Pentax
KF
Updated K-70 with modern connectivity and the same rugged Pentax philosophy.
$849
Released Nov 2022
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
Released Jan 2026
GR IV is 3.2 years newer.
Wins
KF
Wins
GR IV
2 categories tied
TL;DR — Key differences
- BGR IV has higher ISO max (native) (204,800 vs 25,600)
- AKF has higher Burst (electronic) (15 fps vs 4 fps)
- AKF has higher Battery life (CIPA) (640 shots vs 250 shots)
- AKF has higher AF points / zones (101 vs 49)
- AKF has higher Card slots (2 vs 1)
Key specs at a glance
Size and weight, to scale
KF
138 × 98 × 88 mm
520 g (1.15 lb / 18.34 oz)
GR IV
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
KF is 29mm wider, 37mm taller, and 55mm thicker than GR IV.
KF is 258 g heavier than GR IV.
Depth (front-to-back): 88mm KF · 33mm GR IV
Sensor size, to scale
KF
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
KF
✓ more lensesPentax K
70+
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
KF
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
Burst (electronic)
15 fps vs 4 fps — higher is better
Battery life (CIPA)
640 shots vs 250 shots — higher is better
AF points / zones
101 vs 49 — higher is better
Animal / bird AF
Only KF 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 520 g — lower is better
Resolution
25.74 MP vs 24.2 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 — Both support in-body stabilization
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
KF
Pros
- ✓Weather sealed
- ✓IBIS
- ✓Affordable DSLR
Cons
- –DSLR platform
- –No 4K
- –Niche ecosystem
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
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, KF or GR IV?
KF scores 9.0/10 versus 1.0/10 for GR IV — Bird AF subject recognition.
What's the resolution difference between the KF and GR IV?
KF is 24.2 MP and GR IV is 25.74 MP, so the GR IV captures more detail for cropping and large prints.
Do the KF and GR IV have in-body image stabilization?
KF has 6-stop in-body image stabilization, while gR IV has in-body image stabilization.
Which shoots faster bursts — the KF or the GR IV?
KF reaches 15 fps electronic. GR IV reaches 4 fps electronic.
What's the weight difference between the KF and GR IV?
KF weighs 520 g and GR IV weighs 262 g, so the GR IV is 258 g lighter.
Do the KF and GR IV record 4K video?
KF: 4K up to 60p. GR IV: 4K up to 60p.
Are the KF and GR IV weather sealed?
KF: Yes. GR IV: No.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the KF and 250 shots for the GR IV, giving the KF the edge.
How much does each cost?
KF launched at $849 and GR IV at $1,499. The KF is $650 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.