Canon
EOS C70
Super 35 cinema box with RF mount, 4K 120p, Canon Log 2/3, and built-in ND for documentary crews.
$5,499
Released Sep 2020
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 4.2 years newer.
Wins
EOS C70
Wins
Alpha 1 II
2 categories tied
TL;DR — Key differences
- BAlpha 1 II has higher Resolution (50.1 MP vs 8.85 MP)
- BAlpha 1 II has higher EVF resolution (9,437,184 vs 3,690,000)
- BAlpha 1 II has higher 4K max frame rate (120 fps vs 60 fps)
- BAlpha 1 II has higher EVF refresh rate (240 Hz vs 120 Hz)
- BAlpha 1 II has higher RAW buffer depth (200 frames vs 120 frames)
Key specs at a glance
Size and weight, to scale
EOS C70
138 × 98 × 88 mm
720 g (1.59 lb / 25.40 oz)
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
EOS C70 is 2mm wider, 1mm taller, and 5mm thicker than Alpha 1 II.
EOS C70 is 23 g lighter than Alpha 1 II.
Depth (front-to-back): 88mm EOS C70 · 83mm Alpha 1 II
Sensor size, to scale
EOS C70
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 C70
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 C70
AF low-light limit
-6.5 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 138, 98, 88
Codecs
Adds ProRes
AF points / zones
1053 vs 759 — higher is better
Subject recognition
Adds Vehicle
Max video bit rate
200 Mbps vs 150 Mbps — higher is better
Battery life (CIPA)
640 shots vs 520 shots — higher is better
AF frame coverage
100 % vs 94 % — higher is better
Reasons to choose
Alpha 1 II
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Resolution
50.1 MP vs 8.85 MP — higher is better
EVF resolution
9,437,184 vs 3,690,000 — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
Subject recognition
Adds Insect, Car/Train, Airplane
4K max frame rate
120 fps vs 60 fps — higher is better
Card types
Adds CFexpress Type A
EVF refresh rate
240 Hz vs 120 Hz — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓Internal RAW video — Both support internal raw video
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS C70
Pros
- ✓4K 120p internal
- ✓Built-in ND filters
- ✓Dual pixel AF in cinema form
- ✓RF mount flexibility
Cons
- –Super 35 not full-frame
- –No stills-first ergonomics
- –Large for gimbal work
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 landscape, EOS C70 or Alpha 1 II?
Alpha 1 II scores 9.0/10 versus 5.5/10 for EOS C70 — 50.1MP — massive detail for large prints.
What's the resolution difference between the EOS C70 and Alpha 1 II?
EOS C70 is 8.85 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 C70 and Alpha 1 II have in-body image stabilization?
EOS C70 has 7-stop in-body image stabilization, while alpha 1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS C70 or the Alpha 1 II?
EOS C70 reaches 20 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the EOS C70 and Alpha 1 II?
EOS C70 weighs 720 g and Alpha 1 II weighs 743 g, so the EOS C70 is 23 g lighter.
Do the EOS C70 and Alpha 1 II record 4K video?
EOS C70: 4K up to 60p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the EOS C70 and Alpha 1 II weather sealed?
EOS C70: Yes. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS C70 and 520 shots for the Alpha 1 II, giving the EOS C70 the edge.
How much does each cost?
EOS C70 launched at $5,499 and Alpha 1 II at $6,499. The EOS C70 is $1,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.