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
Canon
PowerShot G7 X Mark III
Pocket 1-inch compact with a 24–100mm f/1.8–2.8 zoom, 4K video, Dual Pixel AF, and live streaming — a classic vlog/travel camera.
$749
Launch priceReleased Jul 2019
EOS R3 is 2.2 years newer.
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Wins
EOS R3
Wins
PowerShot G7 X Mark III
Which would you choose?
TL;DR — Key differences
- AEOS R3 has higher AF points / zones (1053 vs 0)
- AEOS R3 has higher RAW buffer depth (150 frames vs 0 frames)
- AEOS R3 has higher IBIS effectiveness (8 stops vs 0 stops)
- AEOS R3 has higher Max video bit rate (2600 Mbps vs 120 Mbps)
- AEOS R3 has higher ISO max (native) (102,400 vs 12,800)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareEOS R3
150 × 143 × 87 mm
1015 g (2.24 lb / 35.80 oz)
Credit card
85.6 × 54 mm
for scale
PowerShot G7 X Mark III
105 × 61 × 41 mm
304 g (0.67 lb / 10.72 oz)
EOS R3 is 45mm wider, 82mm taller, and 46mm thicker than PowerShot G7 X Mark III.
EOS R3 is 711 g heavier than PowerShot G7 X Mark III.
Depth (front-to-back): 87mm EOS R3 · 41mm PowerShot G7 X Mark III
Sensor size, to scale
EOS R3
36 × 24 mm · Full Frame
864 mm² area
PowerShot G7 X Mark III
13.2 × 8.8 mm · 1″
116 mm² area
7.4× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R3
✓ more lensesCanon RF
105+
native lenses available
PowerShot G7 X Mark III: mount data unavailable
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 R3
AF low-light limit
-7.5 EV vs -4 EV — lower is better
AF points / zones
1053 vs 0 — higher is better
Subject recognition
Adds People, Dogs, Cats…
RAW buffer depth
150 frames vs 0 frames — higher is better
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
Max video bit rate
2600 Mbps vs 120 Mbps — higher is better
Reasons to choose
PowerShot G7 X Mark III
Subject recognition
Adds Human
Dimensions (W×H×D mm)
Adds 105, 60.9, 41.4
Card types
Adds SD UHS-I
Weight
304 g vs 1015 g — lower is better
Burst (mechanical)
20 fps vs 12 fps — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓Eye AF — Both support eye af
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
- ✓Microphone jack (3.5mm) — Both support microphone jack (3.5mm)
Pros & cons at a glance
Editorially curated highlights and trade-offs.
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
PowerShot G7 X Mark III
Pros
- ✓1-inch stacked 20.1MP sensor
- ✓24–100mm equivalent zoom (4.2×)
- ✓4K 30p and Full HD 120p
- ✓Dual Pixel CMOS AF
- ✓Live streaming support
Cons
- –Tilt-only screen (not fully articulating)
- –4K limited to 30fps
- –AF weaker than Sony ZV-1 for video
- –No built-in ND filter
Decided which one is right for you?
Compare live prices for the EOS R3 and PowerShot G7 X Mark III at major authorized retailers.
Canon EOS R3
Canon PowerShot G7 X Mark III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, EOS R3 or PowerShot G7 X Mark III?
EOS R3 scores 7.0/10 versus 0.0/10 for PowerShot G7 X Mark III — Full-frame sensor — wider dynamic range.
What's the resolution difference between the EOS R3 and PowerShot G7 X Mark III?
EOS R3 is 24.1 MP and PowerShot G7 X Mark III is 20.1 MP, so the EOS R3 captures more detail for cropping and large prints.
Do the EOS R3 and PowerShot G7 X Mark III have in-body image stabilization?
EOS R3 has 8-stop in-body image stabilization, while PowerShot G7 X Mark III does not have IBIS.
Which shoots faster bursts — the EOS R3 or the PowerShot G7 X Mark III?
EOS R3 reaches 30 fps electronic. PowerShot G7 X Mark III reaches 20 fps electronic.
What's the weight difference between the EOS R3 and PowerShot G7 X Mark III?
EOS R3 weighs 1015 g and PowerShot G7 X Mark III weighs 304 g, so the PowerShot G7 X Mark III is 711 g lighter.
Do the EOS R3 and PowerShot G7 X Mark III record 4K video?
EOS R3: 6K RAW (max), 4K up to 120p. PowerShot G7 X Mark III: 4K up to 30p.
Are the EOS R3 and PowerShot G7 X Mark III weather sealed?
EOS R3: Yes. PowerShot G7 X Mark III: No.
Which has better battery life?
Rated battery life is 620 shots (CIPA) for the EOS R3 and 235 shots for the PowerShot G7 X Mark III, giving the EOS R3 the edge.
How much does each cost?
EOS R3 launched at $5,999 and PowerShot G7 X Mark III at $749. The PowerShot G7 X Mark III is $5,250 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R3 vs PowerShot G7 X Mark III vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.