Pentax
K-70
Weather-sealed APS-C DSLR with IBIS and AA filter simulator.
$649
Launch priceReleased Jun 2016
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 10.5 years newer.
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Wins
K-70
Wins
GR IVx
4 categories tied
Which would you choose?
TL;DR — Key differences
- BGR IVx has higher AF points / zones (49 vs 11)
- AK-70 has higher Burst (electronic) (15 fps vs 4 fps)
- BGR IVx has lower Weight (265 g vs 688 g)
- BGR IVx has higher 1080p max frame rate (60 fps vs 29.97 fps)
- AK-70 has higher 4K max frame rate (60 fps vs 30 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
K-70
126 × 93 × 74 mm
688 g (1.52 lb / 24.27 oz)
Credit card
85.6 × 54 mm
for scale
GR IVx
109 × 61 × 33 mm
265 g (0.58 lb / 9.35 oz)
K-70 is 16mm wider, 32mm taller, and 41mm thicker than GR IVx.
K-70 is 423 g heavier than GR IVx.
Depth (front-to-back): 74mm K-70 · 33mm GR IVx
Back view, to scale
Width × Height — same proportions as the front of the body.
K-70
126 × 93 mm
Credit card
85.6 × 54 mm
GR IVx
109 × 61 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
K-70
126 × 74 mm
Credit card
85.6 × 54 mm
GR IVx
109 × 33 mm
Sensor size, to scale
K-70
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
K-70
✓ more lensesPentax K
70+
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
K-70
Subject recognition
Adds Human, Animal, Bird…
Codecs
Adds H.264
Dimensions (W×H×D mm)
Adds 125.5, 93, 74
Card types
Adds SD, SDHC, SDXC
Burst (electronic)
15 fps vs 4 fps — higher is better
Animal / bird AF
Only K-70 supports it
Pre-Capture / Pre-Release
Only K-70 supports it
4K max frame rate
60 fps vs 30 fps — higher is better
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
AF points / zones
49 vs 11 — higher is better
Weight
265 g vs 688 g — lower is better
1080p max frame rate
60 fps vs 29.97 fps — higher is better
Touchscreen
Only GR IVx supports it
Both cameras share
- ✓ISO min (native) — Both 100
- ✓ISO max (native) — Both 204,800
- ✓Eye AF — Both support eye af
- ✓Max video bit rate — Both 150 Mbps
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓Card slots — Both 1
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 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 K-70 and GR IVx at major authorized retailers.
Pentax K-70
Ricoh GR IVx
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, K-70 or GR IVx?
K-70 scores 10.0/10 versus 1.0/10 for GR IVx — Bird AF subject recognition.
What's the resolution difference between the K-70 and GR IVx?
K-70 is 24.2 MP and GR IVx is 25.74 MP, so the GR IVx captures more detail for cropping and large prints.
Do the K-70 and GR IVx have in-body image stabilization?
K-70 has 6-stop in-body image stabilization, while GR IVx has in-body image stabilization.
Which shoots faster bursts — the K-70 or the GR IVx?
K-70 reaches 15 fps electronic. GR IVx reaches 4 fps electronic.
What's the weight difference between the K-70 and GR IVx?
K-70 weighs 688 g and GR IVx weighs 265 g, so the GR IVx is 423 g lighter.
Do the K-70 and GR IVx record 4K video?
K-70: 4K up to 60p. GR IVx: 4K up to 30p.
Are the K-70 and GR IVx weather sealed?
K-70: Yes. GR IVx: No.
How much does each cost?
K-70 launched at $649 and GR IVx at $1,499. The K-70 is $850 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way K-70 vs GR IVx vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed September 2026.
Product images courtesy of Pentax and Ricoh press materials.