Blackmagic
PYXIS 12K
Modular full-frame 12K cinema box camera with 16-stop dynamic range, 12288×8040 RGBW sensor, L-Mount, dual CFexpress slots, and 12G-SDI output.
$5,699
Launch priceReleased Apr 2025
Sony
FX3
Compact full-frame cinema line camera with S-Cinetone and pro video ergonomics.
$3,899
Launch priceReleased Feb 2021
PYXIS 12K is 4.2 years newer.
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Wins
PYXIS 12K
Wins
FX3
1 categories tied
Which would you choose?
TL;DR — Key differences
- BFX3 has lower ISO min (native) (80 vs 800)
- APYXIS 12K has higher Resolution (98.8 MP vs 12.1 MP)
- APYXIS 12K has higher Burst (electronic) (60 fps vs 10 fps)
- BFX3 has higher ISO max (native) (102,400 vs 25,600)
- BFX3 has lower Weight (715 g vs 1600 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to sharePYXIS 12K
151 × 119 × 106 mm
1600 g (3.53 lb / 56.44 oz)
Credit card
85.6 × 54 mm
for scale
FX3
130 × 78 × 85 mm
715 g (1.58 lb / 25.22 oz)
PYXIS 12K is 21mm wider, 41mm taller, and 22mm thicker than FX3.
PYXIS 12K is 885 g heavier than FX3.
Depth (front-to-back): 106mm PYXIS 12K · 85mm FX3
Back view, to scale
Width × Height — same proportions as the front of the body.
PYXIS 12K
151 × 119 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.
PYXIS 12K
151 × 106 mm
Credit card
85.6 × 54 mm
FX3
130 × 85 mm
Sensor size, to scale
PYXIS 12K
35.64 × 23.32 mm · Full Frame
831 mm² area
FX3
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Native lens selection
PYXIS 12K: 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
PYXIS 12K
Codecs
Adds Blackmagic RAW 3:1, Blackmagic RAW 5:1, Blackmagic RAW 8:1…
Dimensions (W×H×D mm)
Adds 151, 119, 106
Card types
Adds CFexpress Type B
Resolution
98.8 MP vs 12.1 MP — higher is better
Burst (electronic)
60 fps vs 10 fps — higher is better
Pre-Capture / Pre-Release
Only PYXIS 12K supports it
Reasons to choose
FX3
Subject recognition
Adds Human, Animal
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Dimensions (W×H×D mm)
Adds 129.7, 77.8, 84.5
Card types
Adds CFexpress Type A, SD UHS-II
ISO min (native)
80 vs 800 — lower is better
ISO max (native)
102,400 vs 25,600 — higher is better
Weight
715 g vs 1600 g — lower is better
Eye AF
Only FX3 supports it
Both cameras share
- ✓AA filter — Both support aa filter
- ✓Internal RAW video — Both support internal raw video
- ✓Card slots — Both 2
- ✓Touchscreen — Both support touchscreen
- ✓Bluetooth — Both support bluetooth
- ✓Microphone jack (3.5mm) — Both support microphone jack (3.5mm)
Pros & cons at a glance
Editorially curated highlights and trade-offs.
PYXIS 12K
Pros
- ✓Full-frame 12288×8040 12K open gate
- ✓16 stops dynamic range
- ✓12K up to 60fps (2.4:1), 8K/4K up to 112fps
- ✓Dual CFexpress Type B + 10Gb Ethernet
- ✓1500-nit 4-inch touchscreen
Cons
- –Box body needs rigging
- –Massive 12K file sizes
- –Requires external power for long shoots
- –Single native ISO 800 (no dual native)
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 PYXIS 12K and FX3 at major authorized retailers.
Blackmagic PYXIS 12K
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for travel, PYXIS 12K or FX3?
FX3 scores 6.0/10 versus 0.5/10 for PYXIS 12K — 715g — manageable for travel.
What's the resolution difference between the PYXIS 12K and FX3?
PYXIS 12K is 98.8 MP and FX3 is 12.1 MP, so the PYXIS 12K captures more detail for cropping and large prints.
Do the PYXIS 12K and FX3 have in-body image stabilization?
PYXIS 12K does not have IBIS, while FX3 has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the PYXIS 12K or the FX3?
PYXIS 12K reaches 60 fps electronic. FX3 reaches 10 fps electronic.
What's the weight difference between the PYXIS 12K and FX3?
PYXIS 12K weighs 1600 g and FX3 weighs 715 g, so the FX3 is 885 g lighter.
Do the PYXIS 12K and FX3 record 4K video?
PYXIS 12K: 4K up to 112p. FX3: 4K up to 120p.
Are the PYXIS 12K and FX3 weather sealed?
PYXIS 12K: No. FX3: Yes.
How much does each cost?
PYXIS 12K launched at $5,699 and FX3 at $3,899. The FX3 is $1,800 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way PYXIS 12K vs FX3 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Blackmagic and Sony press materials.