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Canon EOS R5 C vs Sony A7S III

5 · 0 TIE · 3

The R5 C wins 5 of 8 scored specs (resolution, burst, max video); the A7S III wins 3 (stabilization, battery (cipa), weight). The R5 C is $499 cheaper.

5 WINSBuy it if you want: resolution, burst, max video.
3 WINSBuy it if you want: stabilization, battery (cipa), weight.
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Size, to scale

OPEN IN SIZE COMPARE →
FRONT (WIDTH × HEIGHT)
TOP (WIDTH × DEPTH), LENS FACING DOWN

Outer sizes are exact, from the makers' dimensions. Shapes are drawn by us to show each body style; the dashed circle is the lens mount at its real diameter.

  • Canon EOS R5 C142 × 101 × 111 mm · 770 g
  • Sony A7S III128.9 × 96.9 × 80.8 mm · 699 g

Where they differ

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R5 CA7S III
PRICE & SCORE
Price$3,199BEST$3,698
CameraFits score7.9BEST7.4
PHOTO
Resolution45 MPBEST12.1 MP
BurstThe fastest frames per second the maker quotes. Top speeds often use the electronic shutter and may limit autofocus. Higher helps for sports, wildlife and kids.20 fpsBEST10 fps
StabilizationIn-body stabilisation. Each stop lets you shoot at half the shutter speed without blur, so 8 stops means very steady handheld shots.None5.5 stopsBEST
AutofocusWhat the camera recognises and tracks automatically, and how dark it can get before focus struggles (lower EV is better in low light).PeoplePeople, animals · down to −6 EV
VIDEO
Max videoThe highest video resolution it records internally.8KBEST4K
Log profileA flat picture profile that keeps highlight and shadow detail for colour grading later.Canon Log 3S-Log3
Raw videoRaw keeps the most image data for editing, at much larger file sizes. Some cameras only record it to an external recorder.Internal 12-bit Cinema RAW Light (8K)16-bit RAW via HDMI
HDMIFor an external monitor or recorder. Full-size HDMI is sturdier than micro HDMI.MicroFull-size
Cooling fanA built-in fan lets the camera record for long stretches without overheating.YesNo
BODY & HANDLING
Battery (CIPA)Shots per charge on the CIPA standard test, using the rear screen. Real-world numbers are often higher.320 shots600 shotsBEST
WeightBody with battery and card, without a lens.770 g699 gBEST
ViewfinderElectronic viewfinder resolution and magnification. More dots and a bigger magnification give a sharper, larger view.5.76M-dot, 0.76×9.44M-dot, 0.9×
Card slotsTwo slots let you record a backup copy at the same time, which matters for paid work like weddings.CFexpress B + SD2x CFexpress A/SD UHS-II
SYSTEM
MountWhich lenses fit natively. Other lenses may work through an adapter.Canon RFSony E
Native lenses60+200+

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