DJI
Osmo Pocket 4
Fourth-gen 1-inch pocket gimbal camera with 4K/240fps slow-motion, 14-stop D-Log, ActiveTrack 7.0, 107GB built-in storage, and 240-min battery.
$499
Launch priceReleased Apr 2026
Nikon
Z9
Flagship stacked mirrorless with 45MP, 8K video, and no mechanical shutter.
$5,499
Launch priceReleased Oct 2021
Osmo Pocket 4 is 4.5 years newer.
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Wins
Osmo Pocket 4
Wins
Z9
Which would you choose?
TL;DR — Key differences
- BZ9 has higher Battery life (CIPA) (740 shots vs -1 shots)
- AOsmo Pocket 4 has higher Burst (mechanical) (8 fps vs 0 fps)
- BZ9 has higher RAW buffer depth (1000 frames vs 120 frames)
- AOsmo Pocket 4 has lower Weight (190.5 g vs 1160 g)
- BZ9 has higher Burst (electronic) (120 fps vs 20 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Osmo Pocket 4
34 × 144 × 44 mm
190.5 g (0.42 lb / 6.72 oz)
Credit card
85.6 × 54 mm
for scale
Z9
149 × 150 × 91 mm
1160 g (2.56 lb / 40.92 oz)
Osmo Pocket 4 is 116mm narrower, 5mm shorter, and 46mm thinner than Z9.
Osmo Pocket 4 is 970 g lighter than Z9.
Depth (front-to-back): 44mm Osmo Pocket 4 · 91mm Z9
Back view, to scale
Width × Height — same proportions as the front of the body.
Osmo Pocket 4
34 × 144 mm
Credit card
85.6 × 54 mm
Z9
149 × 150 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Osmo Pocket 4
34 × 44 mm
Credit card
85.6 × 54 mm
Z9
149 × 91 mm
Sensor size, to scale
Osmo Pocket 4
13.2 × 8.8 mm · 1-inch
116 mm² area
Z9
35.9 × 23.9 mm · Full Frame
858 mm² area
7.4× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
Osmo Pocket 4: mount data unavailable
Z9
✓ more lensesNikon Z
90+
native lenses available
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
Osmo Pocket 4
Subject recognition
Adds Human, Face
Burst (mechanical)
8 fps vs 0 fps — higher is better
Codecs
Adds HEVC (H.265), H.264
Dimensions (W×H×D mm)
Adds 33.5, 144.2, 44.4
Card types
Adds microSD
Weight
190.5 g vs 1160 g — lower is better
1080p max frame rate
240 fps vs 120 fps — higher is better
ISO min (native)
50 vs 64 — lower is better
Reasons to choose
Z9
Battery life (CIPA)
740 shots vs -1 shots — higher 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 120 frames — higher is better
Burst (electronic)
120 fps vs 20 fps — higher is better
ISO max (native)
25,600 vs 12,800 — higher is better
Both cameras share
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Osmo Pocket 4
Pros
- ✓4K/240fps slow-motion
- ✓14-stop dynamic range + 10-bit D-Log
- ✓107GB built-in + 800MB/s transfer
- ✓240-min battery life
Cons
- –No US official sale (FCC pending)
- –No weathersealing
- –Fixed lens
Z9
Pros
- ✓45MP stacked
- ✓8K 60p internal
- ✓120fps stills
- ✓Pro build
Cons
- –Heavy body
- –Expensive
- –Large files
Decided which one is right for you?
Compare live prices for the Osmo Pocket 4 and Z9 at major authorized retailers.
DJI Osmo Pocket 4
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, Osmo Pocket 4 or Z9?
Z9 scores 9.5/10 versus 3.0/10 for Osmo Pocket 4 — 45.7MP — excellent for prints up to 24×36".
What's the resolution difference between the Osmo Pocket 4 and Z9?
Osmo Pocket 4 is 37 MP and Z9 is 45.7 MP, so the Z9 captures more detail for cropping and large prints.
Do the Osmo Pocket 4 and Z9 have in-body image stabilization?
Osmo Pocket 4 uses a 3-axis mechanical gimbal, while Z9 has 6-stop in-body image stabilization.
Which shoots faster bursts — the Osmo Pocket 4 or the Z9?
Osmo Pocket 4 reaches 20 fps electronic. Z9 reaches 120 fps electronic.
What's the weight difference between the Osmo Pocket 4 and Z9?
Osmo Pocket 4 weighs 190.5 g and Z9 weighs 1160 g, so the Osmo Pocket 4 is 970 g lighter.
Do the Osmo Pocket 4 and Z9 record 4K video?
Osmo Pocket 4: 4K up to 60p. Z9: 8K UHD (max), 4K up to 120p.
Are the Osmo Pocket 4 and Z9 weather sealed?
Osmo Pocket 4: No. Z9: Yes.
Which has better battery life?
Rated battery life is -1 shots (CIPA) for the Osmo Pocket 4 and 740 shots for the Z9, giving the Z9 the edge.
How much does each cost?
Osmo Pocket 4 launched at $499 and Z9 at $5,499. The Osmo Pocket 4 is $5,000 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Osmo Pocket 4 vs Z9 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of DJI and Nikon press materials.