Head to head · specs cited · drawn to scale
Ricoh GR III vs Sony A6100
Every spec below is quoted from the makers' official pages — where a figure isn't published we say so rather than guess. Sizes are drawn at true relative scale from published dimensions, and the bag-fit row is computed against our measured bag catalog.
The 3 biggest published differences
- Battery life (CIPA): the A6100 leads at Approx. 380 shots (Viewfinder) / Approx. 420 shots (LCD monitor) vs the GR III's Approx. 200 images (CIPA standard).
- Weight (body): the GR III leads at 257 g vs the A6100's 396 g.
- Format: GR III has APS-C 23.5mm x 15.6mm; A6100 has APS-C.
 GR III fixed |  A6100 Sony E | |
|---|---|---|
| Overview | ||
| Type | Mirrorless | Mirrorless |
| Format | APS-C 23.5mm x 15.6mm | APS-C |
| Lens mount | fixed | Sony E |
| Released | —, not published | —, not published |
| Sensor & Image | ||
| Sensor type | Primary color filter CMOS (anti-aliasing filterless) | APS-C type (23.5 x 15.6mm), Exmor CMOS sensor |
| Sensor size | APS-C 23.5mm x 15.6mm | APS-C |
| Resolution (MP) | Approx. 24.24 megapixels (effective) | 24.2 |
| In-body stabilisation | Sensor-shift shake reduction (SR) (3-axis); 4 steps (CIPA standard) | none |
| ISO range | ISO 100-102400 | 100 |
| Autofocus & Speed | ||
| AF system | Hybrid AF (Image plane phase-matching and Contrast detection) | Fast Hybrid AF (phase-detection AF/contrast-detection AF) |
| Subject detection | Auto-area, Zone, Select, Pinpoint, Tracking, Continuous, MF, Snap, infinity | 425 points (phase-detection AF) / 425 points (contrast-detection AF); Eye AF Still images (Human Right/Left Eye Select) |
| Burst — mechanical | —, not published | 11 |
| Burst — electronic | —, not published | —, not published |
| Video | ||
| Max video | Full HD (1920x1080, 60p/30p/24p) | 4K (3840 x 2160) up to 30p |
| Codecs / sampling | MPEG4 AVC/H.264 (MOV) | XAVC S, AVCHD |
| Recording limit | Up to 25 minutes or 4GB | —, not published |
| Viewfinder & Screen | ||
| EVF resolution | none (no EVF) | 1,440,000 dots |
| EVF magnification | none (no EVF) | Approx. 1.07x (35mm camera equivalent: Approx. 0.70x) with 50mm lens at infinity, -1m-1 |
| Rear screen | 3.0 inch TFT color LCD touchscreen, approx. 1037K dots (fixed) | 7.5cm (3.0-type) wide type TFT, 921,600 dots |
| Body & Handling | ||
| Dimensions (W×H×D) | 109.4 × 61.9 × 33.2 mm | 120 × 66.9 × 59.4 mm |
| Weight (body) | 257 g | 396 g |
| Weather sealing | —, not published | —, not published |
| Shutter durability | —, not published | —, not published |
| Power & Storage | ||
| Battery life (CIPA) | Approx. 200 images (CIPA standard) | Approx. 380 shots (Viewfinder) / Approx. 420 shots (LCD monitor) |
| Battery | Rechargeable Battery DB-110 | NP-FW50 |
| Card slots | Internal Memory (Approx. 2GB), SD/SDHC/SDXC Memory Card | 1 (Multi slot for Memory Stick Duo/SD memory card) |
| Connectivity | ||
| USB | USB Type-C | Multi/Micro USB Terminal |
| Wireless | Wi-Fi IEEE 802.11b/g/n; Bluetooth v4.2 BLE | Wi-Fi IEEE 802.11b/g/n (2.4GHz band), Bluetooth Standard Ver. 4.1 (2.4GHz band) |
| HDMI | —, not published | HDMI micro connector (Type-D) |
| Price | ||
| Launch price | —, not published | —, not published |
| Size, to scale | ||
Front view, drawn at the same scale from each maker's published W×H (mm). | ||
| Smallest bag that fits | ||
| Body + standard zoom | Think Tank Mirrorless Mover 20 V2 Fits body only · View at B&H Photo Video | Tenba BYOB 9 Camera Insert Fits with 24-105 f/4 · View at B&H Photo Video |
Sources
“Primary color filter CMOS, 23.5mm x 15.6mm, Approx. 24.24 effective megapixels; Sensor-shift shake reduction (SR)(3-axis), 4 steps; Hybrid AF (Image plane phase-matching and Contrast detection); Full HD (1920x1080, 60p/30p/24p), MPEG4 AVC/H.264 (MOV); Rechargeable Battery DB-110; USB Type-C”
“Number Of Pixels (Effective): Approx. 24.2 megapixels. Continuous Drive Speed (approx. max.): Continuous shooting: Hi+: 11 fps, Hi: 8 fps, Mid: 6 fps, Lo: 3 fps. Image Stabilization Type: Not supported (image stabilisation supported on lens).”
Spec values are the manufacturers' published figures, compared factually — we don't rank cameras. Fit verdicts are planning estimates from published interior dimensions, not guarantees. See methodology.
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