Canon
EOS R6 Mark II
Versatile 24.2MP full-frame hybrid with class-leading AF and 4K 60p video.
$2,499
Released Nov 2022
EOS R6 Mark II is 1.8 years newer.
Wins
EOS R6 Mark II
Wins
GFX100S
5 categories tied
TL;DR — Key differences
- AEOS R6 Mark II has higher Burst (electronic) (40 fps vs 2.9 fps)
- AEOS R6 Mark II has higher ISO max (native) (102,400 vs 12,800)
- AEOS R6 Mark II has higher RAW buffer depth (180 frames vs 23 frames)
- BGFX100S has higher Resolution (102 MP vs 24.2 MP)
- AEOS R6 Mark II has higher AF points / zones (1053 vs 425)
Key specs at a glance
Size and weight, to scale
EOS R6 Mark II
138 × 98 × 88 mm
680 g (1.50 lb / 23.99 oz)
GFX100S
150 × 104 × 87 mm
900 g (1.98 lb / 31.75 oz)
EOS R6 Mark II is 12mm narrower and 6mm shorter than GFX100S but it is also 1mm thicker.
EOS R6 Mark II is 220 g lighter than GFX100S.
Depth (front-to-back): 88mm EOS R6 Mark II · 87mm GFX100S
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark II
138 × 98 mm
GFX100S
150 × 104 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 Mark II
138 × 88 mm
GFX100S
150 × 87 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
GFX100S
43.8 × 32.9 mm · Medium Format
1441 mm² area
1.7× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R6 Mark II
✓ more lensesCanon RF
105+
native lenses available
GFX100S: 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
Why pick one over the other
Reasons to choose
EOS R6 Mark II
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Burst (electronic)
40 fps vs 2.9 fps — higher is better
ISO max (native)
102,400 vs 12,800 — higher is better
RAW buffer depth
180 frames vs 23 frames — higher is better
AF points / zones
1053 vs 425 — higher is better
Burst (mechanical)
12 fps vs 5 fps — higher is better
AA filter
Only EOS R6 Mark II supports it
Reasons to choose
GFX100S
Dimensions (W×H×D mm)
Adds 150, 104.2, 87.2
Resolution
102 MP vs 24.2 MP — higher is better
Card types
Adds SDXC V90
Max video bit rate
400 Mbps vs 340 Mbps — higher is better
EVF magnification
0.77 × vs 0.76 × — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓In-body stabilization — Both support in-body stabilization
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 2
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R6 Mark II
Pros
- ✓Up to 40fps electronic burst
- ✓4K 60p oversampled from 6K
- ✓Dual Pixel CMOS AF II — superb subject tracking
- ✓8-stop IBIS
- ✓Fully articulating touchscreen
Cons
- –24.2MP may feel limiting for large prints
- –No CFexpress on base body
- –Short battery life vs. A7 IV
GFX100S
Pros
- ✓102MP
- ✓IBIS
- ✓Medium format quality
Cons
- –Price
- –Slow AF
- –Huge files
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R6 Mark II or GFX100S?
EOS R6 Mark II scores 8.5/10 versus 3.0/10 for GFX100S — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R6 Mark II and GFX100S?
EOS R6 Mark II is 24.2 MP and GFX100S is 102 MP, so the GFX100S captures more detail for cropping and large prints.
Do the EOS R6 Mark II and GFX100S have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while gFX100S has 6-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark II or the GFX100S?
EOS R6 Mark II reaches 40 fps electronic. GFX100S reaches 5 fps mechanical.
What's the weight difference between the EOS R6 Mark II and GFX100S?
EOS R6 Mark II weighs 680 g and GFX100S weighs 900 g, so the EOS R6 Mark II is 220 g lighter.
Do the EOS R6 Mark II and GFX100S record 4K video?
EOS R6 Mark II: 4K up to 60p. GFX100S: 4K up to 30p.
Are the EOS R6 Mark II and GFX100S weather sealed?
EOS R6 Mark II: Yes. GFX100S: Yes.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 460 shots for the GFX100S, giving the EOS R6 Mark II the edge.
How much does each cost?
EOS R6 Mark II launched at $2,499 and GFX100S at $5,999. The EOS R6 Mark II is $3,500 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Fujifilm press materials.