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 IV
Latest GR with 25.74MP APS-C sensor, 28mm equivalent lens, 5-axis SR, 53GB internal memory, and pocket street-camera handling.
$1,499
Launch priceReleased Jan 2026
GR IV is 12.8 years newer.
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Wins
D7100
Wins
GR IV
2 categories tied
Which would you choose?
TL;DR — Key differences
- AD7100 has higher AF points / zones (493 vs 49)
- BGR IV has higher ISO max (native) (204,800 vs 25,600)
- AD7100 has higher Burst (electronic) (15 fps vs 4 fps)
- BGR IV has lower Weight (262 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 IV
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
D7100 is 26mm wider, 45mm taller, and 43mm thicker than GR IV.
D7100 is 503 g heavier than GR IV.
Depth (front-to-back): 76mm D7100 · 33mm GR IV
Back view, to scale
Width × Height — same proportions as the front of the body.
D7100
136 × 106 mm

Credit card
85.6 × 54 mm

GR IV
109 × 61 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
D7100
136 × 76 mm

Credit card
85.6 × 54 mm

GR IV
109 × 33 mm
Sensor size, to scale
D7100
23.5 × 15.6 mm · APS-C
367 mm² area
GR IV
23.3 × 15.5 mm · APS-C
361 mm² area
Lens ecosystem
Native lens selection
D7100
✓ more lensesNikon F
270+
native lenses available
GR IV: 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 IV
Subject recognition
Adds Face, Eye
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 25,600 — higher is better
Weight
262 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
- ✓4K max frame rate — Both 60 fps
- ✓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 IV
Pros
- ✓25.74MP APS-C sensor
- ✓5-axis sensor-shift SR
- ✓53GB internal memory
- ✓Pocketable 28mm GR lens
Cons
- –Fixed lens
- –No built-in EVF
- –Full HD video only
Decided which one is right for you?
Compare live prices for the D7100 and GR IV at major authorized retailers.
Nikon D7100
Ricoh GR IV
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, D7100 or GR IV?
D7100 scores 9.0/10 versus 1.0/10 for GR IV — Bird AF subject recognition.
What's the resolution difference between the D7100 and GR IV?
D7100 is 24.1 MP and GR IV is 25.74 MP, so the GR IV captures more detail for cropping and large prints.
Do the D7100 and GR IV have in-body image stabilization?
D7100 has 6-stop in-body image stabilization, while GR IV has in-body image stabilization.
Which shoots faster bursts — the D7100 or the GR IV?
D7100 reaches 15 fps electronic. GR IV reaches 4 fps electronic.
What's the weight difference between the D7100 and GR IV?
D7100 weighs 765 g and GR IV weighs 262 g, so the GR IV is 503 g lighter.
Do the D7100 and GR IV record 4K video?
D7100: 4K up to 60p. GR IV: 4K up to 60p.
Are the D7100 and GR IV weather sealed?
D7100: Yes. GR IV: No.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the D7100 and 250 shots for the GR IV, giving the D7100 the edge.
How much does each cost?
D7100 launched at $1,199 and GR IV 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 IV vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Nikon and Ricoh press materials.