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
Launch priceReleased Nov 2025
Sony
FX5
2026 Cinema Line full-frame camera with 16.6MP stacked Exmor RS, 5K Open Gate, internal 16-bit X-OCN RAW, triple base ISO, and FX3-class compact mobility.
$4,899
Launch priceReleased Aug 2026
FX5 is 9 months newer.
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.
Wins
EOS R6 Mark III
Wins
FX5
3 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R6 Mark III has higher Burst (mechanical) (12 fps vs 0 fps)
- AEOS R6 Mark III has higher Burst (electronic) (40 fps vs 0 fps)
- AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 200 Mbps)
- AEOS R6 Mark III has lower ISO min (native) (100 vs 800)
- AEOS R6 Mark III has higher ISO max (native) (64,000 vs 12,800)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R6 Mark III
138 × 98 × 88 mm
699 g (1.54 lb / 24.66 oz)
Credit card
85.6 × 54 mm
for scale
FX5
132 × 79 × 87 mm
734 g (1.62 lb / 25.89 oz)
EOS R6 Mark III is 6mm wider, 19mm taller, and 1mm thicker than FX5.
EOS R6 Mark III is 35 g lighter than FX5.
Depth (front-to-back): 88mm EOS R6 Mark III · 87mm FX5
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark III
138 × 98 mm
Credit card
85.6 × 54 mm
FX5
132 × 79 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
Credit card
85.6 × 54 mm
FX5
132 × 87 mm
Sensor size, to scale
EOS R6 Mark III
35.9 × 23.9 mm · Full Frame
858 mm² area
FX5
35.7 × 23.8 mm · Full Frame
850 mm² area
Lens ecosystem
Native lens selection
EOS R6 Mark III
Canon RF
105+
native lenses available
FX5
✓ 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
Subject recognition
Adds People, Dogs, Cats…
Burst (mechanical)
12 fps vs 0 fps — higher is better
Burst (electronic)
40 fps vs 0 fps — higher is better
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Max video bit rate
2600 Mbps vs 200 Mbps — higher is better
ISO min (native)
100 vs 800 — lower is better
ISO max (native)
64,000 vs 12,800 — higher is better
Codecs
Adds CRM, XF-HEVC S, XF-AVC S
Reasons to choose
FX5
Subject recognition
Adds Human, Animal, Bird
Dimensions (W×H×D mm)
Adds 132.3, 79, 86.95
Codecs
Adds X-OCN LT, X-OCN C1, X-OCN C2…
Card types
Adds CFexpress Type A
EVF resolution
7,070,000 vs 3,690,000 — higher is better
1080p max frame rate
240 fps vs 180 fps — higher is better
EVF magnification
0.9 × vs 0.76 × — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓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 (IBIS) — Both support in-body stabilization (ibis)
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
FX5
Pros
- ✓5K Open Gate + internal X-OCN RAW (LT / C1 / C2)
- ✓Triple base ISO 800 / 4000 / 12800 + Dual Gain
- ✓15+ stops DR (S-Log3) + BIONZ XR2 AI AF
- ✓5K 60p / 4K 120p / FHD 240p at launch
- ✓Compact body with IBIS, cooling, dual card slots
Cons
- –Body-only $4,899 — XLR handle / OLED EVF optional
- –Open Gate X-OCN only at launch (XAVC Open Gate via FW)
- –4K 240p / 5K 120p planned for 2027 firmware
- –No built-in EVF (optional DVF-EL1)
Decided which one is right for you?
Compare live prices for the EOS R6 Mark III and FX5 at major authorized retailers.
Canon EOS R6 Mark III
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
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R6 Mark III or FX5?
EOS R6 Mark III scores 10.0/10 versus 6.5/10 for FX5 — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R6 Mark III and FX5?
EOS R6 Mark III is 32.5 MP and FX5 is 16.6 MP, so the EOS R6 Mark III captures more detail for cropping and large prints.
Do the EOS R6 Mark III and FX5 have in-body image stabilization?
EOS R6 Mark III has 8.5-stop in-body image stabilization, while FX5 has 5.5-stop in-body image stabilization.
What's the weight difference between the EOS R6 Mark III and FX5?
EOS R6 Mark III weighs 699 g and FX5 weighs 734 g, so the EOS R6 Mark III is 35 g lighter.
Do the EOS R6 Mark III and FX5 record 4K video?
EOS R6 Mark III: 4K up to 120p. FX5: 4K up to 120p.
Are the EOS R6 Mark III and FX5 weather sealed?
EOS R6 Mark III: Yes. FX5: Yes.
How much does each cost?
EOS R6 Mark III launched at $2,799 and FX5 at $4,899. The EOS R6 Mark III is $2,100 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R6 Mark III vs FX5 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Canon and Sony press materials.