Decision tools · Compare
EOS 5D Mark IV vs A5100
Quick take: The EOS 5D Mark IV has the highest resolution at 30MP; the A5100 is the most affordable; only the EOS 5D Mark IV is weather sealed.
16 specs side by side·16 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.
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Verdictwhich should you buy?
A5100 — Casual & Travel: The A5100 is one of the smallest APS-C mirrorless cameras ever made. Its 24MP sensor, phase-detect AF, and selfie-friendly flip screen pack remarkable capability into a shirt-pocket-sized body. No EVF or hot shoe limits it for serious use, but as a compact travel camera or beginner's first mirrorless, it punches well above its price on the used market.
Who should buy what
A5100 (2014)
is the right camera for you if…
- Beginners stepping up from a smartphone
- Compact travel photographers
- Casual vloggers who want APS-C quality
Full specificationsthe better value in each row is highlighted
| Specification | EOS 5D Mark IVCanon · 2016 | A5100Sony · 2014 |
|---|---|---|
| Price | £446 | £200Best |
| Sensor | 30.4MP full-frame CMOS | 24.3MP APS-C Exmor CMOS |
| Resolution | 30.4MPBest | 24.3MP |
| Video | 4K (4096×2160) /30p Motion JPEG (1.64× crop), 1080p/60, 720p/120 | 1080p/60p |
| Autofocus | 61-point phase-detect (41 cross-type) via viewfinder; Dual Pixel CMOS AF with face tracking in live view | Hybrid phase-detect / contrast-detect AF, face detection |
| Stabilisation | No IBIS (lens-based stabilisation only) | No stabilisation |
| Burst Rate | 7fpsBest | 6fps |
| Battery Life | ~900 shots (CIPA)Best | ~400 shots (CIPA) |
| Weight | 890g (with battery) | 224g (body only)Best |
| Dimensions | 150.7 × 116.4 × 75.9mm | 109.6 × 62.8 × 35.7mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | Optical pentaprism, 100% coverage, 0.71x | No viewfinder |
| Screen | 3.2" fixed touchscreen, 1.62M dots | 3.0" flip-up touchscreen, 921k dots |
| Mount | Canon EF | Sony E-mount |
| Memory Cards | Dual slots: CompactFlash + SD | Single SD / MemoryStick PRO Duo slot |
| Connectivity | USB 3.0, mini HDMI, Wi-Fi, NFC, GPS, 3.5mm mic & headphone jacks, N3 remote | Micro USB, Wi-Fi, NFC |
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 5D Mark IV
A5100
Portrait
6.3/10
5.4/10
Street
4.8/10
7.0/10
Travel
4.9/10
6.4/10
Wedding & Events
6.7/10
3.5/10
Filmmaking
5.5/10
—
Documentary
5.8/10
4.1/10
Sports & Action
6.1/10
4.7/10
Landscape
6.0/10
5.0/10
Wildlife
6.1/10
5.5/10
Casual
3.6/10
5.2/10
Food
4.8/10
5.9/10
Macro
4.2/10
5.2/10
Architecture
5.7/10
5.2/10
Astrophotography
6.2/10
4.7/10
Vlogging & Video
—
4.7/10
Fun & simple
—
4.9/10
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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