Canon
EOS M6 Mark II
Fast APS-C EF-M body with 32.5MP and 14fps — popular on the used market.
$849
Launch priceReleased Aug 2019
Sony
Alpha 6400
Popular APS-C body with fast AF and 11fps burst for enthusiasts.
$899
Launch priceReleased Feb 2019
EOS M6 Mark II is 6 months newer.
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Wins
EOS M6 Mark II
Wins
Alpha 6400
3 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS M6 Mark II has higher IBIS effectiveness (6 stops vs 0 stops)
- BAlpha 6400 has higher AF points / zones (425 vs 143)
- AEOS M6 Mark II has higher Burst (electronic) (30 fps vs 11 fps)
- AEOS M6 Mark II has higher Card slots (2 vs 1)
- AEOS M6 Mark II has higher Battery life (CIPA) (640 shots vs 360 shots)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareEOS M6 Mark II
138 × 98 × 88 mm
408 g (0.90 lb / 14.39 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 6400
120 × 67 × 60 mm
403 g (0.89 lb / 14.22 oz)
EOS M6 Mark II is 18mm wider, 31mm taller, and 28mm thicker than Alpha 6400.
EOS M6 Mark II is 5 g heavier than Alpha 6400.
Depth (front-to-back): 88mm EOS M6 Mark II · 60mm Alpha 6400
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS M6 Mark II
138 × 98 mm
Credit card
85.6 × 54 mm
Alpha 6400
120 × 67 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS M6 Mark II
138 × 88 mm
Credit card
85.6 × 54 mm
Alpha 6400
120 × 60 mm
Sensor size, to scale
EOS M6 Mark II
22.3 × 14.9 mm · APS-C
332 mm² area
Alpha 6400
23.5 × 15.6 mm · APS-C
367 mm² area
1.1× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS M6 Mark II: mount data unavailable
Alpha 6400
✓ more lensesSony E
350+
native lenses available
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
Why pick one over the other
Reasons to choose
EOS M6 Mark II
AF low-light limit
-6.5 EV vs -2 EV — lower is better
Codecs
Adds H.264
IBIS effectiveness
6 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 138, 98, 88
Card types
Adds SD UHS-II
Burst (electronic)
30 fps vs 11 fps — higher is better
AA filter
Only EOS M6 Mark II supports it
Subject recognition
Adds Bird, Vehicle
Reasons to choose
Alpha 6400
Codecs
Adds XAVC S, AVCHD
Dimensions (W×H×D mm)
Adds 120, 66.9, 59.7
Card types
Adds SD, SDHC, SDXC…
AF points / zones
425 vs 143 — higher is better
Animal / bird AF
Only Alpha 6400 supports it
EVF magnification
1.07 × vs 0.78 × — higher is better
ISO max (native)
32,000 vs 25,600 — higher is better
Weight
403 g vs 408 g — lower is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓1080p max frame rate — Both 120 fps
- ✓Weather sealing — Both support weather sealing
- ✓EVF refresh rate — Both 120 Hz
- ✓Touchscreen — Both support touchscreen
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS M6 Mark II
Pros
- ✓32.5MP APS-C
- ✓14fps
- ✓Compact
Cons
- –EF-M mount dead-end
- –No IBIS
- –No EVF built-in
Alpha 6400
Pros
- ✓Fast AF
- ✓Compact
- ✓Great value
Cons
- –No IBIS
- –Older design
- –No headphone jack
Decided which one is right for you?
Compare live prices for the EOS M6 Mark II and Alpha 6400 at major authorized retailers.
Canon EOS M6 Mark II
Sony Alpha 6400
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, EOS M6 Mark II or Alpha 6400?
EOS M6 Mark II scores 9.0/10 versus 5.5/10 for Alpha 6400 — 30fps burst captures fleeting moments.
What's the resolution difference between the EOS M6 Mark II and Alpha 6400?
EOS M6 Mark II is 32.5 MP and Alpha 6400 is 24.2 MP, so the EOS M6 Mark II captures more detail for cropping and large prints.
Do the EOS M6 Mark II and Alpha 6400 have in-body image stabilization?
EOS M6 Mark II has 6-stop in-body image stabilization, while Alpha 6400 does not have IBIS.
Which shoots faster bursts — the EOS M6 Mark II or the Alpha 6400?
EOS M6 Mark II reaches 30 fps electronic. Alpha 6400 reaches 11 fps electronic.
What's the weight difference between the EOS M6 Mark II and Alpha 6400?
EOS M6 Mark II weighs 408 g and Alpha 6400 weighs 403 g, so the Alpha 6400 is 5 g lighter.
Do the EOS M6 Mark II and Alpha 6400 record 4K video?
EOS M6 Mark II: 4K up to 30p. Alpha 6400: 4K up to 29.97p.
Are the EOS M6 Mark II and Alpha 6400 weather sealed?
EOS M6 Mark II: Yes. Alpha 6400: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS M6 Mark II and 360 shots for the Alpha 6400, giving the EOS M6 Mark II the edge.
How much does each cost?
EOS M6 Mark II launched at $849 and Alpha 6400 at $899. The EOS M6 Mark II is $50 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS M6 Mark II vs Alpha 6400 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.