Sony
Alpha 9 III
Global shutter sports flagship with 120fps and zero rolling shutter for pro action.
$5,999
Launch priceReleased Jan 2024
Sony
FX6
Full-frame cinema camcorder with dual base ISO and pro broadcast features.
$5,999
Launch priceReleased Nov 2020
Alpha 9 III is 3.2 years newer.
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Wins
Alpha 9 III
Wins
FX6
4 categories tied
Which would you choose?
TL;DR — Key differences
- AAlpha 9 III has higher Burst (electronic) (120 fps vs 0 fps)
- AAlpha 9 III has higher IBIS effectiveness (8 stops vs 0 stops)
- AAlpha 9 III has lower ISO min (native) (250 vs 800)
- AAlpha 9 III has higher Resolution (24.6 MP vs 10.2 MP)
- AAlpha 9 III has higher ISO max (native) (25,600 vs 12,800)
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
FX6
114 × 116 × 153 mm
890 g (1.96 lb / 31.39 oz)
Alpha 9 III is 19mm shorter and 70mm thinner than FX6 but it is also 22mm wider.
Alpha 9 III is 187 g lighter than FX6.
Depth (front-to-back): 83mm Alpha 9 III · 153mm FX6
Back view, to scale
Width × Height — same proportions as the front of the body.
Alpha 9 III
136 × 97 mm
Credit card
85.6 × 54 mm
FX6
114 × 116 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Alpha 9 III
136 × 83 mm
Credit card
85.6 × 54 mm
FX6
114 × 153 mm
Sensor size, to scale
Alpha 9 III
35.6 × 23.8 mm · Full Frame
847 mm² area
FX6
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Native lens selection
Alpha 9 III
✓ more lensesSony E
350+
native lenses available
FX6: 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
Alpha 9 III
Burst (electronic)
120 fps vs 0 fps — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
IBIS effectiveness
8 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
ISO min (native)
250 vs 800 — lower is better
Subject recognition
Adds Bird, Insect, Car/Train…
Resolution
24.6 MP vs 10.2 MP — higher is better
ISO max (native)
25,600 vs 12,800 — higher is better
Reasons to choose
FX6
AF low-light limit
-6 EV vs -5 EV — lower is better
Codecs
Adds XAVC-I, XAVC-L, MPEG-4 AVC/H.264
Dimensions (W×H×D mm)
Adds 114, 116, 153
Card types
Adds SD card
Battery life (CIPA)
520 shots vs 400 shots — higher 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
- ✓Max video bit rate — Both 600 Mbps
- ✓Weather sealing — Both support weather sealing
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
FX6
Pros
- ✓Dual base ISO
- ✓Pro cinema workflow
- ✓Internal XAVC
- ✓ND filters
Cons
- –Fixed lens mount needs adapters
- –Large for solo travel
- –Premium price
Decided which one is right for you?
Compare live prices for the Alpha 9 III and FX6 at major authorized retailers.
Sony Alpha 9 III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, Alpha 9 III or FX6?
Alpha 9 III scores 9.5/10 versus 3.0/10 for FX6 — 120fps burst captures fleeting moments.
What's the resolution difference between the Alpha 9 III and FX6?
Alpha 9 III is 24.6 MP and FX6 is 10.2 MP, so the Alpha 9 III captures more detail for cropping and large prints.
Do the Alpha 9 III and FX6 have in-body image stabilization?
Alpha 9 III has 8-stop in-body image stabilization, while FX6 does not have IBIS.
What's the weight difference between the Alpha 9 III and FX6?
Alpha 9 III weighs 703 g and FX6 weighs 890 g, so the Alpha 9 III is 187 g lighter.
Do the Alpha 9 III and FX6 record 4K video?
Alpha 9 III: 4K up to 120p. FX6: 4K up to 60p.
Are the Alpha 9 III and FX6 weather sealed?
Alpha 9 III: Yes. FX6: Yes.
Which has better battery life?
Rated battery life is 400 shots (CIPA) for the Alpha 9 III and 520 shots for the FX6, giving the FX6 the edge.
How much does each cost?
Both launched at $5,999.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Alpha 9 III vs FX6 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Sony press materials.