Canon
EOS R5 C
Cinema-focused 45MP full-frame hybrid with active cooling, 8K RAW 60p, and Canon Cinema EOS video tools.
$4,499
Released Jan 2022
Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Released Nov 2024
Alpha 1 II is 2.8 years newer.
Wins
EOS R5 C
Wins
Alpha 1 II
3 categories tied
TL;DR — Key differences
- BAlpha 1 II has higher IBIS effectiveness (8.5 stops vs 0 stops)
- AEOS R5 C has higher Max video bit rate (2570 Mbps vs 150 Mbps)
- BAlpha 1 II has higher EVF refresh rate (240 Hz vs 120 Hz)
- BAlpha 1 II has higher EVF resolution (9,437,184 vs 5,760,000)
- BAlpha 1 II has higher Battery life (CIPA) (520 shots vs 320 shots)
Key specs at a glance
Size and weight, to scale
EOS R5 C
142 × 101 × 111 mm
770 g (1.70 lb / 27.16 oz)
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
EOS R5 C is 6mm wider, 4mm taller, and 28mm thicker than Alpha 1 II.
EOS R5 C is 27 g heavier than Alpha 1 II.
Depth (front-to-back): 111mm EOS R5 C · 83mm Alpha 1 II
Sensor size, to scale
EOS R5 C
36 × 24 mm · Full Frame
864 mm² area
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
EOS R5 C
Canon RF
105+
native lenses available
Alpha 1 II
✓ more lensesSony E
350+
native lenses available
Counts include current first-party and major third-party native autofocus lenses.
Use-case scoring
Which one for what?
Algorithmic scores from verified specs · 10 = best in class
Why pick one over the other
Reasons to choose
EOS R5 C
AF low-light limit
-6 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 142, 101, 111
Max video bit rate
2570 Mbps vs 150 Mbps — higher is better
Codecs
Adds Cinema RAW Light, XF-AVC
Card types
Adds CFexpress Type B
ISO max (native)
51,200 vs 32,000 — higher is better
AF points / zones
1053 vs 759 — higher is better
Burst (mechanical)
12 fps vs 10 fps — higher is better
Reasons to choose
Alpha 1 II
IBIS effectiveness
8.5 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
AA filter
Only Alpha 1 II supports it
Subject recognition
Adds Insect, Car/Train, Airplane
Pre-Capture / Pre-Release
Only Alpha 1 II supports it
In-body stabilization
Only Alpha 1 II supports it
Card types
Adds CFexpress Type A
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓4K max frame rate — Both 120 fps
- ✓Internal RAW video — Both support internal raw video
- ✓Weather sealing — Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R5 C
Pros
- ✓8K RAW 60p internal recording with active cooling
- ✓Cinema EOS interface and professional video tools
- ✓45MP full-frame stills capability
- ✓4K 120p slow motion
- ✓CFexpress Type B plus SD UHS-II storage
Cons
- –No in-body stabilization
- –Battery life is limited for high-end video
- –Larger body than the EOS R5
Alpha 1 II
Pros
- ✓50MP stacked sensor
- ✓30fps blackout-free burst
- ✓8K 30p video
- ✓Best Sony AF
Cons
- –Very expensive
- –Complex menus
- –Large files
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R5 C or Alpha 1 II?
Alpha 1 II scores 9.0/10 versus 5.5/10 for EOS R5 C — 30fps burst — pro-level action capture.
What's the resolution difference between the EOS R5 C and Alpha 1 II?
EOS R5 C is 45 MP and Alpha 1 II is 50.1 MP, so the Alpha 1 II captures more detail for cropping and large prints.
Do the EOS R5 C and Alpha 1 II have in-body image stabilization?
EOS R5 C does not have IBIS, while alpha 1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R5 C or the Alpha 1 II?
EOS R5 C reaches 20 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the EOS R5 C and Alpha 1 II?
EOS R5 C weighs 770 g and Alpha 1 II weighs 743 g, so the Alpha 1 II is 27 g lighter.
Do the EOS R5 C and Alpha 1 II record 4K video?
EOS R5 C: 8K RAW (max), 4K up to 120p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the EOS R5 C and Alpha 1 II weather sealed?
EOS R5 C: Yes. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 320 shots (CIPA) for the EOS R5 C and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.
How much does each cost?
EOS R5 C launched at $4,499 and Alpha 1 II at $6,499. The EOS R5 C is $2,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.