Nikon
Z9
Flagship stacked mirrorless with 45MP, 8K video, and no mechanical shutter.
$5,899
Released Oct 2021
Sony
Alpha 7R V
61MP resolution champion with AI-based AF and 8-stop IBIS for landscape and studio work.
$3,899
Released Oct 2022
Alpha 7R V is 1 year newer.
Wins
Z9
Wins
Alpha 7R V
1 categories tied
TL;DR — Key differences
- BAlpha 7R V has higher Burst (mechanical) (10 fps vs 0 fps)
- AZ9 has higher RAW buffer depth (1000 frames vs 68 frames)
- AZ9 has higher Burst (electronic) (120 fps vs 10 fps)
- BAlpha 7R V has higher EVF resolution (9,437,184 vs 3,690,000)
- AZ9 has higher 4K max frame rate (120 fps vs 60 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 7R V
131 × 97 × 82 mm
723 g (1.59 lb / 25.50 oz)
Z9 is 18mm wider, 53mm taller, and 8mm thicker than Alpha 7R V.
Z9 is 617 g heavier than Alpha 7R V.
Depth (front-to-back): 91mm Z9 · 82mm Alpha 7R V
Back view, to scale
Width × Height — same proportions as the front of the body.
Z9
149 × 150 mm
Alpha 7R V
131 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Z9
149 × 91 mm
Alpha 7R V
131 × 82 mm
Sensor size, to scale
Z9
35.9 × 23.9 mm · Full Frame
858 mm² area
Alpha 7R V
35.7 × 23.8 mm · Full Frame
850 mm² area
Lens ecosystem
Native lens selection
Z9
Nikon Z
90+
native lenses available
Alpha 7R V
✓ 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 -4 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 68 frames — higher is better
Burst (electronic)
120 fps vs 10 fps — higher is better
Pre-Capture / Pre-Release
Only Z9 supports it
Reasons to choose
Alpha 7R V
Subject recognition
Adds Human, Animal, Bird…
Burst (mechanical)
10 fps vs 0 fps — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Dimensions (W×H×D mm)
Adds 131.3, 96.9, 82.4
Card types
Adds CFexpress Type A, SD UHS-II
EVF resolution
9,437,184 vs 3,690,000 — higher is better
AA filter
Only Alpha 7R V supports it
Weight
723 g vs 1340 g — lower is better
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Internal RAW video — Both support internal raw video
- ✓In-body stabilization — Both support in-body stabilization
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 2
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 7R V
Pros
- ✓61MP — exceptional detail and crop flexibility
- ✓AI-based subject recognition (AI Processing Unit)
- ✓8-stop IBIS compensation
- ✓9.44M dot EVF — highest on market
Cons
- –10fps burst limits sports/action use
- –Large RAW files (61MB+ each)
- –No internal RAW video
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Z9 or Alpha 7R V?
Z9 scores 9.0/10 versus 5.0/10 for Alpha 7R V — 120fps burst — pro-level action capture.
What's the resolution difference between the Z9 and Alpha 7R V?
Z9 is 45.7 MP and Alpha 7R V is 61 MP, so the Alpha 7R V captures more detail for cropping and large prints.
Do the Z9 and Alpha 7R V have in-body image stabilization?
Z9 has 6-stop in-body image stabilization, while alpha 7R V has 8-stop in-body image stabilization.
Which shoots faster bursts — the Z9 or the Alpha 7R V?
Z9 reaches 120 fps electronic. Alpha 7R V reaches 10 fps electronic.
What's the weight difference between the Z9 and Alpha 7R V?
Z9 weighs 1340 g and Alpha 7R V weighs 723 g, so the Alpha 7R V is 617 g lighter.
Do the Z9 and Alpha 7R V record 4K video?
Z9: 8K UHD (max), 4K up to 120p. Alpha 7R V: 8K (max), 4K up to 60p.
Are the Z9 and Alpha 7R V weather sealed?
Z9: Yes. Alpha 7R V: Yes.
Which has better battery life?
Rated battery life is 740 shots (CIPA) for the Z9 and 530 shots for the Alpha 7R V, giving the Z9 the edge.
How much does each cost?
Z9 launched at $5,899 and Alpha 7R V at $3,899. The Alpha 7R V is $2,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Nikon and Sony press materials.