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Canon

EOS C400

RF-mount Super 35 cinema camera with 6K 60p, Cinema RAW Light, and built-in 9-stop ND.

$7,999

Launch price

Released Sep 2024

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vs

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

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Full specs →

EOS C400 is 3 months newer.

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Wins

4categories

EOS C400

★ Sports & Action★ Video & Hybrid

Wins

2categories

GO 3S

1 categories tied

Which would you choose?

TL;DR — Key differences

EOS C400 wins 4 categories·GO 3S wins 1 categories
  • AEOS C400 has higher AF points / zones (1053 vs 0)
  • AEOS C400 has higher Card slots (2 vs 0)
  • BGO 3S has lower Weight (39 g vs 1450 g)
  • AEOS C400 has higher ISO max (native) (25,600 vs 3,200)
  • AEOS C400 has higher 4K max frame rate (120 fps vs 30 fps)

Key specs at a glance

EOS C400GO 3S
Resolution6.2 MP12 MP
Sensor26.1 × 13.8 mm1/2.3 inch
ISO max25,6003,200
Burst20 fps—
4K120 fps30 fps
IBIS7-stopNo
Weight1450 g39 g
Battery640 shots—

Size and weight, to scale

EOS C400

162 × 138 × 130 mm

1450 g (3.20 lb / 51.15 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

26 × 54 × 25 mm

39 g (0.09 lb / 1.38 oz)

EOS C400 is 136mm wider, 84mm taller, and 105mm thicker than GO 3S.

EOS C400 is 1411 g heavier than GO 3S.

Depth (front-to-back): 130mm EOS C400 · 25mm GO 3S

Sensor size, to scale

EOS C400

26.1 × 13.8 mm · APS-C

360 mm² area

Lens ecosystem

Native lens selection

EOS C400

✓ 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 C400GO 3S
Portrait
4.0Fair✓ wins
1.0Limited
Sports & Action
9.5Excellent✓ wins
4.0Fair
Video & Hybrid
9.0Excellent✓ wins
3.0Limited
Landscape
3.5Limited✓ wins
1.5Limited
Travel
5.5Fair✓ wins
5.0Fair
Wildlife
9.0Excellent✓ wins
1.5Limited
Vlogging
5.5Fair✓ wins
3.0Limited

Why pick one over the other

Reasons to choose

EOS C400

  • AF points / zones

    1053 vs 0 — higher is better

  • Subject recognition

    Adds Human, Animal, Bird…

  • Codecs

    Adds Cinema RAW Light, XF-AVC, Apple ProRes

  • Dimensions (W×H×D mm)

    Adds 162, 138, 130

  • Card slots

    2 vs 0 — higher is better

  • Card types

    Adds SD UHS-II

  • ISO max (native)

    25,600 vs 3,200 — higher is better

  • 4K max frame rate

    120 fps vs 30 fps — higher is better

Reasons to choose

GO 3S

  • Codecs

    Adds H.264

  • Stabilization modes

    Adds FlowState, Horizon Lock

  • Dimensions (W×H×D mm)

    Adds 25.6, 54.4, 24.8

  • Weight

    39 g vs 1450 g — lower is better

  • Resolution

    12 MP vs 6.2 MP — higher is better

Both cameras share

  • ✓ISO min (native) — Both 100
  • ✓Weather sealing — Both support weather sealing
  • ✓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.

EOS C400

Pros

  • ✓6K 60p internal
  • ✓Built-in 9-stop ND
  • ✓Dual gain sensor
  • ✓RF mount

Cons

  • –Super 35 only
  • –Premium price
  • –Large media needs

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 C400 and GO 3S at major authorized retailers.

Canon EOS C400

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Insta360 GO 3S

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Full specifications

✓ = category winner

EOS C400
GO 3S
Resolution
6.2 MP
12 MP✓+94%
Sensor type
Super 35 Dual Gain CMOS
1/2.3-inch CMOS
Sensor size
26.1 × 13.8 mm
1/2.3 inch
AA filter
No
—
EOS C400
GO 3S
Aperture
—
f/2.8
Focal length (35mm equiv.)
—
16 mm
EOS C400
GO 3S
Processor
DIGIC X
—
EOS C400
GO 3S
ISO min (native)
100
100
ISO max (native)
25,600✓+3 stops
3,200
ISO max (expanded)
102,400
3,200
EOS C400
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 wildlife, EOS C400 or GO 3S?

EOS C400 scores 9.0/10 versus 1.5/10 for GO 3S — 20fps burst captures fleeting moments.

What's the resolution difference between the EOS C400 and GO 3S?

EOS C400 is 6.2 MP and GO 3S is 12 MP, so the GO 3S captures more detail for cropping and large prints.

Do the EOS C400 and GO 3S have in-body image stabilization?

EOS C400 has 7-stop in-body image stabilization, while GO 3S uses FlowState 6-axis (electronic).

What's the weight difference between the EOS C400 and GO 3S?

EOS C400 weighs 1450 g and GO 3S weighs 39 g, so the GO 3S is 1411 g lighter.

Do the EOS C400 and GO 3S record 4K video?

EOS C400: 6K 60p (max), 4K up to 120p. GO 3S: 4K up to 30p.

Are the EOS C400 and GO 3S weather sealed?

EOS C400: Yes. GO 3S: Yes.

How much does each cost?

EOS C400 launched at $7,999 and GO 3S at $400. The GO 3S is $7,599 less.

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

Add any camera to get a three-way EOS C400 vs GO 3S vs X comparison.

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