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
Ricoh
WG-90
Rugged waterproof compact with 16MP sensor, 5x 28-140mm equivalent zoom, microscope mode, and ring light.
$329
Released Nov 2023
GR IV HDF is 2.2 years newer.
Wins
GR IV HDF
Wins
WG-90
1 categories tied
TL;DR — Key differences
- AGR IV HDF has higher ISO max (native) (204,800 vs 6,400)
- AGR IV HDF has higher AF points / zones (49 vs 9)
- AGR IV HDF has higher Resolution (25.74 MP vs 16 MP)
- BWG-90 has lower Weight (194 g vs 262 g)
- AGR IV HDF has lower ISO min (native) (100 vs 125)
Key specs at a glance
Size and weight, to scale
GR IV HDF
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
WG-90
123 × 62 × 30 mm
194 g (0.43 lb / 6.84 oz)
GR IV HDF is 13mm narrower than WG-90 but it is also 3mm thicker.
GR IV HDF is 68 g heavier than WG-90.
Depth (front-to-back): 33mm GR IV HDF · 30mm WG-90
Sensor size, to scale
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
Why pick one over the other
Reasons to choose
GR IV HDF
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
AF points / zones
49 vs 9 — higher is better
Eye AF
Only GR IV HDF supports it
Subject recognition
Adds Eye
In-body stabilization
Only GR IV HDF supports it
Reasons to choose
WG-90
Codecs
Adds H.264
Dimensions (W×H×D mm)
Adds 122.5, 61.5, 29.5
Card types
Adds SD, SDHC, SDXC
Subject recognition
Adds Pet
Weather sealing
Only WG-90 supports it
Weight
194 g vs 262 g — lower is better
Battery life (CIPA)
300 shots vs 250 shots — higher is better
Both cameras share
- ✓Card slots — Both 1
Pros & cons at a glance
Editorially curated highlights and trade-offs.
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
WG-90
Pros
- ✓Waterproof and shockproof
- ✓5x optical zoom
- ✓Microscope mode
- ✓Compact rugged body
Cons
- –Small sensor
- –Full HD only
- –Basic LCD
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, GR IV HDF or WG-90?
GR IV HDF scores 6.5/10 versus 1.0/10 for WG-90 — 25.74MP — solid resolution.
What's the resolution difference between the GR IV HDF and WG-90?
GR IV HDF is 25.74 MP and WG-90 is 16 MP, so the GR IV HDF captures more detail for cropping and large prints.
Do the GR IV HDF and WG-90 have in-body image stabilization?
GR IV HDF has in-body image stabilization, while wG-90 does not have IBIS.
What's the weight difference between the GR IV HDF and WG-90?
GR IV HDF weighs 262 g and WG-90 weighs 194 g, so the WG-90 is 68 g lighter.
Do the GR IV HDF and WG-90 record 4K video?
GR IV HDF: 4K up to 60p. WG-90: Full HD.
Are the GR IV HDF and WG-90 weather sealed?
GR IV HDF: No. WG-90: Yes.
Which has better battery life?
Rated battery life is 250 shots (CIPA) for the GR IV HDF and 300 shots for the WG-90, giving the WG-90 the edge.
How much does each cost?
GR IV HDF launched at $1,599 and WG-90 at $329. The WG-90 is $1,270 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.