Canon
EOS R7
32.5MP APS-C RF-mount body with 30fps burst, 4K 60p, 7-stop IBIS, and advanced subject tracking.
$1,499
Launch priceReleased May 2022
Sony
Alpha 7 III
Classic 24MP hybrid that defined the modern full-frame value proposition.
$1,999
Launch priceReleased Feb 2018
EOS R7 is 4.3 years newer.
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Wins
EOS R7
Wins
Alpha 7 III
3 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R7 has higher Max video bit rate (340 Mbps vs 100 Mbps)
- AEOS R7 has higher Burst (electronic) (30 fps vs 10 fps)
- BAlpha 7 III has higher RAW buffer depth (89 frames vs 42 frames)
- AEOS R7 has higher 4K max frame rate (59.94 fps vs 30 fps)
- BAlpha 7 III has higher ISO max (native) (51,200 vs 32,000)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R7
132 × 90 × 92 mm
612 g (1.35 lb / 21.59 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 7 III
127 × 96 × 74 mm
650 g (1.43 lb / 22.93 oz)
EOS R7 is 5mm shorter than Alpha 7 III but it is also 5mm wider and 18mm thicker.
EOS R7 is 38 g lighter than Alpha 7 III.
Depth (front-to-back): 92mm EOS R7 · 74mm Alpha 7 III
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R7
132 × 90 mm
Credit card
85.6 × 54 mm
Alpha 7 III
127 × 96 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R7
132 × 92 mm
Credit card
85.6 × 54 mm
Alpha 7 III
127 × 74 mm
Sensor size, to scale
EOS R7
22.3 × 14.8 mm · APS-C
330 mm² area
Alpha 7 III
35.6 × 23.8 mm · Full Frame
847 mm² area
2.6× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R7
Canon RF
105+
native lenses available
Alpha 7 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 R7
AF low-light limit
-5 EV vs -3 EV — lower is better
Codecs
Adds H.265, AAC, LPCM
Dimensions (W×H×D mm)
Adds 132, 90.4, 91.7
Card types
Adds SD, SDHC, SDXC
Max video bit rate
340 Mbps vs 100 Mbps — higher is better
Burst (electronic)
30 fps vs 10 fps — higher is better
Subject recognition
Adds Bird, Vehicle
Pre-Capture / Pre-Release
Only EOS R7 supports it
Reasons to choose
Alpha 7 III
Codecs
Adds XAVC S, AVCHD, H.264
Dimensions (W×H×D mm)
Adds 126.9, 95.6, 73.7
Card types
Adds SD UHS-II, SD UHS-I
RAW buffer depth
89 frames vs 42 frames — higher is better
ISO max (native)
51,200 vs 32,000 — higher is better
Battery life (CIPA)
710 shots vs 660 shots — higher is better
AF points / zones
693 vs 651 — 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
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓Weather sealing — Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R7
Pros
- ✓High-resolution 32.5MP APS-C sensor
- ✓Up to 30fps electronic burst
- ✓7-stop in-body stabilization
- ✓Dual SD UHS-II card slots
- ✓Strong value for wildlife and sports reach
Cons
- –APS-C sensor trails full-frame in low-light depth
- –RF-S lens lineup is still limited
- –4K 60p uses a crop in some modes
Alpha 7 III
Pros
- ✓Proven reliability
- ✓Great battery life
- ✓Strong value used
- ✓Dual card slots
Cons
- –Older AF vs newer bodies
- –4K 30p only
- –No 10-bit internal
Decided which one is right for you?
Compare live prices for the EOS R7 and Alpha 7 III at major authorized retailers.
Canon EOS R7
Sony Alpha 7 III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R7 or Alpha 7 III?
EOS R7 scores 8.5/10 versus 4.0/10 for Alpha 7 III — 30fps burst — pro-level action capture.
What's the resolution difference between the EOS R7 and Alpha 7 III?
EOS R7 is 32.5 MP and Alpha 7 III is 24.2 MP, so the EOS R7 captures more detail for cropping and large prints.
Do the EOS R7 and Alpha 7 III have in-body image stabilization?
EOS R7 has 8-stop in-body image stabilization, while Alpha 7 III has 5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R7 or the Alpha 7 III?
EOS R7 reaches 30 fps electronic. Alpha 7 III reaches 10 fps electronic.
What's the weight difference between the EOS R7 and Alpha 7 III?
EOS R7 weighs 612 g and Alpha 7 III weighs 650 g, so the EOS R7 is 38 g lighter.
Do the EOS R7 and Alpha 7 III record 4K video?
EOS R7: 4K up to 59.94p. Alpha 7 III: 4K up to 30p.
Are the EOS R7 and Alpha 7 III weather sealed?
EOS R7: Yes. Alpha 7 III: Yes.
Which has better battery life?
Rated battery life is 660 shots (CIPA) for the EOS R7 and 710 shots for the Alpha 7 III, giving the Alpha 7 III the edge.
How much does each cost?
EOS R7 launched at $1,499 and Alpha 7 III at $1,999. The EOS R7 is $500 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R7 vs Alpha 7 III vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Canon and Sony press materials.