Cameraegg Compare logoCameraegg
X100

Fujifilm

X100

The original fixed-lens premium compact that launched the X100 line and Fujifilm's modern revival.

$1,199

Launch price

Released Feb 2011

vs
GR IVx

Ricoh

GR IVx

40mm-equivalent GR IV sibling with a newly designed 26.1mm f/2.8 lens, 25.74MP APS-C sensor, 5-axis SR, 4K video, 53GB internal storage, and pocket street-camera handling. Winter 2026 planned.

$1,499

Launch price

Released Dec 2026

GR IVx is 15.8 years newer.

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.

Wins

5categories

X100

VloggingSports & Action

Wins

3categories

GR IVx

Portrait

2 categories tied

Which would you choose?

TL;DR — Key differences

X100 wins 3 categories·GR IVx wins 2 categories
  • AX100 has higher AF points / zones (425 vs 49)
  • BGR IVx has higher ISO max (native) (204,800 vs 25,600)
  • AX100 has higher Burst (electronic) (15 fps vs 4 fps)
  • BGR IVx has higher Resolution (25.74 MP vs 12.3 MP)
  • AX100 has higher 4K max frame rate (60 fps vs 30 fps)

Key specs at a glance

X100GR IVx
Resolution12.3 MP25.74 MP
SensorAPS-CAPS-C
ISO max25,600204,800
Burst15 fps4 fps
4K60 fps30 fps
IBIS6-stopYes
Weight445 g265 g
Battery250 shots

Size and weight, to scale

X100 front view

X100

127 × 74 × 54 mm

445 g (0.98 lb / 15.70 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

GR IVx front view

GR IVx

109 × 61 × 33 mm

265 g (0.58 lb / 9.35 oz)

X100 is 17mm wider, 13mm taller, and 21mm thicker than GR IVx.

X100 is 180 g heavier than GR IVx.

Depth (front-to-back): 54mm X100 · 33mm GR IVx

Back view, to scale

Width × Height — same proportions as the front of the body.

X100 back view

X100

127 × 74 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

GR IVx

109 × 61 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

X100

127 × 54 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

GR IVx

109 × 33 mm

Sensor size, to scale

X100

23.6 × 15.8 mm · APS-C

373 mm² area

GR IVx

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 caseX100GR IVx
Portrait
5.5Fair
6.5Good✓ wins
Sports & Action
7.0Good✓ wins
1.0Limited
Video & Hybrid
6.0Good✓ wins
4.0Fair
Landscape
2.0Limited
2.5Limited✓ wins
Travel
4.5Fair
5.5Fair✓ wins
Wildlife
6.5Good✓ wins
1.0Limited
Vlogging
7.5Good✓ wins
5.5Fair

Why pick one over the other

Reasons to choose

X100

  • Subject recognition

    Adds Human, Animal, Bird…

  • Codecs

    Adds H.265, H.264

  • Dimensions (W×H×D mm)

    Adds 126.5, 74.4, 53.9

  • Card types

    Adds SD UHS-II

  • AF points / zones

    425 vs 49 — higher is better

  • Burst (electronic)

    15 fps vs 4 fps — higher is better

  • AA filter

    Only X100 supports it

  • Animal / bird AF

    Only X100 supports it

Reasons to choose

GR IVx

  • Subject recognition

    Adds Face, Eye

  • Codecs

    Adds MPEG-4 AVC/H.264, MOV

  • Dimensions (W×H×D mm)

    Adds 109.4, 61.1, 33.4

  • Card types

    Adds microSD, microSDHC, microSDXC UHS-I

  • ISO max (native)

    204,800 vs 25,600 — higher is better

  • Resolution

    25.74 MP vs 12.3 MP — higher is better

  • Weight

    265 g vs 445 g — lower is better

Both cameras share

  • ISO min (native)Both 100
  • Eye AFBoth support eye af
  • Max video bit rateBoth 150 Mbps
  • In-body stabilization (IBIS)Both support in-body stabilization (ibis)
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi

Pros & cons at a glance

Editorially curated highlights and trade-offs.

X100

Pros

  • Historic X100 origin
  • Hybrid viewfinder debut
  • Classic design
  • APS-C in compact

Cons

  • 12MP very dated
  • Slow AF
  • No 4K

GR IVx

Pros

  • New 26.1mm f/2.8 GR lens (40mm equiv.)
  • GR IV 25.74MP APS-C + 5-axis SR
  • 4K 30p/24p and 53GB built-in storage
  • Snap focus, 50/71mm crops, 2-stop ND
  • Pocketable 265g body

Cons

  • Price not yet announced (listed at GR IV $1,499)
  • Winter 2026 or later — still in development as of Aug 2026
  • No built-in EVF
  • Fixed 40mm-equiv. lens

Decided which one is right for you?

Compare live prices for the X100 and GR IVx 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

X100
GR IVx
Resolution
12.3 MP
25.74 MP2.1× more
Sensor type
APS-C CMOS
APS-C CMOS
Sensor size
23.6 × 15.8 mm
23.3 x 15.5 mm
AA filter
Yes
No
X100
GR IVx
Aperture
F2.8-F16
Focal length (35mm equiv.)
40 mm
X100
GR IVx
Processor
X-Processor 5
GR ENGINE 7
X100
GR IVx
ISO min (native)
100
100
ISO max (native)
25,600
204,800+3 stops
ISO max (expanded)
102,400
204,800
X100
GR IVx
Shutter type
Mechanical + Electronic
Leaf shutter
Max mechanical speed
1/8000 sec
1/4000 sec
Max electronic speed
1/16000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for sports, X100 or GR IVx?

X100 scores 7.0/10 versus 1.0/10 for GR IVx — 15fps burst — fast action ready.

What's the resolution difference between the X100 and GR IVx?

X100 is 12.3 MP and GR IVx is 25.74 MP, so the GR IVx captures more detail for cropping and large prints.

Do the X100 and GR IVx have in-body image stabilization?

X100 has 6-stop in-body image stabilization, while GR IVx has in-body image stabilization.

Which shoots faster bursts — the X100 or the GR IVx?

X100 reaches 15 fps electronic. GR IVx reaches 4 fps electronic.

What's the weight difference between the X100 and GR IVx?

X100 weighs 445 g and GR IVx weighs 265 g, so the GR IVx is 180 g lighter.

Do the X100 and GR IVx record 4K video?

X100: 4K up to 60p. GR IVx: 4K up to 30p.

Are the X100 and GR IVx weather sealed?

X100: No. GR IVx: No.

How much does each cost?

X100 launched at $1,199 and GR IVx at $1,499. The X100 is $300 less.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way X100 vs GR IVx vs X comparison.

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

Product images courtesy of Fujifilm and Ricoh press materials.