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Canon

EOS R3

Pro 24MP full-frame stacked-sensor body built for sports, news, wildlife, and high-speed hybrid capture.

$5,999

Launch price

Released Sep 2021

vs

Canon

PowerShot G5 X Mark II

1-inch premium compact with pop-up EVF, 24–120mm f/1.8–2.8 zoom, and 4K for travel.

$899

Launch price

Released Jul 2019

EOS R3 is 2.2 years newer.

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Wins

9categories

EOS R3

Video & HybridSports & Action

Wins

2categories

PowerShot G5 X Mark II

Sports & ActionVlogging

4 categories tied

Which would you choose?

TL;DR — Key differences

EOS R3 wins 4 categories·PowerShot G5 X Mark II wins 1 categories
  • AEOS R3 has higher Max video bit rate (2600 Mbps vs 150 Mbps)
  • AEOS R3 has higher ISO max (native) (102,400 vs 25,600)
  • BPowerShot G5 X Mark II has lower Weight (361 g vs 1015 g)
  • AEOS R3 has higher RAW buffer depth (150 frames vs 60 frames)
  • AEOS R3 has higher Burst (mechanical) (12 fps vs 6 fps)

Key specs at a glance

EOS R3PowerShot G5 X Mark II
Resolution24.1 MP20.1 MP
SensorFull Frame13.2 × 8.8 mm
ISO max102,40025,600
Burst30 fps15 fps
4K120 fps60 fps
IBIS8-stop6-stop
Weight1015 g361 g
Battery620 shots640 shots

Size and weight, to scale

EOS R3

150 × 143 × 87 mm

1015 g (2.24 lb / 35.80 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 G5 X Mark II

112 × 62 × 46 mm

361 g (0.80 lb / 12.73 oz)

EOS R3 is 38mm wider, 81mm taller, and 41mm thicker than PowerShot G5 X Mark II.

EOS R3 is 654 g heavier than PowerShot G5 X Mark II.

Depth (front-to-back): 87mm EOS R3 · 46mm PowerShot G5 X Mark II

Sensor size, to scale

EOS R3

36 × 24 mm · Full Frame

864 mm² area

PowerShot G5 X Mark II

13.2 × 8.8 mm · 1-inch

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 lenses

Canon RF

105+

native lenses available

45 first-party60 third-party

PowerShot G5 X Mark II: 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

Use caseEOS R3PowerShot G5 X Mark II
Portrait
7.5Good✓ wins
4.0Fair
Sports & Action
8.5Excellent✓ wins
7.5Good
Video & Hybrid
9.0Excellent✓ wins
6.0Good
Landscape
7.0Good✓ wins
2.0Limited
Travel
6.5Good
6.5Good
Wildlife
5.0Fair
6.5Good✓ wins
Vlogging
5.5Fair
7.5Good✓ wins

Why pick one over the other

Reasons to choose

EOS R3

  • AF low-light limit

    -7.5 EV vs -6.5 EV — lower is better

  • Subject recognition

    Adds People, Dogs, Cats…

  • Dimensions (W×H×D mm)

    Adds 150, 142.6, 87.2

  • Max video bit rate

    2600 Mbps vs 150 Mbps — higher is better

  • ISO max (native)

    102,400 vs 25,600 — higher is better

  • RAW buffer depth

    150 frames vs 60 frames — higher is better

  • Burst (mechanical)

    12 fps vs 6 fps — higher is better

  • Burst (electronic)

    30 fps vs 15 fps — higher is better

Reasons to choose

PowerShot G5 X Mark II

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 112, 62, 46

  • Weight

    361 g vs 1015 g — lower is better

  • Pre-Capture / Pre-Release

    Only PowerShot G5 X Mark II supports it

  • Battery life (CIPA)

    640 shots vs 620 shots — higher is better

Both cameras share

  • AA filterBoth support aa filter
  • ISO min (native)Both 100
  • AF points / zonesBoth 1053
  • AF frame coverageBoth 100 %
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af

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 G5 X Mark II

Pros

  • Pop-up EVF
  • 24–120mm f/1.8–2.8
  • 4K video
  • Compact premium

Cons

  • 1-inch sensor
  • Fixed lens
  • Superseded by G7 X IV

Decided which one is right for you?

Compare live prices for the EOS R3 and PowerShot G5 X Mark II at major authorized retailers.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Full specifications

= category winner

EOS R3
PowerShot G5 X Mark II
Resolution
24.1 MP+20%
20.1 MP
Sensor type
Full Frame Stacked BSI CMOS
1-inch CMOS
Sensor size
36.0 × 24.0 mm
13.2 × 8.8 mm
AA filter
Yes
Yes
EOS R3
PowerShot G5 X Mark II
Processor
DIGIC X
DIGIC X
EOS R3
PowerShot G5 X Mark II
ISO min (native)
100
100
ISO max (native)
102,400+2 stops
25,600
ISO max (expanded)
204,800
102,400
EOS R3
PowerShot G5 X Mark II
Shutter type
Mechanical + Electronic
Mechanical + Electronic
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/64000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, EOS R3 or PowerShot G5 X Mark II?

EOS R3 scores 7.0/10 versus 2.0/10 for PowerShot G5 X Mark II — Full-frame sensor — wider dynamic range.

What's the resolution difference between the EOS R3 and PowerShot G5 X Mark II?

EOS R3 is 24.1 MP and PowerShot G5 X Mark II is 20.1 MP, so the EOS R3 captures more detail for cropping and large prints.

Do the EOS R3 and PowerShot G5 X Mark II have in-body image stabilization?

EOS R3 has 8-stop in-body image stabilization, while PowerShot G5 X Mark II has 6-stop in-body image stabilization.

Which shoots faster bursts — the EOS R3 or the PowerShot G5 X Mark II?

EOS R3 reaches 30 fps electronic. PowerShot G5 X Mark II reaches 15 fps electronic.

What's the weight difference between the EOS R3 and PowerShot G5 X Mark II?

EOS R3 weighs 1015 g and PowerShot G5 X Mark II weighs 361 g, so the PowerShot G5 X Mark II is 654 g lighter.

Do the EOS R3 and PowerShot G5 X Mark II record 4K video?

EOS R3: 6K RAW (max), 4K up to 120p. PowerShot G5 X Mark II: 4K up to 60p.

Are the EOS R3 and PowerShot G5 X Mark II weather sealed?

EOS R3: Yes. PowerShot G5 X Mark II: No.

Which has better battery life?

Rated battery life is 620 shots (CIPA) for the EOS R3 and 640 shots for the PowerShot G5 X Mark II, giving the PowerShot G5 X Mark II the edge.

How much does each cost?

EOS R3 launched at $5,999 and PowerShot G5 X Mark II at $899. The PowerShot G5 X Mark II is $5,100 less.

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

Add any camera to get a three-way EOS R3 vs PowerShot G5 X Mark II vs X comparison.

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