Sony A7R III vs Sony A9
Portability
63 Imaging
78 Features
93 Overall
84
63 Imaging
78 Features
93 Overall
84
Portability
65 Imaging
73 Features
93 Overall
81
65 Imaging
73 Features
93 Overall
81
Sony A7R III vs Sony A9 Key Specs
Sony A7R III
(Full Review)
(Full Review)
- 42MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 32000 (Boost to 102400)
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 657g - 127 x 96 x 74mm
- Announced October 2017
- Replaced the Sony A7R II
- Newer Model is Sony A7R IV
Sony A9
(Full Review)
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 51200 (Raise 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
- Announced April 2017
- Renewed by Sony A9 II
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Following is a in-depth analysis of the Sony A7R III versus Sony A9, both Pro Mirrorless cameras and both are sold by Sony. There is a sizable difference among the sensor resolutions of the A7R III (42MP) and A9 (24MP) but they feature the exact same sensor measurements (Full frame).
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe A7R III was released 7 months after the A9 so they are of a similar age. Both of the cameras come with the identical body type (SLR-style mirrorless).
Before we go straight into a complete comparison, below is a concise summation of how the A7R III matches up against the A9 with regards to portability, imaging, features and an overall score.
Photography Glossary Sony A7R III vs Sony A9 Gallery
Following is a preview of the gallery images for Sony Alpha A7R III & Sony Alpha A9. The complete galleries are provided at Sony A7R III Gallery & Sony A9 Gallery.
Reasons to pick Sony A7R III over the Sony A9
| A7R III | A9 | |||
|---|---|---|---|---|
| Announced | October 2017 |  | April 2017 | More modern by 7 months |
Reasons to pick Sony A9 over the Sony A7R III
| A9 | A7R III |
|---|
Common features in the Sony A7R III and Sony A9
| A7R III | A9 | |||
|---|---|---|---|---|
| Manually focus |  | More exact focusing | ||
| Screen type | Tilting |  | Tilting | Tilting screen |
| Screen dimension | 3" |  | 3" | Identical screen measurements |
| Screen resolution | 1440k |  | 1440k | Equal screen resolution |
| Selfie screen |  | Absent selfie screen | ||
| Touch friendly screen |  | Quickly navigate |
Sony A7R III vs Sony A9 Physical Comparison
For those who are planning to carry around your camera regularly, you will want to factor its weight and dimensions. The Sony A7R III features outer dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 657 grams (1.45 lbs) and the Sony A9 has dimensions of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") with a weight of 673 grams (1.48 lbs).
Check the Sony A7R III versus Sony A9 in our completely new Camera & Lens Size Comparison Tool.
Take into account, the weight of an ILC will change depending on the lens you are utilizing at that time. Underneath is the front view sizing comparison of the A7R III compared to the A9.
Considering size and weight, the portability score of the A7R III and A9 is 63 and 65 respectively.
Sony A7R III vs Sony A9 Sensor Comparison
In many cases, its tough to envision the gap in sensor sizes purely by seeing specs. The picture here might offer you a greater sense of the sensor dimensions in the A7R III and A9.
As you can plainly see, both of those cameras posses the exact same sensor measurements albeit not the same megapixels. You can expect the Sony A7R III to show greater detail as a result of its extra 18MP. Higher resolution will make it easier to crop photographs somewhat more aggressively. The younger A7R III is going to have an edge with regard to sensor technology.
Sony A7R III vs Sony A9 Screen and ViewFinder
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Portrait Comparison
Sony A7R III as a Portrait photography camera
Sony A9 as a Portrait photography camera
focusing manually
excellent resolution (42MP)
big sensor size (Full frame)
features face detection focusing
delivers RAW files
manual focus
decent MP (24 megapixels)
large sensor size (Full frame)
features face detection focus
exports RAW formats
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Sony A7R III Street photography advice
Sony A9 Street photography advice
screen tilts up and down
image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
delivers RAW files
has touch to focus
weather proof
very good high ISO (32,000)
screen tilts
built in image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
exports RAW formats
features focus via touch
weather sealing
very good ISO range (51,200)
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Sony A7R III Sports photography highlights
Sony A9 Sports photography highlights
great max shutter speed (1/8,000s)
image stabilization (Sensor based 5-axis)
excellent resolution (42 megapixels)
big sensor size (Full frame)
features tracking autofocus
weather proof
great battery life (650 shots)
has phase detect AF
maximum shutter speed is high (1/8,000 seconds)
silent shutter (1/32,000 seconds)
max frames per second high (20.0 frames/s)
