Canon
EOS R100
Entry-level 24MP APS-C RF-mount camera with a small body, EVF, and simple stills-first feature set.
$479
Released May 2023
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 1.5 years newer.
Wins
EOS R100
Wins
Alpha 1 II
2 categories tied
TL;DR — Key differences
- BAlpha 1 II has higher IBIS effectiveness (8.5 stops vs 0 stops)
- BAlpha 1 II has higher RAW buffer depth (200 frames vs 6 frames)
- AEOS R100 has higher AF points / zones (3975 vs 759)
- BAlpha 1 II has higher 4K max frame rate (120 fps vs 24 fps)
- BAlpha 1 II has higher Burst (electronic) (30 fps vs 6.5 fps)
Key specs at a glance
Size and weight, to scale
EOS R100
116 × 86 × 69 mm
356 g (0.78 lb / 12.56 oz)
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
EOS R100 is 20mm narrower, 11mm shorter, and 14mm thinner than Alpha 1 II.
EOS R100 is 387 g lighter than Alpha 1 II.
Depth (front-to-back): 69mm EOS R100 · 83mm Alpha 1 II
Sensor size, to scale
EOS R100
22.3 × 14.9 mm · APS-C
332 mm² area
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
2.6× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R100
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 R100
Dimensions (W×H×D mm)
Adds 116.3, 85.5, 68.8
Card types
Adds SD UHS-I
AF points / zones
3975 vs 759 — higher is better
Weight
356 g vs 743 g — lower is better
EVF magnification
0.95 × vs 0.9 × — 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
Card types
Adds CFexpress Type A, SD UHS-II
RAW buffer depth
200 frames vs 6 frames — higher is better
Subject recognition
Adds Animal, Bird, Insect…
4K max frame rate
120 fps vs 24 fps — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Burst (electronic)
30 fps vs 6.5 fps — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R100
Pros
- ✓Very low entry price for Canon RF
- ✓Compact and lightweight body
- ✓Built-in EVF
- ✓Good image quality for beginners
Cons
- –Fixed non-touch LCD
- –Older DIGIC 8 processor
- –4K video is cropped and limited
- –No in-body stabilization
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 wildlife, EOS R100 or Alpha 1 II?
Alpha 1 II scores 9.5/10 versus 0.0/10 for EOS R100 — 30fps burst captures fleeting moments.
What's the resolution difference between the EOS R100 and Alpha 1 II?
EOS R100 is 24.1 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 R100 and Alpha 1 II have in-body image stabilization?
EOS R100 does not have IBIS, while alpha 1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R100 or the Alpha 1 II?
EOS R100 reaches 6.5 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the EOS R100 and Alpha 1 II?
EOS R100 weighs 356 g and Alpha 1 II weighs 743 g, so the EOS R100 is 387 g lighter.
Do the EOS R100 and Alpha 1 II record 4K video?
EOS R100: 4K up to 24p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the EOS R100 and Alpha 1 II weather sealed?
EOS R100: No. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 430 shots (CIPA) for the EOS R100 and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.
How much does each cost?
EOS R100 launched at $479 and Alpha 1 II at $6,499. The EOS R100 is $6,020 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.