Fujifilm X100VIvs OM-D E-M10 IVvs Pentax K-3 Mark III

GearFrame · Updated March 2026

Fujifilm Fujifilm X100VI Fujifilm Fujifilm X100VI (2024) From £1499 Best for Street, travel & everyday View Fujifilm X100VI
VS
Olympus OM-D E-M10 IV Olympus OM-D E-M10 IV (2020) From £469 Best for Travel & everyday View OM-D E-M10 IV
VS
Pentax Pentax K-3 Mark III Pentax Pentax K-3 Mark III (2021) From £1699 Best for DSLR enthusiasts & outdoor photographers View Pentax K-3 Mark III

Which should you buy?

Street, Travel & Everyday — Fujifilm X100VI (2024): The best fixed-lens camera ever made — 40MP, 7-stop IBIS, film simulations, and a design icon. Wildly oversubscribed for good reason.

Travel & Everyday — OM-D E-M10 IV (2020): Compact Micro Four Thirds body with built-in IBIS — ideal for travellers who want stability without bulk.

Dslr Enthusiasts & Outdoor Photographers — Pentax K-3 Mark III (2021): The finest APS-C DSLR ever made — class-leading weather sealing, optical viewfinder, 5-axis IBIS, and extraordinary build for photographers committed to DSLR.

↓ Full specifications below

Fujifilm X100VI (2024)

  • You want a single camera for travel, street, and everyday shooting
  • You love the aesthetic of film simulations and analogue rendering
  • You want the best compact camera that you'll actually carry with you everywhere

OM-D E-M10 IV (2020)

  • You're new to mirrorless and want a small, uncomplicated first camera to learn on
  • You want excellent in-body stabilisation to steady handheld video and shake-prone shooting
  • You're drawn to the Micro Four Thirds ecosystem and want to start at the entry level

Pentax K-3 Mark III (2021)

  • You're a committed DSLR photographer with significant investment in Pentax glass
  • You shoot in extreme weather conditions and place build quality and reliability above everything
  • You prefer optical viewfinder performance and want the best modern APS-C DSLR available

Quick take: The fujifilm x100vi has the highest resolution at 40mp; the om-d e-m10 iv is the most affordable; only the fujifilm x100vi, pentax k-3 mark iii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Fujifilm X100VI (2024)OM-D E-M10 IV (2020)Pentax K-3 Mark III (2021)
Price £1,499 £469 £1,699
Sensor 40.2MP APS-C X-Trans CMOS 5 HR 20.3MP Micro Four Thirds Live MOS 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 40.2MP 20.3MP 25.7MP
Video 6.2K/30p, 4K/60p, F-Log2 10-bit internal 4K/30p, 1080p/60p 4K/30p, 1080p/60p
Autofocus Phase-detect 425 points, subject/eye tracking Phase-detect + contrast detect, 121 points SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation 7-stop IBIS 5-axis IBIS, 4.5 stops 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 8fps mechanical, 25fps electronic 15fps 12fps
Battery Life ~450 shots (CIPA) ~360 shots (CIPA) 800 shots (CIPA)
Weight 533g with battery and card 383g body only 820g body only
Dimensions 128.0 × 74.8 × 55.3mm 121.4 × 83.6 × 49.0mm 134.5 × 103.5 × 73.5mm
Weather Sealed Yes No Yes
Viewfinder Optical/EVF hybrid, 3.69M dots EVF, 2.36M dots, 0.46× magnification Optical pentaprism, 100% coverage, 1.05× magnification
Screen 3.0" tilting touchscreen 3.0" tilting touchscreen 3.2" tilting touchscreen
Mount Fixed Fujinon 23mm f/2 (35mm equiv) Micro Four Thirds Pentax KF-mount
Memory Cards Single SD UHS-I slot Single SD UHS-I slot Dual SD UHS-II
Connectivity USB-C, Bluetooth, Wi-Fi USB Micro-B, Bluetooth, Wi-Fi, micro HDMI USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side Fujifilm X100VI prices → OM-D E-M10 IV prices → Pentax K-3 Mark III prices →

Compare pairs from this group