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 7R VI
66.8MP fully-stacked full-frame high-resolution body with 30fps bursts, 8K 30p, 4K 120p, and Sony's new BIONZ XR2 engine.
$4,499
Released Jun 2026
Alpha 7R VI is 3 years newer.
Wins
EOS R100
Wins
Alpha 7R VI
1 categories tied
TL;DR — Key differences
- BAlpha 7R VI has higher RAW buffer depth (150 frames vs 6 frames)
- AEOS R100 has higher AF points / zones (3975 vs 759)
- BAlpha 7R VI has higher 4K max frame rate (120 fps vs 24 fps)
- BAlpha 7R VI has higher Max video bit rate (600 Mbps vs 120 Mbps)
- BAlpha 7R VI 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 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
EOS R100 is 16mm narrower, 11mm shorter, and 14mm thinner than Alpha 7R VI.
EOS R100 is 357 g lighter than Alpha 7R VI.
Depth (front-to-back): 69mm EOS R100 · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R100
116 × 86 mm
Alpha 7R VI
133 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R100
116 × 69 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
EOS R100
22.3 × 14.9 mm · APS-C
332 mm² area
Alpha 7R VI
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 7R VI
✓ 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 713 g — lower is better
AA filter
Only EOS R100 supports it
EVF magnification
0.95 × vs 0.9 × — higher is better
Reasons to choose
Alpha 7R VI
AF low-light limit
-6 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 132.7, 96.9, 82.9
Card types
Adds CFexpress Type A, SDXC UHS-II
RAW buffer depth
150 frames vs 6 frames — higher is better
Subject recognition
Adds Animal, Bird, Eye…
4K max frame rate
120 fps vs 24 fps — higher is better
Max video bit rate
600 Mbps vs 120 Mbps — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Both cameras share
- ✓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 7R VI
Pros
- ✓66.8MP fully-stacked Exmor RS sensor
- ✓30fps blackout-free electronic burst
- ✓8K 30p and 4K 120p video
- ✓8.5-stop in-body stabilization
- ✓9.44M-dot HDR OLED EVF
Cons
- –Very expensive
- –Large files demand fast cards and storage
- –8K workflow can be heavy
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, EOS R100 or Alpha 7R VI?
Alpha 7R VI scores 6.5/10 versus 0.0/10 for EOS R100 — 30fps burst captures fleeting moments.
What's the resolution difference between the EOS R100 and Alpha 7R VI?
EOS R100 is 24.1 MP and Alpha 7R VI is 66.8 MP, so the Alpha 7R VI captures more detail for cropping and large prints.
Do the EOS R100 and Alpha 7R VI have in-body image stabilization?
EOS R100 does not have IBIS, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the EOS R100 or the Alpha 7R VI?
EOS R100 reaches 6.5 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the EOS R100 and Alpha 7R VI?
EOS R100 weighs 356 g and Alpha 7R VI weighs 713 g, so the EOS R100 is 357 g lighter.
Do the EOS R100 and Alpha 7R VI record 4K video?
EOS R100: 4K up to 24p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the EOS R100 and Alpha 7R VI weather sealed?
EOS R100: No. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 430 shots (CIPA) for the EOS R100 and 600 shots for the Alpha 7R VI, giving the Alpha 7R VI the edge.
How much does each cost?
EOS R100 launched at $479 and Alpha 7R VI at $4,499. The EOS R100 is $4,020 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.