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
Sigma
fp L
World's smallest full-frame interchangeable camera with 61MP and L-mount.
$2,499
Launch priceReleased Jul 2021
GR IV is 4.5 years newer.
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Wins
GR IV
Wins
fp L
3 categories tied
Which would you choose?
TL;DR — Key differences
- AGR IV has higher ISO max (native) (204,800 vs 25,600)
- Bfp L has higher Burst (electronic) (10 fps vs 4 fps)
- Bfp L has higher Resolution (61 MP vs 25.74 MP)
- AGR IV has higher 4K max frame rate (60 fps vs 29.97 fps)
- Bfp L has higher 1080p max frame rate (120 fps vs 60 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
GR IV
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
Credit card
85.6 × 54 mm
for scale
fp L
113 × 70 × 45 mm
427 g (0.94 lb / 15.06 oz)
GR IV is 3mm narrower, 9mm shorter, and 13mm thinner than fp L.
GR IV is 165 g lighter than fp L.
Depth (front-to-back): 33mm GR IV · 45mm fp L
Back view, to scale
Width × Height — same proportions as the front of the body.
GR IV
109 × 61 mm
Credit card
85.6 × 54 mm
fp L
113 × 70 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
GR IV
109 × 33 mm
Credit card
85.6 × 54 mm
fp L
113 × 45 mm
Sensor size, to scale
GR IV
23.3 × 15.5 mm · APS-C
361 mm² area
fp L
36 × 24 mm · Full Frame
864 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
Why pick one over the other
Reasons to choose
GR IV
Subject recognition
Adds Face, Eye
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
4K max frame rate
60 fps vs 29.97 fps — higher is better
Codecs
Adds MPEG-4 AVC/H.264
In-body stabilization (IBIS)
Only GR IV supports it
Weight
262 g vs 427 g — lower is better
Reasons to choose
fp L
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 112.6, 69.9, 45.3
Card types
Adds SD, SDHC, SDXC
Codecs
Adds CinemaDNG, H.264
Burst (electronic)
10 fps vs 4 fps — higher is better
Resolution
61 MP vs 25.74 MP — higher is better
AA filter
Only fp L supports it
Animal / bird AF
Only fp L supports it
Both cameras share
- ✓ISO min (native) — Both 100
- ✓AF points / zones — Both 49
- ✓Eye AF — Both support eye af
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
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
fp L
Pros
- ✓Tiny full-frame
- ✓61MP
- ✓L-mount
- ✓Unique industrial design
Cons
- –No IBIS
- –Small battery
- –Minimal ergonomics
Decided which one is right for you?
Compare live prices for the GR IV and fp L at major authorized retailers.
Ricoh GR IV
Sigma fp L
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, GR IV or fp L?
fp L scores 8.0/10 versus 1.0/10 for GR IV — Bird AF subject recognition.
What's the resolution difference between the GR IV and fp L?
GR IV is 25.74 MP and fp L is 61 MP, so the fp L captures more detail for cropping and large prints.
Do the GR IV and fp L have in-body image stabilization?
GR IV has in-body image stabilization, while fp L does not have IBIS.
Which shoots faster bursts — the GR IV or the fp L?
GR IV reaches 4 fps electronic. fp L reaches 10 fps electronic.
What's the weight difference between the GR IV and fp L?
GR IV weighs 262 g and fp L weighs 427 g, so the GR IV is 165 g lighter.
Do the GR IV and fp L record 4K video?
GR IV: 4K up to 60p. fp L: 4K up to 29.97p.
Are the GR IV and fp L weather sealed?
GR IV: No. fp L: Yes.
Which has better battery life?
Rated battery life is 250 shots (CIPA) for the GR IV and 240 shots for the fp L, giving the GR IV the edge.
How much does each cost?
GR IV launched at $1,499 and fp L at $2,499. The GR IV is $1,000 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way GR IV vs fp L vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Ricoh and Sigma press materials.