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
DJI
Osmo Action 4
1/1.3-inch sensor action camera with 10-bit D-Log M and strong stabilization.
$299
Launch priceReleased Aug 2023
Osmo Action 4 is 4.1 years newer.
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Wins
PowerShot G7 X Mark III
Wins
Osmo Action 4
3 categories tied
TL;DR — Key differences
- BOsmo Action 4 has higher RAW buffer depth (60 frames vs 0 frames)
- BOsmo Action 4 has higher IBIS effectiveness (6 stops vs 0 stops)
- BOsmo Action 4 has higher 4K max frame rate (120 fps vs 30 fps)
- APowerShot G7 X Mark III has higher Burst (mechanical) (20 fps vs 6 fps)
- BOsmo Action 4 has higher Battery life (CIPA) (640 shots vs 235 shots)
Key specs at a glance
Size and weight, to scale
PowerShot G7 X Mark III
105 × 61 × 41 mm
304 g (0.67 lb / 10.72 oz)
Credit card
85.6 × 54 mm
for scale
Osmo Action 4
71 × 44 × 33 mm
145 g (0.32 lb / 5.11 oz)
PowerShot G7 X Mark III is 35mm wider, 17mm taller, and 9mm thicker than Osmo Action 4.
PowerShot G7 X Mark III is 159 g heavier than Osmo Action 4.
Depth (front-to-back): 41mm PowerShot G7 X Mark III · 33mm Osmo Action 4
Sensor size, to scale
PowerShot G7 X Mark III
13.2 × 8.8 mm · 1″
116 mm² area
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
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
Burst (mechanical)
20 fps vs 6 fps — higher is better
Resolution
20.1 MP vs 10 MP — higher is better
AA filter
Only PowerShot G7 X Mark III supports it
Eye AF
Only PowerShot G7 X Mark III supports it
Microphone jack (3.5mm)
Only PowerShot G7 X Mark III supports it
Reasons to choose
Osmo Action 4
RAW buffer depth
60 frames vs 0 frames — higher is better
IBIS effectiveness
6 stops vs 0 stops — higher is better
Stabilization modes
Adds RockSteady, HorizonBalancing, HorizonSteady
Dimensions (W×H×D mm)
Adds 70.5, 44.2, 32.8
Card types
Adds microSD
4K max frame rate
120 fps vs 30 fps — higher is better
Battery life (CIPA)
640 shots vs 235 shots — higher is better
Weight
145 g vs 304 g — lower is better
Both cameras share
- ✓ISO max (native) — Both 12,800
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
Pros & cons at a glance
Editorially curated highlights and trade-offs.
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
Osmo Action 4
Pros
- ✓10-bit D-Log M
- ✓Good low light for action cam
- ✓Affordable
Cons
- –Superseded by Action 5 Pro
- –Fixed lens
Decided which one is right for you?
Compare live prices for the PowerShot G7 X Mark III and Osmo Action 4 at major authorized retailers.
Canon PowerShot G7 X Mark III
DJI Osmo Action 4
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, PowerShot G7 X Mark III or Osmo Action 4?
Osmo Action 4 scores 8.5/10 versus 4.0/10 for PowerShot G7 X Mark III — Electronic image stabilization stabilization — steady handheld footage.
What's the resolution difference between the PowerShot G7 X Mark III and Osmo Action 4?
PowerShot G7 X Mark III is 20.1 MP and Osmo Action 4 is 10 MP, so the PowerShot G7 X Mark III captures more detail for cropping and large prints.
How does stabilization compare between the PowerShot G7 X Mark III and Osmo Action 4?
PowerShot G7 X Mark III does not have IBIS, while Osmo Action 4 uses Electronic image stabilization (electronic).
Which shoots faster bursts — the PowerShot G7 X Mark III or the Osmo Action 4?
PowerShot G7 X Mark III reaches 20 fps electronic. Osmo Action 4 reaches 15 fps electronic.
What's the weight difference between the PowerShot G7 X Mark III and Osmo Action 4?
PowerShot G7 X Mark III weighs 304 g and Osmo Action 4 weighs 145 g, so the Osmo Action 4 is 159 g lighter.
Do the PowerShot G7 X Mark III and Osmo Action 4 record 4K video?
PowerShot G7 X Mark III: 4K up to 30p. Osmo Action 4: 4K up to 120p.
Are the PowerShot G7 X Mark III and Osmo Action 4 weather sealed?
PowerShot G7 X Mark III: No. Osmo Action 4: Yes.
Which has better battery life?
Rated battery life is 235 shots (CIPA) for the PowerShot G7 X Mark III and 640 shots for the Osmo Action 4, giving the Osmo Action 4 the edge.
How much does each cost?
PowerShot G7 X Mark III launched at $749 and Osmo Action 4 at $299. The Osmo Action 4 is $450 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way PowerShot G7 X Mark III vs Osmo Action 4 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.