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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

vs
Alpha 7R VI

Sony

Alpha 7R VI

66.8MP stacked full-frame high-resolution body with 30fps bursts, 8K 30p, 4K 120p, and Sony's AI processing unit.

$4,499

Launch price

Released Jun 2026

Alpha 7R VI is 1.8 years newer.

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Wins

3categories

EOS C400

Sports & ActionVideo & Hybrid

Wins

8categories

Alpha 7R VI

PortraitVideo & Hybrid

3 categories tied

Which would you choose?

TL;DR — Key differences

EOS C400 wins 0 categories·Alpha 7R VI wins 5 categories
  • BAlpha 7R VI has higher Resolution (66.8 MP vs 6.2 MP)
  • BAlpha 7R VI has higher Max video bit rate (600 Mbps vs 200 Mbps)
  • BAlpha 7R VI has higher EVF resolution (9,437,184 vs 3,690,000)
  • BAlpha 7R VI has lower Weight (713 g vs 1450 g)
  • BAlpha 7R VI has higher Burst (electronic) (30 fps vs 20 fps)

Key specs at a glance

EOS C400Alpha 7R VI
Resolution6.2 MP66.8 MP
Sensor26.1 × 13.8 mmFull Frame
ISO max25,60032,000
Burst20 fps30 fps
4K120 fps120 fps
IBIS7-stopYes
Weight1450 g713 g
Battery640 shots600 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

Alpha 7R VI front view

Alpha 7R VI

133 × 97 × 83 mm

713 g (1.57 lb / 25.15 oz)

EOS C400 is 29mm wider, 41mm taller, and 47mm thicker than Alpha 7R VI.

EOS C400 is 737 g heavier than Alpha 7R VI.

Depth (front-to-back): 130mm EOS C400 · 83mm Alpha 7R VI

Back view, to scale

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

EOS C400

162 × 138 mm

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

Credit card

85.6 × 54 mm

Alpha 7R VI back view

Alpha 7R VI

133 × 97 mm

Top view, to scale

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

EOS C400

162 × 130 mm

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

Credit card

85.6 × 54 mm

Alpha 7R VI top view

Alpha 7R VI

133 × 83 mm

Sensor size, to scale

EOS C400

26.1 × 13.8 mm · APS-C

360 mm² area

Alpha 7R VI

35.9 × 24 mm · Full Frame

862 mm² area

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

Lens ecosystem

Native lens selection

EOS C400

Canon RF

105+

native lenses available

45 first-party60 third-party

Alpha 7R VI

✓ more lenses

Sony E

350+

native lenses available

80 first-party270 third-party

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 C400Alpha 7R VI
Portrait
4.0Fair
8.5Excellent✓ wins
Sports & Action
9.5Excellent✓ wins
7.0Good
Video & Hybrid
9.0Excellent✓ wins
8.0Excellent
Landscape
3.5Limited
7.5Good✓ wins
Travel
5.5Fair✓ wins
5.0Fair
Wildlife
9.0Excellent✓ wins
6.5Good
Vlogging
5.5Fair
5.5Fair

Why pick one over the other

Reasons to choose

EOS C400

  • Codecs

    Adds Cinema RAW Light, XF-AVC, Apple ProRes

  • Dimensions (W×H×D mm)

    Adds 162, 138, 130

  • Card types

    Adds SD UHS-II

  • AF low-light limit

    -6.5 EV vs -6 EV — lower is better

  • Pre-Capture / Pre-Release

    Only EOS C400 supports it

  • Internal RAW video

    Only EOS C400 supports it

  • Weather sealing

    Only EOS C400 supports it

  • AF points / zones

    1053 vs 759 — higher is better

Reasons to choose

Alpha 7R VI

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I…

  • Dimensions (W×H×D mm)

    Adds 132.7, 96.9, 82.9

  • Card types

    Adds CFexpress Type A, SDXC UHS-II

  • Resolution

    66.8 MP vs 6.2 MP — higher is better

  • Max video bit rate

    600 Mbps vs 200 Mbps — higher is better

  • EVF resolution

    9,437,184 vs 3,690,000 — higher is better

  • Weight

    713 g vs 1450 g — lower is better

  • Subject recognition

    Adds Eye, Insect

Both cameras share

  • ISO min (native)Both 100
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • 4K max frame rateBoth 120 fps
  • In-body stabilization (IBIS)Both support in-body stabilization (ibis)
  • Card slotsBoth 2

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

Alpha 7R VI

Pros

  • 66.8MP stacked full-frame sensor
  • 30fps blackout-free electronic burst
  • 8K 30p and 4K 120p video
  • 5-axis sensor-shift stabilization
  • 9.44M-dot HDR OLED EVF

Cons

  • Very expensive
  • Large files demand fast cards and storage
  • 8K workflow can be heavy

Decided which one is right for you?

Compare live prices for the EOS C400 and Alpha 7R VI 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 C400
Alpha 7R VI
Resolution
6.2 MP
66.8 MP10.8× more
Sensor type
Super 35 Dual Gain CMOS
Full-Frame Stacked CMOS
Sensor size
26.1 × 13.8 mm
35.9 × 24.0 mm
AA filter
No
No
EOS C400
Alpha 7R VI
Processor
DIGIC X
BIONZ XR with AI processing unit
EOS C400
Alpha 7R VI
ISO min (native)
100
100
ISO max (native)
25,600
32,000+0.3 stops
ISO max (expanded)
102,400
102,400
EOS C400
Alpha 7R VI
Shutter type
Mechanical + Electronic
Mechanical focal plane shutter + electronic rolling shutter
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for portraits, EOS C400 or Alpha 7R VI?

Alpha 7R VI scores 8.5/10 versus 4.0/10 for EOS C400 — 66.8MP — excellent for large prints and crops.

What's the resolution difference between the EOS C400 and Alpha 7R VI?

EOS C400 is 6.2 MP and Alpha 7R VI is 66.8 MP, so the Alpha 7R VI captures more detail for cropping and large prints.

Do the EOS C400 and Alpha 7R VI have in-body image stabilization?

EOS C400 has 7-stop in-body image stabilization, while Alpha 7R VI has in-body image stabilization.

Which shoots faster bursts — the EOS C400 or the Alpha 7R VI?

EOS C400 reaches 20 fps electronic. Alpha 7R VI reaches 30 fps electronic.

What's the weight difference between the EOS C400 and Alpha 7R VI?

EOS C400 weighs 1450 g and Alpha 7R VI weighs 713 g, so the Alpha 7R VI is 737 g lighter.

Do the EOS C400 and Alpha 7R VI record 4K video?

EOS C400: 6K 60p (max), 4K up to 120p. Alpha 7R VI: 8K (max), 4K up to 120p.

Are the EOS C400 and Alpha 7R VI weather sealed?

EOS C400: Yes. Alpha 7R VI: No.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the EOS C400 and 600 shots for the Alpha 7R VI, giving the EOS C400 the edge.

How much does each cost?

EOS C400 launched at $7,999 and Alpha 7R VI at $4,499. The Alpha 7R VI is $3,500 less.

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

Add any camera to get a three-way EOS C400 vs Alpha 7R VI vs X comparison.

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

Product images courtesy of Canon and Sony press materials.