Fujifilm X-T4vs Pentax K-3 Mark IIIvs Sony A7R V

GearFrame · Updated March 2026

Fujifilm Fujifilm X-T4 Fujifilm Fujifilm X-T4 (2020) From £999 Best for Hybrid shooters & enthusiasts View Fujifilm X-T4
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
VS
Sony Sony A7R V Sony Sony A7R V (2022) From £3899 Best for Landscape, studio & commercial View Sony A7R V

Which should you buy?

Hybrid Shooters & Enthusiasts — Fujifilm X-T4 (2020): The X-T series reached hybrid maturity with the X-T4 — IBIS, 4K/60p, and Fujifilm colour science in the most complete X-T package.

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.

Landscape, Studio & Commercial — Sony A7R V (2022): 61 megapixels and 8-stop IBIS in a weather-sealed body — the reference resolution camera for commercial and landscape professionals.

↓ Full specifications below

Fujifilm X-T4 (2020)

  • You want a capable hybrid camera for both stills and video shooting
  • You're considering a mirrorless upgrade from a DSLR
  • Note: the X-T5 offers better resolution for stills — consider it if video is secondary

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

Sony A7R V (2022)

  • You need the highest resolution in Sony's full-frame mirrorless lineup
  • You shoot landscape, architecture, product photography, or high-end fashion professionally
  • You want exceptional resolution paired with Sony's best-in-class autofocus system

Quick take: The sony a7r v has the highest resolution at 61mp; the fujifilm x-t4 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Fujifilm X-T4 (2020)Pentax K-3 Mark III (2021)Sony A7R V (2022)
Price £999 £1,699 £3,899
Sensor 26.1MP APS-C X-Trans CMOS IV 25.7MP APS-C BSI CMOS (AA-filterless) 61MP full-frame BSI CMOS
Resolution 26.1MP 25.7MP 61.0MP
Video 4K/60p, 1080p/240p, F-Log 4K/30p, 1080p/60p 8K/25p, 4K/60p
Autofocus Hybrid phase/contrast AF with face/eye detection SAFOX 13 phase-detect, 101-point (25 cross-type) AI subject recognition AF, 693-point phase-detect
Stabilisation 6.5-stop IBIS 5.5-stop 5-axis IBIS (Shake Reduction III) 8-stop IBIS
Burst Rate 15fps mechanical / 30fps electronic 12fps 10fps mechanical / 7fps electronic
Battery Life 600 shots (CIPA) 800 shots (CIPA) 530 shots (CIPA)
Weight 607g body only 820g body only 723g body only
Dimensions 134.6 × 92.8 × 63.8mm 134.5 × 103.5 × 73.5mm 131.3 × 96.4 × 82.4mm
Weather Sealed Yes Yes Yes
Viewfinder 0.5" OLED EVF, 3.69M dots, 100fps Optical pentaprism, 100% coverage, 1.05× magnification 0.64" Quad-XGA OLED EVF, 9.44M dots
Screen 3.0" fully articulating touchscreen 3.2" tilting touchscreen 3.2" multi-angle touchscreen
Mount Fujifilm X-mount Pentax KF-mount Sony FE (E-mount)
Memory Cards Dual SD UHS-I Dual SD UHS-II Dual CFexpress Type A / SD UHS-II
Connectivity USB-C, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3
⚡ Compare specs side by side Fujifilm X-T4 prices → Pentax K-3 Mark III prices → Sony A7R V prices →

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