
Sony a7 III
Score: 82/100
Canon EOS R100
Score: 73/100Rankings

The Sony a7 III is a full-frame mirrorless camera offering a 24.2 MP sensor, 693-point hybrid AF, 5-axis IBIS and solid 4K video, balancing high-resolution stills with professional-grade video capabilities.

The EOS R100 is an entry-level APS-C mirrorless camera that pairs a 24.1 MP sensor with the DIGIC 8 processor, delivering solid image quality, Dual Pixel AF and 4K video at 24 fps. Its lightweight body, good battery life and bundled lenses make it attractive for beginners, though the 4K crop and lack of a vari-angle screen limit flexibility.
| Attribute | ![]() | ![]() |
|---|---|---|
24.2 MPbest | 24.1 MP | |
710 shotsbest | 430 shots | |
204,800 ISObest | 25,600 ISO | |
| ↓ lower better | 663 g | 354 gbest |
693 pointsbest | 143 points | |
30 fpsbest | 24 fps | |
2,360,000 dotsbest | 2,360,000 dotsbest | |
3 inchesbest | 3 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Sensor & Image(4) | ||
Effective Megapixels (MP) | 24.2 MP | 24.1 MP |
Sensor Size | Full-frame | APS-C |
Image Processor | BIONZ X | DIGIC 8 |
Maximum ISO (ISO) | 204800 ISO | 25600 ISO |
Autofocus(2) | ||
Autofocus Points (points) | 693 points | 143 points |
Autofocus System | Hybrid | Dual Pixel CMOS AF |
Battery & Power(2) | ||
Battery Life (CIPA) (shots) | 710 shots | 430 shots |
Weight (g) | 663 g | 354 g |
Video(1) | ||
4K Frame Rate (fps) | 30 fps | 24 fps |
Display(1) | ||
LCD Resolution (pixels) | 922000 pixels | 1040000 pixels |
Storage(1) | ||
Memory Card Slot Type | Dual SD | Single SD (UHS-I) |


Products in the top-left offer the best value (high score, low price).

Professional reviewers consider the a7 III a benchmark-setting full-frame camera, lauding its dynamic range, fast hybrid autofocus, effective stabilization and solid 4K video, while noting the crop in 4K and lack of 10-bit internal recording.
Everyday users praise the battery life, image quality and dual card slots, but complain about the 4K crop, menu complexity and limited touchscreen features.

Reviewers note the R100 offers a compelling mix of resolution, autofocus and video for its price, but caution that the 4K crop and single card slot may be limiting for more advanced users.

