Reasons to choose EOS 77D
Released in 2017, EOS 77D has about 332 mm² of sensor area, 24.2 MP effective resolution, and a 540 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon EOS 77D
vs Olympus OM-D E-M10 III
VS
Sensor area
332 mm²
EOS 77D225 mm²
OM-D E-M10 III- Area ratio
- 1.48:1
- Absolute difference
- 107 mm²
- Relative difference
- 47.7%
The EOS 77D has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
Key specification differences
EOS 77DMetricOM-D E-M10 III
24.2 MPEffective pixels16.1 MP
22.3 × 14.9Sensor17.3 × 13
3.71 µmPixel pitch3.74 µm
13.73 µm²Pixel area13.97 µm²
7.28 MP/cm²Pixel density7.16 MP/cm²
1.61Crop factor2
1,920 × 1,080Maximum video3,840 × 2,160
540 gWeight410 g
SD/SDHC/SDXCStorageSD/SDHC/SDXC
LP-E17 lithium-ion battery Li-ion batteryBatteryBLS-50 lithium-ion battery Li-ion battery
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
How to choose between these cameras
The EOS 77D has the larger sensor area. The OM-D E-M10 III has the lighter body. The EOS 77D has the higher effective resolution. The EOS 77D and OM-D E-M10 III were both released in 2017. Also consider the lens system and subjects you shoot.
Reasons to choose OM-D E-M10 III
Released in 2017, OM-D E-M10 III has about 225 mm² of sensor area, 16.1 MP effective resolution, and a 410 g body. Use these values to narrow the field, not as an overall image-quality score.