X-A7vs Olympus OM-D E-M5 IIIvs Sony A9 III
OM System
Olympus OM-D E-M5 III (2019)
From £699
Best for Travel & lightweight outdoor photography
View Olympus OM-D E-M5 III
Which should you buy?
Beginner Fujifilm — X-A7 (2019): The most affordable X-mount entry — Fujifilm colour and film simulations with a large flip screen for beginners.
Travel & Lightweight Outdoor Photography — Olympus OM-D E-M5 III (2019): The lightest weather-sealed MFT camera — compact, travel-friendly, and capable with 7.5-stop IBIS in a body that fits in a jacket pocket.
Sports & Action Professionals — Sony A9 III (2023): A paradigm-shifting camera — the global shutter eliminates every rolling shutter limitation that has constrained action photography for years.
Who should buy what
X-A7 (2019)
- You want an affordable first mirrorless with decent video capabilities
- You shoot a lot of selfie-style content or vlog on a budget
- Note: no viewfinder and limited lens support — the X-T30 II is a better long-term investment
Olympus OM-D E-M5 III (2019)
- You want a lightweight, sealed camera for travel and outdoor photography
- You're new to Micro Four Thirds and want a capable mid-range body with excellent stabilisation
- Note: consider the newer OM-5 for updated specs in a similar compact form factor
Sony A9 III (2023)
- You shoot professional sport, motorsport, or action and need zero rolling shutter distortion
- You need reliable high-speed flash sync for studio or on-location action work
- You want the absolute pinnacle of Sony's action and sports camera technology
Quick take: The sony a9 iii has the highest resolution at 25mp; the x-a7 is the most affordable; only the olympus om-d e-m5 iii, sony a9 iii are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | X-A7 (2019) | Olympus OM-D E-M5 III (2019) | Sony A9 III (2023) |
|---|---|---|---|
| Price | £399 | £699 | £5,999 |
| Sensor | 24.2MP APS-C CMOS (Bayer, not X-Trans) | 20.4MP Micro Four Thirds Live MOS | 24.6MP full-frame Exmor RS CMOS (global shutter) |
| Resolution | 24.2MP | 20.4MP | 24.6MP |
| Video | 4K/30p, 1080p/60p | 4K/30p, 1080p/120p | 4K/120p, 4K/60p, 1080p/240p |
| Autofocus | Phase-detect + contrast, 425 points | Hybrid phase/contrast AF with face/eye detection | AI subject recognition AF, 759-point phase-detect |
| Stabilisation | None (no IBIS) | 7.5-stop 5-axis IBIS | 8-stop IBIS |
| Burst Rate | 6fps | 30fps electronic / 10fps mechanical | 120fps blackout-free electronic |
| Battery Life | ~440 shots (CIPA) | 390 shots (CIPA) | 530 shots (CIPA) |
| Weight | 320g body only | 414g body only | 703g body only |
| Dimensions | 118.0 × 80.6 × 55.2mm | 125.3 × 85.2 × 49.7mm | 136.1 × 96.9 × 82.9mm |
| Weather Sealed | No | Yes | Yes |
| Viewfinder | None | 0.35" OLED EVF, 2.36M dots | 0.64" Quad-XGA OLED EVF, 9.44M dots |
| Screen | 3.5" fully articulating touchscreen | 3.0" fully articulating touchscreen | 3.2" fully articulating touchscreen |
| Mount | Fujifilm X-mount | Micro Four Thirds | Sony FE (E-mount) |
| Memory Cards | Single SD UHS-I slot | Single SD UHS-I | Dual CFexpress Type A / SD UHS-II |
| Connectivity | USB Micro-B, Bluetooth, Wi-Fi, micro HDMI | Micro USB, Wi-Fi, Bluetooth | USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3 |
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