
Olympus
$340

Sony
$680
Olympus OM-D E-M10 Mark IV 20.3MP Mirrorless Camera - Black (Body Only) and Sony Alpha a7 III Mirrorless Digital Camera - Black (Body Only) are closely matched cameras devices with nearly identical overall scores (3.8 vs 3.7). The best choice depends on which specific features matter most to you.
Scores are relative within the camerascategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
| Spec | Olympus OM-D E-M10 Mark IV 20.3MP Mirrorless Camera - Black (Body Only) | Sony Alpha a7 III Mirrorless Digital Camera - Black (Body Only) |
|---|---|---|
| Megapixels | 20.3MP | 24.2MP✓ |
| Video | 4K@30fps | — |
| Display | 3" | 3" |
| Wi-Fi | Wi-Fi 5 (802.11ac) | — |
| Bluetooth | Bluetooth 4.2 | — |
| Weight | 408g✓ | 650g |
| Price | 339.99$✓ | 679.85$ |
Buy Olympus OM-D E-M10 Mark IV 20.3MP Mirrorless Camera - Black (Body Only) if…
Choose the Olympus OM-D E-M10 Mark IV 20.3MP Mirrorless Camera - Black (Body Only) if budget is your top priority — it offers competitive specs at a lower price point.
Buy Sony Alpha a7 III Mirrorless Digital Camera - Black (Body Only) if…
The Sony Alpha a7 III Mirrorless Digital Camera - Black (Body Only) is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Who do you think wins this matchup?
Olympus OM-D E-M10 Mark IV 20.3MP Mirrorless Camera - Black (Body Only) and Sony Alpha a7 III Mirrorless Digital Camera - Black (Body Only) are closely matched cameras devices with nearly identical overall scores (3.8 vs 3.7). The best choice depends on which specific features matter most to you.
Both products score similarly — it depends on your priorities.
Olympus OM-D E-M10 Mark IV 20.3MP Mirrorless Camera - Black (Body Only) is cheaper at $339.99 vs $679.85 for the Sony Alpha a7 III Mirrorless Digital Camera - Black (Body Only).
Choose the Olympus OM-D E-M10 Mark IV 20.3MP Mirrorless Camera - Black (Body Only) if budget is your top priority — it offers competitive specs at a lower price point.
The Sony Alpha a7 III Mirrorless Digital Camera - Black (Body Only) is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Sony Alpha a7 III Mirrorless Digital Camera - Black (Body Only) has a larger battery (2,280mAh vs 1,210mAh for the Olympus OM-D E-M10 Mark IV 20.3MP Mirrorless Camera - Black (Body Only)), which generally means longer use between charges.
Sony Alpha a7 III Mirrorless Digital Camera - Black (Body Only) has a higher-resolution main camera (24.2MP vs 20.3MP). Note that megapixels are one factor — sensor quality and processing also matter.
Olympus OM-D E-M10 Mark IV 20.3MP Mirrorless Camera - Black (Body Only) is lighter at 408g vs 650g.