Nikon
D90
Historic enthusiast DX DSLR — first Nikon with HD video (720p24), 12.3MP sensor, 11-point AF, built-in flash commander, and proven F-mount ergonomics.
$999
Launch priceReleased Aug 2008
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 priceReleased Dec 2026
GR IVx is 18.3 years newer.
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Wins
D90
Wins
GR IVx
2 categories tied
Which would you choose?
TL;DR — Key differences
- AD90 has higher AF points / zones (493 vs 49)
- BGR IVx has higher ISO max (native) (204,800 vs 25,600)
- AD90 has higher Burst (electronic) (15 fps vs 4 fps)
- AD90 has higher Battery life (CIPA) (640 shots vs 250 shots)
- BGR IVx has higher Resolution (25.74 MP vs 12.3 MP)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareD90
138 × 98 × 88 mm
520 g (1.15 lb / 18.34 oz)
Credit card
85.6 × 54 mm
for scale
GR IVx
109 × 61 × 33 mm
265 g (0.58 lb / 9.35 oz)
D90 is 29mm wider, 37mm taller, and 55mm thicker than GR IVx.
D90 is 255 g heavier than GR IVx.
Depth (front-to-back): 88mm D90 · 33mm GR IVx
Sensor size, to scale
D90
23.5 × 15.6 mm · APS-C
367 mm² area
GR IVx
23.3 × 15.5 mm · APS-C
361 mm² area
Lens ecosystem
Native lens selection
D90
✓ more lensesNikon F
270+
native lenses available
GR IVx: mount data unavailable
Counts include current first-party and major third-party native autofocus lenses.
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
D90
Subject recognition
Adds Human, Animal, Bird…
Codecs
Adds H.265, H.264
Dimensions (W×H×D mm)
Adds 138, 98, 88
Card types
Adds SD UHS-II
AF points / zones
493 vs 49 — higher is better
Burst (electronic)
15 fps vs 4 fps — higher is better
Battery life (CIPA)
640 shots vs 250 shots — higher is better
Animal / bird AF
Only D90 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 520 g — lower is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Max video bit rate — Both 150 Mbps
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
D90
Pros
- ✓First Nikon DSLR with HD video
- ✓Built-in flash commander
- ✓Mature F-mount ecosystem
- ✓Strong used value for learning
- ✓Live View with contrast AF
Cons
- –12.3MP dated resolution
- –720p video only
- –4.5 fps burst
- –No modern connectivity
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 D90 and GR IVx at major authorized retailers.
Ricoh GR IVx
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, D90 or GR IVx?
D90 scores 9.0/10 versus 1.0/10 for GR IVx — Bird AF subject recognition.
What's the resolution difference between the D90 and GR IVx?
D90 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 D90 and GR IVx have in-body image stabilization?
D90 has 6-stop in-body image stabilization, while GR IVx has in-body image stabilization.
Which shoots faster bursts — the D90 or the GR IVx?
D90 reaches 15 fps electronic. GR IVx reaches 4 fps electronic.
What's the weight difference between the D90 and GR IVx?
D90 weighs 520 g and GR IVx weighs 265 g, so the GR IVx is 255 g lighter.
Do the D90 and GR IVx record 4K video?
D90: 4K up to 60p. GR IVx: 4K up to 30p.
Are the D90 and GR IVx weather sealed?
D90: Yes. GR IVx: No.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the D90 and 250 shots for the GR IVx, giving the D90 the edge.
How much does each cost?
D90 launched at $999 and GR IVx at $1,499. The D90 is $500 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way D90 vs GR IVx vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed September 2026.
Product images courtesy of Nikon and Ricoh press materials.