Pentax
K-3 Mark III
APS-C DSLR flagship with optical viewfinder and weather sealing.
$1,999
Launch priceReleased Apr 2021
RED
KOMODO 6K
Compact Super 35 global-shutter cinema camera with 6K REDCODE RAW, Canon RF mount, 16+ stops DR, and a built-in 2.9-inch touchscreen.
$5,995
Launch priceReleased Oct 2020
K-3 Mark III is 7 months newer.
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Wins
K-3 Mark III
Wins
KOMODO 6K
1 categories tied
Which would you choose?
TL;DR — Key differences
- AK-3 Mark III has lower ISO min (native) (100 vs 800)
- AK-3 Mark III has higher ISO max (native) (25,600 vs 3,200)
- BKOMODO 6K has higher Burst (electronic) (120 fps vs 20 fps)
- AK-3 Mark III has higher Card slots (2 vs 1)
- AK-3 Mark III has lower Weight (520 g vs 1000 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareK-3 Mark III
138 × 98 × 88 mm
520 g (1.15 lb / 18.34 oz)
Credit card
85.6 × 54 mm
for scale
KOMODO 6K
102 × 102 × 102 mm
1000 g (2.20 lb / 35.27 oz)
K-3 Mark III is 4mm shorter and 14mm thinner than KOMODO 6K but it is also 36mm wider.
K-3 Mark III is 480 g lighter than KOMODO 6K.
Depth (front-to-back): 88mm K-3 Mark III · 102mm KOMODO 6K
Back view, to scale
Width × Height — same proportions as the front of the body.
K-3 Mark III
138 × 98 mm
Credit card
85.6 × 54 mm
KOMODO 6K
102 × 102 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
K-3 Mark III
138 × 88 mm
Credit card
85.6 × 54 mm
KOMODO 6K
102 × 102 mm
Sensor size, to scale
K-3 Mark III
23.5 × 15.6 mm · APS-C
367 mm² area
KOMODO 6K
27.03 × 14.26 mm · APS-C
385 mm² area
Lens ecosystem
Native lens selection
K-3 Mark III
✓ more lensesPentax K
70+
native lenses available
KOMODO 6K: 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-3 Mark III
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
ISO min (native)
100 vs 800 — lower is better
ISO max (native)
25,600 vs 3,200 — higher is better
Eye AF
Only K-3 Mark III supports it
Animal / bird AF
Only K-3 Mark III supports it
Reasons to choose
KOMODO 6K
Codecs
Adds REDCODE RAW HQ/MQ/LQ, Apple ProRes 422 HQ, Apple ProRes 422
Dimensions (W×H×D mm)
Adds 102, 102, 102
Card types
Adds CFast 2.0
Burst (electronic)
120 fps vs 20 fps — higher is better
Internal RAW video
Only KOMODO 6K supports it
Both cameras share
- ✓4K max frame rate — Both 60 fps
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Microphone jack (3.5mm) — Both support microphone jack (3.5mm)
Pros & cons at a glance
Editorially curated highlights and trade-offs.
K-3 Mark III
Pros
- ✓Optical viewfinder
- ✓Weather sealed
- ✓IBIS in DSLR
Cons
- –DSLR system declining
- –APS-C
- –Limited video
KOMODO 6K
Pros
- ✓Global shutter Super 35 6K sensor
- ✓16+ stops dynamic range
- ✓REDCODE RAW up to 120fps in 2K
- ✓Compact 952g aluminum body
- ✓12G-SDI + integrated touchscreen
Cons
- –Single CFast 2.0 slot
- –RF mount needs adapters for PL/EF
- –Small integrated monitor
- –No in-body ND filters
Decided which one is right for you?
Compare live prices for the K-3 Mark III and KOMODO 6K at major authorized retailers.
Pentax K-3 Mark III
RED KOMODO 6K
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for travel, K-3 Mark III or KOMODO 6K?
K-3 Mark III scores 8.5/10 versus 1.0/10 for KOMODO 6K — 520g — compact and travel-friendly.
What's the resolution difference between the K-3 Mark III and KOMODO 6K?
K-3 Mark III is 25.7 MP and KOMODO 6K is 19.9 MP, so the K-3 Mark III captures more detail for cropping and large prints.
Do the K-3 Mark III and KOMODO 6K have in-body image stabilization?
K-3 Mark III has 7-stop in-body image stabilization, while KOMODO 6K does not have IBIS.
Which shoots faster bursts — the K-3 Mark III or the KOMODO 6K?
K-3 Mark III reaches 20 fps electronic. KOMODO 6K reaches 120 fps electronic.
What's the weight difference between the K-3 Mark III and KOMODO 6K?
K-3 Mark III weighs 520 g and KOMODO 6K weighs 1000 g, so the K-3 Mark III is 480 g lighter.
Do the K-3 Mark III and KOMODO 6K record 4K video?
K-3 Mark III: 4K up to 60p. KOMODO 6K: 6K 17:9 (6144 × 3240) (max), 4K up to 60p.
Are the K-3 Mark III and KOMODO 6K weather sealed?
K-3 Mark III: Yes. KOMODO 6K: No.
How much does each cost?
K-3 Mark III launched at $1,999 and KOMODO 6K at $5,995. The K-3 Mark III is $3,996 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way K-3 Mark III vs KOMODO 6K vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Pentax and RED press materials.