Pentax
K-70
Weather-sealed APS-C DSLR with IBIS and AA filter simulator.
$649
Released Jun 2016
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 9.6 years newer.
Wins
K-70
Wins
GR IV
2 categories tied
TL;DR — Key differences
- BGR IV has higher ISO max (native) (204,800 vs 25,600)
- AK-70 has higher Burst (electronic) (15 fps vs 4 fps)
- AK-70 has higher Battery life (CIPA) (640 shots vs 250 shots)
- AK-70 has higher AF points / zones (101 vs 49)
- AK-70 has higher Card slots (2 vs 1)
Key specs at a glance
Size and weight, to scale
K-70
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)
K-70 is 29mm wider, 37mm taller, and 55mm thicker than GR IV.
K-70 is 258 g heavier than GR IV.
Depth (front-to-back): 88mm K-70 · 33mm GR IV
Sensor size, to scale
K-70
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
K-70
✓ 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
K-70
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 K-70 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.
K-70
Pros
- ✓Weather sealed entry
- ✓IBIS in DSLR
- ✓Unique features
Cons
- –DSLR
- –24MP dated
- –Limited video
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, K-70 or GR IV?
K-70 scores 9.0/10 versus 1.0/10 for GR IV — Bird AF subject recognition.
What's the resolution difference between the K-70 and GR IV?
K-70 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 K-70 and GR IV have in-body image stabilization?
K-70 has 6-stop in-body image stabilization, while gR IV has in-body image stabilization.
Which shoots faster bursts — the K-70 or the GR IV?
K-70 reaches 15 fps electronic. GR IV reaches 4 fps electronic.
What's the weight difference between the K-70 and GR IV?
K-70 weighs 520 g and GR IV weighs 262 g, so the GR IV is 258 g lighter.
Do the K-70 and GR IV record 4K video?
K-70: 4K up to 60p. GR IV: 4K up to 60p.
Are the K-70 and GR IV weather sealed?
K-70: Yes. GR IV: No.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the K-70 and 250 shots for the GR IV, giving the K-70 the edge.
How much does each cost?
K-70 launched at $649 and GR IV at $1,499. The K-70 is $850 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.