Nikon
D7100
24MP APS-C DSLR with no AA filter, 51-point AF, and dual SD slots — a DX classic.
$1,199
Launch priceReleased Feb 2013
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 13.8 years newer.
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Wins
D7100
Wins
GR IVx
2 categories tied
Which would you choose?
TL;DR — Key differences
- AD7100 has higher AF points / zones (493 vs 49)
- BGR IVx has higher ISO max (native) (204,800 vs 25,600)
- AD7100 has higher Burst (electronic) (15 fps vs 4 fps)
- BGR IVx has lower Weight (265 g vs 765 g)
- AD7100 has higher Battery life (CIPA) (640 shots vs 250 shots)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareD7100
136 × 106 × 76 mm
765 g (1.69 lb / 26.98 oz)
Credit card
85.6 × 54 mm
for scale
GR IVx
109 × 61 × 33 mm
265 g (0.58 lb / 9.35 oz)
D7100 is 26mm wider, 45mm taller, and 43mm thicker than GR IVx.
D7100 is 500 g heavier than GR IVx.
Depth (front-to-back): 76mm D7100 · 33mm GR IVx
Sensor size, to scale
D7100
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
D7100
✓ 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
D7100
Subject recognition
Adds Human, Animal, Bird…
Codecs
Adds H.265, H.264
Dimensions (W×H×D mm)
Adds 135.5, 106, 76
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 D7100 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
Weight
265 g vs 765 g — lower is better
Resolution
25.74 MP vs 24.1 MP — higher 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.
D7100
Pros
- ✓No AA filter
- ✓51-point AF
- ✓Dual SD slots
- ✓Pro build for DX
Cons
- –Very dated
- –No 4K
- –DSLR declining
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 D7100 and GR IVx at major authorized retailers.
Nikon D7100
Ricoh GR IVx
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, D7100 or GR IVx?
D7100 scores 9.0/10 versus 1.0/10 for GR IVx — Bird AF subject recognition.
What's the resolution difference between the D7100 and GR IVx?
D7100 is 24.1 MP and GR IVx is 25.74 MP, so the GR IVx captures more detail for cropping and large prints.
Do the D7100 and GR IVx have in-body image stabilization?
D7100 has 6-stop in-body image stabilization, while GR IVx has in-body image stabilization.
Which shoots faster bursts — the D7100 or the GR IVx?
D7100 reaches 15 fps electronic. GR IVx reaches 4 fps electronic.
What's the weight difference between the D7100 and GR IVx?
D7100 weighs 765 g and GR IVx weighs 265 g, so the GR IVx is 500 g lighter.
Do the D7100 and GR IVx record 4K video?
D7100: 4K up to 60p. GR IVx: 4K up to 30p.
Are the D7100 and GR IVx weather sealed?
D7100: Yes. GR IVx: No.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the D7100 and 250 shots for the GR IVx, giving the D7100 the edge.
How much does each cost?
D7100 launched at $1,199 and GR IVx at $1,499. The D7100 is $300 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way D7100 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.