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
Insta360
GO 3S
Thumb-sized 4K POV camera with magnetic mounting, Action Pod remote preview, FlowState stabilization, and 10m waterproof body.
$400
Launch priceReleased Jun 2024
GO 3S is 4.9 years newer.
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Wins
PowerShot G7 X Mark III
Wins
GO 3S
3 categories tied
Which would you choose?
TL;DR — Key differences
- APowerShot G7 X Mark III has higher ISO max (native) (12,800 vs 3,200)
- APowerShot G7 X Mark III has higher 1080p max frame rate (120 fps vs 50 fps)
- BGO 3S has lower Weight (135.4 g vs 304 g)
- APowerShot G7 X Mark III has higher Resolution (20.1 MP vs 12 MP)
- BGO 3S has lower ISO min (native) (100 vs 125)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to sharePowerShot G7 X Mark III
105 × 61 × 41 mm
304 g (0.67 lb / 10.72 oz)
Credit card
85.6 × 54 mm
for scale
GO 3S
54 × 25 × 26 mm
135.4 g (0.30 lb / 4.78 oz)
PowerShot G7 X Mark III is 51mm wider, 36mm taller, and 16mm thicker than GO 3S.
PowerShot G7 X Mark III is 169 g heavier than GO 3S.
Depth (front-to-back): 41mm PowerShot G7 X Mark III · 26mm GO 3S
Back view, to scale
Width × Height — same proportions as the front of the body.
PowerShot G7 X Mark III
105 × 61 mm
Credit card
85.6 × 54 mm
GO 3S
54 × 25 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
PowerShot G7 X Mark III
105 × 41 mm
Credit card
85.6 × 54 mm
GO 3S
54 × 26 mm
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
Codecs
Adds H.264
Dimensions (W×H×D mm)
Adds 105, 60.9, 41.4
Card types
Adds SD UHS-I
ISO max (native)
12,800 vs 3,200 — higher is better
1080p max frame rate
120 fps vs 50 fps — higher is better
AA filter
Only PowerShot G7 X Mark III supports it
Eye AF
Only PowerShot G7 X Mark III supports it
Reasons to choose
GO 3S
Codecs
Adds H.264/AVC
Stabilization modes
Adds FlowState, Horizon Lock
Dimensions (W×H×D mm)
Adds 54.4, 24.8, 25.6
Card types
Adds microSD
Weight
135.4 g vs 304 g — lower is better
Weather sealing
Only GO 3S supports it
ISO min (native)
100 vs 125 — lower is better
Both cameras share
- ✓4K max frame rate — Both 30 fps
- ✓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
GO 3S
Pros
- ✓4K30 in a 39g body
- ✓Action Pod with 2.2-inch flip screen
- ✓FlowState + Horizon Lock
- ✓10m waterproof (camera only)
- ✓140 min runtime with Action Pod
Cons
- –Tiny 1/2.3-inch sensor
- –Fixed 16mm lens
- –Action Pod not waterproof
- –Built-in storage only (64/128GB)
Decided which one is right for you?
Compare live prices for the PowerShot G7 X Mark III and GO 3S at major authorized retailers.
Canon PowerShot G7 X Mark III
Insta360 GO 3S
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for vlogging, PowerShot G7 X Mark III or GO 3S?
PowerShot G7 X Mark III scores 5.0/10 versus 3.0/10 for GO 3S — 304g — easy to handhold for selfie video.
What's the resolution difference between the PowerShot G7 X Mark III and GO 3S?
PowerShot G7 X Mark III is 20.1 MP and GO 3S is 12 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 GO 3S?
PowerShot G7 X Mark III does not have IBIS, while GO 3S does not have IBIS.
What's the weight difference between the PowerShot G7 X Mark III and GO 3S?
PowerShot G7 X Mark III weighs 304 g and GO 3S weighs 135.4 g, so the GO 3S is 169 g lighter.
Do the PowerShot G7 X Mark III and GO 3S record 4K video?
PowerShot G7 X Mark III: 4K up to 30p. GO 3S: 4K up to 30p.
Are the PowerShot G7 X Mark III and GO 3S weather sealed?
PowerShot G7 X Mark III: No. GO 3S: Yes.
How much does each cost?
PowerShot G7 X Mark III launched at $749 and GO 3S at $400. The GO 3S is $349 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way PowerShot G7 X Mark III vs GO 3S vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Canon and Insta360 press materials.