Nikon
Z9
Flagship stacked mirrorless with 45MP, 8K video, and no mechanical shutter.
$5,899
Released Oct 2021
Sigma
fp
Minimalist full-frame box camera for creative stills and video.
$1,899
Released Jul 2019
Z9 is 2.3 years newer.
Wins
Z9
Wins
fp
1 categories tied
TL;DR — Key differences
- Bfp has higher Burst (mechanical) (6 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)
- AZ9 has higher AF points / zones (493 vs 49)
Key specs at a glance
Size and weight, to scale
Z9
149 × 150 × 91 mm
1340 g (2.95 lb / 47.27 oz)
fp
138 × 98 × 88 mm
720 g (1.59 lb / 25.40 oz)
Z9 is 11mm wider, 52mm taller, and 3mm thicker than fp.
Z9 is 620 g heavier than fp.
Depth (front-to-back): 91mm Z9 · 88mm fp
Back view, to scale
Width × Height — same proportions as the front of the body.
Z9
149 × 150 mm
fp
138 × 98 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Z9
149 × 91 mm
fp
138 × 88 mm
Sensor size, to scale
Z9
35.9 × 23.9 mm · Full Frame
858 mm² area
fp
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
Z9
✓ more lensesNikon Z
90+
native lenses available
fp: 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
Z9
AF low-light limit
-8.5 EV vs -5 EV — lower is better
Subject recognition
Adds People, Birds, Dogs…
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
Burst (electronic)
120 fps vs 11 fps — higher is better
Reasons to choose
fp
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
AA filter
Only fp supports it
Weight
720 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
- ✓Bluetooth — Both support bluetooth
- ✓Microphone jack (3.5mm) — Both support microphone jack (3.5mm)
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
fp
Pros
- ✓Ultra compact
- ✓L-mount
- ✓Unique concept
Cons
- –No IBIS
- –24MP
- –Poor ergonomics for long shoots
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Z9 or fp?
Z9 scores 9.0/10 versus 2.5/10 for fp — 120fps burst — pro-level action capture.
What's the resolution difference between the Z9 and fp?
Z9 is 45.7 MP and fp is 24.2 MP, so the Z9 captures more detail for cropping and large prints.
Do the Z9 and fp have in-body image stabilization?
Z9 has 6-stop in-body image stabilization, while fp does not have IBIS.
Which shoots faster bursts — the Z9 or the fp?
Z9 reaches 120 fps electronic. fp reaches 11 fps electronic.
What's the weight difference between the Z9 and fp?
Z9 weighs 1340 g and fp weighs 720 g, so the fp is 620 g lighter.
Do the Z9 and fp record 4K video?
Z9: 8K UHD (max), 4K up to 120p. fp: 4K up to 60p.
Are the Z9 and fp weather sealed?
Z9: Yes. fp: No.
Which has better battery life?
Rated battery life is 740 shots (CIPA) for the Z9 and 640 shots for the fp, giving the Z9 the edge.
How much does each cost?
Z9 launched at $5,899 and fp at $1,899. The fp is $4,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Nikon and Sigma press materials.