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Canon EOS R3 vs Sony A9 II

6 · 0 TIE · 2

The R3 wins 6 of 8 scored specs (burst, stabilization, max video); the A9 II wins 2 (resolution, weight). The R3 is $99 cheaper.

6 WINSBuy it if you want: burst, stabilization, max video, battery (cipa).
2 WINSBuy it if you want: resolution, weight.A 24MP stacked-sensor sports camera with a fast electronic shutter and dual UHS-II slots, aimed at action and press shooters who value speed over resolution.
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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 R3150 × 142.6 × 87.2 mm · 1015 g
  • Sony A9 II128.9 × 96.4 × 67.3 mm · 678 g

Where they differ

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R3A9 II
PRICE & SCORE
Price$4,399BEST$4,498
CameraFits score9.5BEST7.6
PHOTO
Resolution24.1 MP24.2 MPBEST
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.30 fpsBEST20 fps
StabilizationIn-body stabilisation. Each stop lets you shoot at half the shutter speed without blur, so 8 stops means very steady handheld shots.8 stopsBEST5.5 stops
ShutterFastest mechanical and electronic shutter speeds. The silent electronic shutter can freeze faster motion, but may bend fast subjects on slower sensors.1/8000 mech · 1/64000 elec1/8000 mech · 1/32000 elec
AutofocusWhat the camera recognises and tracks automatically, and how dark it can get before focus struggles (lower EV is better in low light).People, animals, birds, vehicles · down to −7.5 EVdown to −3 EV
VIDEO
Max videoThe highest video resolution it records internally.6KBEST4K
Best 4K frame rateThe fastest 4K frame rate. 60p and above lets you slow footage down smoothly, and 120p gives 5× slow motion.4K 120p4K 30p
Crop at 4K 60pWhether 4K 60p uses the full sensor width. A crop makes your lens act longer, so wide shots get harder.None, full widthNo 4K 60p
Colour depth10-bit records far more colour detail than 8-bit, so footage holds up when you grade it. Worth it if you edit video.10-bit 4:2:2—
Log profileA flat picture profile that keeps highlight and shadow detail for colour grading later.Canon Log 3None
Raw videoRaw keeps the most image data for editing, at much larger file sizes. Some cameras only record it to an external recorder.Internal 6K 12-bit Cinema RAW LightNone
BODY & HANDLING
Battery (CIPA)Shots per charge on the CIPA standard test, using the rear screen. Real-world numbers are often higher.860 shotsBEST690 shots
WeightBody with battery and card, without a lens.1015 g678 gBEST
ViewfinderElectronic viewfinder resolution and magnification. More dots and a bigger magnification give a sharper, larger view.5.76M-dot, 0.76×3.69M-dot, 0.78×
Rear screenFully articulating screens flip to the front for vlogging; tilting screens are quicker for photos at waist or overhead height.Fully articulatingTilting
Card slotsTwo slots let you record a backup copy at the same time, which matters for paid work like weddings.CFexpress B + SD UHS-II2x 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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