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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
PowerShot SX740 HS

Canon

PowerShot SX740 HS

Pocket travel superzoom with 20.3MP 1/2.3-inch sensor, 40x 24–960mm OIS lens, 4K video, and 180° tilting selfie screen.

$399

Launch price

Released Aug 2018

PowerShot G7 X Mark III is 10 months newer.

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Wins

4categories

PowerShot G7 X Mark III

Wins

9categories

PowerShot SX740 HS

2 categories tied

Which would you choose?

TL;DR — Key differences

PowerShot G7 X Mark III wins 3 categories·PowerShot SX740 HS wins 2 categories
  • BPowerShot SX740 HS has higher RAW buffer depth (60 frames vs 0 frames)
  • BPowerShot SX740 HS has higher IBIS effectiveness (6 stops vs 0 stops)
  • APowerShot G7 X Mark III has higher ISO max (native) (12,800 vs 3,200)
  • APowerShot G7 X Mark III has higher Burst (mechanical) (20 fps vs 10 fps)
  • APowerShot G7 X Mark III has higher Burst (electronic) (20 fps vs 10 fps)

Key specs at a glance

PowerShot G7 X Mark IIIPowerShot SX740 HS
Resolution20.1 MP20.3 MP
Sensor13.2 × 8.8 mm6.17 × 4.55 mm
ISO max12,8003,200
Burst20 fps10 fps
4K29.97 fps30 fps
IBISNoNo
Weight304 g299 g
Battery320 shots265 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

PowerShot SX740 HS front view

PowerShot SX740 HS

110 × 64 × 40 mm

299 g (0.66 lb / 10.55 oz)

PowerShot G7 X Mark III is 5mm narrower and 3mm shorter than PowerShot SX740 HS but it is also 2mm thicker.

PowerShot G7 X Mark III is 5 g heavier than PowerShot SX740 HS.

Depth (front-to-back): 41mm PowerShot G7 X Mark III · 40mm PowerShot SX740 HS

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

PowerShot SX740 HS

110 × 64 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

PowerShot SX740 HS

110 × 40 mm

Sensor size, to scale

PowerShot G7 X Mark III

13.2 × 8.8 mm · 1-inch

116 mm² area

PowerShot SX740 HS

6.17 × 4.55 mm · Compact

28 mm² area

4.1× larger sensor area = shallower depth of field and better low-light performance.

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use casePowerShot G7 X Mark IIIPowerShot SX740 HS
Portrait
3.0Limited✓ wins
1.0Limited
Sports & Action
2.5Limited
3.0Limited✓ wins
Video & Hybrid
2.0Limited
3.0Limited✓ wins
Landscape
0.0Limited
0.0Limited
Travel
4.5Fair✓ wins
3.5Limited
Wildlife
2.5Limited
5.0Fair✓ wins
Vlogging
4.5Fair✓ wins
2.5Limited

Why pick one over the other

Reasons to choose

PowerShot G7 X Mark III

  • Codecs

    Adds H.264, MP4

  • Dimensions (W×H×D mm)

    Adds 105, 60.9, 41.4

  • Card types

    Adds SD, SDHC, SDXC

  • ISO max (native)

    12,800 vs 3,200 — higher is better

  • Eye AF

    Only PowerShot G7 X Mark III supports it

  • Burst (mechanical)

    20 fps vs 10 fps — higher is better

  • Burst (electronic)

    20 fps vs 10 fps — higher is better

  • Microphone jack (3.5mm)

    Only PowerShot G7 X Mark III supports it

Reasons to choose

PowerShot SX740 HS

  • AF low-light limit

    -6.5 EV vs -4 EV — lower is better

  • RAW buffer depth

    60 frames vs 0 frames — higher is better

  • Codecs

    Adds H.264 (MP4)

  • IBIS effectiveness

    6 stops vs 0 stops — higher is better

  • Dimensions (W×H×D mm)

    Adds 110.1, 63.8, 39.9

  • Card types

    Adds SD UHS-I

  • Subject recognition

    Adds Animal, Bird, Vehicle

  • AF frame coverage

    100 % vs 80 % — higher is better

Both cameras share

  • AA filterBoth support aa filter
  • 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

PowerShot SX740 HS

Pros

  • 40x 24–960mm optical zoom
  • 4K UHD video
  • 180° tilting LCD for selfies
  • Wi-Fi + Bluetooth
  • 10fps burst with AF lock

Cons

  • Small 1/2.3-inch sensor
  • No built-in EVF
  • Slow telephoto aperture
  • Discontinued (2025)

Decided which one is right for you?

Compare live prices for the PowerShot G7 X Mark III and PowerShot SX740 HS at major authorized retailers.

Canon PowerShot G7 X Mark III

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Full specifications

= category winner

PowerShot G7 X Mark III
PowerShot SX740 HS
Resolution
20.1 MP
20.3 MP+1%
Sensor type
1"-Type CMOS
1/2.3-inch CMOS
Sensor size
13.2 × 8.8 mm
6.17 × 4.55 mm
AA filter
Yes
Yes
PowerShot G7 X Mark III
PowerShot SX740 HS
Aperture
1.8 to 2.8
f/3.3–6.9
Focal length (35mm equiv.)
24 to 100mm
24–960 mm
PowerShot G7 X Mark III
PowerShot SX740 HS
Processor
DIGIC 8
DIGIC 8
PowerShot G7 X Mark III
PowerShot SX740 HS
ISO min (native)
100
100
ISO max (native)
12,800+2 stops
3,200
ISO max (expanded)
25,600
102,400
PowerShot G7 X Mark III
PowerShot SX740 HS
Shutter type
Mechanical + Electronic
Mechanical + Electronic
Max mechanical speed
1/2000 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for wildlife, PowerShot G7 X Mark III or PowerShot SX740 HS?

PowerShot SX740 HS scores 5.0/10 versus 2.5/10 for PowerShot G7 X Mark III — Bird AF subject recognition.

What's the resolution difference between the PowerShot G7 X Mark III and PowerShot SX740 HS?

PowerShot G7 X Mark III is 20.1 MP and PowerShot SX740 HS is 20.3 MP, so the PowerShot SX740 HS captures more detail for cropping and large prints.

How does stabilization compare between the PowerShot G7 X Mark III and PowerShot SX740 HS?

PowerShot G7 X Mark III does not have IBIS, while PowerShot SX740 HS does not have IBIS.

Which shoots faster bursts — the PowerShot G7 X Mark III or the PowerShot SX740 HS?

PowerShot G7 X Mark III reaches 20 fps electronic. PowerShot SX740 HS reaches 10 fps electronic.

What's the weight difference between the PowerShot G7 X Mark III and PowerShot SX740 HS?

PowerShot G7 X Mark III weighs 304 g and PowerShot SX740 HS weighs 299 g, so the PowerShot SX740 HS is 5 g lighter.

Do the PowerShot G7 X Mark III and PowerShot SX740 HS record 4K video?

PowerShot G7 X Mark III: 4K up to 29.97p. PowerShot SX740 HS: 4K up to 30p.

Are the PowerShot G7 X Mark III and PowerShot SX740 HS weather sealed?

PowerShot G7 X Mark III: No. PowerShot SX740 HS: No.

Which has better battery life?

Rated battery life is 320 shots (CIPA) for the PowerShot G7 X Mark III and 265 shots for the PowerShot SX740 HS, giving the PowerShot G7 X Mark III the edge.

How much does each cost?

PowerShot G7 X Mark III launched at $749 and PowerShot SX740 HS at $399. The PowerShot SX740 HS 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 PowerShot SX740 HS vs X comparison.

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

Product images courtesy of Canon press materials.