Sony
Alpha 7 IV
33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.
$2,499
Launch priceReleased Oct 2021
Sony
Alpha 9 II
24MP sports body with 20fps and proven pro workflow.
$4,499
Launch priceReleased Oct 2019
Alpha 7 IV is 2 years newer.
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Wins
Alpha 7 IV
Wins
Alpha 9 II
9 categories tied
Which would you choose?
TL;DR — Key differences
- AAlpha 7 IV has higher RAW buffer depth (828 frames vs 120 frames)
- AAlpha 7 IV has higher Max video bit rate (600 Mbps vs 150 Mbps)
- BAlpha 9 II has higher Burst (electronic) (20 fps vs 10 fps)
- AAlpha 7 IV has higher 4K max frame rate (60 fps vs 30 fps)
- AAlpha 7 IV has higher Resolution (33 MP vs 24.2 MP)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Alpha 7 IV
131 × 96 × 80 mm
658 g (1.45 lb / 23.21 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 9 II
129 × 96 × 78 mm
678 g (1.49 lb / 23.92 oz)
Alpha 7 IV is 2mm wider and 2mm thicker than Alpha 9 II.
Alpha 7 IV is 20 g lighter than Alpha 9 II.
Depth (front-to-back): 80mm Alpha 7 IV · 78mm Alpha 9 II
Back view, to scale
Width × Height — same proportions as the front of the body.
Alpha 7 IV
131 × 96 mm
Credit card
85.6 × 54 mm
Alpha 9 II
129 × 96 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Alpha 7 IV
131 × 80 mm
Credit card
85.6 × 54 mm
Alpha 9 II
129 × 78 mm
Sensor size, to scale
Alpha 7 IV
35.9 × 23.9 mm · Full Frame
858 mm² area
Alpha 9 II
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Native lens selection
Alpha 7 IV
✓ more lensesSony E
350+
native lenses available
Alpha 9 II
✓ 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
Alpha 7 IV
AF low-light limit
-4 EV vs -3 EV — lower is better
RAW buffer depth
828 frames vs 120 frames — higher is better
Max video bit rate
600 Mbps vs 150 Mbps — higher is better
Subject recognition
Adds Bird, Insect, Car/Train…
Dimensions (W×H×D mm)
Adds 131.3, 79.8
Codecs
Adds XAVC HS, XAVC S-I, H.265
4K max frame rate
60 fps vs 30 fps — higher is better
Internal RAW video
Only Alpha 7 IV supports it
Reasons to choose
Alpha 9 II
Dimensions (W×H×D mm)
Adds 128.9, 77.5
Burst (electronic)
20 fps vs 10 fps — higher is better
Codecs
Adds AVCHD
Battery life (CIPA)
690 shots vs 580 shots — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓ISO max (native) — Both 51,200
- ✓AF frame coverage — Both 94 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Alpha 7 IV
Pros
- ✓33MP — more detail for cropping and print
- ✓10-bit 4K 60p (Super35 crop) / 4K 30p full-frame
- ✓Full-size HDMI port
- ✓759 phase-detect AF points
Cons
- –4K 60p requires Super35 crop
- –10fps burst lags behind R6 II at 40fps
- –Complex menu system
Alpha 9 II
Pros
- ✓20fps silent burst
- ✓Sports AF
- ✓Dual slots
Cons
- –24MP resolution
- –Older than A9 III
- –No global shutter
Decided which one is right for you?
Compare live prices for the Alpha 7 IV and Alpha 9 II at major authorized retailers.
Sony Alpha 7 IV
Sony Alpha 9 II
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for vlogging, Alpha 7 IV or Alpha 9 II?
Alpha 7 IV scores 8.0/10 versus 4.5/10 for Alpha 9 II — Fully articulating screen — see yourself while filming.
What's the resolution difference between the Alpha 7 IV and Alpha 9 II?
Alpha 7 IV is 33 MP and Alpha 9 II is 24.2 MP, so the Alpha 7 IV captures more detail for cropping and large prints.
Do the Alpha 7 IV and Alpha 9 II have in-body image stabilization?
Alpha 7 IV has 5.5-stop in-body image stabilization, while Alpha 9 II has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the Alpha 7 IV or the Alpha 9 II?
Alpha 7 IV reaches 10 fps electronic. Alpha 9 II reaches 20 fps electronic.
What's the weight difference between the Alpha 7 IV and Alpha 9 II?
Alpha 7 IV weighs 658 g and Alpha 9 II weighs 678 g, so the Alpha 7 IV is 20 g lighter.
Do the Alpha 7 IV and Alpha 9 II record 4K video?
Alpha 7 IV: 4K up to 60p. Alpha 9 II: 4K up to 30p.
Are the Alpha 7 IV and Alpha 9 II weather sealed?
Alpha 7 IV: Yes. Alpha 9 II: Yes.
Which has better battery life?
Rated battery life is 580 shots (CIPA) for the Alpha 7 IV and 690 shots for the Alpha 9 II, giving the Alpha 9 II the edge.
How much does each cost?
Alpha 7 IV launched at $2,499 and Alpha 9 II at $4,499. The Alpha 7 IV is $2,000 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Alpha 7 IV vs Alpha 9 II vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Sony press materials.