Sony a7R II vs Canon EOS R3 Specifications Comparison
| Camera Feature | Sony a7R II | Canon EOS R3 |
|---|---|---|
| Announced | June 2015 | September 2021 |
| Camera Type | Mirrorless | Mirrorless |
| Sensor Type | BSI CMOS | Stacked CMOS |
| Image Processor | BIONZ X | DIGIC X |
| Resolution | 42.4 MP | 24.0 MP |
| Pixel Dimensions | 7952×5304 | 6000×4000 |
| Sensor Dimensions | 35.9 x 24.0 mm (Full Frame) | 36.0 x 24.0 mm (Full Frame) |
| Sensor Pixel Size | 4.51µ | 6.00µ |
| Low Pass Filter | No | Yes |
| IBIS (In-Body Image Stabilization) | Yes | Yes |
| Base ISO | ISO 100 | ISO 100 |
| Max Native ISO | ISO 25,600 | ISO 102,400 |
| Extended ISOs | ISO 50-102,400 | ISO 50-204,800 |
| High-Resolution Sensor Shift | No | No |
| Focus Stack Bracketing | No | Yes |
| Pre-Shoot Burst Mode | No | No |
| Fastest Shutter Speed | 1/8000 | 1/64,000 |
| Longest Shutter Speed | 30 seconds | 30 seconds |
| Continuous Shooting (Mechanical Shutter) | 5 FPS | 12 FPS |
| Continuous Shooting (Electronic Shutter) | 5 FPS | 30 FPS |
| Notes for High FPS Shooting | 12-bit raw in continuous drive modes (14-bit in single-shot mode) | 195 FPS is possible, but only for 0.25 seconds of shooting. Auto exposure is locked at this FPS. |
| Buffer Size (Raw) | 23 frames (5 FPS) | 420 frames (30 FPS) |
| Autofocus System | Hybrid PDAF | Hybrid PDAF |
| Autofocus Points | 399 | 1053 |
| Photographer’s-Eye-Sensing AF | N/A | Yes |
| Maximum Low-Light AF Sensitivity (Standardized to f/2, ISO 100) | -2 EV | -6 EV |
| Standard Flash Sync Speed | 1/250 | 1/250 |
| Curtain to Protect Sensor at Shutdown | No | Yes |
Video Features | ||
| Maximum Video Bit Depth (Internal) | 8 bits | 12 bits |
| Maximum Video Bit Depth (External) | 8 bits | 12 bits |
| Raw Video | No | Yes |
| 6K Maximum Framerate | N/A | 60 FPS |
| 4K Maximum Framerate | 30 FPS | 120 FPS |
| 1080P Maximum Framerate | 60 FPS | 240 FPS |
| Additional Video Crop Factor | No | No |
| Chroma Subsampling | 4:2:0, 4:2:2 (External) | 4:2:2 |
| Video Recording Limit | 30 min | 360 min |
Physical and Other Features | ||
| Card Slots | 1 | 2 |
| Slot 1 Type | SD (UHS-I) | CFExpress Type B |
| Slot 2 Type | N/A | SD (UHS-II) |
| Rear LCD Size (Diagonal) | 3.0 in | 3.2 in |
| Rear LCD Resolution | 1.23 million dots | 4.2 million dots |
| Articulating LCD | Single Axis | Fully Articulating |
| Touchscreen | No | Yes |
| Viewfinder | EVF | EVF |
| Viewfinder Magnification | 0.78x | 0.76x |
| Viewfinder Resolution | 2.36 million dots | 5.76 million dots |
| Viewfinder Coverage | 100% | 100% |
| Voice Memo | No | Yes |
| Headphone Jack | Yes | Yes |
| Microphone Jack | Yes | Yes |
| Built-in Flash | No | No |
| GPS | No | No |
| Bluetooth | No | Yes |
| WiFi | Yes | Yes |
| USB Type | Type B 2.0 | Type C 3.2 Gen 2 |
| Battery Type | NP-FW50 | LP-E19 |
| Battery Life (Viewfinder) | 290 frames | 440 frames |
| Battery Life (Rear LCD) | 340 frames | 760 frames |
| Battery Life (Eco Mode) | N/A | 860 frames |
| Weather Sealed | Yes | Yes |
| Weight (Body Only w/ Battery + Card) | 625 g (1.38 lbs.) | 1015 g (2.24 lbs.) |
| Dimensions (LxHxD) | 127 x 96 x 70 mm (5.0 x 3.8 x 2.8″)1 | 150 x 143 x 107 mm (5.9 x 5.6 x 4.2″)2 |
Price Comparison | ||
| MSRP, Body Only | $1800 (Discontinued) | $6000 (Check Current Price) |
| Used Prices (Affiliate) | Sony a7R II Used Prices | Canon EOS R3 Used Prices |
| 1The Sony a7R II’s official dimensions do not include the depth of the protruding viewfinder. To match typical standards today, 10mm were added to the a7R II’s depth measurement in this table. | ||
| 2The Canon EOS R3’s official dimensions do not include the depth of the protruding viewfinder. To match the typical standards today, 20mm were added to the EOS R3’s depth measurement in this table. | ||
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