Sony A7R IV vs Sony A9
Portability
62 Imaging
81 Features
93 Overall
85
62 Imaging
81 Features
93 Overall
85
Portability
65 Imaging
73 Features
93 Overall
81
65 Imaging
73 Features
93 Overall
81
Sony A7R IV vs Sony A9 Key Specs
Sony A7R IV
(Full Review)
(Full Review)
- 61MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 32000 (Increase 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
- Replacement is Sony A7R V
Sony A9
(Full Review)
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 51200 (Bump 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
- Launched April 2017
- Newer Model is Sony A9 II
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The following is a detailed review of the Sony A7R IV vs Sony A9, both Pro Mirrorless digital cameras and they are both built by Sony. There is a crucial difference between the sensor resolutions of the A7R IV (61MP) and A9 (24MP) but both cameras offer the same sensor sizing (Full frame).
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Before delving straight to a more detailed comparison, here is a concise introduction of how the A7R IV grades vs the A9 in relation to portability, imaging, features and an overall mark.
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The following is a preview of the gallery photos for Sony Alpha A7R IV and Sony Alpha A9. The entire galleries are available at Sony A7R IV Gallery and Sony A9 Gallery.
Reasons to pick Sony A7R IV over the Sony A9
| A7R IV | A9 | |||
|---|---|---|---|---|
| Launched | July 2019 |  | April 2017 | Newer by 28 months |
Reasons to pick Sony A9 over the Sony A7R IV
| A9 | A7R IV |
|---|
Common features in the Sony A7R IV and Sony A9
| A7R IV | A9 | |||
|---|---|---|---|---|
| Manual focus |  | More exact focusing | ||
| Screen type | Tilting |  | Tilting | Tilting screen |
| Screen dimensions | 3" |  | 3" | Equal screen measurement |
| Screen resolution | 1440k |  | 1440k | Equal screen resolution |
| Selfie screen |  | Missing selfie screen | ||
| Touch screen |  | Quickly navigate |
Sony A7R IV vs Sony A9 Physical Comparison
If you're going to travel with your camera regularly, you will want to factor its weight and dimensions. The Sony A7R IV enjoys physical measurements of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") and a weight of 665 grams (1.47 lbs) and the Sony A9 has dimensions of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") and a weight of 673 grams (1.48 lbs).
Compare the Sony A7R IV vs Sony A9 in the all new Camera and Lens Size Comparison Tool.
Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you have chosen during that time. The following is a front view sizing comparison of the A7R IV compared to the A9.
Looking at size and weight, the portability rating of the A7R IV and A9 is 62 and 65 respectively.
Sony A7R IV vs Sony A9 Sensor Comparison
In many cases, it is difficult to picture the difference between sensor dimensions just by reading specifications. The picture below may provide you a clearer sense of the sensor sizing in the A7R IV and A9.
To sum up, each of the cameras have the same sensor dimensions albeit different megapixels. You should count on the Sony A7R IV to deliver greater detail having its extra 37 Megapixels. Higher resolution will help you crop photographs a bit more aggressively. The more recent A7R IV provides an advantage in sensor tech.
Sony A7R IV vs Sony A9 Screen and ViewFinder
Photography Glossary Photography Type Scores
Portrait Comparison
Portrait photography with Sony A7R IV
Portrait photography with Sony A9
focusing manually
high MP (61MP)
sensor size is large (Full frame)
includes face detection focus
delivers RAW files
you can focus manually
MP count decent (24 megapixels)
sensor size is large (Full frame)
comes with face detection focusing
supports RAW formats
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Sony A7R IV Street photography information
Sony A9 Street photography information
screen tilts
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
delivers RAW files
provides focus via touch
weather proof
good high ISO (32,000)
screen tilts
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
supports RAW formats
boasts focus via touch
weather proof
very good high ISO (51,200)
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Sony A7R IV Sports photography advice
Sony A9 Sports photography advice
great max shutter speed (1/8,000s)
has image stabilization (Sensor based 5-axis)
high MP (61MP)
sensor size is large (Full frame)
includes tracking autofocus
weather proof
good battery life (670 shots)
comes with phase detect auto focus
high shutter speed (1/8,000s)
silent mode (1/32,000s)
high frames per second (20.0 frames/s)
