Canon
EOS R7
32.5MP APS-C RF-mount body with 30fps burst, 4K 60p, 7-stop IBIS, and advanced subject tracking.
$1,499
Released May 2022
Sony
Alpha 7 IV
33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.
$2,499
Released Oct 2021
EOS R7 is 7 months newer.
Wins
EOS R7
Wins
Alpha 7 IV
4 categories tied
TL;DR — Key differences
- BAlpha 7 IV has higher RAW buffer depth (828 frames vs 42 frames)
- AEOS R7 has higher Burst (electronic) (30 fps vs 10 fps)
- BAlpha 7 IV has higher Max video bit rate (600 Mbps vs 340 Mbps)
- BAlpha 7 IV has higher ISO max (native) (51,200 vs 32,000)
- BAlpha 7 IV has higher EVF resolution (3,686,400 vs 2,360,000)
Key specs at a glance
Size and weight, to scale
EOS R7
132 × 90 × 92 mm
612 g (1.35 lb / 21.59 oz)
Alpha 7 IV
131 × 96 × 80 mm
658 g (1.45 lb / 23.21 oz)
EOS R7 is 6mm shorter than Alpha 7 IV but it is also 1mm wider and 12mm thicker.
EOS R7 is 46 g lighter than Alpha 7 IV.
Depth (front-to-back): 92mm EOS R7 · 80mm Alpha 7 IV
Sensor size, to scale
EOS R7
22.3 × 14.8 mm · APS-C
330 mm² area
Alpha 7 IV
35.9 × 23.9 mm · Full Frame
858 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 IV
✓ 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 -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 132, 90.4, 91.7
Burst (electronic)
30 fps vs 10 fps — higher is better
Pre-Capture / Pre-Release
Only EOS R7 supports it
Burst (mechanical)
15 fps vs 10 fps — higher is better
EVF magnification
1.15 × vs 0.78 × — higher is better
IBIS effectiveness
8 stops vs 5.5 stops — higher is better
Subject recognition
Adds Vehicle
Reasons to choose
Alpha 7 IV
Dimensions (W×H×D mm)
Adds 131.3, 96.4, 79.8
RAW buffer depth
828 frames vs 42 frames — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
Subject recognition
Adds Insect, Car/Train, Airplane
Internal RAW video
Only Alpha 7 IV supports it
Card types
Adds CFexpress Type A
Max video bit rate
600 Mbps vs 340 Mbps — higher is better
ISO max (native)
51,200 vs 32,000 — 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
- ✓4K max frame rate — Both 60 fps
- ✓In-body stabilization — Both support in-body stabilization
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 IV
Pros
- ✓33MP — more detail for cropping and print
- ✓10-bit 4K 60p (Super35 crop) / 4K 30p full-frame
- ✓Full-size HDMI port
- ✓759 phase-detect AF points
Cons
- –4K 60p requires Super35 crop
- –10fps burst lags behind R6 II at 40fps
- –Complex menu system
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, EOS R7 or Alpha 7 IV?
Alpha 7 IV scores 9.0/10 versus 5.5/10 for EOS R7 — 33MP — ample resolution for portraits.
What's the resolution difference between the EOS R7 and Alpha 7 IV?
EOS R7 is 32.5 MP and Alpha 7 IV is 33 MP, so the Alpha 7 IV captures more detail for cropping and large prints.
Do the EOS R7 and Alpha 7 IV have in-body image stabilization?
EOS R7 has 8-stop in-body image stabilization, while alpha 7 IV has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R7 or the Alpha 7 IV?
EOS R7 reaches 30 fps electronic. Alpha 7 IV reaches 10 fps electronic.
What's the weight difference between the EOS R7 and Alpha 7 IV?
EOS R7 weighs 612 g and Alpha 7 IV weighs 658 g, so the EOS R7 is 46 g lighter.
Do the EOS R7 and Alpha 7 IV record 4K video?
EOS R7: 4K up to 60p. Alpha 7 IV: 4K up to 60p.
Are the EOS R7 and Alpha 7 IV weather sealed?
EOS R7: Yes. Alpha 7 IV: Yes.
Which has better battery life?
Rated battery life is 660 shots (CIPA) for the EOS R7 and 580 shots for the Alpha 7 IV, giving the EOS R7 the edge.
How much does each cost?
EOS R7 launched at $1,499 and Alpha 7 IV at $2,499. The EOS R7 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.