Cameraegg Compare logoCameraegg Compare
Z9

Nikon

Z9

Flagship stacked mirrorless with 45MP, 8K video, and no mechanical shutter.

$5,899

Released Oct 2021

vs

Pentax

K-70

Weather-sealed APS-C DSLR with IBIS and AA filter simulator.

$649

Released Jun 2016

Z9 is 5.4 years newer.

Wins

10categories

Z9

Video & HybridLandscape

Wins

2categories

K-70

WildlifeTravel

3 categories tied

TL;DR — Key differences

Z9 wins 3 categories·K-70 wins 2 categories
  • BK-70 has higher Burst (mechanical) (6 fps vs 0 fps)
  • AZ9 has higher RAW buffer depth (1000 frames vs 60 frames)
  • AZ9 has higher Burst (electronic) (120 fps vs 15 fps)
  • AZ9 has higher AF points / zones (493 vs 101)
  • BK-70 has lower Weight (520 g vs 1340 g)

Key specs at a glance

Z9K-70
Resolution45.7 MP24.2 MP
SensorFull FrameAPS-C
ISO max25,60025,600
Burst120 fps15 fps
4K120 fps60 fps
IBIS6-stop6-stop
Weight1340 g520 g
Battery740 shots640 shots

Size and weight, to scale

Z9 front view

Z9

149 × 150 × 91 mm

1340 g (2.95 lb / 47.27 oz)

K-70

138 × 98 × 88 mm

520 g (1.15 lb / 18.34 oz)

Z9 is 11mm wider, 52mm taller, and 3mm thicker than K-70.

Z9 is 820 g heavier than K-70.

Depth (front-to-back): 91mm Z9 · 88mm K-70

Back view, to scale

Width × Height — same proportions as the front of the body.

Z9 back view

Z9

149 × 150 mm

K-70

138 × 98 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

Z9 top view

Z9

149 × 91 mm

K-70

138 × 88 mm

Sensor size, to scale

Z9

35.9 × 23.9 mm · Full Frame

858 mm² area

K-70

23.5 × 15.6 mm · APS-C

367 mm² area

2.3× larger sensor area = shallower depth of field and better low-light performance.

Lens ecosystem

Native lens selection

Z9

✓ more lenses

Nikon Z

90+

native lenses available

40 first-party50 third-party

K-70

Pentax K

70+

native lenses available

30 first-party40 third-party

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

Use caseZ9K-70
Portrait
8.5Excellent✓ wins
6.5Good
Sports & Action
9.0Excellent✓ wins
6.0Good
Video & Hybrid
9.5Excellent✓ wins
6.0Good
Landscape
9.5Excellent✓ wins
5.0Fair
Travel
5.5Fair
8.5Excellent✓ wins
Wildlife
5.5Fair
9.0Excellent✓ wins
Vlogging
5.5Fair
7.0Good✓ wins

Why pick one over the other

Reasons to choose

Z9

  • AF low-light limit

    -8.5 EV vs -3 EV — lower is better

  • Subject recognition

    Adds People, Birds, Dogs…

  • Codecs

    Adds N-RAW, ProRes RAW HQ, ProRes 422 HQ…

  • Dimensions (W×H×D mm)

    Adds 149, 149.5, 90.5

  • Card types

    Adds CFexpress Type B / XQD, CFexpress Type B / XQD

  • RAW buffer depth

    1000 frames vs 60 frames — higher is better

  • Burst (electronic)

    120 fps vs 15 fps — higher is better

  • AF points / zones

    493 vs 101 — higher is better

Reasons to choose

K-70

  • Subject recognition

    Adds Human, Animal, Bird…

  • Burst (mechanical)

    6 fps vs 0 fps — higher is better

  • Codecs

    Adds H.265, H.264

  • Dimensions (W×H×D mm)

    Adds 138, 98, 88

  • Card types

    Adds SD UHS-II

  • Weight

    520 g vs 1340 g — lower is better

Both cameras share

  • ISO max (native)Both 25,600
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release
  • In-body stabilizationBoth support in-body stabilization
  • IBIS effectivenessBoth 6 stops

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Z9

Pros

  • 45MP stacked
  • 8K 60p internal
  • 120fps stills
  • Pro build

Cons

  • Heavy body
  • Expensive
  • Large files

K-70

Pros

  • Weather sealed entry
  • IBIS in DSLR
  • Unique features

Cons

  • DSLR
  • 24MP dated
  • Limited video

Full specifications

= category winner

Z9
K-70
Resolution
45.7 MP+89%
24.2 MP
Sensor type
Full Frame Stacked BSI CMOS
APS-C CMOS
Sensor size
35.9 × 23.9 mm
23.5 × 15.6 mm
AA filter
No
No
Z9
K-70
AF system
Hybrid AF (phase-detect + contrast-detect)
SAFOX 12
AF points / zones
4934.9× more
101
AF frame coverage
100 %
AF low-light limit
-8.5 EV
-3 EV
Eye AF
Yes
Yes
Animal / bird AF
Yes
Yes
Subject recognition
People, Birds, Dogs, Cats, Cars, Bicycles, Motorcycles, Trains, Airplanes
Human, Animal, Bird, Vehicle
Z9
K-70
Burst (mechanical)
0 fps
6 fps
Burst (electronic)
120 fps8× more
15 fps
Pre-Capture / Pre-Release
Yes
Yes
RAW buffer depth
1000 frames16.7× more
60 frames
Z9
K-70
Max resolution
8K UHD
4K UHD
4K max frame rate
120 fps2× more
60 fps
Max video bit rate
150 Mbps
Internal RAW video
Yes
No
Log profile
N-Log / HLG
Standard profiles
Codecs
N-RAW, ProRes RAW HQ, ProRes 422 HQ, H.265/HEVC, H.264/AVC
H.265, H.264
Z9
K-70
Weight
1340 g
520 g−820 g less
Dimensions (W×H×D mm)
149 × 149.5 × 90.5 mm
138 × 98 × 88 mm
Weather sealing
Yes
Yes

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, Z9 or K-70?

Z9 scores 9.5/10 versus 5.0/10 for K-70 — 45.7MP — excellent for prints up to 24×36".

What's the resolution difference between the Z9 and K-70?

Z9 is 45.7 MP and K-70 is 24.2 MP, so the Z9 captures more detail for cropping and large prints.

Do the Z9 and K-70 have in-body image stabilization?

Z9 has 6-stop in-body image stabilization, while k-70 has 6-stop in-body image stabilization.

Which shoots faster bursts — the Z9 or the K-70?

Z9 reaches 120 fps electronic. K-70 reaches 15 fps electronic.

What's the weight difference between the Z9 and K-70?

Z9 weighs 1340 g and K-70 weighs 520 g, so the K-70 is 820 g lighter.

Do the Z9 and K-70 record 4K video?

Z9: 8K UHD (max), 4K up to 120p. K-70: 4K up to 60p.

Are the Z9 and K-70 weather sealed?

Z9: Yes. K-70: Yes.

Which has better battery life?

Rated battery life is 740 shots (CIPA) for the Z9 and 640 shots for the K-70, giving the Z9 the edge.

How much does each cost?

Z9 launched at $5,899 and K-70 at $649. The K-70 is $5,250 less.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.

Product images courtesy of Nikon and Pentax press materials.