Reasons to choose EOS 70D
Released in 2013, EOS 70D has about 338 mm² of sensor area, 20.2 MP effective resolution, and a 755 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon EOS 70D
vs Canon EOS Rebel T6i
VS
Sensor area
338 mm²
EOS 70D332 mm²
EOS Rebel T6i- Area ratio
- 1.02:1
- Absolute difference
- 5 mm²
- Relative difference
- 1.6%
The EOS 70D has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
These cameras were released 2 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
EOS 70DMetricEOS Rebel T6i
20.2 MPEffective pixels24.2 MP
22.5 × 15Sensor22.3 × 14.9
4.09 µmPixel pitch3.71 µm
16.71 µm²Pixel area13.73 µm²
5.99 MP/cm²Pixel density7.28 MP/cm²
1.6Crop factor1.61
1,920 × 1,080Maximum video1,920 × 1,080
755 gWeight555 g
SD/SDHC/SDXCStorageSD/SDHC/SDXC
Rechargeable Li-ion Battery LP-E6 Li-ion batteryBatteryLP-E17 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 70D has the larger sensor area. The EOS Rebel T6i has the lighter body. The EOS Rebel T6i has the higher effective resolution. The EOS Rebel T6i is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose EOS Rebel T6i
Released in 2015, EOS Rebel T6i has about 332 mm² of sensor area, 24.2 MP effective resolution, and a 555 g body. Use these values to narrow the field, not as an overall image-quality score.