Fujifilm
GFX100
Original 102MP GFX flagship with integrated vertical grip, IBIS, phase-detect AF, and 4K video.
$9,999
Released May 2019
Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Released Nov 2024
Alpha 1 II is 5.5 years newer.
Wins
GFX100
Wins
Alpha 1 II
2 categories tied
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TL;DR — Key differences
- BAlpha 1 II has higher RAW buffer depth (200 frames vs 14 frames)
- BAlpha 1 II has higher Burst (electronic) (30 fps vs 5 fps)
- BAlpha 1 II has higher 4K max frame rate (120 fps vs 30 fps)
- AGFX100 has higher Max video bit rate (400 Mbps vs 150 Mbps)
- BAlpha 1 II has higher ISO max (native) (32,000 vs 12,800)
Key specs at a glance
Size and weight, to scale
GFX100
156 × 164 × 103 mm
1400 g (3.09 lb / 49.38 oz)
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
GFX100 is 20mm wider, 67mm taller, and 20mm thicker than Alpha 1 II.
GFX100 is 657 g heavier than Alpha 1 II.
Depth (front-to-back): 103mm GFX100 · 83mm Alpha 1 II
Sensor size, to scale
GFX100
43.8 × 32.9 mm · Medium Format
1441 mm² area
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
1.7× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
GFX100: mount data unavailable
Alpha 1 II
✓ 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
GFX100
Dimensions (W×H×D mm)
Adds 156.2, 163.6, 102.9
Subject recognition
Adds Face, Eye
Max video bit rate
400 Mbps vs 150 Mbps — higher is better
Resolution
102 MP vs 50.1 MP — higher is better
Battery life (CIPA)
800 shots vs 520 shots — higher is better
AF frame coverage
100 % vs 94 % — higher is better
Reasons to choose
Alpha 1 II
AF low-light limit
-4 EV vs -3 EV — lower is better
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
RAW buffer depth
200 frames vs 14 frames — higher is better
Subject recognition
Adds Animal, Bird, Insect…
Burst (electronic)
30 fps vs 5 fps — higher is better
4K max frame rate
120 fps vs 30 fps — higher is better
ISO max (native)
32,000 vs 12,800 — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓In-body stabilization — Both support in-body stabilization
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 2
- ✓Touchscreen — Both support touchscreen
Pros & cons at a glance
Editorially curated highlights and trade-offs.
GFX100
Pros
- ✓102MP medium format sensor
- ✓Built-in vertical grip
- ✓IBIS
- ✓4K video
Cons
- –Very large body
- –Expensive
- –Older AF generation
Alpha 1 II
Pros
- ✓50MP stacked sensor
- ✓30fps blackout-free burst
- ✓8K 30p video
- ✓Best Sony AF
Cons
- –Very expensive
- –Complex menus
- –Large files
Decided which one is right for you?
Compare live prices for the GFX100 and Alpha 1 II at major authorized retailers.
Fujifilm GFX100
Sony Alpha 1 II
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, GFX100 or Alpha 1 II?
Alpha 1 II scores 9.5/10 versus 1.5/10 for GFX100 — 30fps burst captures fleeting moments.
What's the resolution difference between the GFX100 and Alpha 1 II?
GFX100 is 102 MP and Alpha 1 II is 50.1 MP, so the GFX100 captures more detail for cropping and large prints.
Do the GFX100 and Alpha 1 II have in-body image stabilization?
GFX100 has 5.5-stop in-body image stabilization, while alpha 1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the GFX100 or the Alpha 1 II?
GFX100 reaches 5 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the GFX100 and Alpha 1 II?
GFX100 weighs 1400 g and Alpha 1 II weighs 743 g, so the Alpha 1 II is 657 g lighter.
Do the GFX100 and Alpha 1 II record 4K video?
GFX100: 4K up to 30p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the GFX100 and Alpha 1 II weather sealed?
GFX100: Yes. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 800 shots (CIPA) for the GFX100 and 520 shots for the Alpha 1 II, giving the GFX100 the edge.
How much does each cost?
GFX100 launched at $9,999 and Alpha 1 II at $6,499. The Alpha 1 II is $3,500 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Fujifilm and Sony press materials.