Canon EOS R6 Mark III vs Sony a7C II
The bottom line
These two are closely matched. The differences below are where they diverge — weigh the ones that map to how you actually shoot, and let price and handling break the tie.
Choose the Canon EOS R6 Mark III if…
- ✓You shoot action, sports or wildlife — 40fps burst and 1,053 phase-detect points keeps up with fast, erratic movement where 10fps would drop frames.
- ✓You shoot video seriously — it brings smoother 120p 4K vs 60p.
- ✓You shoot in low light or indoors — a higher native ISO ceiling (102,400) and AF that focuses down to -7 EV give it the edge after dark.
- ✓You need backup-while-you-shoot reliability — dual card slots (the other has one) matter for paid work like weddings and events.
Choose the Sony a7C II if…
- ✓You're budget-conscious — it launched at $2,199, about $600 less, freeing money for lenses.
- ✓You value portability — at 514g (1.13 lb) it's noticeably lighter than the 670g (1.48 lb) alternative for travel and all-day carry.
Where they differ
- ›Burst: the Canon EOS R6 Mark III shoots 40fps to the Sony a7C II's 10fps — the gap that decides whether you nail the peak moment in sports and wildlife.
- ›Price: the Sony a7C II launched at $2,199, $600 under the Canon EOS R6 Mark III — money that could go toward glass.
- ›Card slots: the Canon EOS R6 Mark III has dual slots for instant backup — the reliability paid work depends on.
- ›Weight: the Sony a7C II is 514g (1.13 lb) vs 670g (1.48 lb) — 156g you'll feel on a long day out.
Frequently asked
Is the Canon EOS R6 Mark III or the Sony a7C II better?
These two are closely matched. The differences below are where they diverge — weigh the ones that map to how you actually shoot, and let price and handling break the tie.
Who should choose the Canon EOS R6 Mark III?
Choose the Canon EOS R6 Mark III if you shoot action, sports or wildlife — 40fps burst and 1,053 phase-detect points keeps up with fast, erratic movement where 10fps would drop frames. Choose it if you shoot video seriously — it brings smoother 120p 4K vs 60p. Choose it if you shoot in low light or indoors — a higher native ISO ceiling (102,400) and AF that focuses down to -7 EV give it the edge after dark. Choose it if you need backup-while-you-shoot reliability — dual card slots (the other has one) matter for paid work like weddings and events.
Who should choose the Sony a7C II?
Choose the Sony a7C II if you're budget-conscious — it launched at $2,199, about $600 less, freeing money for lenses. Choose it if you value portability — at 514g (1.13 lb) it's noticeably lighter than the 670g (1.48 lb) alternative for travel and all-day carry.
What is the main difference between the Canon EOS R6 Mark III and the Sony a7C II?
Burst: the Canon EOS R6 Mark III shoots 40fps to the Sony a7C II's 10fps — the gap that decides whether you nail the peak moment in sports and wildlife.
| Product | ||
|---|---|---|
| Imaging | ||
| Sensor Type | BSI Stacked CMOS | BSI CMOS |
| Sensor Size | Full-Frame | Full-Frame |
| Image Processor | DIGIC X | BIONZ XR |
| Effective Resolution | 32.5 MP | 33 MP |
| Lens Mount | Canon RF | Sony E |
| Exposure Control | ||
| ISO Range (Native) | 100 – 102400 | 100 – 51200 |
| ISO Range (Extended) | 50 – 204800 | 50 – 204800 |
| Mechanical Shutter | 1/8000 | 1/4000 |
| Electronic Shutter | 1/32000 | 1/8000 |
| Flash Sync Speed | 1/250 | 1/160 |
| Built-in Flash | No | No |
| Still Image Capture | ||
| Continuous Shooting | 40 fps | 10 fps |
| Video Capture | ||
| Max Resolution | 7K | 4K |
| 8K Recording | − | − |
| 4K Recording | Up to 120p | Up to 60p |
| 1080p Recording | Up to 180p | Up to 120p |
| 10-bit Internal | Yes | Yes |
| Recording Limit | No limit | No limit |
| Log Profiles | C-Log 2 / C-Log 3 / HLG / HDR-PQ | S-Log3 / HLG / S-Cinetone |
| Built-in Mic | Stereo | Stereo |
| Headphone Jack | Yes | Yes |
| Mic Input | Yes | Yes |
| HDMI Output | Full-size (Type A) | Micro (Type D) |
| Focus | ||
| Phase Detect Points | 1,053 | 759 |
| Contrast Detect Points | − | − |
| Low Light AF | -7 EV | -4 EV |
| Eye AF | Yes | Yes |
| Animal AF | Yes | Yes |
| Vehicle AF | Yes | Yes |
| Viewfinder | ||
| EVF Type | OLED | OLED |
| EVF Resolution | 5.76M dots | 2.36M dots |
| EVF Magnification | 0.76x | 0.7x |
| Monitor | ||
| LCD Size | 3.2" | 3" |
| LCD Resolution | 2.10M dots | 1.04M dots |
| LCD Type | Vari-Angle | Vari-Angle |
| Touch Screen | Yes | Yes |
| Interface | ||
| Wi-Fi | Wi-Fi 6E | Wi-Fi 5 |
| Bluetooth | v5.3 | v5 |
| USB | USB-C 3.2 | USB-C 3.2 |
| Memory Card Slots | 2x SD UHS-II | 1x SD UHS-II |
| GPS | No | No |
| General | ||
| Price (MSRP) | $2,799 | $2,199 |
| Body Material | Magnesium Alloy | Magnesium Alloy |
| Dimensions | 138.4×98.4×88.4 mm | 124×71.1×63.4 mm |
| Weight | 670g (1.48 lb) | 514g (1.13 lb) |
| Weather Sealed | Yes | Yes |
| In-Body Stabilization | Yes | Yes |
| Battery Life (EVF) | 520 shots | 530 shots |
| Battery Life (LCD) | 760 shots | 560 shots |
| Battery Type | LP-E6P | NP-FZ100 |
