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Fujifilm

GFX100S

102MP medium format in a more compact GFX body.

$5,999

Released Jan 2021

vs

Fujifilm

X100VI

Fixed-lens premium compact with 40MP X-Trans and classic street photography design.

$1,599

Released Feb 2024

X100VI is 3.1 years newer.

Wins

6categories

GFX100S

LandscapePortrait

Wins

5categories

X100VI

WildlifePortrait

5 categories tied

TL;DR — Key differences

GFX100S wins 2 categories·X100VI wins 3 categories
  • BX100VI has higher Burst (electronic) (20 fps vs 2.9 fps)
  • AGFX100S has higher Resolution (102 MP vs 40.2 MP)
  • BX100VI has higher RAW buffer depth (52 frames vs 23 frames)
  • BX100VI has higher 4K max frame rate (60 fps vs 30 fps)
  • AGFX100S has higher Max video bit rate (400 Mbps vs 200 Mbps)

Key specs at a glance

GFX100SX100VI
Resolution102 MP40.2 MP
Sensor43.8 x 32.9 mmAPS-C
ISO max12,80012,800
Burst5 fps20 fps
4K30 fps60 fps
IBIS6-stop6-stop
Weight900 g521 g
Battery460 shots310 shots

Size and weight, to scale

GFX100S

150 × 104 × 87 mm

900 g (1.98 lb / 31.75 oz)

X100VI

128 × 75 × 55 mm

521 g (1.15 lb / 18.38 oz)

GFX100S is 22mm wider, 29mm taller, and 32mm thicker than X100VI.

GFX100S is 379 g heavier than X100VI.

Depth (front-to-back): 87mm GFX100S · 55mm X100VI

Sensor size, to scale

GFX100S

43.8 × 32.9 mm · Medium Format

1441 mm² area

X100VI

23.5 × 15.7 mm · APS-C

369 mm² area

3.9× larger sensor area = shallower depth of field and better low-light performance.

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseGFX100SX100VI
Portrait
6.0Good
7.5Good✓ wins
Sports & Action
3.0Limited
7.5Good✓ wins
Video & Hybrid
5.0Fair✓ wins
4.0Fair
Landscape
7.0Good✓ wins
5.5Fair
Travel
5.0Fair
6.5Good✓ wins
Wildlife
1.5Limited
10.0Excellent✓ wins
Vlogging
4.5Fair
7.0Good✓ wins

Why pick one over the other

Reasons to choose

GFX100S

  • Dimensions (W×H×D mm)

    Adds 150, 104.2, 87.2

  • Card types

    Adds SD UHS-II, SDXC V90

  • Resolution

    102 MP vs 40.2 MP — higher is better

  • Max video bit rate

    400 Mbps vs 200 Mbps — higher is better

  • Card slots

    2 vs 1 — higher is better

  • Headphone jack (3.5mm)

    Only GFX100S supports it

  • Battery life (CIPA)

    460 shots vs 310 shots — higher is better

  • ISO min (native)

    100 vs 125 — lower is better

Reasons to choose

X100VI

  • Subject recognition

    Adds Animal, Bird, Automobile…

  • Dimensions (W×H×D mm)

    Adds 128, 74.8, 55.3

  • Card types

    Adds SD UHS-I

  • Burst (electronic)

    20 fps vs 2.9 fps — higher is better

  • RAW buffer depth

    52 frames vs 23 frames — higher is better

  • Animal / bird AF

    Only X100VI supports it

  • Pre-Capture / Pre-Release

    Only X100VI supports it

  • 4K max frame rate

    60 fps vs 30 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
  • In-body stabilizationBoth support in-body stabilization
  • IBIS effectivenessBoth 6 stops

Pros & cons at a glance

Editorially curated highlights and trade-offs.

GFX100S

Pros

  • 102MP
  • IBIS
  • Medium format quality

Cons

  • Price
  • Slow AF
  • Huge files

X100VI

Pros

  • Unique fixed 23mm lens
  • 40MP sensor
  • Film simulations
  • Compact street camera

Cons

  • Fixed lens only
  • No interchangeable lenses
  • Premium price

Full specifications

= category winner

GFX100S
X100VI
Resolution
102 MP2.5× more
40.2 MP
Sensor type
Medium Format Bayer CMOS
APS-C X-Trans CMOS 5 HR
Sensor size
43.8 x 32.9 mm
23.5 x 15.7 mm
AA filter
No
No
GFX100S
X100VI
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 %
Eye AF
Yes
Yes
Animal / bird AF
No
Yes
Subject recognition
Animal, Bird, Automobile, Motorcycle/Bike, Airplane, Train
GFX100S
X100VI
Burst (mechanical)
5 fps
6 fps+20%
Burst (electronic)
2.9 fps
20 fps6.9× more
Pre-Capture / Pre-Release
No
Yes
RAW buffer depth
23 frames
52 frames2.3× more
GFX100S
X100VI
Max resolution
4K
6.2K
4K max frame rate
30 fps
60 fps2× more
Max video bit rate
400 Mbps2× more
200 Mbps
Internal RAW video
No
No
Log profile
F-Log
F-Log / F-Log2
Codecs
H.265, H.264
H.265, H.264
GFX100S
X100VI
Weight
900 g
521 g−379 g less
Dimensions (W×H×D mm)
150 × 104.2 × 87.2 mm
128 × 74.8 × 55.3 mm
Weather sealing
Yes
Yes

Frequently asked

Quick answers generated from verified specs.

Which is better for wildlife, GFX100S or X100VI?

X100VI scores 10.0/10 versus 1.5/10 for GFX100S — 20fps burst captures fleeting moments.

What's the resolution difference between the GFX100S and X100VI?

GFX100S is 102 MP and X100VI is 40.2 MP, so the GFX100S captures more detail for cropping and large prints.

Do the GFX100S and X100VI have in-body image stabilization?

GFX100S has 6-stop in-body image stabilization, while x100VI has 6-stop in-body image stabilization.

Which shoots faster bursts — the GFX100S or the X100VI?

GFX100S reaches 5 fps mechanical. X100VI reaches 20 fps electronic.

What's the weight difference between the GFX100S and X100VI?

GFX100S weighs 900 g and X100VI weighs 521 g, so the X100VI is 379 g lighter.

Do the GFX100S and X100VI record 4K video?

GFX100S: 4K up to 30p. X100VI: 4K up to 60p.

Are the GFX100S and X100VI weather sealed?

GFX100S: Yes. X100VI: Yes.

Which has better battery life?

Rated battery life is 460 shots (CIPA) for the GFX100S and 310 shots for the X100VI, giving the GFX100S the edge.

How much does each cost?

GFX100S launched at $5,999 and X100VI at $1,599. The X100VI is $4,400 less.

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