Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Released Nov 2024
Sony
Alpha 6600
APS-C with IBIS and huge NP-FZ100 battery in a compact body.
$1,399
Released Oct 2019
Alpha 1 II is 5.1 years newer.
Wins
Alpha 1 II
Wins
Alpha 6600
4 categories tied
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TL;DR — Key differences
- AAlpha 1 II has higher 4K max frame rate (120 fps vs 30 fps)
- AAlpha 1 II has higher EVF resolution (9,437,184 vs 2,359,296)
- AAlpha 1 II has higher RAW buffer depth (200 frames vs 60 frames)
- AAlpha 1 II has higher Burst (electronic) (30 fps vs 11 fps)
- AAlpha 1 II has higher Resolution (50.1 MP vs 24.2 MP)
Key specs at a glance
Size and weight, to scale
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
Alpha 6600
120 × 67 × 69 mm
503 g (1.11 lb / 17.74 oz)
Alpha 1 II is 16mm wider, 30mm taller, and 14mm thicker than Alpha 6600.
Alpha 1 II is 240 g heavier than Alpha 6600.
Depth (front-to-back): 83mm Alpha 1 II · 69mm Alpha 6600
Sensor size, to scale
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
Alpha 6600
23.5 × 15.6 mm · APS-C
367 mm² area
2.3× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
Alpha 1 II
✓ more lensesSony E
350+
native lenses available
Alpha 6600
✓ 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
Alpha 1 II
AF low-light limit
-4 EV vs -2 EV — lower is better
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Card types
Adds CFexpress Type A, SD UHS-II
4K max frame rate
120 fps vs 30 fps — higher is better
EVF resolution
9,437,184 vs 2,359,296 — higher is better
RAW buffer depth
200 frames vs 60 frames — higher is better
Subject recognition
Adds Bird, Insect, Car/Train…
Burst (electronic)
30 fps vs 11 fps — higher is better
Reasons to choose
Alpha 6600
Dimensions (W×H×D mm)
Adds 120, 66.9, 69.3
Card types
Adds SD UHS-I
Battery life (CIPA)
810 shots vs 520 shots — higher is better
Codecs
Adds AVCHD
Weight
503 g vs 743 g — lower is better
Burst (mechanical)
11 fps vs 10 fps — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓ISO max (native) — Both 32,000
- ✓AF frame coverage — