Canon
EOS R6 Mark III
Hybrid 32.5MP full-frame RF body with 7K RAW video, 40fps electronic burst, 8.5-stop IBIS, and Dual Pixel CMOS AF II.
$2,799
Released Nov 2025
Sony
Alpha 7R V
61MP resolution champion with AI-based AF and 8-stop IBIS for landscape and studio work.
$3,899
Released Oct 2022
EOS R6 Mark III is 3 years newer.
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Wins
EOS R6 Mark III
Wins
Alpha 7R V
3 categories tied
TL;DR — Key differences
- AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 600 Mbps)
- AEOS R6 Mark III has higher Burst (electronic) (40 fps vs 10 fps)
- BAlpha 7R V has higher EVF resolution (9,437,184 vs 3,690,000)
- AEOS R6 Mark III has higher RAW buffer depth (150 frames vs 68 frames)
- AEOS R6 Mark III has higher ISO max (native) (64,000 vs 32,000)
Key specs at a glance
Size and weight, to scale
EOS R6 Mark III
138 × 98 × 88 mm
699 g (1.54 lb / 24.66 oz)
Alpha 7R V
131 × 97 × 82 mm
723 g (1.59 lb / 25.50 oz)
EOS R6 Mark III is 7mm wider, 2mm taller, and 6mm thicker than Alpha 7R V.
EOS R6 Mark III is 24 g lighter than Alpha 7R V.
Depth (front-to-back): 88mm EOS R6 Mark III · 82mm Alpha 7R V
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark III
138 × 98 mm
Alpha 7R V
131 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 Mark III
138 × 88 mm
Alpha 7R V
131 × 82 mm
Sensor size, to scale
EOS R6 Mark III
35.9 × 23.9 mm · Full Frame
858 mm² area
Alpha 7R V
35.7 × 23.8 mm · Full Frame
850 mm² area
Lens ecosystem
Native lens selection
EOS R6 Mark III
Canon RF
105+
native lenses available
Alpha 7R V
✓ 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 Mark III
AF low-light limit
-6.5 EV vs -4 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Max video bit rate
2600 Mbps vs 600 Mbps — higher is better
Burst (electronic)
40 fps vs 10 fps — higher is better
Codecs
Adds CRM, XF-HEVC S, XF-AVC S
RAW buffer depth
150 frames vs 68 frames — higher is better
ISO max (native)
64,000 vs 32,000 — higher is better
Reasons to choose
Alpha 7R V
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 131.3, 96.9, 82.4
EVF resolution
9,437,184 vs 3,690,000 — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
Card types
Adds CFexpress Type A
Resolution
61 MP vs 32.5 MP — higher is better
EVF magnification
0.9 × vs 0.76 × — 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
- ✓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 Mark III
Pros
- ✓32.5MP full-frame sensor
- ✓7K RAW video & 4K 120p
- ✓40fps electronic burst with Pre-Continuous
- ✓8.5-stop IBIS
Cons
- –Single CFexpress Type B + SD slot
- –Smaller LCD than R5 II
- –LP-E6P required for full features
Alpha 7R V
Pros
- ✓61MP — exceptional detail and crop flexibility
- ✓AI-based subject recognition (AI Processing Unit)
- ✓8-stop IBIS compensation
- ✓9.44M dot EVF — highest on market
Cons
- –10fps burst limits sports/action use
- –Large RAW files (61MB+ each)
- –No internal RAW video
Decided which one is right for you?
Compare live prices for the EOS R6 Mark III and Alpha 7R V at major authorized retailers.
Canon EOS R6 Mark III
Sony Alpha 7R V
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R6 Mark III or Alpha 7R V?
EOS R6 Mark III scores 8.5/10 versus 5.0/10 for Alpha 7R V — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R6 Mark III and Alpha 7R V?
EOS R6 Mark III is 32.5 MP and Alpha 7R V is 61 MP, so the Alpha 7R V captures more detail for cropping and large prints.
Do the EOS R6 Mark III and Alpha 7R V have in-body image stabilization?
EOS R6 Mark III has 8.5-stop in-body image stabilization, while alpha 7R V has 8-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark III or the Alpha 7R V?
EOS R6 Mark III reaches 40 fps electronic. Alpha 7R V reaches 10 fps electronic.
What's the weight difference between the EOS R6 Mark III and Alpha 7R V?
EOS R6 Mark III weighs 699 g and Alpha 7R V weighs 723 g, so the EOS R6 Mark III is 24 g lighter.
Do the EOS R6 Mark III and Alpha 7R V record 4K video?
EOS R6 Mark III: 4K up to 120p. Alpha 7R V: 8K (max), 4K up to 60p.
Are the EOS R6 Mark III and Alpha 7R V weather sealed?
EOS R6 Mark III: Yes. Alpha 7R V: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 530 shots for the Alpha 7R V, giving the EOS R6 Mark III the edge.
How much does each cost?
EOS R6 Mark III launched at $2,799 and Alpha 7R V at $3,899. The EOS R6 Mark III is $1,100 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.