Reasons to choose EOS M3
Released in 2015, EOS M3 has about 332 mm² of sensor area, 24.2 MP effective resolution, and a 366 g body. Use these values to narrow the field, not as an overall image-quality score.


The D5300 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.
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
The D5300 has the larger sensor area. The EOS M3 has the lighter body. The EOS M3 and D5300 have the same effective resolution. The EOS M3 is the newer release. Also consider the lens system and subjects you shoot.
Released in 2015, EOS M3 has about 332 mm² of sensor area, 24.2 MP effective resolution, and a 366 g body. Use these values to narrow the field, not as an overall image-quality score.
Released in 2013, D5300 has about 367 mm² of sensor area, 24.2 MP effective resolution, and a 530 g body. Use these values to narrow the field, not as an overall image-quality score.