Looking for an honest Olympus OM-D E-M10 Mark IV vs Ricoh GR IIIx comparison in 2026? We scored both cameras on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the Ricoh GR IIIx comes out ahead 39/100 to 44/100 — a 5-point gap. The widest gap is in battery life, where the Ricoh GR IIIx pulls noticeably ahead. On price the Olympus OM-D E-M10 Mark IV undercuts the Ricoh GR IIIx by 194% ($339.99 vs $999), which materially changes the value calculus for budget-conscious buyers.

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Ricoh GR IIIx narrowly beats the Olympus OM-D E-M10 Mark IV in the cameras category, especially in battery life, scoring 44 vs 39. If you want the better overall cameras, Ricoh GR IIIx is the recommended choice.
Picking Ricoh GR IIIx over Olympus OM-D E-M10 Mark IV means trading these off.
$340
Scores are relative within the camerascategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | Olympus OM-D E-M10 Mark IV | Ricoh GR IIIxW |
|---|---|---|
| Megapixels | 20.3MP | — |
| Video | 4K@30fps | — |
| Display | 3" | 3" |
| Viewfinder | Touchscreen | Touchscreen |
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 5 |
| Bluetooth | Bluetooth 4.2 | 5.0 |
| Weight | 408g | 250g✓ |
| Price | 339.99$✓ | 999$ |
Buy Olympus OM-D E-M10 Mark IV if…
Choose the Olympus OM-D E-M10 Mark IV if budget is your top priority — it offers competitive specs at a lower price point.
Buy Ricoh GR IIIx if…
Buy the Ricoh GR IIIx if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Ricoh GR IIIx narrowly beats the Olympus OM-D E-M10 Mark IV in the cameras category, especially in battery life, scoring 44 vs 39. If you want the better overall cameras, Ricoh GR IIIx is the recommended choice.
No, Ricoh GR IIIx scores higher (44 vs 39).
Olympus OM-D E-M10 Mark IV is cheaper at $339.99 vs $999 for the Ricoh GR IIIx.
Choose the Olympus OM-D E-M10 Mark IV if budget is your top priority — it offers competitive specs at a lower price point.
Buy the Ricoh GR IIIx if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Ricoh GR IIIx is lighter at 250g vs 408g.
Reviewed by VersusMatrix Editorial Team
Last updated: May 10, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.