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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

vs
FP2

Sigma

FP2

Pocket-sized L-Mount full-frame body with a 24.5MP partially stacked sensor, 20fps stills, 6K OpenGate / ProRes RAW video, 70GB internal storage, and a Still/Cine mode switch.

$2,199

Launch price

Released Nov 2026

Released within a month of each other.

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Wins

4categories

GR IVx

★ Portrait

Wins

4categories

FP2

★ Portrait★ Travel

2 categories tied

Which would you choose?

TL;DR — Key differences

GR IVx wins 2 categories·FP2 wins 3 categories
  • AGR IVx has higher Burst (mechanical) (4 fps vs 0 fps)
  • BFP2 has higher Burst (electronic) (20 fps vs 4 fps)
  • AGR IVx has higher ISO max (native) (204,800 vs 102,400)
  • BFP2 has higher 4K max frame rate (59.94 fps vs 30 fps)
  • BFP2 has higher 1080p max frame rate (119.88 fps vs 60 fps)

Key specs at a glance

GR IVxFP2
Resolution25.74 MP24.5 MP
SensorAPS-CFull Frame
ISO max204,800102,400
Burst4 fps20 fps
4K30 fps59.94 fps
IBISYesNo
Weight265 g460 g
Battery250 shots370 shots

Size and weight, to scale

GR IVx front view

GR IVx

109 × 61 × 33 mm

265 g (0.58 lb / 9.35 oz)

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

Credit card

85.6 × 54 mm

for scale

FP2 front view

FP2

112 × 71 × 41 mm

460 g (1.01 lb / 16.23 oz)

GR IVx is 3mm narrower, 10mm shorter, and 8mm thinner than FP2.

GR IVx is 195 g lighter than FP2.

Depth (front-to-back): 33mm GR IVx · 41mm FP2

Back view, to scale

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

GR IVx

109 × 61 mm

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

Credit card

85.6 × 54 mm

FP2 back view

FP2

112 × 71 mm

Top view, to scale

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

GR IVx

109 × 33 mm

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

Credit card

85.6 × 54 mm

FP2 top view

FP2

112 × 41 mm

Sensor size, to scale

GR IVx

23.3 × 15.5 mm · APS-C

361 mm² area

FP2

35.9 × 23.9 mm · Full Frame

858 mm² area

2.4× 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 caseGR IVxFP2
Portrait
6.5Good
6.5Good
Sports & Action
1.0Limited
4.0Fair✓ wins
Video & Hybrid
4.0Fair✓ wins
3.5Limited
Landscape
2.5Limited
5.0Fair✓ wins
Travel
5.5Fair
6.5Good✓ wins
Wildlife
1.0Limited
5.0Fair✓ wins
Vlogging
5.5Fair✓ wins
4.5Fair

Why pick one over the other

Reasons to choose

GR IVx

  • Subject recognition

    Adds Face, Eye

  • Burst (mechanical)

    4 fps vs 0 fps — higher is better

  • 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 102,400 — higher is better

  • In-body stabilization (IBIS)

    Only GR IVx supports it

  • Wi-Fi

    Only GR IVx supports it

Reasons to choose

FP2

  • Subject recognition

    Adds Animals, Birds, People

  • Codecs

    Adds ProRes RAW, ProRes RAW HQ, H.264…

  • Dimensions (W×H×D mm)

    Adds 112, 71, 41

  • Card types

    Adds SD, SDHC, SDXC

  • Burst (electronic)

    20 fps vs 4 fps — higher is better

  • Animal / bird AF

    Only FP2 supports it

  • Internal RAW video

    Only FP2 supports it

  • Weather sealing

    Only FP2 supports it

Both cameras share

  • ✓ISO min (native) — Both 100
  • ✓Eye AF — Both support eye af
  • ✓Card slots — Both 1
  • ✓Touchscreen — Both support touchscreen

Pros & cons at a glance

Editorially curated highlights and trade-offs.

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

FP2

Pros

  • ✓World's smallest full-frame body (376g body only)
  • ✓24.5MP partially stacked sensor, 20fps electronic burst
  • ✓6K OpenGate + ProRes RAW HQ, L-Log, 32-bit float audio
  • ✓70GB internal storage + SD UHS-II + USB SSD
  • ✓Tilting 3.15" LCD, dust/splash resistant, modular EVF-21

Cons

  • –No in-body image stabilization (EIS in video only)
  • –No built-in EVF — optional EVF-21 sold separately
  • –Electronic shutter only
  • –No headphone jack (USB audio only)

Decided which one is right for you?

Compare live prices for the GR IVx and FP2 at major authorized retailers.

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Full specifications

✓ = category winner

GR IVx
FP2
Resolution
25.74 MP✓+5%
24.5 MP
Sensor type
APS-C CMOS
Partially Stacked CMOS
Sensor size
23.3 x 15.5 mm
35.9 x 23.9
AA filter
No
No
GR IVx
FP2
Aperture
F2.8-F16
—
Focal length (35mm equiv.)
40 mm
—
GR IVx
FP2
Processor
GR ENGINE 7
Sigma image processor
GR IVx
FP2
ISO min (native)
100
100
ISO max (native)
204,800✓+1 stop
102,400
ISO max (expanded)
204,800
102,400
GR IVx
FP2
Shutter type
Leaf shutter
Electronic Rolling Shutter
Max mechanical speed
1/4000 sec
—
Max electronic speed
1/16000 sec
1/25600 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for wildlife, GR IVx or FP2?

FP2 scores 5.0/10 versus 1.0/10 for GR IVx — 20fps burst captures fleeting moments.

What's the resolution difference between the GR IVx and FP2?

GR IVx is 25.74 MP and FP2 is 24.5 MP, so the GR IVx captures more detail for cropping and large prints.

Do the GR IVx and FP2 have in-body image stabilization?

GR IVx has in-body image stabilization, while FP2 does not have IBIS.

Which shoots faster bursts — the GR IVx or the FP2?

GR IVx reaches 4 fps electronic. FP2 reaches 20 fps electronic.

What's the weight difference between the GR IVx and FP2?

GR IVx weighs 265 g and FP2 weighs 460 g, so the GR IVx is 195 g lighter.

Do the GR IVx and FP2 record 4K video?

GR IVx: 4K up to 30p. FP2: 4K up to 59.94p.

Are the GR IVx and FP2 weather sealed?

GR IVx: No. FP2: Yes.

Which has better battery life?

Rated battery life is 250 shots (CIPA) for the GR IVx and 370 shots for the FP2, giving the FP2 the edge.

How much does each cost?

GR IVx launched at $1,499 and FP2 at $2,199. The GR IVx is $700 less.

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

Add any camera to get a three-way GR IVx vs FP2 vs X comparison.

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

Product images courtesy of Ricoh and Sigma press materials.