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Fujifilm

X100S

Second-generation X100 with 16MP X-Trans sensor and fixed 35mm-equivalent lens.

$1,299

Released Jan 2013

vs

Ricoh

GR IV

Latest GR with 25.74MP APS-C sensor, 28mm equivalent lens, 5-axis SR, 53GB internal memory, and pocket street-camera handling.

$1,499

Released Jan 2026

GR IV is 13 years newer.

Wins

4categories

X100S

Wins

4categories

GR IV

PortraitVlogging

1 categories tied

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TL;DR — Key differences

X100S wins 1 categories·GR IV wins 4 categories
  • BGR IV has higher ISO max (native) (204,800 vs 6,400)
  • AX100S has higher AF points / zones (425 vs 49)
  • BGR IV has lower ISO min (native) (100 vs 200)
  • BGR IV has lower Weight (262 g vs 445 g)
  • BGR IV has higher Resolution (25.74 MP vs 16.3 MP)

Key specs at a glance

X100SGR IV
Resolution16.3 MP25.74 MP
SensorAPS-CAPS-C
ISO max6,400204,800
Burst6 fps4 fps
IBISNoYes
Weight445 g262 g
Battery330 shots250 shots
4K60 fps

Size and weight, to scale

X100S

127 × 74 × 54 mm

445 g (0.98 lb / 15.70 oz)

GR IV

109 × 61 × 33 mm

262 g (0.58 lb / 9.24 oz)

X100S is 17mm wider, 13mm taller, and 21mm thicker than GR IV.

X100S is 183 g heavier than GR IV.

Depth (front-to-back): 54mm X100S · 33mm GR IV

Sensor size, to scale

X100S

23.6 × 15.6 mm · APS-C

368 mm² area

GR IV

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 caseX100SGR IV
Portrait
4.5Fair
6.5Good✓ wins
Sports & Action
2.0Limited✓ wins
0.5Limited
Video & Hybrid
1.0Limited
3.5Limited✓ wins
Landscape
0.0Limited
2.5Limited✓ wins
Travel
4.0Fair
5.5Fair✓ wins
Wildlife
0.0Limited
1.0Limited✓ wins
Vlogging
3.0Limited
6.5Good✓ wins

Why pick one over the other

Reasons to choose

X100S

  • Subject recognition

    Adds Human

  • Codecs

    Adds H.264

  • Dimensions (W×H×D mm)

    Adds 126.5, 74.4, 53.9

  • Card types

    Adds SD UHS-I

  • AF points / zones

    425 vs 49 — higher is better

  • Burst (mechanical)

    6 fps vs 4 fps — higher is better

  • Burst (electronic)

    6 fps vs 4 fps — higher is better

  • Battery life (CIPA)

    330 shots vs 250 shots — higher is better

Reasons to choose

GR IV

  • 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 6,400 — higher is better

  • ISO min (native)

    100 vs 200 — lower is better

  • In-body stabilization

    Only GR IV supports it

  • Wi-Fi

    Only GR IV supports it

Both cameras share

  • Eye AFBoth support eye af
  • Card slotsBoth 1
  • TouchscreenBoth support touchscreen

Pros & cons at a glance

Editorially curated highlights and trade-offs.

X100S

Pros

  • Classic fixed-lens design
  • X-Trans sensor
  • Hybrid viewfinder

Cons

  • Very old AF
  • No 4K
  • Fixed screen

GR IV

Pros

  • 25.74MP APS-C sensor
  • 5-axis sensor-shift SR
  • 53GB internal memory
  • Pocketable 28mm GR lens

Cons

  • Fixed lens
  • No built-in EVF
  • Full HD video only

Decided which one is right for you?

Compare live prices for the X100S and GR IV at major authorized retailers.

Full specifications

= category winner

X100S
GR IV
Resolution
16.3 MP
25.74 MP+58%
Sensor type
APS-C X-Trans CMOS
APS-C CMOS
Sensor size
23.6 x 15.6 mm
23.3 x 15.5 mm
AA filter
No
No
X100S
GR IV
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
No
No
Subject recognition
Human
Face, Eye
X100S
GR IV
Burst (mechanical)
6 fps+50%
4 fps
Burst (electronic)
6 fps+50%
4 fps
Pre-Capture / Pre-Release
No
No
RAW buffer depth
8 frames
X100S
GR IV
Max resolution
Full HD
Full HD
4K max frame rate
60 fps
Max video bit rate
36 Mbps
Internal RAW video
No
No
Log profile
None
Standard profiles
Codecs
H.264
MPEG-4 AVC/H.264, MOV
X100S
GR IV
Weight
445 g
262 g−183 g less
Dimensions (W×H×D mm)
126.5 × 74.4 × 53.9 mm
109.4 × 61.1 × 32.7 mm
Weather sealing
No
No

Frequently asked

Quick answers generated from verified specs.

Which is better for vlogging, X100S or GR IV?

GR IV scores 6.5/10 versus 3.0/10 for X100S — 262g — easy to handhold for selfie video.

What's the resolution difference between the X100S and GR IV?

X100S is 16.3 MP and GR IV is 25.74 MP, so the GR IV captures more detail for cropping and large prints.

Do the X100S and GR IV have in-body image stabilization?

X100S does not have IBIS, while gR IV has in-body image stabilization.

Which shoots faster bursts — the X100S or the GR IV?

X100S reaches 6 fps electronic. GR IV reaches 4 fps electronic.

What's the weight difference between the X100S and GR IV?

X100S weighs 445 g and GR IV weighs 262 g, so the GR IV is 183 g lighter.

Do the X100S and GR IV record 4K video?

X100S: Full HD. GR IV: 4K up to 60p.

Are the X100S and GR IV weather sealed?

X100S: No. GR IV: No.

Which has better battery life?

Rated battery life is 330 shots (CIPA) for the X100S and 250 shots for the GR IV, giving the X100S the edge.

How much does each cost?

X100S launched at $1,299 and GR IV at $1,499. The X100S is $200 less.

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