Decision tools · Compare

EOS R5 vs A6100

Quick take: The EOS R5 has the highest resolution at 45MP; the A6100 is the most affordable; only the EOS R5 is weather sealed.

16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras

How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.

Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more

Verdictwhich should you buy?

EOS R5 — Professional Hybrid Shooters, Portrait & Wildlife: A landmark camera — 8K video and 45MP in one body set the standard for what mirrorless could be.

A6100 — Beginner, Family, Travel: Best autofocus in its class for the price.

Who should buy what
EOS R5 (2020)
is the right camera for you if…
  • Professional photographers who need both resolution and video in one body
  • Wildlife and sports photographers who want top AF with 20fps burst
  • Hybrid shooters who need 8K or 4K/120p alongside high-resolution stills
  • R5 Mark II buyers on a budget — the R5 still delivers exceptional results
A6100 (2019)
is the right camera for you if…
  • First-time mirrorless buyers who want solid AF
  • Families stepping up from a smartphone
Full specificationsthe better value in each row is highlighted
Specification EOS R5Canon · 2020A6100Sony · 2019
Price £2,449£649Best
Sensor 45MP Full-Frame CMOSAPS-C Exmor CMOS
Resolution 45.0MPBest24.2MP
Video 8K RAW/30p, 4K/120p, 1080p/120p4K 30fps
Autofocus Dual Pixel CMOS AF II — 1053 AF zones, subject/animal detection425-point phase-detect, real-time tracking
Stabilisation IBIS — up to 8 stops combined with IS lensesNo stabilisation
Burst Rate 12fps mechanical, 20fps electronicBest11fps
Battery Life ~320 shots (CIPA)420 shots (CIPA)Best
Weight 650g (body only)396g (body only)Best
Dimensions 138.5 × 97.5 × 88mm119.9 × 66.9 × 59.4mm
Weather Sealed YesBestNot weather sealed
Viewfinder EVF, 5.76M dots, 0.76× magnificationEVF 0.39" 1.44M-dot
Screen 3.15" fully articulating touchscreen3.0" tilting touchscreen, 921k-dot
Mount Canon RF mountSony E-Mount
Memory Cards CFexpress Type B + SD UHS-IISD UHS-I / Memory Stick
Connectivity USB-C, Wi-Fi, Bluetooth, HDMIWi-Fi, Bluetooth 4.1, Micro USB, Micro HDMI

Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.

How they score by genreengine base scores out of 10
Genre
EOS R5
A6100
Portrait
8.2/10
6.7/10
Street
6.2/10
7.3/10
Travel
6.1/10
6.4/10
Wedding & Events
7.6/10
5.1/10
Vlogging & Video
5.8/10
6.2/10
Filmmaking
7.2/10
4.9/10
Documentary
7.3/10
5.2/10
Sports & Action
7.5/10
6.5/10
Landscape
7.5/10
4.9/10
Wildlife
7.8/10
6.9/10
Casual
5.0/10
6.4/10
Food
7.8/10
6.2/10
Macro
7.6/10
5.2/10
Architecture
8.0/10
5.5/10
Astrophotography
6.0/10
6.0/10

Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →

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