Fujifilm
GFX100S II
Compact 102MP GFX medium format body with X-Processor 5, 8-stop IBIS, and updated subject detection.
$4,999
Released May 2024
Fujifilm
X-S20
Creator-friendly APS-C hybrid with vlog features and strong AF.
$1,299
Released May 2023
GFX100S II is 1 year newer.
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Wins
GFX100S II
Wins
X-S20
4 categories tied
TL;DR — Key differences
- BX-S20 has higher Burst (electronic) (30 fps vs 4.1 fps)
- AGFX100S II has higher Resolution (102 MP vs 26.1 MP)
- AGFX100S II has higher EVF resolution (5,760,000 vs 2,360,000)
- AGFX100S II has lower ISO min (native) (80 vs 160)
- BX-S20 has higher 4K max frame rate (60 fps vs 30 fps)
Key specs at a glance
Size and weight, to scale
GFX100S II
150 × 104 × 87 mm
883 g (1.95 lb / 31.15 oz)
X-S20
128 × 85 × 65 mm
491 g (1.08 lb / 17.32 oz)
GFX100S II is 22mm wider, 19mm taller, and 22mm thicker than X-S20.
GFX100S II is 392 g heavier than X-S20.
Depth (front-to-back): 87mm GFX100S II · 65mm X-S20
Sensor size, to scale
GFX100S II
43.8 × 32.9 mm · Medium Format
1441 mm² area
X-S20
23.5 × 15.6 mm · APS-C
367 mm² area
3.9× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
GFX100S II: mount data unavailable
X-S20
✓ more lensesFujifilm X
105+
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
GFX100S II
Dimensions (W×H×D mm)
Adds 150, 104.2, 87.2
Resolution
102 MP vs 26.1 MP — higher is better
Codecs
Adds Apple ProRes 422 HQ, Apple ProRes 422, Apple ProRes 422 LT
EVF resolution
5,760,000 vs 2,360,000 — higher is better
ISO min (native)
80 vs 160 — lower is better
Max video bit rate
720 Mbps vs 360 Mbps — higher is better
Weather sealing
Only GFX100S II supports it
Card slots
2 vs 1 — higher is better
Reasons to choose
X-S20
Dimensions (W×H×D mm)
Adds 127.7, 85.1, 65.4
Burst (electronic)
30 fps vs 4.1 fps — higher is better
Pre-Capture / Pre-Release
Only X-S20 supports it
4K max frame rate
60 fps vs 30 fps — higher is better
Weight
491 g vs 883 g — lower is better
Battery life (CIPA)
750 shots vs 530 shots — higher is better
Burst (mechanical)
8 fps vs 7 fps — higher is better
Both cameras share
- ✓ISO max (native) — Both 12,800
- ✓AF points / zones — Both 425
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Internal RAW video — Both support internal raw video
Pros & cons at a glance
Editorially curated highlights and trade-offs.
GFX100S II
Pros
- ✓102MP medium format sensor
- ✓8-stop IBIS
- ✓X-Processor 5
- ✓Compact for GFX
Cons
- –Large files
- –Premium price
- –Medium format AF not for sports
X-S20
Pros
- ✓Vlog modes
- ✓IBIS
- ✓Compact
- ✓Good battery
Cons
- –26MP APS-C
- –Not flagship build
- –4K crop in some modes
Decided which one is right for you?
Compare live prices for the GFX100S II and X-S20 at major authorized retailers.
Fujifilm GFX100S II
Fujifilm X-S20
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, GFX100S II or X-S20?
GFX100S II scores 7.0/10 versus 2.5/10 for X-S20 — 102MP — massive detail for large prints.
What's the resolution difference between the GFX100S II and X-S20?
GFX100S II is 102 MP and X-S20 is 26.1 MP, so the GFX100S II captures more detail for cropping and large prints.
Do the GFX100S II and X-S20 have in-body image stabilization?
GFX100S II has 8-stop in-body image stabilization, while x-S20 has 7-stop in-body image stabilization.
Which shoots faster bursts — the GFX100S II or the X-S20?
GFX100S II reaches 7 fps mechanical. X-S20 reaches 30 fps electronic.
What's the weight difference between the GFX100S II and X-S20?
GFX100S II weighs 883 g and X-S20 weighs 491 g, so the X-S20 is 392 g lighter.
Do the GFX100S II and X-S20 record 4K video?
GFX100S II: 4K up to 30p. X-S20: 4K up to 60p.
Are the GFX100S II and X-S20 weather sealed?
GFX100S II: Yes. X-S20: No.
Which has better battery life?
Rated battery life is 530 shots (CIPA) for the GFX100S II and 750 shots for the X-S20, giving the X-S20 the edge.
How much does each cost?
GFX100S II launched at $4,999 and X-S20 at $1,299. The X-S20 is $3,700 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.