Generally, some of the advantages of the Canon 70D compared to boutique competitors include: it has a weather sealed body, shoots faster continuously (7 fps vs 5 fps), has a much longer battery life (920 shots vs 250 shots), has interchangeable lenses and has higher quality type of viewfinder (pentaprism vs digital).
However, on average it is slightly larger (professional size (145×106×79 mm) vs prosumer size (133×85×70 mm)), takes slightly lower resolution photos (20 MP vs 26 MP), significantly lower maximum light sensitivity (12,800 ISO vs 102,400 ISO), much less viewfinder coverage (98% vs 100%) and slightly smaller viewfinder (0.59x vs 0.70x).
Canon EOS RP
6 years newer
$1,299 - $1,699
Significant advantages of the EOS RP (vs the 70D)
- Many more focus points: 4,779 vs 19
- Smaller: Prosumer size (133×85×70 mm) vs Professional size (145×106×79 mm)
- Better maximum light sensitivity: 102,400 ISO vs 12,800 ISO
Significant disadvantages of the EOS RP (vs the 70D)
- Much shorter battery life: 250 shots vs 920 shots
- Built-in lens only
- No built-in flash
common strengths of the EOS RP and 70D
- Flip-out screens
- Both use faster phase detection autofocus: Phase detection vs Phase detection
- Have external mic jacks