image stabilization (Sensor based 5-axis)
MP count decent (24MP)
sensor size is large (Full frame)
comes with tracking autofocus
weather proof
better than average battery pack (650 CIPA)
sensor has phase detect AF
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Sony A7R IV Travel photography features
Sony A9 Travel photography features
good battery life (670 shots)
weather proof
supports bluetooth
provides focus via touch
high MP (61 megapixels)
screen isn't selfie friendly
better than average battery pack (650 shots)
weather proof
connects via bluetooth
boasts focus via touch
MP count decent (24 megapixels)
screen is not selfie friendly
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Landscape photography with Sony A7R IV
Landscape photography with Sony A9
focusing manually
change lenses (Sony E mount)
screen size is good (3 inches)
has image stabilization (Sensor based 5-axis)
high MP (61 megapixels)
sensor size is large (Full frame)
no low pass filter
good high ISO (32,000)
delivers RAW files
weather proof
good battery life (670 CIPA)
has dual storage slots
you can focus manually
swap lenses (Sony E mount)
screen is a decent size (3")
image stabilization (Sensor based 5-axis)
MP count decent (24MP)
sensor size is large (Full frame)
very good high ISO (51,200)
supports RAW formats
weather proof
better than average battery pack (650 CIPA)
has double storage slots
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Sony A7R IV Vlogging features
Sony A9 Vlogging features
built-in touchscreen
has image stabilization (Sensor based 5-axis)
includes face detection focus
good video quality (3840 x 2160 pixels)
does have external microphone jack
screen isn't selfie friendly
has touchscreen
image stabilization (Sensor based 5-axis)
comes with face detection focusing
video res high (3840 x 2160 pxls)
includes external mic port
screen is not selfie friendly
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Sony A7R IV vs Sony A9 Specifications
| Sony Alpha A7R IV | Sony Alpha A9 | |
|---|---|---|
| General Information | ||
| Make | Sony | Sony |
| Model type | Sony Alpha A7R IV | Sony Alpha A9 |
| Class | Pro Mirrorless | Pro Mirrorless |
| Revealed | 2019-07-16 | 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 | 35.8 x 23.8mm | 35.6 x 23.8mm |
| Sensor area | 852.0mm² | 847.3mm² |
| Sensor resolution | 61 megapixels | 24 megapixels |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
| Max resolution | 9504 x 6336 | 6000 x 4000 |
| Max native ISO | 32000 | 51200 |
| Max enhanced ISO | 102800 | 204800 |
| Lowest native ISO | 100 | 100 |
| RAW pictures | ||
| Lowest enhanced ISO | 50 | 50 |
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| Continuous AF | ||
| AF single | ||
| Tracking AF | ||
| Selective AF | ||
| Center weighted AF | ||
| AF multi area | ||
| AF live view | ||
| Face detection AF | ||
| Contract detection AF | ||
| Phase detection AF | ||
| Total focus points | 567 | 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 inch | 3 inch |
| Resolution of screen | 1,440 thousand dot | 1,440 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Viewfinder Information | ||
| Viewfinder | Electronic | Electronic |
| Viewfinder resolution | 5,760 thousand dot | 3,686 thousand dot |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.78x | 0.78x |
| Features | ||
| Min shutter speed | 30 secs | 30 secs |
| Max shutter speed | 1/8000 secs | 1/8000 secs |
| Max silent shutter speed | - | 1/32000 secs |
| Continuous shutter speed | 10.0 frames/s | 20.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | no built-in flash | no built-in flash |
| Flash options | Flash off, Autoflash, 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 | ||
| AE bracketing | ||
| White balance bracketing | ||
| Max flash sync | 1/250 secs | - |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM | - |
| Max video resolution | 3840x2160 | 3840x2160 |
| Video format | MPEG-4, XAVC S, H.264 | 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 | 665g (1.47 pounds) | 673g (1.48 pounds) |
| Physical dimensions | 129 x 96 x 78mm (5.1" x 3.8" x 3.1") | 127 x 96 x 63mm (5.0" x 3.8" x 2.5") |
| DXO scores | ||
| DXO Overall rating | 99 | 92 |
| DXO Color Depth rating | 26.0 | 24.9 |
| DXO Dynamic range rating | 14.8 | 13.3 |
| DXO Low light rating | 3344 | 3517 |
| Other | ||
| Battery life | 670 images | 650 images |
| Type of battery | Battery Pack | Battery Pack |
| Battery ID | NP-FZ100 | NP-FZ100 |
| Self timer | Yes | Yes (2, 5, 10 secs + continuous) |
| Time lapse shooting | ||
| Type of storage | Dual SD/SDHC/SDXC (UHS-II compatible) | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
| Storage slots | 2 | 2 |
| Pricing at release | $3,498 | $4,498 |