Sony
Alpha 9 III
Global shutter sports flagship with 120fps and zero rolling shutter for pro action.
$5,999
Launch priceReleased Jan 2024
Sony
FX2
Compact full-frame cinema camera with 4K 120p, S-Cinetone, and active cooling.
$2,499
Launch priceReleased Feb 2025
FX2 is 1.1 years newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
Alpha 9 III
Wins
FX2
3 categories tied
Which would you choose?
TL;DR — Key differences
- BFX2 has higher Burst (mechanical) (10 fps vs 0 fps)
- AAlpha 9 III has higher Burst (electronic) (120 fps vs 10 fps)
- AAlpha 9 III has higher Max video bit rate (600 Mbps vs 200 Mbps)
- AAlpha 9 III has higher EVF resolution (9,437,184 vs 3,690,000)
- BFX2 has lower ISO min (native) (100 vs 250)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareAlpha 9 III
136 × 97 × 83 mm
703 g (1.55 lb / 24.80 oz)
Credit card
85.6 × 54 mm
for scale
FX2
138 × 98 × 88 mm
720 g (1.59 lb / 25.40 oz)
Alpha 9 III is 2mm narrower, 1mm shorter, and 5mm thinner than FX2.
Alpha 9 III is 17 g lighter than FX2.
Depth (front-to-back): 83mm Alpha 9 III · 88mm FX2
Sensor size, to scale
Alpha 9 III
35.6 × 23.8 mm · Full Frame
847 mm² area
FX2
35.9 × 23.9 mm · Full Frame
858 mm² area
Lens ecosystem
Native lens selection
Alpha 9 III
✓ more lensesSony E
350+
native lenses available
FX2
✓ 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 9 III
AF low-light limit
-5 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Burst (electronic)
120 fps vs 10 fps — higher is better
Max video bit rate
600 Mbps vs 200 Mbps — higher is better
EVF resolution
9,437,184 vs 3,690,000 — higher is better
Pre-Capture / Pre-Release
Only Alpha 9 III supports it
4K max frame rate
120 fps vs 60 fps — higher is better
EVF refresh rate
240 Hz vs 120 Hz — higher is better
Reasons to choose
FX2
Burst (mechanical)
10 fps vs 0 fps — higher is better
Dimensions (W×H×D mm)
Adds 138, 98, 88
ISO min (native)
100 vs 250 — lower is better
ISO max (native)
51,200 vs 25,600 — higher is better
Battery life (CIPA)
640 shots vs 400 shots — higher is better
Resolution
33 MP vs 24.6 MP — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓AF points / zones — Both 759
- ✓AF frame coverage — Both 94 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Internal RAW video — Both support internal raw video
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Alpha 9 III
Pros
- ✓Global shutter 120fps
- ✓Zero rolling shutter
- ✓Pro sports AF
- ✓Pre-capture buffer
Cons
- –24.6MP only
- –Premium price
- –Battery drain at max speed
FX2
Pros
- ✓4K 120p
- ✓S-Cinetone / S-Log3
- ✓Compact cinema body
- ✓Active cooling
Cons
- –No EVF
- –Photo ergonomics limited
- –Premium price
Decided which one is right for you?
Compare live prices for the Alpha 9 III and FX2 at major authorized retailers.
Sony Alpha 9 III
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Alpha 9 III or FX2?
Alpha 9 III scores 10.0/10 versus 5.5/10 for FX2 — 120fps burst — pro-level action capture.
What's the resolution difference between the Alpha 9 III and FX2?
Alpha 9 III is 24.6 MP and FX2 is 33 MP, so the FX2 captures more detail for cropping and large prints.
Do the Alpha 9 III and FX2 have in-body image stabilization?
Alpha 9 III has 8-stop in-body image stabilization, while FX2 has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the Alpha 9 III or the FX2?
Alpha 9 III reaches 120 fps electronic. FX2 reaches 10 fps electronic.
What's the weight difference between the Alpha 9 III and FX2?
Alpha 9 III weighs 703 g and FX2 weighs 720 g, so the Alpha 9 III is 17 g lighter.
Do the Alpha 9 III and FX2 record 4K video?
Alpha 9 III: 4K up to 120p. FX2: 4K up to 60p.
Are the Alpha 9 III and FX2 weather sealed?
Alpha 9 III: Yes. FX2: Yes.
Which has better battery life?
Rated battery life is 400 shots (CIPA) for the Alpha 9 III and 640 shots for the FX2, giving the FX2 the edge.
How much does each cost?
Alpha 9 III launched at $5,999 and FX2 at $2,499. The FX2 is $3,500 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Alpha 9 III vs FX2 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.