5.0 in 3.76 in  | 5.61 in 4.1 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Sony a9 |  Sony a99 II | |
|---|---|---|
| Sensor type | CMOS | CMOS |
| Image sensor format | Advanced Photo System type-C | Full-frame |
| Sensor size | 1.41 in | 1.41 in |
| Effective pixels | 24.0 Mpx | 42.0 Mpx |
| Max resolution | 6000 x 4000 px | 7952 x 5304 px |
| Processor | BIONZ X | BIONZ X |
| Sony a9 | Sony a99 II | |
|---|---|---|
| ISO |
|
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| ISO minimum | 100 | 50 |
| ISO maximum | 25600 | 102400 |
| Maximum image resolution | 6000 x 4000 px | 7952 x 5304 px |
| White balance modes |
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| Supported image file formats |
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| Photo effects |
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| Supported aspect ratios |
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| AEB/HDR support | yes | no |
| Sony a9 | Sony a99 II | |
|---|---|---|
| Lens mount |
| Sony A |
| Magnification (Crop factor) | 1.0 x | 1.0 x |
| AF assist (auto-focus assist light) | Lamp | Flash |
| Focus adjustment | Auto/Manual | Auto/Manual |
| Contrast autofocus | yes | yes |
| Contrast adjustment | yes | yes |
| Brightness adjustment | yes | yes |
| Autofocus | Only lenses with AF-motor |
|
| Auto Focus (AF) lock | yes | yes |
| Image stabiliser | Built-in | Built-in |
| Phase detection autofocus | yes | yes |
| Number of AF points (contrast) | 25 | 79 |
| Sony a9 | Sony a99 II | |
|---|---|---|
| Screen size | 3.0 in | 2.95 in |
| Articulated LCD | yes | yes |
| Screen technology | LCD TFT | LCD TFT |
| Screen dots | 1440000 | 1228800 |
| Touch screen | no | no |
| Viewfinder | Electronic | Electronic |
| Viewfinder screen size | 0.5 in | 0.51 in |
| Viewfinder coverage | 100.0 % | 100.0 % |
| Viewfinder magnification | 0.78 x | 0.78 x |
| Separate info display | no | yes |
| Flip-out screen | no | yes |
| Sony a9 | Sony a99 II | |
|---|---|---|
| Shooting modes |
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| Camera shutter type |
| Electronic |
| Auto exposure lock | yes | yes |
| Continuous shooting | yes | yes |
| Self-timer delay |
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| Flash sync speed | 1/250s | 1/250s |
| Flash modes |
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| External flash connection | Hot shoe | PC terminal |
| Flash metering system | TTL | TTL |
| Scene modes |
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| Self-timer | yes | yes |
| Manual settings | yes | yes |
| Speed (JPEG) | 20.0 fps | 12.0 fps |
| Sony a9 | Sony a99 II | |
|---|---|---|
| Maximum resolution | 3840 x 2160 px | 3840 x 2160 px |
| Video recording | yes | yes |
| Recording resolutions |
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| HD type | 4K Ultra HD | 4K Ultra HD |
| Supported video file formats |
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| Camera playback |
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| Video recording limit | 195.0 min. | 135.0 min. |
| Max resolution (highest frame rate) | 1920 x 1080 | 1920 x 1080 |
| Max frame rate (highest resolution) | 30.0 fps | 30.0 fps |
| Max frame rate (regardless of res.) | 120.0 fps | 120.0 fps |
| Sony a9 | Sony a99 II | |
|---|---|---|
| Built-in microphone | yes | yes |
| Audio system | Stereo | Mono |
| Sony a9 | Sony a99 II | |
|---|---|---|
| Body type | MILC | SLR |
| Colour of product | Black | Black |
| Anti-dust system | yes | yes |
| Environmentally sealed | yes | yes |
| Sony a9 | Sony a99 II | |
|---|---|---|
| Weight | 23.74 oz | 27.16 oz |
| Width | 5.0 in | 5.61 in |
| Height | 3.76 in | 4.1 in |
| Depth | 2.48 in | 3.0 in |
| Sony a9 | Sony a99 II | |
|---|---|---|
| Compatible memory cards |
|
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| Memory slots | 2 | 2 |
| Storage types |
| Dual SD/SDHC/SDXC[UHS I]/MS Duo slots |
| Sony a9 | Sony a99 II | |
|---|---|---|
| Power source type | Battery | Battery |
| Battery life (CIPA) | 650 | 490 |
| Battery technology | Lithium-Ion | Lithium-Ion |
| Battery capacity | 2280.0 mAh | 1600.0 mAh |
| Battery voltage | 7.2 V | 7.2 V |
| Sony a9 | Sony a99 II | |
|---|---|---|
| HDMI | yes | yes |
| HDMI connector type | Micro | Micro |
| USB connector type | Micro-USB | Micro-USB |
| USB version | 2.0 | 2.0 |
| Supported WiFi types |
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| NFC | yes | yes |
| Wireless network (Wi-Fi) | yes | yes |
| Bluetooth | yes | yes |
| Bluetooth version | 4.1 | 4.1 |
| Firewire | no | no |
| Sony a9 | Sony a99 II | |
|---|---|---|
| GPS | no | no |
| Tripod mounting supported | yes | yes |
| Pros | ||
|---|---|---|
| Cons |
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