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Fujifilm

X100VI

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

$1,599

Released Feb 2024

vs

Ricoh

GR IV HDF

GR IV variant with built-in Highlight Diffusion Filter for softer rendering and the same 25.74MP APS-C pocket platform.

$1,599

Released Jan 2026

GR IV HDF is 1.8 years newer.

Wins

5categories

X100VI

WildlifePortrait

Wins

3categories

GR IV HDF

PortraitVlogging

2 categories tied

TL;DR — Key differences

X100VI wins 3 categories·GR IV HDF wins 2 categories
  • BGR IV HDF has higher ISO max (native) (204,800 vs 12,800)
  • AX100VI has higher AF points / zones (425 vs 49)
  • AX100VI has higher Burst (electronic) (20 fps vs 4 fps)
  • BGR IV HDF has lower Weight (262 g vs 521 g)
  • AX100VI has higher Resolution (40.2 MP vs 25.74 MP)

Key specs at a glance

X100VIGR IV HDF
Resolution40.2 MP25.74 MP
SensorAPS-CAPS-C
ISO max12,800204,800
Burst20 fps4 fps
4K60 fps60 fps
IBIS6-stopYes
Weight521 g262 g
Battery310 shots250 shots

Size and weight, to scale

X100VI

128 × 75 × 55 mm

521 g (1.15 lb / 18.38 oz)

GR IV HDF

109 × 61 × 33 mm

262 g (0.58 lb / 9.24 oz)

X100VI is 19mm wider, 14mm taller, and 23mm thicker than GR IV HDF.

X100VI is 259 g heavier than GR IV HDF.

Depth (front-to-back): 55mm X100VI · 33mm GR IV HDF

Sensor size, to scale

X100VI

23.5 × 15.7 mm · APS-C

369 mm² area

GR IV HDF

23.3 × 15.5 mm · APS-C

361 mm² area

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseX100VIGR IV HDF
Portrait
7.5Good✓ wins
6.5Good
Sports & Action
7.5Good✓ wins
0.5Limited
Video & Hybrid
4.0Fair✓ wins
3.5Limited
Landscape
5.5Fair✓ wins
2.5Limited
Travel
6.5Good✓ wins
5.5Fair
Wildlife
10.0Excellent✓ wins
1.0Limited
Vlogging
7.0Good✓ wins
6.5Good

Why pick one over the other

Reasons to choose

X100VI

  • Subject recognition

    Adds Animal, Bird, Automobile…

  • Codecs

    Adds H.265, H.264

  • Dimensions (W×H×D mm)

    Adds 128, 74.8, 55.3

  • Card types

    Adds SD UHS-I

  • AF points / zones

    425 vs 49 — higher is better

  • Burst (electronic)

    20 fps vs 4 fps — higher is better

  • Animal / bird AF

    Only X100VI supports it

  • Pre-Capture / Pre-Release

    Only X100VI supports it

Reasons to choose

GR IV HDF

  • Subject recognition

    Adds Face, Eye

  • Codecs

    Adds MPEG-4 AVC/H.264, MOV

  • Dimensions (W×H×D mm)

    Adds 109.4, 61.1, 32.7

  • Card types

    Adds microSD, microSDHC, microSDXC UHS-I

  • ISO max (native)

    204,800 vs 12,800 — higher is better

  • Weight

    262 g vs 521 g — lower is better

  • ISO min (native)

    100 vs 125 — lower is better

Both cameras share

  • Eye AFBoth support eye af
  • 4K max frame rateBoth 60 fps
  • In-body stabilizationBoth support in-body stabilization
  • Card slotsBoth 1
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi

Pros & cons at a glance

Editorially curated highlights and trade-offs.

X100VI

Pros

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

Cons

  • Fixed lens only
  • No interchangeable lenses
  • Premium price

GR IV HDF

Pros

  • Built-in HDF effect
  • 25.74MP APS-C sensor
  • 5-axis SR
  • 53GB internal memory

Cons

  • No ND filter
  • Fixed lens
  • Full HD video only

Full specifications

= category winner

X100VI
GR IV HDF
Resolution
40.2 MP+56%
25.74 MP
Sensor type
APS-C X-Trans CMOS 5 HR
APS-C CMOS
Sensor size
23.5 x 15.7 mm
23.3 x 15.5 mm
AA filter
No
No
X100VI
GR IV HDF
AF system
Intelligent Hybrid AF (TTL contrast AF / TTL phase detection AF)
Hybrid AF (image-plane phase detection + contrast detection)
AF points / zones
4258.7× more
49
AF frame coverage
100 %
Eye AF
Yes
Yes
Animal / bird AF
Yes
No
Subject recognition
Animal, Bird, Automobile, Motorcycle/Bike, Airplane, Train
Face, Eye
X100VI
GR IV HDF
Burst (mechanical)
6 fps+50%
4 fps
Burst (electronic)
20 fps5× more
4 fps
Pre-Capture / Pre-Release
Yes
No
RAW buffer depth
52 frames
X100VI
GR IV HDF
Max resolution
6.2K
Full HD
4K max frame rate
60 fps
60 fps
Max video bit rate
200 Mbps
Internal RAW video
No
No
Log profile
F-Log / F-Log2
Standard profiles
Codecs
H.265, H.264
MPEG-4 AVC/H.264, MOV
X100VI
GR IV HDF
Weight
521 g
262 g−259 g less
Dimensions (W×H×D mm)
128 × 74.8 × 55.3 mm
109.4 × 61.1 × 32.7 mm
Weather sealing
Yes
No

Frequently asked

Quick answers generated from verified specs.

Which is better for wildlife, X100VI or GR IV HDF?

X100VI scores 10.0/10 versus 1.0/10 for GR IV HDF — 20fps burst captures fleeting moments.

What's the resolution difference between the X100VI and GR IV HDF?

X100VI is 40.2 MP and GR IV HDF is 25.74 MP, so the X100VI captures more detail for cropping and large prints.

Do the X100VI and GR IV HDF have in-body image stabilization?

X100VI has 6-stop in-body image stabilization, while gR IV HDF has in-body image stabilization.

Which shoots faster bursts — the X100VI or the GR IV HDF?

X100VI reaches 20 fps electronic. GR IV HDF reaches 4 fps electronic.

What's the weight difference between the X100VI and GR IV HDF?

X100VI weighs 521 g and GR IV HDF weighs 262 g, so the GR IV HDF is 259 g lighter.

Do the X100VI and GR IV HDF record 4K video?

X100VI: 4K up to 60p. GR IV HDF: 4K up to 60p.

Are the X100VI and GR IV HDF weather sealed?

X100VI: Yes. GR IV HDF: No.

Which has better battery life?

Rated battery life is 310 shots (CIPA) for the X100VI and 250 shots for the GR IV HDF, giving the X100VI the edge.

How much does each cost?

Both launched at $1,599.

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