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EOS R6 Mark II

Canon

EOS R6 Mark II

Versatile 24.2MP full-frame hybrid with class-leading AF and 4K 60p video.

$2,499

Launch price

Released Nov 2022

vs
GO 3S

Insta360

GO 3S

Thumb-sized 4K POV camera with magnetic mounting, Action Pod remote preview, FlowState stabilization, and 10m waterproof body.

$400

Launch price

Released Jun 2024

GO 3S is 1.6 years newer.

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Wins

5categories

EOS R6 Mark II

Sports & ActionPortrait

Wins

1categories

GO 3S

1 categories tied

Which would you choose?

TL;DR — Key differences

EOS R6 Mark II wins 4 categories·GO 3S wins 1 categories
  • AEOS R6 Mark II has higher AF points / zones (1053 vs 0)
  • AEOS R6 Mark II has higher ISO max (native) (102,400 vs 3,200)
  • BGO 3S has lower Weight (135.4 g vs 670 g)
  • AEOS R6 Mark II has higher Resolution (24.2 MP vs 12 MP)
  • AEOS R6 Mark II has higher 4K max frame rate (60 fps vs 30 fps)

Key specs at a glance

EOS R6 Mark IIGO 3S
Resolution24.2 MP12 MP
SensorFull Frame1/2.3 inch
ISO max102,4003,200
Burst40 fps
4K60 fps30 fps
IBIS8-stopNo
Weight670 g135.4 g
Battery760 shots

Size and weight, to scale

EOS R6 Mark II front view

EOS R6 Mark II

138 × 98 × 88 mm

670 g (1.48 lb / 23.63 oz)

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

Credit card

85.6 × 54 mm

for scale

GO 3S front view

GO 3S

54 × 25 × 26 mm

135.4 g (0.30 lb / 4.78 oz)

EOS R6 Mark II is 84mm wider, 74mm taller, and 63mm thicker than GO 3S.

EOS R6 Mark II is 535 g heavier than GO 3S.

Depth (front-to-back): 88mm EOS R6 Mark II · 26mm GO 3S

Back view, to scale

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

EOS R6 Mark II back view

EOS R6 Mark II

138 × 98 mm

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

Credit card

85.6 × 54 mm

GO 3S back view

GO 3S

54 × 25 mm

Top view, to scale

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

EOS R6 Mark II top view

EOS R6 Mark II

138 × 88 mm

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

Credit card

85.6 × 54 mm

GO 3S top view

GO 3S

54 × 26 mm

Sensor size, to scale

EOS R6 Mark II

35.9 × 23.9 mm · Full Frame

858 mm² area

Lens ecosystem

Native lens selection

EOS R6 Mark II

✓ more lenses

Canon RF

105+

native lenses available

45 first-party60 third-party

GO 3S: 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 R6 Mark IIGO 3S
Portrait
8.5Excellent✓ wins
1.0Limited
Sports & Action
9.0Excellent✓ wins
4.0Fair
Video & Hybrid
7.5Good✓ wins
1.5Limited
Landscape
7.0Good✓ wins
1.5Limited
Travel
7.5Good✓ wins
5.0Fair
Wildlife
6.5Good✓ wins
1.5Limited
Vlogging
8.0Excellent✓ wins
3.0Limited

Why pick one over the other

Reasons to choose

EOS R6 Mark II

  • AF points / zones

    1053 vs 0 — higher is better

  • Subject recognition

    Adds People, Dogs, Cats…

  • Codecs

    Adds H.265, H.264

  • Dimensions (W×H×D mm)

    Adds 138.4, 98.4, 88.4

  • Card types

    Adds SD UHS-II, SD UHS-II

  • ISO max (native)

    102,400 vs 3,200 — higher is better

  • Resolution

    24.2 MP vs 12 MP — higher is better

  • AA filter

    Only EOS R6 Mark II 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 670 g — lower is better

Both cameras share

  • ISO min (native)Both 100
  • Weather sealingBoth support weather sealing
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi
  • BluetoothBoth support bluetooth

Pros & cons at a glance

Editorially curated highlights and trade-offs.

EOS R6 Mark II

Pros

  • Up to 40fps electronic burst
  • 4K 60p oversampled from 6K
  • Dual Pixel CMOS AF II — superb subject tracking
  • 8-stop IBIS
  • Fully articulating touchscreen

Cons

  • 24.2MP may feel limiting for large prints
  • No CFexpress on base body
  • Short battery life vs. A7 IV

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 EOS R6 Mark II and GO 3S 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 R6 Mark II
GO 3S
Resolution
24.2 MP2× more
12 MP
Sensor type
Full Frame CMOS
CMOS
Sensor size
35.9 × 23.9 mm
1/2.3 inch
AA filter
Yes
No
EOS R6 Mark II
GO 3S
Aperture
2.8
Focal length (35mm equiv.)
16
EOS R6 Mark II
GO 3S
Processor
DIGIC X
EOS R6 Mark II
GO 3S
ISO min (native)
100
100
ISO max (native)
102,400+5 stops
3,200
ISO max (expanded)
204,800
3,200
EOS R6 Mark II
GO 3S
Shutter type
Mechanical + Electronic
Electronic shutter
Max mechanical speed
1/8000 sec
Max electronic speed
1/16000 sec
1/8000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for portraits, EOS R6 Mark II or GO 3S?

EOS R6 Mark II scores 8.5/10 versus 1.0/10 for GO 3S — 24.2MP — solid resolution.

What's the resolution difference between the EOS R6 Mark II and GO 3S?

EOS R6 Mark II is 24.2 MP and GO 3S is 12 MP, so the EOS R6 Mark II captures more detail for cropping and large prints.

Do the EOS R6 Mark II and GO 3S have in-body image stabilization?

EOS R6 Mark II has 8-stop in-body image stabilization, while GO 3S does not have IBIS.

What's the weight difference between the EOS R6 Mark II and GO 3S?

EOS R6 Mark II weighs 670 g and GO 3S weighs 135.4 g, so the GO 3S is 535 g lighter.

Do the EOS R6 Mark II and GO 3S record 4K video?

EOS R6 Mark II: 4K up to 60p. GO 3S: 4K up to 30p.

Are the EOS R6 Mark II and GO 3S weather sealed?

EOS R6 Mark II: Yes. GO 3S: Yes.

How much does each cost?

EOS R6 Mark II launched at $2,499 and GO 3S at $400. The GO 3S is $2,099 less.

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

Add any camera to get a three-way EOS R6 Mark II 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.