Fujifilm
GFX ETERNA 55
G-mount large-format cinema camera with a 102MP GFX sensor, 8K recording, variable ND, 12G-SDI, and pro I/O.
$16,499
Launch priceReleased Sep 2025
Sony
FX3
Compact full-frame cinema line camera with S-Cinetone and pro video ergonomics.
$3,899
Launch priceReleased Feb 2021
GFX ETERNA 55 is 4.6 years newer.
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Wins
GFX ETERNA 55
Wins
FX3
Which would you choose?
TL;DR — Key differences
- BFX3 has higher IBIS effectiveness (5.5 stops vs 0 stops)
- AGFX ETERNA 55 has higher Resolution (102 MP vs 12.1 MP)
- BFX3 has higher ISO max (native) (102,400 vs 12,800)
- BFX3 has lower ISO min (native) (80 vs 400)
- BFX3 has lower Weight (715 g vs 2000 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareGFX ETERNA 55
111 × 138 × 177 mm
2000 g (4.41 lb / 70.55 oz)
Credit card
85.6 × 54 mm
for scale
FX3
130 × 78 × 85 mm
715 g (1.58 lb / 25.22 oz)
GFX ETERNA 55 is 19mm narrower than FX3 but it is also 60mm taller and 92mm thicker.
GFX ETERNA 55 is 1285 g heavier than FX3.
Depth (front-to-back): 177mm GFX ETERNA 55 · 85mm FX3
Back view, to scale
Width × Height — same proportions as the front of the body.
GFX ETERNA 55
111 × 138 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.
GFX ETERNA 55
111 × 177 mm
Credit card
85.6 × 54 mm
FX3
130 × 85 mm
Sensor size, to scale
GFX ETERNA 55
43.8 × 32.9 mm · Medium Format
1441 mm² area
FX3
35.6 × 23.8 mm · Full Frame
847 mm² area
1.7× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
GFX ETERNA 55: 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
GFX ETERNA 55
Dimensions (W×H×D mm)
Adds 110.8, 138.2, 176.8
Resolution
102 MP vs 12.1 MP — higher is better
Subject recognition
Adds Face, Bird, Automobile…
Codecs
Adds Apple ProRes 422 HQ, Apple ProRes 422, Apple ProRes 422 LT
Card types
Adds CFexpress Type B, SSD via USB
Card slots
3 vs 2 — higher is better
Max video bit rate
720 Mbps vs 600 Mbps — higher is better
AF frame coverage
100 % vs 94 % — higher is better
Reasons to choose
FX3
AF low-light limit
-6 EV vs -3.7 EV — lower 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
ISO max (native)
102,400 vs 12,800 — higher is better
ISO min (native)
80 vs 400 — lower is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Weight
715 g vs 2000 g — lower is better
AA filter
Only FX3 supports it
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
Pros & cons at a glance
Editorially curated highlights and trade-offs.
GFX ETERNA 55
Pros
- ✓Large-format 8K cinema capture
- ✓Electronic variable ND
- ✓12G-SDI and GenLock
- ✓F-Log2 / F-Log2 C
Cons
- –Cinema-only body
- –Very expensive
- –Large and heavy
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 GFX ETERNA 55 and FX3 at major authorized retailers.
Fujifilm GFX ETERNA 55
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for travel, GFX ETERNA 55 or FX3?
FX3 scores 6.0/10 versus 4.0/10 for GFX ETERNA 55 — 715g — manageable for travel.
What's the resolution difference between the GFX ETERNA 55 and FX3?
GFX ETERNA 55 is 102 MP and FX3 is 12.1 MP, so the GFX ETERNA 55 captures more detail for cropping and large prints.
Do the GFX ETERNA 55 and FX3 have in-body image stabilization?
GFX ETERNA 55 does not have IBIS, while FX3 has 5.5-stop in-body image stabilization.
What's the weight difference between the GFX ETERNA 55 and FX3?
GFX ETERNA 55 weighs 2000 g and FX3 weighs 715 g, so the FX3 is 1285 g lighter.
Do the GFX ETERNA 55 and FX3 record 4K video?
GFX ETERNA 55: 8K (max), 4K up to 60p. FX3: 4K up to 120p.
Are the GFX ETERNA 55 and FX3 weather sealed?
GFX ETERNA 55: Yes. FX3: Yes.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the GFX ETERNA 55 and 580 shots for the FX3, giving the FX3 the edge.
How much does each cost?
GFX ETERNA 55 launched at $16,499 and FX3 at $3,899. The FX3 is $12,600 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way GFX ETERNA 55 vs FX3 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Fujifilm and Sony press materials.