EOS R8vs Fujifilm X-T4vs Pentax K-3 Mark III

GearFrame · Updated March 2026

Canon EOS R8 Canon EOS R8 (2023) From £1099 Best for Full-frame entry View EOS R8
VS
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

Which should you buy?

Full-Frame Entry — EOS R8 (2023): Canon's most affordable full-frame mirrorless — 4K/60p 10-bit and class-leading Dual Pixel AF at an accessible entry price.

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.

↓ Full specifications below

EOS R8 (2023)

  • You want full-frame image quality on a tight budget
  • You shoot mainly in good light and can live without built-in stabilisation
  • You primarily shoot stills with occasional video

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

Quick take: The fujifilm x-t4 has the highest resolution at 26mp; the fujifilm x-t4 is the most affordable; only the fujifilm x-t4, pentax k-3 mark iii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification EOS R8 (2023)Fujifilm X-T4 (2020)Pentax K-3 Mark III (2021)
Price £1,099 £999 £1,699
Sensor 24.2MP Full-frame BSI CMOS 26.1MP APS-C X-Trans CMOS IV 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 24.2MP 26.1MP 25.7MP
Video 4K/60p oversampled 10-bit, FHD/180p 4K/60p, 1080p/240p, F-Log 4K/30p, 1080p/60p
Autofocus Dual Pixel CMOS AF II, 1053 zones, eye/face/subject tracking Hybrid phase/contrast AF with face/eye detection SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation None (no IBIS) 6.5-stop IBIS 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 6fps mechanical, 40fps electronic 15fps mechanical / 30fps electronic 12fps
Battery Life ~220 shots (CIPA) 600 shots (CIPA) 800 shots (CIPA)
Weight 461g body only 607g body only 820g body only
Dimensions 132.5 × 86.1 × 70.0mm 134.6 × 92.8 × 63.8mm 134.5 × 103.5 × 73.5mm
Weather Sealed No Yes Yes
Viewfinder EVF, 2.36M dots, 0.59× 0.5" OLED EVF, 3.69M dots, 100fps Optical pentaprism, 100% coverage, 1.05× magnification
Screen 3.0" fully articulating touchscreen 3.0" fully articulating touchscreen 3.2" tilting touchscreen
Mount Canon RF mount (full-frame) Fujifilm X-mount Pentax KF-mount
Memory Cards Single SD UHS-II slot Dual SD UHS-I Dual SD UHS-II
Connectivity USB-C, Bluetooth, Wi-Fi USB-C, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side EOS R8 prices → Fujifilm X-T4 prices → Pentax K-3 Mark III prices →

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