Nikon
Z9
Flagship stacked mirrorless with 45MP, 8K video, and no mechanical shutter.
$5,899
Released Oct 2021
Sony
FX6
Full-frame cinema camcorder with dual base ISO and pro broadcast features.
$5,999
Released Nov 2020
Z9 is 11 months newer.
Wins
Z9
Wins
FX6
3 categories tied
TL;DR — Key differences
- AZ9 has higher Burst (electronic) (120 fps vs 0 fps)
- AZ9 has higher IBIS effectiveness (6 stops vs 0 stops)
- AZ9 has lower ISO min (native) (64 vs 800)
- AZ9 has higher Resolution (45.7 MP vs 10.2 MP)
- AZ9 has higher ISO max (native) (25,600 vs 12,800)
Key specs at a glance
Size and weight, to scale
Z9
149 × 150 × 91 mm
1340 g (2.95 lb / 47.27 oz)
FX6
114 × 116 × 153 mm
890 g (1.96 lb / 31.39 oz)
Z9 is 63mm thinner than FX6 but it is also 35mm wider and 34mm taller.
Z9 is 450 g heavier than FX6.
Depth (front-to-back): 91mm Z9 · 153mm FX6
Back view, to scale
Width × Height — same proportions as the front of the body.
Z9
149 × 150 mm
FX6
114 × 116 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Z9
149 × 91 mm
FX6
114 × 153 mm
Sensor size, to scale
Z9
35.9 × 23.9 mm · Full Frame
858 mm² area
FX6
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Native lens selection
Z9
Nikon Z
90+
native lenses available
FX6
✓ 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 -6 EV — lower is better
Subject recognition
Adds People, Birds, Dogs…
Burst (electronic)
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
ISO min (native)
64 vs 800 — lower is better
Reasons to choose
FX6
Subject recognition
Adds Human, Animal
Codecs
Adds XAVC-I, XAVC-L, H.264
Dimensions (W×H×D mm)
Adds 114, 116, 153
Card types
Adds CFexpress Type A, SD UHS-II
AA filter
Only FX6 supports it
EVF resolution
5,760,000 vs 3,690,000 — higher is better
Weight
890 g vs 1340 g — lower is better
AF points / zones
627 vs 493 — higher is better
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓4K max frame rate — Both 120 fps
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 2
- ✓Touchscreen — Both support touchscreen
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
FX6
Pros
- ✓Dual base ISO
- ✓Pro cinema workflow
- ✓Internal XAVC
- ✓ND filters
Cons
- –Fixed lens mount needs adapters
- –Large for solo travel
- –Premium price
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Z9 or FX6?
Z9 scores 9.0/10 versus 3.0/10 for FX6 — 120fps burst — pro-level action capture.
What's the resolution difference between the Z9 and FX6?
Z9 is 45.7 MP and FX6 is 10.2 MP, so the Z9 captures more detail for cropping and large prints.
Do the Z9 and FX6 have in-body image stabilization?
Z9 has 6-stop in-body image stabilization, while fX6 does not have IBIS.
What's the weight difference between the Z9 and FX6?
Z9 weighs 1340 g and FX6 weighs 890 g, so the FX6 is 450 g lighter.
Do the Z9 and FX6 record 4K video?
Z9: 8K UHD (max), 4K up to 120p. FX6: 4K up to 120p.
Are the Z9 and FX6 weather sealed?
Z9: Yes. FX6: Yes.
Which has better battery life?
Rated battery life is 740 shots (CIPA) for the Z9 and 520 shots for the FX6, giving the Z9 the edge.
How much does each cost?
Z9 launched at $5,899 and FX6 at $5,999. The Z9 is $100 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Nikon and Sony press materials.