Street & Documentary Photography With A Distinctive Aesthetic — GR IIIx HDF (2024): The GR IIIx with a built-in dream filter — for photographers who want the GR's legendary APS-C quality with an added layer of analogue magic.
High-Resolution Creative & Documentary Shooters — Sigma fp L (2021): 61MP and phase-detect AF in the world's smallest full-frame body — the fp L is the most capable iteration of Sigma's extraordinary compact.
Who should buy what
GR IIIx HDF (2024)
Sigma fp L (2021)
Quick take: The sigma fp l has the highest resolution at 61mp; the gr iiix hdf is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | GR IIIx HDF (2024) | Sigma fp L (2021) |
|---|---|---|
| Price | £999 | £1,999 |
| Sensor | 24.2MP APS-C CMOS | 61MP full-frame BSI CMOS |
| Resolution | 24.2MP | 61.0MP |
| Video | 1920 × 1080 / 60fps | 12-bit Cinema DNG RAW, 4K/24p |
| Autofocus | Phase/contrast hybrid CDAF with Snap Focus | Phase-detect AF with face/eye detection |
| Stabilisation | 3-axis Shake Reduction (SR) — 4 stops | None (lens-based only) |
| Burst Rate | 4fps continuous | 18fps electronic |
| Battery Life | ~200 shots (CIPA) | 200 shots (CIPA) |
| Weight | 262g body only | 427g body only |
| Dimensions | 122.5 × 69.5 × 35.2mm | 112.6 × 69.9 × 45.3mm |
| Weather Sealed | No | No |
| Viewfinder | None — rear LCD only | None (optional clip-on EVF available) |
| Screen | 3.0" fixed LCD touchscreen, 1.037M dots | 3.15" fixed touchscreen |
| Mount | Fixed GR Lens 26.1mm f/2.8 (40mm equivalent) | Leica L-mount |
| Memory Cards | Single SD/SDHC/SDXC slot | Single SD UHS-II |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C 3.1, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | GR IIIx HDF | Sigma fp L |
|---|---|---|
| Street | ||
| Travel | ||
| Portrait | ||
| Landscape | ||
| Sports | — | |
| Wildlife | — | |
| Vlogging & Video | — | |
| Sports & Action | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
More comparisons with GR IIIx HDF
Camera family history