Camera Comparison
Sony a7 III vs Sony α7R
Key Differences
- Sony a7 III has a better phase detect points (693 vs 0).
- Sony a7 III has a better contrast detect points (425 vs 25).
- Sony a7 III has a better buffer (raw) (89 shots vs 12 shots).
- Sony a7 III has a better low light af (-3 EV vs -1 EV).
- Sony a7 III has a better battery life (lcd) (710 shots vs 270 shots).
| Product | ||
|---|---|---|
| Imaging | ||
| Sensor Type | BSI CMOS | CMOS |
| Sensor Size | Full-Frame | Full-Frame |
| Effective Resolution | 24.2 MP | 36.4 MP |
| Max Image Size | 4K | 1080p |
| Lens Mount | Sony E | Sony E |
| Exposure Control | ||
| ISO Range (Native) | 100 – 51200 | 100 – 25600 |
| ISO Range (Extended) | 50 – 204800 | 50 – 25600 |
| Mechanical Shutter | 1/8000 | 1/8000 |
| Electronic Shutter | 1/8000 | − |
| Flash Sync Speed | 1/250 | 1/250 |
| Still Image Capture | ||
| Continuous Shooting | 10 fps | 4 fps |
| Buffer (RAW) | 89 shots | 12 shots |
| Video Capture | ||
| Max Resolution | 4K | 1080p |
| 8K Recording | − | − |
| 4K Recording | Up to 30p | − |
| 1080p Recording | Up to 120p | Up to 60p |
| 10-bit Internal | Yes | No |
| Recording Limit | 29 min | 29 min |
| Log Profiles | S-Log3 / HLG / S-Cinetone | − |
| Built-in Mic | Stereo | Stereo |
| Headphone Jack | Yes | No |
| Mic Input | Yes | Yes |
| HDMI Output | Micro (Type D) | Micro (Type D) |
| Focus | ||
| Phase Detect Points | 693 | 0 |
| Contrast Detect Points | 425 | 25 |
| Low Light AF | -3 EV | -1 EV |
| Eye AF | Yes | No |
| Animal AF | Yes | No |
| Vehicle AF | No | No |
| Viewfinder | ||
| EVF Type | OLED | OLED |
| EVF Resolution | 2.36M dots | 2.36M dots |
| EVF Magnification | 0.78x | 0.71x |
| Monitor | ||
| LCD Size | 3" | 3" |
| LCD Resolution | 0.92M dots | 0.92M dots |
| LCD Type | Tilting | Tilting |
| Touch Screen | Yes | No |
| Interface | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 4 |
| Bluetooth | v4.2 | − |
| USB | USB-C 3.1 Gen 1 | Micro USB 2.0 |
| GPS | No | No |
| General | ||
| Price (MSRP) | $1,999 | $2,299 |
| Body Material | Magnesium Alloy | Magnesium Alloy |
| Dimensions | 126.9×95.6×73.7 mm | 126.9×94.4×48.2 mm |
| Weight | 650g (1.43 lb) | 465g (1.03 lb) |
| Weather Sealed | Yes | Yes |
| In-Body Stabilization | Yes | No |
| Battery Life (EVF) | 610 shots | 250 shots |
| Battery Life (LCD) | 710 shots | 270 shots |
| Battery Type | NP-FZ100 | NP-FW50 |
