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PowerShot G7 X Mark III

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 price

Released Jul 2019

vs
Ace Pro

Insta360

Ace Pro

Leica co-engineered action cam with 1/1.3-inch sensor, 4K120, flip touchscreen, and FlowState stabilization.

$399

Launch price

Released Nov 2023

Ace Pro is 4.3 years newer.

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Wins

3categories

PowerShot G7 X Mark III

Wins

9categories

Ace Pro

Sports & ActionTravel

3 categories tied

Which would you choose?

TL;DR — Key differences

PowerShot G7 X Mark III wins 1 categories·Ace Pro wins 4 categories
  • BAce Pro has higher RAW buffer depth (60 frames vs 0 frames)
  • BAce Pro has higher IBIS effectiveness (6 stops vs 0 stops)
  • BAce Pro has higher 4K max frame rate (120 fps vs 29.97 fps)
  • BAce Pro has higher 1080p max frame rate (240 fps vs 59.94 fps)
  • APowerShot G7 X Mark III has higher Burst (mechanical) (20 fps vs 6 fps)

Key specs at a glance

PowerShot G7 X Mark IIIAce Pro
Resolution20.1 MP48 MP
Sensor13.2 × 8.8 mm1/1.3 inch
ISO max12,8006,400
Burst20 fps15 fps
4K29.97 fps120 fps
IBISNoNo
Weight304 g179.8 g
Battery320 shots640 shots

Size and weight, to scale

PowerShot G7 X Mark III front view

PowerShot G7 X Mark III

105 × 61 × 41 mm

304 g (0.67 lb / 10.72 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

Ace Pro front view

Ace Pro

72 × 52 × 39 mm

179.8 g (0.40 lb / 6.34 oz)

PowerShot G7 X Mark III is 33mm wider, 9mm taller, and 3mm thicker than Ace Pro.

PowerShot G7 X Mark III is 124 g heavier than Ace Pro.

Depth (front-to-back): 41mm PowerShot G7 X Mark III · 39mm Ace Pro

Back view, to scale

Width × Height — same proportions as the front of the body.

PowerShot G7 X Mark III back view

PowerShot G7 X Mark III

105 × 61 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Ace Pro back view

Ace Pro

72 × 52 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

PowerShot G7 X Mark III top view

PowerShot G7 X Mark III

105 × 41 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Ace Pro top view

Ace Pro

72 × 39 mm

Sensor size, to scale

PowerShot G7 X Mark III

13.2 × 8.8 mm · 1-inch

116 mm² area

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use casePowerShot G7 X Mark IIIAce Pro
Portrait
3.0Limited
3.0Limited
Sports & Action
2.5Limited
8.0Excellent✓ wins
Video & Hybrid
2.0Limited
4.5Fair✓ wins
Landscape
0.0Limited
4.5Fair✓ wins
Travel
4.5Fair
7.0Good✓ wins
Wildlife
2.5Limited
4.5Fair✓ wins
Vlogging
4.5Fair✓ wins
4.0Fair

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, SDHC, SDXC

  • Burst (mechanical)

    20 fps vs 6 fps — higher is better

  • AA filter

    Only PowerShot G7 X Mark III supports it

  • ISO max (native)

    12,800 vs 6,400 — higher is better

  • Eye AF

    Only PowerShot G7 X Mark III supports it

  • Codecs

    Adds MP4

Reasons to choose

Ace Pro

  • RAW buffer depth

    60 frames vs 0 frames — higher is better

  • IBIS effectiveness

    6 stops vs 0 stops — higher is better

  • Stabilization modes

    Adds FlowState, Horizon Lock, Active HDR

  • Dimensions (W×H×D mm)

    Adds 71.9, 52.15, 38.5

  • Card types

    Adds microSD

  • 4K max frame rate

    120 fps vs 29.97 fps — higher is better

  • 1080p max frame rate

    240 fps vs 59.94 fps — higher is better

  • Resolution

    48 MP vs 20.1 MP — higher is better

Both cameras share

  • ISO min (native)Both 100
  • Card slotsBoth 1
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi
  • BluetoothBoth 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

Ace Pro

Pros

  • 1/1.3-inch sensor
  • 4K120 slow-mo
  • Leica color science
  • Flip touchscreen

Cons

  • Superseded by Ace Pro 2
  • No 8K
  • Fixed lens

Decided which one is right for you?

Compare live prices for the PowerShot G7 X Mark III and Ace Pro at major authorized retailers.

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Full specifications

= category winner

PowerShot G7 X Mark III
Ace Pro
Resolution
20.1 MP
48 MP2.4× more
Sensor type
1"-Type CMOS
1/1.3-inch CMOS (Leica co-engineered)
Sensor size
13.2 × 8.8 mm
1/1.3 inch
AA filter
Yes
PowerShot G7 X Mark III
Ace Pro
Aperture
1.8 to 2.8
f/2.6
Focal length (35mm equiv.)
24 to 100mm
PowerShot G7 X Mark III
Ace Pro
Processor
DIGIC 8
Image processor
PowerShot G7 X Mark III
Ace Pro
ISO min (native)
100
100
ISO max (native)
12,800+1 stop
6,400
ISO max (expanded)
25,600
6,400
PowerShot G7 X Mark III
Ace Pro
Shutter type
Mechanical + Electronic
Electronic shutter
Max mechanical speed
1/2000 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/8000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for sports, PowerShot G7 X Mark III or Ace Pro?

Ace Pro scores 8.0/10 versus 2.5/10 for PowerShot G7 X Mark III — FlowState electronic stabilization stabilization — steady handheld footage.

What's the resolution difference between the PowerShot G7 X Mark III and Ace Pro?

PowerShot G7 X Mark III is 20.1 MP and Ace Pro is 48 MP, so the Ace Pro captures more detail for cropping and large prints.

How does stabilization compare between the PowerShot G7 X Mark III and Ace Pro?

PowerShot G7 X Mark III does not have IBIS, while Ace Pro uses FlowState electronic stabilization (electronic).

Which shoots faster bursts — the PowerShot G7 X Mark III or the Ace Pro?

PowerShot G7 X Mark III reaches 20 fps electronic. Ace Pro reaches 15 fps electronic.

What's the weight difference between the PowerShot G7 X Mark III and Ace Pro?

PowerShot G7 X Mark III weighs 304 g and Ace Pro weighs 179.8 g, so the Ace Pro is 124 g lighter.

Do the PowerShot G7 X Mark III and Ace Pro record 4K video?

PowerShot G7 X Mark III: 4K up to 29.97p. Ace Pro: 4K up to 120p.

Are the PowerShot G7 X Mark III and Ace Pro weather sealed?

PowerShot G7 X Mark III: No. Ace Pro: Yes.

Which has better battery life?

Rated battery life is 320 shots (CIPA) for the PowerShot G7 X Mark III and 640 shots for the Ace Pro, giving the Ace Pro the edge.

How much does each cost?

PowerShot G7 X Mark III launched at $749 and Ace Pro at $399. The Ace Pro is $350 less.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way PowerShot G7 X Mark III vs Ace Pro vs X comparison.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.

Product images courtesy of Canon and Insta360 press materials.