Sigma
FP2
Pocket-sized L-Mount full-frame body with a 24.5MP partially stacked sensor, 20fps stills, 6K OpenGate / ProRes RAW video, 70GB internal storage, and a Still/Cine mode switch.
$2,199
Launch priceReleased Nov 2026
Sony
FX3
Compact full-frame cinema line camera with S-Cinetone and pro video ergonomics.
$3,899
Launch priceReleased Feb 2021
FP2 is 5.8 years newer.
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Wins
FP2
Wins
FX3
1 categories tied
Which would you choose?
TL;DR — Key differences
- BFX3 has higher Burst (mechanical) (10 fps vs 0 fps)
- BFX3 has higher IBIS effectiveness (5.5 stops vs 0 stops)
- AFP2 has higher Resolution (24.5 MP vs 12.1 MP)
- BFX3 has higher 4K max frame rate (120 fps vs 59.94 fps)
- AFP2 has higher Burst (electronic) (20 fps vs 10 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
FP2
112 × 71 × 41 mm
460 g (1.01 lb / 16.23 oz)
Credit card
85.6 × 54 mm
for scale
FX3
130 × 78 × 85 mm
715 g (1.58 lb / 25.22 oz)
FP2 is 18mm narrower, 7mm shorter, and 44mm thinner than FX3.
FP2 is 255 g lighter than FX3.
Depth (front-to-back): 41mm FP2 · 85mm FX3
Back view, to scale
Width × Height — same proportions as the front of the body.
FP2
112 × 71 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.
FP2
112 × 41 mm
Credit card
85.6 × 54 mm
FX3
130 × 85 mm
Sensor size, to scale
FP2
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
FP2: mount data unavailable
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
FP2
Subject recognition
Adds Animals, Birds, People
Dimensions (W×H×D mm)
Adds 112, 71, 41
Card types
Adds SD, SDHC, SDXC
Resolution
24.5 MP vs 12.1 MP — higher is better
Burst (electronic)
20 fps vs 10 fps — higher is better
Codecs
Adds ProRes RAW, ProRes RAW HQ
Weight
460 g vs 715 g — lower is better
RAW buffer depth
180 frames vs 120 frames — higher is better
Reasons to choose
FX3
AF low-light limit
-6 EV vs -5 EV — lower is better
Subject recognition
Adds Human, Animal
Burst (mechanical)
10 fps vs 0 fps — higher is better
IBIS effectiveness
5.5 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 129.7, 77.8, 84.5
Card types
Adds CFexpress Type A, SD UHS-II
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
4K max frame rate
120 fps vs 59.94 fps — higher is better
Both cameras share
- ✓ISO max (native) — Both 102,400
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Internal RAW video — Both support internal raw video
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
Pros & cons at a glance
Editorially curated highlights and trade-offs.
FP2
Pros
- ✓World's smallest full-frame body (376g body only)
- ✓24.5MP partially stacked sensor, 20fps electronic burst
- ✓6K OpenGate + ProRes RAW HQ, L-Log, 32-bit float audio
- ✓70GB internal storage + SD UHS-II + USB SSD
- ✓Tilting 3.15" LCD, dust/splash resistant, modular EVF-21
Cons
- –No in-body image stabilization (EIS in video only)
- –No built-in EVF — optional EVF-21 sold separately
- –Electronic shutter only
- –No headphone jack (USB audio only)
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 FP2 and FX3 at major authorized retailers.
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, FP2 or FX3?
FX3 scores 8.0/10 versus 3.5/10 for FP2 — 4K recording.
What's the resolution difference between the FP2 and FX3?
FP2 is 24.5 MP and FX3 is 12.1 MP, so the FP2 captures more detail for cropping and large prints.
Do the FP2 and FX3 have in-body image stabilization?
FP2 does not have IBIS, while FX3 has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the FP2 or the FX3?
FP2 reaches 20 fps electronic. FX3 reaches 10 fps electronic.
What's the weight difference between the FP2 and FX3?
FP2 weighs 460 g and FX3 weighs 715 g, so the FP2 is 255 g lighter.
Do the FP2 and FX3 record 4K video?
FP2: 4K up to 59.94p. FX3: 4K up to 120p.
Are the FP2 and FX3 weather sealed?
FP2: Yes. FX3: Yes.
Which has better battery life?
Rated battery life is 370 shots (CIPA) for the FP2 and 580 shots for the FX3, giving the FX3 the edge.
How much does each cost?
FP2 launched at $2,199 and FX3 at $3,899. The FP2 is $1,700 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way FP2 vs FX3 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed October 2026.
Product images courtesy of Sigma and Sony press materials.