built in image stabilization (Sensor based 5-axis)
decent MP (24 megapixels)
large sensor size (Full frame)
features tracking autofocus
weather sealing
better than average battery power (650 shots)
supports phase detect auto focus
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Sony A7R III Travel photography features
Sony A9 Travel photography features
great battery life (650 shots)
weather proof
has bluetooth
has touch to focus
excellent resolution (42MP)
display isn't selfie friendly
better than average battery power (650 per charge)
weather sealing
has bluetooth
features focus via touch
decent MP (24 megapixels)
doesn't feature selfie friendly screen
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Sony A7R III as a Landscape photography camera
Sony A9 as a Landscape photography camera
focusing manually
switch lenses (Sony E mount)
good sized screen (3 inches)
image stabilization (Sensor based 5-axis)
excellent resolution (42MP)
big sensor size (Full frame)
does not have anti aliasing filter
very good high ISO (32,000)
delivers RAW files
weather proof
great battery life (650 shots)
has double storage slots
manual focus
change lenses (Sony E mount)
nice screen size (3 inches)
built in image stabilization (Sensor based 5-axis)
decent MP (24MP)
large sensor size (Full frame)
very good ISO range (51,200)
exports RAW formats
weather sealing
better than average battery power (650 shots)
has double storage slots
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Sony A7R III as a Vlogging camera
Sony A9 as a Vlogging camera
touchscreen functionality
image stabilization (Sensor based 5-axis)
features face detection focusing
video res high (3840 x 2160 pxls)
has external microphone port
display isn't selfie friendly
has touchscreen
built in image stabilization (Sensor based 5-axis)
features face detection focus
video resolution high (3840 x 2160 pixels)
comes with external mic port
doesn't feature selfie friendly screen
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Sony A7R III vs Sony A9 Specifications
| Sony Alpha A7R III | Sony Alpha A9 | |
|---|---|---|
| General Information | ||
| Company | Sony | Sony |
| Model type | Sony Alpha A7R III | Sony Alpha A9 |
| Class | Pro Mirrorless | Pro Mirrorless |
| Announced | 2017-10-25 | 2017-04-19 |
| Body design | SLR-style mirrorless | SLR-style mirrorless |
| Sensor Information | ||
| Chip | Bionz X | BIONZ X |
| Sensor type | BSI-CMOS | BSI-CMOS |
| Sensor size | Full frame | Full frame |
| Sensor dimensions | 35.9 x 24mm | 35.6 x 23.8mm |
| Sensor surface area | 861.6mm² | 847.3mm² |
| Sensor resolution | 42 megapixels | 24 megapixels |
| Anti alias filter | ||
| Aspect ratio | 3:2 and 16:9 | 3:2 and 16:9 |
| Full resolution | 7952 x 5304 | 6000 x 4000 |
| Max native ISO | 32000 | 51200 |
| Max boosted ISO | 102400 | 204800 |
| Minimum native ISO | 100 | 100 |
| RAW images | ||
| Minimum boosted ISO | 50 | 50 |
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| Continuous AF | ||
| AF single | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| AF multi area | ||
| Live view AF | ||
| Face detection AF | ||
| Contract detection AF | ||
| Phase detection AF | ||
| Total focus points | 425 | 693 |
| Lens | ||
| Lens support | Sony E | Sony E |
| Amount of lenses | 121 | 121 |
| Crop factor | 1 | 1 |
| Screen | ||
| Screen type | Tilting | Tilting |
| Screen sizing | 3" | 3" |
| Screen resolution | 1,440k dot | 1,440k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Viewfinder Information | ||
| Viewfinder | Electronic | Electronic |
| Viewfinder resolution | 3,686k dot | 3,686k dot |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | 0.78x | 0.78x |
| Features | ||
| Lowest shutter speed | 30 seconds | 30 seconds |
| Highest shutter speed | 1/8000 seconds | 1/8000 seconds |
| Highest silent shutter speed | - | 1/32000 seconds |
| Continuous shooting speed | 10.0fps | 20.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | no built-in flash | no built-in flash |
| Flash modes | Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
| Hot shoe | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) | - |
| Max video resolution | 3840x2160 | 3840x2160 |
| Video file format | MPEG-4, AVCHD, XAVC S | MPEG-4, AVCHD, H.264 |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.1 Gen 1(5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 657g (1.45 pounds) | 673g (1.48 pounds) |
| Dimensions | 127 x 96 x 74mm (5.0" x 3.8" x 2.9") | 127 x 96 x 63mm (5.0" x 3.8" x 2.5") |
| DXO scores | ||
| DXO All around rating | 100 | 92 |
| DXO Color Depth rating | 26.0 | 24.9 |
| DXO Dynamic range rating | 14.7 | 13.3 |
| DXO Low light rating | 3523 | 3517 |
| Other | ||
| Battery life | 650 pictures | 650 pictures |
| Type of battery | Battery Pack | Battery Pack |
| Battery ID | 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 | ||
| Type of storage | Two SD/SDHC/SDXC slots (UHS-II support on one) | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
| Storage slots | 2 | 2 |
| Cost at launch | $2,800 | $4,498 |