Canon
EOS R6 V
Video-first 32.5MP full-frame EOS V-series body with 7K RAW 60p, 4K 120p, active cooling, and Canon RF mount.
$2,499
Released May 2026
Sony
Alpha 7S III
12MP low-light video specialist with 4K 120p, 16-bit RAW HDMI, and excellent autofocus.
$3,499
Released Sep 2020
EOS R6 V is 5.7 years newer.
Wins
EOS R6 V
Wins
Alpha 7S III
2 categories tied
TL;DR — Key differences
- AEOS R6 V has higher AF points / zones (6097 vs 759)
- AEOS R6 V has higher Max video bit rate (2600 Mbps vs 600 Mbps)
- AEOS R6 V has higher Burst (electronic) (40 fps vs 10 fps)
- AEOS R6 V has higher Resolution (32.5 MP vs 12.1 MP)
- BAlpha 7S III has higher ISO max (native) (102,400 vs 64,000)
Key specs at a glance
Size and weight, to scale
EOS R6 V
142 × 83 × 80 mm
688 g (1.52 lb / 24.27 oz)
Alpha 7S III
129 × 97 × 81 mm
699 g (1.54 lb / 24.66 oz)
EOS R6 V is 14mm shorter and 1mm thinner than Alpha 7S III but it is also 13mm wider.
EOS R6 V is 11 g lighter than Alpha 7S III.
Depth (front-to-back): 80mm EOS R6 V · 81mm Alpha 7S III
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 V
142 × 83 mm
Alpha 7S III
129 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 V
142 × 80 mm
Alpha 7S III
129 × 81 mm
Sensor size, to scale
EOS R6 V
35.9 × 23.9 mm · Full Frame
858 mm² area
Alpha 7S III
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Native lens selection
EOS R6 V
Canon RF
105+
native lenses available
Alpha 7S III
✓ 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 R6 V
Dimensions (W×H×D mm)
Adds 141.8, 83.3, 79.7
AF points / zones
6097 vs 759 — higher is better
Max video bit rate
2600 Mbps vs 600 Mbps — higher is better
Burst (electronic)
40 fps vs 10 fps — higher is better
Subject recognition
Adds Bird, Horse, Vehicle…
Resolution
32.5 MP vs 12.1 MP — higher is better
Codecs
Adds RAW, XF-HEVC S, XF-AVC S
AF low-light limit
-6.5 EV vs -6 EV — lower is better
Reasons to choose
Alpha 7S III
Dimensions (W×H×D mm)
Adds 128.9, 96.9, 80.8
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
Card types
Adds CFexpress Type A
ISO max (native)
102,400 vs 64,000 — higher is better
ISO min (native)
80 vs 100 — lower is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓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
- ✓In-body stabilization — Both support in-body stabilization
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R6 V
Pros
- ✓7K RAW 60p and 7K Open Gate recording
- ✓4K DCI/UHD 120p with no crop
- ✓Dual Pixel CMOS AF II with people, animal, and vehicle detection
- ✓Active cooling for long-form recording
- ✓Full-size HDMI and dual CFexpress/SD card recording
Cons
- –No built-in EVF
- –Single CFexpress Type B slot plus one SD slot
- –Video-first body may be less ideal for stills-first shooters
- –Battery grip not supported
Alpha 7S III
Pros
- ✓Best-in-class low light
- ✓4K 120p
- ✓Full-size HDMI
- ✓Strong IBIS
Cons
- –12MP stills limit
- –Older generation now
- –No 8K
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R6 V or Alpha 7S III?
EOS R6 V scores 8.5/10 versus 4.0/10 for Alpha 7S III — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R6 V and Alpha 7S III?
EOS R6 V is 32.5 MP and Alpha 7S III is 12.1 MP, so the EOS R6 V captures more detail for cropping and large prints.
Do the EOS R6 V and Alpha 7S III have in-body image stabilization?
EOS R6 V has 7.5-stop in-body image stabilization, while alpha 7S III has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 V or the Alpha 7S III?
EOS R6 V reaches 40 fps electronic. Alpha 7S III reaches 10 fps electronic.
What's the weight difference between the EOS R6 V and Alpha 7S III?
EOS R6 V weighs 688 g and Alpha 7S III weighs 699 g, so the EOS R6 V is 11 g lighter.
Do the EOS R6 V and Alpha 7S III record 4K video?
EOS R6 V: 4K up to 120p. Alpha 7S III: 4K up to 120p.
Are the EOS R6 V and Alpha 7S III weather sealed?
EOS R6 V: Yes. Alpha 7S III: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS R6 V and 600 shots for the Alpha 7S III, giving the EOS R6 V the edge.
How much does each cost?
EOS R6 V launched at $2,499 and Alpha 7S III at $3,499. The EOS R6 V 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.