Fujifilm
GFX100 II
102MP medium format flagship for studio, fashion, and landscape.
$7,499
Released Sep 2023
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 1.2 years newer.
Wins
GFX100 II
Wins
Alpha 1 II
1 categories tied
TL;DR — Key differences
- BAlpha 1 II has higher Burst (electronic) (30 fps vs 5.3 fps)
- AGFX100 II has higher Max video bit rate (720 Mbps vs 150 Mbps)
- BAlpha 1 II has higher ISO max (native) (32,000 vs 12,800)
- AGFX100 II has higher Resolution (102 MP vs 50.1 MP)
- BAlpha 1 II has higher 4K max frame rate (120 fps vs 60 fps)
Key specs at a glance
Size and weight, to scale
GFX100 II
152 × 117 × 99 mm
1030 g (2.27 lb / 36.33 oz)
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
GFX100 II is 16mm wider, 21mm taller, and 16mm thicker than Alpha 1 II.
GFX100 II is 287 g heavier than Alpha 1 II.
Depth (front-to-back): 99mm GFX100 II · 83mm Alpha 1 II
Sensor size, to scale
GFX100 II
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 II: 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 II
AF low-light limit
-5.5 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 152.4, 117.4, 98.6
Max video bit rate
720 Mbps vs 150 Mbps — higher is better
Card types
Adds CFexpress Type B, SSD via USB
Codecs
Adds Apple ProRes 422 HQ, Apple ProRes 422, Apple ProRes 422 LT
Resolution
102 MP vs 50.1 MP — higher is better
Subject recognition
Adds Automobile, Motorcycle/Bike, Train
RAW buffer depth
325 frames vs 200 frames — higher is better
Reasons to choose
Alpha 1 II
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Burst (electronic)
30 fps vs 5.3 fps — higher is better
ISO max (native)
32,000 vs 12,800 — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
AA filter
Only Alpha 1 II supports it
Subject recognition
Adds Human, Insect, Car/Train
Pre-Capture / Pre-Release
Only Alpha 1 II supports it
4K max frame rate
120 fps vs 60 fps — higher is better
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Internal RAW video — Both support internal raw video
- ✓In-body stabilization — Both support in-body stabilization
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 2
Pros & cons at a glance
Editorially curated highlights and trade-offs.
GFX100 II
Pros
- ✓102MP medium format
- ✓Stunning detail
- ✓Pro video
Cons
- –Very expensive
- –Large files
- –Slow operation feel
Alpha 1 II
Pros
- ✓50MP stacked sensor
- ✓30fps blackout-free burst
- ✓8K 30p video
- ✓Best Sony AF
Cons
- –Very expensive
- –Complex menus
- –Large files
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, GFX100 II or Alpha 1 II?
Alpha 1 II scores 9.5/10 versus 5.0/10 for GFX100 II — 30fps burst captures fleeting moments.
What's the resolution difference between the GFX100 II and Alpha 1 II?
GFX100 II is 102 MP and Alpha 1 II is 50.1 MP, so the GFX100 II captures more detail for cropping and large prints.
Do the GFX100 II and Alpha 1 II have in-body image stabilization?
GFX100 II has 8-stop in-body image stabilization, while alpha 1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the GFX100 II or the Alpha 1 II?
GFX100 II reaches 8 fps mechanical. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the GFX100 II and Alpha 1 II?
GFX100 II weighs 1030 g and Alpha 1 II weighs 743 g, so the Alpha 1 II is 287 g lighter.
Do the GFX100 II and Alpha 1 II record 4K video?
GFX100 II: 8K (max), 4K up to 60p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the GFX100 II and Alpha 1 II weather sealed?
GFX100 II: Yes. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 540 shots (CIPA) for the GFX100 II and 520 shots for the Alpha 1 II, giving the GFX100 II the edge.
How much does each cost?
GFX100 II launched at $7,499 and Alpha 1 II at $6,499. The Alpha 1 II is $1,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Fujifilm and Sony press materials.