Canon
EOS R6 Mark III
Hybrid 32.5MP full-frame RF body with 7K RAW video, 40fps electronic burst, 8.5-stop IBIS, and Dual Pixel CMOS AF II.
$2,799
Released Nov 2025
Sony
FX30
Super 35 cinema camera with 4K 120p and affordable entry to Sony Cinema Line.
$1,799
Released Sep 2022
EOS R6 Mark III is 3.2 years newer.
Wins
EOS R6 Mark III
Wins
FX30
3 categories tied
TL;DR — Key differences
- AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 600 Mbps)
- AEOS R6 Mark III has higher Burst (electronic) (40 fps vs 10 fps)
- AEOS R6 Mark III has higher RAW buffer depth (150 frames vs 60 frames)
- AEOS R6 Mark III has higher AF points / zones (1053 vs 495)
- AEOS R6 Mark III has higher ISO max (native) (64,000 vs 32,000)
Key specs at a glance
Size and weight, to scale
EOS R6 Mark III
138 × 98 × 88 mm
699 g (1.54 lb / 24.66 oz)
FX30
130 × 78 × 85 mm
646 g (1.42 lb / 22.79 oz)
EOS R6 Mark III is 9mm wider, 21mm taller, and 4mm thicker than FX30.
EOS R6 Mark III is 53 g heavier than FX30.
Depth (front-to-back): 88mm EOS R6 Mark III · 85mm FX30
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark III
138 × 98 mm
FX30
130 × 78 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 Mark III
138 × 88 mm
FX30
130 × 85 mm
Sensor size, to scale
EOS R6 Mark III
35.9 × 23.9 mm · Full Frame
858 mm² area
FX30
23.3 × 15.5 mm · APS-C
361 mm² area
2.4× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R6 Mark III
Canon RF
105+
native lenses available
FX30
✓ 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 R6 Mark III
AF low-light limit
-6.5 EV vs -3 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Max video bit rate
2600 Mbps vs 600 Mbps — higher is better
Burst (electronic)
40 fps vs 10 fps — higher is better
RAW buffer depth
150 frames vs 60 frames — higher is better
Codecs
Adds CRM, XF-HEVC S, XF-AVC S
AF points / zones
1053 vs 495 — higher is better
Reasons to choose
FX30
Subject recognition
Adds Human, Animal
Dimensions (W×H×D mm)
Adds 129.7, 77.8, 84.5
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
Card types
Adds CFexpress Type A
Weight
646 g vs 699 g — lower is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓4K max frame rate — Both 120 fps
- ✓Internal RAW video — Both support internal raw video
- ✓In-body stabilization — Both support in-body stabilization
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R6 Mark III
Pros
- ✓32.5MP full-frame sensor
- ✓7K RAW video & 4K 120p
- ✓40fps electronic burst with Pre-Continuous
- ✓8.5-stop IBIS
Cons
- –Single CFexpress Type B + SD slot
- –Smaller LCD than R5 II
- –LP-E6P required for full features
FX30
Pros
- ✓4K 120p
- ✓Affordable cinema
- ✓Active cooling
- ✓Log profiles
Cons
- –Super 35 crop
- –26MP stills crop
- –No full-frame
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R6 Mark III or FX30?
EOS R6 Mark III scores 8.5/10 versus 4.0/10 for FX30 — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R6 Mark III and FX30?
EOS R6 Mark III is 32.5 MP and FX30 is 26 MP, so the EOS R6 Mark III captures more detail for cropping and large prints.
Do the EOS R6 Mark III and FX30 have in-body image stabilization?
EOS R6 Mark III has 8.5-stop in-body image stabilization, while fX30 has 5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark III or the FX30?
EOS R6 Mark III reaches 40 fps electronic. FX30 reaches 10 fps electronic.
What's the weight difference between the EOS R6 Mark III and FX30?
EOS R6 Mark III weighs 699 g and FX30 weighs 646 g, so the FX30 is 53 g lighter.
Do the EOS R6 Mark III and FX30 record 4K video?
EOS R6 Mark III: 4K up to 120p. FX30: 4K up to 120p.
Are the EOS R6 Mark III and FX30 weather sealed?
EOS R6 Mark III: Yes. FX30: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 570 shots for the FX30, giving the EOS R6 Mark III the edge.
How much does each cost?
EOS R6 Mark III launched at $2,799 and FX30 at $1,799. The FX30 is $1,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.