Camera Comparison
Sony a7R III vs Sony a7R IV
Key Differences
- Sony a7R IV has a better evf resolution (5.76M dots vs 3.69M dots).
- Sony a7R IV has a better low light af (-3 EV vs -2 EV).
- Sony a7R IV has a better effective resolution (61 MP vs 42.4 MP).
- Sony a7R IV has a better phase detect points (567 vs 399).
- Sony a7R III has a better battery life (evf) (650 shots vs 530 shots).
| Product | ||
|---|---|---|
| Imaging | ||
| Sensor Type | BSI CMOS | BSI CMOS |
| Sensor Size | Full-Frame | Full-Frame |
| Effective Resolution | 42.4 MP | 61 MP |
| Max Image Size | 4K | 4K |
| Lens Mount | Sony E | Sony E |
| Exposure Control | ||
| ISO Range (Native) | 100 – 32000 | 100 – 32000 |
| ISO Range (Extended) | 50 – 102400 | 50 – 102400 |
| Mechanical Shutter | 1/8000 | 1/8000 |
| Electronic Shutter | 1/8000 | 1/8000 |
| Flash Sync Speed | 1/250 | 1/250 |
| Still Image Capture | ||
| Continuous Shooting | 10 fps | 10 fps |
| Buffer (RAW) | 76 shots | 68 shots |
| Video Capture | ||
| Max Resolution | 4K | 4K |
| 8K Recording | − | − |
| 4K Recording | Up to 30p | Up to 30p |
| 1080p Recording | Up to 120p | Up to 120p |
| 10-bit Internal | Yes | Yes |
| Recording Limit | 29 min | 29 min |
| Log Profiles | S-Log3 / HLG | S-Log3 / HLG |
| Built-in Mic | Stereo | Stereo |
| Headphone Jack | Yes | Yes |
| Mic Input | Yes | Yes |
| HDMI Output | Micro (Type D) | Micro (Type D) |
| Focus | ||
| Phase Detect Points | 399 | 567 |
| Contrast Detect Points | − | − |
| Low Light AF | -2 EV | -3 EV |
| Eye AF | Yes | Yes |
| Animal AF | Yes | Yes |
| Vehicle AF | No | No |
| Viewfinder | ||
| EVF Type | OLED | OLED |
| EVF Resolution | 3.69M dots | 5.76M dots |
| EVF Magnification | 0.78x | 0.78x |
| Monitor | ||
| LCD Size | 3" | 3.2" |
| LCD Resolution | 1.44M dots | 1.44M dots |
| LCD Type | Tilting | Tilting |
| Touch Screen | Yes | Yes |
| Interface | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | v4.2 | v4.2 |
| USB | USB-C 3.1 Gen 1 | USB-C 3.1 Gen 1 |
| GPS | No | No |
| General | ||
| Price (MSRP) | $3,199 | $3,499 |
| Body Material | Magnesium Alloy | Magnesium Alloy |
| Dimensions | 126.9×95.6×73.7 mm | 128.9×96.4×77.5 mm |
| Weight | 657g (1.45 lb) | 665g (1.47 lb) |
| Weather Sealed | Yes | Yes |
| In-Body Stabilization | Yes | Yes |
| Battery Life (EVF) | 650 shots | 530 shots |
| Battery Life (LCD) | 800 shots | 670 shots |
| Battery Type | NP-FZ100 | NP-FZ100 |
