Generally, some of the advantages of the Olympus X-875 compared to mirrorless interchangeable-lens competitors include: it is slightly smaller (super compact (94×56×21 mm) vs standard size (127×94×48 mm)), is thinner (0.8" vs 1.9"), is significantly lighter (138 g vs 417 g) and has a built-in flash.
However, on average it records lower quality movies (480p @ 15fps vs 1080p @ 60fps), has a much smaller screen (2.5" vs 3"), has a much lower resolution screen (154k dots vs 1,229k dots), doesn't have a viewfinder (none vs digital) and takes much lower resolution photos (8 MP vs 24 MP).
Sony A7
5 years newer
$798 (body only)
$965 - $998 28-70mm lens
Significant advantages of the A7 (vs the X-875)
- Much larger screen: 3" vs 2.5"
- Much higher resolution screen: 1,229k dots vs 154k dots
- Supports 24p
Significant disadvantages of the A7 (vs the X-875)
- Larger: Standard size (127×94×48 mm) vs Super compact (94×56×21 mm)
- Significantly heavier: 417 g vs 138 g
- Significantly thicker: 1.9" vs 0.8"
common strengths of the A7 and X-875
- Thin: 1.9" vs 0.8"
- Light weight: 417 g vs 138 g