Sony
Alpha 7 V
33MP partially stacked Exmor RS hybrid with BIONZ XR2 AI, 30fps blackout-free burst, 7.5-stop IBIS, and 4K 60p oversampled from 7K.
$2,899
Launch priceReleased Dec 2025
Sony
FX3
Compact full-frame cinema line camera with S-Cinetone and pro video ergonomics.
$3,899
Launch priceReleased Feb 2021
Alpha 7 V is 4.8 years newer.
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Wins
Alpha 7 V
Wins
FX3
5 categories tied
TL;DR — Key differences
- AAlpha 7 V has higher Burst (electronic) (30 fps vs 10 fps)
- AAlpha 7 V has higher Resolution (33 MP vs 12.1 MP)
- BFX3 has higher ISO max (native) (102,400 vs 51,200)
- AAlpha 7 V has higher IBIS effectiveness (7.5 stops vs 5.5 stops)
- BFX3 has higher RAW buffer depth (120 frames vs 95 frames)
Key specs at a glance
Size and weight, to scale
Alpha 7 V
130 × 96 × 82 mm
695 g (1.53 lb / 24.52 oz)
Credit card
85.6 × 54 mm
for scale
FX3
130 × 78 × 85 mm
715 g (1.58 lb / 25.22 oz)
Alpha 7 V is 2mm thinner than FX3 but it is also 1mm wider and 19mm taller.
Alpha 7 V is 20 g lighter than FX3.
Depth (front-to-back): 82mm Alpha 7 V · 85mm FX3
Back view, to scale
Width × Height — same proportions as the front of the body.
Alpha 7 V
130 × 96 mm
Credit card
85.6 × 54 mm
FX3
130 × 78 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Alpha 7 V
130 × 82 mm
Credit card
85.6 × 54 mm
FX3
130 × 85 mm
Sensor size, to scale
Alpha 7 V
35.9 × 23.9 mm · Full Frame
858 mm² area
FX3
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Native lens selection
Alpha 7 V
✓ more lensesSony E
350+
native lenses available
FX3
✓ 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 V
Dimensions (W×H×D mm)
Adds 130.3, 96.4, 82.4
Subject recognition
Adds Bird, Insect, Car…
Burst (electronic)
30 fps vs 10 fps — higher is better
Resolution
33 MP vs 12.1 MP — higher is better
Pre-Capture / Pre-Release
Only Alpha 7 V supports it
Card types
Adds CFexpress Type A / SD UHS-II
IBIS effectiveness
7.5 stops vs 5.5 stops — higher is better
AF points / zones
759 vs 627 — higher is better
Reasons to choose
FX3
AF low-light limit
-6 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 129.7, 77.8, 84.5
ISO max (native)
102,400 vs 51,200 — higher is better
Card types
Adds CFexpress Type A
RAW buffer depth
120 frames vs 95 frames — higher is better
ISO min (native)
80 vs 100 — lower is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓AF frame coverage — Both 94 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (mechanical) — Both 10 fps
- ✓4K max frame rate — Both 120 fps
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Alpha 7 V
Pros
- ✓33MP partially stacked sensor — ~4.5× faster readout than α7 IV
- ✓Blackout-free 30 fps with full AF/AE (electronic shutter)
- ✓7.5-stop central / 6.5-stop peripheral IBIS (CIPA 2024)
- ✓759-point phase-detect AF down to EV -4 with AI subject recognition
- ✓7K oversampled 4K 60p (full-frame, no pixel binning) + 4K 120p
- ✓Pre-Capture and dual USB-C (10 Gbps + USB 2.0)
- ✓Up to 16 stops dynamic range
Cons
- –Premium price vs α7 IV
- –4K 120p typically requires APS-C / Super 35 crop
- –Heavier than α7 IV (695 g vs 659 g with battery)
- –Complex menu and feature set
FX3
Pros
- ✓Cinema form factor
- ✓S-Log3 / S-Cinetone
- ✓Compact for gimbals
- ✓Full-frame sensor
Cons
- –No EVF
- –Still photo ergonomics limited
- –Single card slot
Decided which one is right for you?
Compare live prices for the Alpha 7 V and FX3 at major authorized retailers.
Sony Alpha 7 V
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, Alpha 7 V or FX3?
Alpha 7 V scores 10.0/10 versus 5.5/10 for FX3 — 30fps burst captures fleeting moments.
What's the resolution difference between the Alpha 7 V and FX3?
Alpha 7 V is 33 MP and FX3 is 12.1 MP, so the Alpha 7 V captures more detail for cropping and large prints.
Do the Alpha 7 V and FX3 have in-body image stabilization?
Alpha 7 V has 7.5-stop in-body image stabilization, while fX3 has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the Alpha 7 V or the FX3?
Alpha 7 V reaches 30 fps electronic. FX3 reaches 10 fps electronic.
What's the weight difference between the Alpha 7 V and FX3?
Alpha 7 V weighs 695 g and FX3 weighs 715 g, so the Alpha 7 V is 20 g lighter.
Do the Alpha 7 V and FX3 record 4K video?
Alpha 7 V: 4K up to 120p. FX3: 4K up to 120p.
Are the Alpha 7 V and FX3 weather sealed?
Alpha 7 V: Yes. FX3: Yes.
Which has better battery life?
Rated battery life is 630 shots (CIPA) for the Alpha 7 V and 580 shots for the FX3, giving the Alpha 7 V the edge.
How much does each cost?
Alpha 7 V launched at $2,899 and FX3 at $3,899. The Alpha 7 V is $1,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Sony press materials.