has touchscreen
built in image stabilization (Sensor based 5-axis)
supports face detect focusing
high quality video (3840 x 2160 resolution)
includes microphone jack
37
touchscreen
has image stabilization (Sensor based 5-axis)
provides face detection focus
video res high (3840 x 2160 pxls)
comes with external microphone port
does not contain selfie friendly screen
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Sony A7 IV vs Sony A9 Specifications

Detailed spec comparison table for Sony A7 IV and Sony A9
 Sony Alpha A7 IVSony Alpha A9
General Information
Brand Name Sony Sony
Model Sony Alpha A7 IV Sony Alpha A9
Category Pro Mirrorless Pro Mirrorless
Launched 2021-10-21 2017-04-19
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Powered by - BIONZ X
Sensor type BSI-CMOS BSI-CMOS
Sensor size Full frame Full frame
Sensor measurements 35.8 x 23.8mm 35.6 x 23.8mm
Sensor surface area 852.0mm² 847.3mm²
Sensor resolution 33 megapixel 24 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Peak resolution 7008 x 4672 6000 x 4000
Highest native ISO 51200 51200
Highest enhanced ISO 204800 204800
Minimum native ISO 100 100
RAW pictures
Minimum enhanced ISO 50 50
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 759 693
Lens
Lens mount Sony E Sony E
Number of lenses 172 121
Crop factor 1 1
Screen
Range of screen Fully articulated Tilting
Screen diagonal 3" 3"
Screen resolution 1,440 thousand dot 1,440 thousand dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 3,690 thousand dot 3,686 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.78x 0.78x
Features
Min shutter speed 30s 30s
Max shutter speed 1/8000s 1/8000s
Max silent shutter speed - 1/32000s
Continuous shutter speed 10.0 frames/s 20.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash range no built-in flash no built-in flash
Flash modes no built-in flash Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync
Hot shoe
AEB
WB bracketing
Max flash sync 1/200s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 3843840 x 2160 @ 60p / 200 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 50p / 200 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 30p / 140 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 25p / 140 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 24p / 100 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 60p / 600 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 50p / 500 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 30p / 300 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 25p / 250 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 24p / 240 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.264, Linear PCM3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.264, Linear PCM3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.264, Linear PCM3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.264, Linear PCM3840 x 2160 @ 30p / -
Highest video resolution 3840x2160 3840x2160
Video file format MPEG-4, XAVC S, XAVC HS, XAVC S-I, H.264, H.265 MPEG-4, AVCHD, H.264
Microphone jack
Headphone jack
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB Yes (USB PD supported) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 699 grams (1.54 lbs) 673 grams (1.48 lbs)
Dimensions 129 x 97 x 81mm (5.1" x 3.8" x 3.2") 127 x 96 x 63mm (5.0" x 3.8" x 2.5")
DXO scores
DXO Overall score not tested 92
DXO Color Depth score not tested 24.9
DXO Dynamic range score not tested 13.3
DXO Low light score not tested 3517
Other
Battery life 600 photographs 650 photographs
Battery form Battery Pack Battery Pack
Battery model NP-FZ100 NP-FZ100
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2, 5, 10 secs + continuous)
Time lapse recording
Storage media Dual SD/CFexpress Type A slots Dual SD/SDHC/SDXC slots (UHS-II compatible)
Storage slots Two Two
Cost at release $2,500 $4,498