
Nikon
Z9
Flagship stacked mirrorless with 45MP, 8K video, and no mechanical shutter.
$5,899
Released Oct 2021
Sony
Alpha 6000
Classic compact APS-C body that sold millions and introduced many to mirrorless.
$649
Released Feb 2014
Z9 is 7.7 years newer.
Wins
Z9
Wins
Alpha 6000
1 categories tied
TL;DR — Key differences
- BAlpha 6000 has higher Burst (mechanical) (11 fps vs 0 fps)
- AZ9 has higher 4K max frame rate (120 fps vs 0 fps)
- AZ9 has higher IBIS effectiveness (6 stops vs 0 stops)
- AZ9 has higher RAW buffer depth (1000 frames vs 60 frames)
- AZ9 has higher Burst (electronic) (120 fps vs 11 fps)
Key specs at a glance
Size and weight, to scale

Z9
149 × 150 × 91 mm
1340 g (2.95 lb / 47.27 oz)
Alpha 6000
120 × 67 × 45 mm
344 g (0.76 lb / 12.13 oz)
Z9 is 29mm wider, 83mm taller, and 45mm thicker than Alpha 6000.
Z9 is 996 g heavier than Alpha 6000.
Depth (front-to-back): 91mm Z9 · 45mm Alpha 6000
Back view, to scale
Width × Height — same proportions as the front of the body.

Z9
149 × 150 mm
Alpha 6000
120 × 67 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.

Z9
149 × 91 mm
Alpha 6000
120 × 45 mm
Sensor size, to scale
Z9
35.9 × 23.9 mm · Full Frame
858 mm² area
Alpha 6000
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
Nikon Z
90+
native lenses available
Alpha 6000
✓ more lensesSony E
350+
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
Z9
AF low-light limit
-8.5 EV vs -1 EV — lower is better
Subject recognition
Adds People, Birds, Dogs…
4K max frame rate
120 fps vs 0 fps — higher is better
Codecs
Adds N-RAW, ProRes RAW HQ, ProRes 422 HQ…
IBIS effectiveness
6 stops vs 0 stops — higher is better
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
Reasons to choose
Alpha 6000
Subject recognition
Adds Human
Burst (mechanical)
11 fps vs 0 fps — higher is better
Codecs
Adds AVCHD, MP4, H.264
Dimensions (W×H×D mm)
Adds 120, 66.9, 45.1
Card types
Adds SD UHS-I
Weight
344 g vs 1340 g — lower is better
Both cameras share
- ✓ISO max (native) — Both 25,600
- ✓Eye AF — Both support eye af
- ✓Wi-Fi — Both support wi-fi
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
Alpha 6000
Pros
- ✓Ultra compact
- ✓Fast AF for era
- ✓Affordable
Cons
- –Very dated
- –No IBIS
- –No 4K
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, Z9 or Alpha 6000?
Z9 scores 9.5/10 versus 1.0/10 for Alpha 6000 — 8K recording for future-proof footage.
What's the resolution difference between the Z9 and Alpha 6000?
Z9 is 45.7 MP and Alpha 6000 is 24.3 MP, so the Z9 captures more detail for cropping and large prints.
Do the Z9 and Alpha 6000 have in-body image stabilization?
Z9 has 6-stop in-body image stabilization, while alpha 6000 does not have IBIS.
Which shoots faster bursts — the Z9 or the Alpha 6000?
Z9 reaches 120 fps electronic. Alpha 6000 reaches 11 fps electronic.
What's the weight difference between the Z9 and Alpha 6000?
Z9 weighs 1340 g and Alpha 6000 weighs 344 g, so the Alpha 6000 is 996 g lighter.
Do the Z9 and Alpha 6000 record 4K video?
Z9: 8K UHD (max), 4K up to 120p. Alpha 6000: Full HD.
Are the Z9 and Alpha 6000 weather sealed?
Z9: Yes. Alpha 6000: No.
Which has better battery life?
Rated battery life is 740 shots (CIPA) for the Z9 and 360 shots for the Alpha 6000, giving the Z9 the edge.
How much does each cost?
Z9 launched at $5,899 and Alpha 6000 at $649. The Alpha 6000 is $5,250 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Nikon and Sony press materials.