Canon
EOS 7D
Classic APS-C sports DSLR with 18MP, 8fps burst, 19-point cross-type AF, Dual DIGIC 4, and weather-sealed magnesium body.
$1,699
Launch priceReleased Sep 2009
Canon
EOS R3
Pro 24MP full-frame stacked-sensor body built for sports, news, wildlife, and high-speed hybrid capture.
$5,999
Launch priceReleased Sep 2021
EOS R3 is 12 years newer.
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Wins
EOS 7D
Wins
EOS R3
1 categories tied
Which would you choose?
TL;DR — Key differences
- BEOS R3 has higher 4K max frame rate (120 fps vs 0 fps)
- BEOS R3 has higher IBIS effectiveness (8 stops vs 0 stops)
- BEOS R3 has higher AF points / zones (1053 vs 19)
- BEOS R3 has higher Max video bit rate (2600 Mbps vs 150 Mbps)
- BEOS R3 has higher ISO max (native) (102,400 vs 6,400)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS 7D
148 × 111 × 74 mm
820 g (1.81 lb / 28.92 oz)
Credit card
85.6 × 54 mm
for scale
EOS R3
150 × 143 × 87 mm
1015 g (2.24 lb / 35.80 oz)
EOS 7D is 2mm narrower, 32mm shorter, and 14mm thinner than EOS R3.
EOS 7D is 195 g lighter than EOS R3.
Depth (front-to-back): 74mm EOS 7D · 87mm EOS R3
Sensor size, to scale
EOS 7D
22.3 × 14.9 mm · APS-C
332 mm² area
EOS R3
36 × 24 mm · Full Frame
864 mm² area
2.6× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS 7D
✓ more lensesCanon EF
300+
native lenses available
EOS R3
Canon RF
105+
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 7D
Codecs
Adds H.264 (MOV)
Dimensions (W×H×D mm)
Adds 148.2, 110.7, 73.5
Card types
Adds CF (UDMA 6)
EVF magnification
1 × vs 0.76 × — higher is better
Battery life (CIPA)
800 shots vs 620 shots — higher is better
Weight
820 g vs 1015 g — lower is better
Reasons to choose
EOS R3
AF low-light limit
-7.5 EV vs -0.5 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
4K max frame rate
120 fps vs 0 fps — higher is better
Codecs
Adds RAW, H.265, H.264
IBIS effectiveness
8 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 150, 142.6, 87.2
Card types
Adds CFexpress Type B, SD UHS-II
AF points / zones
1053 vs 19 — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓Weather sealing — Both support weather sealing
- ✓Microphone jack (3.5mm) — Both support microphone jack (3.5mm)
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS 7D
Pros
- ✓8fps with 19 cross-type AF points
- ✓Dual DIGIC 4 image processors
- ✓100% viewfinder with electronic level
- ✓Weather-sealed magnesium alloy body
- ✓Full HD 1080p video
Cons
- –18MP resolution dated today
- –Single CF card slot
- –No Wi-Fi or GPS
- –1080p limited to 30fps
- –DSLR platform aging
EOS R3
Pros
- ✓30fps electronic burst from a stacked full-frame sensor
- ✓Exceptional low-light AF down to -7.5 EV
- ✓Integrated pro body with large LP-E19 battery
- ✓6K RAW video and 4K 120p
- ✓Rugged weather-sealed construction
Cons
- –24MP resolution trails higher-detail rivals
- –Large integrated-grip body
- –Expensive compared with enthusiast full-frame bodies
Decided which one is right for you?
Compare live prices for the EOS 7D and EOS R3 at major authorized retailers.
Canon EOS 7D
Canon EOS R3
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, EOS 7D or EOS R3?
EOS R3 scores 9.0/10 versus 1.5/10 for EOS 7D — 6K video for oversampled 4K.
What's the resolution difference between the EOS 7D and EOS R3?
EOS 7D is 18 MP and EOS R3 is 24.1 MP, so the EOS R3 captures more detail for cropping and large prints.
Do the EOS 7D and EOS R3 have in-body image stabilization?
EOS 7D does not have IBIS, while EOS R3 has 8-stop in-body image stabilization.
Which shoots faster bursts — the EOS 7D or the EOS R3?
EOS 7D reaches 8 fps electronic. EOS R3 reaches 30 fps electronic.
What's the weight difference between the EOS 7D and EOS R3?
EOS 7D weighs 820 g and EOS R3 weighs 1015 g, so the EOS 7D is 195 g lighter.
Do the EOS 7D and EOS R3 record 4K video?
EOS 7D: Full HD (1920 × 1080). EOS R3: 6K RAW (max), 4K up to 120p.
Are the EOS 7D and EOS R3 weather sealed?
EOS 7D: Yes. EOS R3: Yes.
Which has better battery life?
Rated battery life is 800 shots (CIPA) for the EOS 7D and 620 shots for the EOS R3, giving the EOS 7D the edge.
How much does each cost?
EOS 7D launched at $1,699 and EOS R3 at $5,999. The EOS 7D is $4,300 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS 7D vs EOS R3 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Canon press materials.