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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

vs

Fujifilm

X-T20

Small X-T body with 24MP X-Trans III, 4K recording, and classic Fujifilm controls.

$899

Released Jan 2017

GFX100S II is 7.3 years newer.

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Wins

9categories

GFX100S II

LandscapeVideo & Hybrid

Wins

3categories

X-T20

5 categories tied

TL;DR — Key differences

GFX100S II wins 4 categories·X-T20 wins 1 categories
  • AGFX100S II has higher IBIS effectiveness (8 stops vs 0 stops)
  • AGFX100S II has higher Max video bit rate (720 Mbps vs 100 Mbps)
  • AGFX100S II has higher Resolution (102 MP vs 24.3 MP)
  • AGFX100S II has higher RAW buffer depth (96 frames vs 23 frames)
  • BX-T20 has higher Burst (electronic) (14 fps vs 4.1 fps)

Key specs at a glance

GFX100S IIX-T20
Resolution102 MP24.3 MP
Sensor43.8 x 32.9 mmAPS-C
ISO max12,80012,800
Burst7 fps14 fps
4K30 fps30 fps
IBIS8-stopNo
Weight883 g383 g
Battery530 shots350 shots

Size and weight, to scale

GFX100S II

150 × 104 × 87 mm

883 g (1.95 lb / 31.15 oz)

X-T20

118 × 83 × 41 mm

383 g (0.84 lb / 13.51 oz)

GFX100S II is 32mm wider, 21mm taller, and 46mm thicker than X-T20.

GFX100S II is 500 g heavier than X-T20.

Depth (front-to-back): 87mm GFX100S II · 41mm X-T20

Sensor size, to scale

GFX100S II

43.8 × 32.9 mm · Medium Format

1441 mm² area

X-T20

23.6 × 15.6 mm · APS-C

368 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-T20

✓ more lenses

Fujifilm X

105+

native lenses available

45 first-party60 third-party

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

Use caseGFX100S IIX-T20
Portrait
6.0Good✓ wins
5.5Fair
Sports & Action
4.0Fair✓ wins
3.0Limited
Video & Hybrid
6.5Good✓ wins
3.5Limited
Landscape
7.0Good✓ wins
1.5Limited
Travel
5.0Fair
5.5Fair✓ wins
Wildlife
5.0Fair✓ wins
1.5Limited
Vlogging
4.5Fair
4.5Fair

Why pick one over the other

Reasons to choose

GFX100S II

  • Subject recognition

    Adds Animal, Bird, Automobile…

  • IBIS effectiveness

    8 stops vs 0 stops — higher is better

  • Dimensions (W×H×D mm)

    Adds 150, 104.2, 87.2

  • Card types

    Adds SD UHS-II, SDXC V90, SSD via USB

  • Max video bit rate

    720 Mbps vs 100 Mbps — higher is better

  • Codecs

    Adds Apple ProRes 422 HQ, Apple ProRes 422, Apple ProRes 422 LT…

  • Resolution

    102 MP vs 24.3 MP — higher is better

  • RAW buffer depth

    96 frames vs 23 frames — higher is better

Reasons to choose

X-T20

  • Subject recognition

    Adds Human

  • Dimensions (W×H×D mm)

    Adds 118.4, 82.8, 41.4

  • Card types

    Adds SD UHS-I

  • Burst (electronic)

    14 fps vs 4.1 fps — higher is better

  • Weight

    383 g vs 883 g — lower is better

  • Burst (mechanical)

    8 fps vs 7 fps — higher is better

Both cameras share

  • ISO max (native)Both 12,800
  • AF points / zonesBoth 425
  • AF frame coverageBoth 100 %
  • Eye AFBoth support eye af
  • 4K max frame rateBoth 30 fps
  • EVF refresh rateBoth 120 Hz

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-T20

Pros

  • 24MP X-Trans III
  • 4K video
  • Compact body

Cons

  • No IBIS
  • Older AF
  • Single card slot

Decided which one is right for you?

Compare live prices for the GFX100S II and X-T20 at major authorized retailers.

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

GFX100S II
X-T20
Resolution
102 MP4.2× more
24.3 MP
Sensor type
Medium Format GFX 102MP CMOS II
APS-C X-Trans CMOS III
Sensor size
43.8 x 32.9 mm
23.6 x 15.6 mm
AA filter
No
No
GFX100S II
X-T20
AF system
Intelligent Hybrid AF (TTL contrast AF / TTL phase detection AF)
Intelligent Hybrid AF (TTL contrast AF / TTL phase detection AF)
AF points / zones
425
425
AF frame coverage
100 %
100 %
AF low-light limit
-1 EV
Eye AF
Yes
Yes
Animal / bird AF
Yes
No
Subject recognition
Animal, Bird, Automobile, Motorcycle/Bike, Airplane, Train
Human
GFX100S II
X-T20
Burst (mechanical)
7 fps
8 fps+14%
Burst (electronic)
4.1 fps
14 fps3.4× more
Pre-Capture / Pre-Release
No
No
RAW buffer depth
96 frames4.2× more
23 frames
GFX100S II
X-T20
Max resolution
4K
4K
4K max frame rate
30 fps
30 fps
Max video bit rate
720 Mbps7.2× more
100 Mbps
Internal RAW video
Yes
No
Log profile
F-Log / F-Log2
None
Codecs
Apple ProRes 422 HQ, Apple ProRes 422, Apple ProRes 422 LT, H.265, H.264
H.264
GFX100S II
X-T20
Weight
883 g
383 g−500 g less
Dimensions (W×H×D mm)
150 × 104.2 × 87.2 mm
118.4 × 82.8 × 41.4 mm
Weather sealing
Yes
No

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, GFX100S II or X-T20?

GFX100S II scores 7.0/10 versus 1.5/10 for X-T20 — 102MP — massive detail for large prints.

What's the resolution difference between the GFX100S II and X-T20?

GFX100S II is 102 MP and X-T20 is 24.3 MP, so the GFX100S II captures more detail for cropping and large prints.

Do the GFX100S II and X-T20 have in-body image stabilization?

GFX100S II has 8-stop in-body image stabilization, while x-T20 does not have IBIS.

Which shoots faster bursts — the GFX100S II or the X-T20?

GFX100S II reaches 7 fps mechanical. X-T20 reaches 14 fps electronic.

What's the weight difference between the GFX100S II and X-T20?

GFX100S II weighs 883 g and X-T20 weighs 383 g, so the X-T20 is 500 g lighter.

Do the GFX100S II and X-T20 record 4K video?

GFX100S II: 4K up to 30p. X-T20: 4K up to 30p.

Are the GFX100S II and X-T20 weather sealed?

GFX100S II: Yes. X-T20: No.

Which has better battery life?

Rated battery life is 530 shots (CIPA) for the GFX100S II and 350 shots for the X-T20, giving the GFX100S II the edge.

How much does each cost?

GFX100S II launched at $4,999 and X-T20 at $899. The X-T20 is $4,100 less.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.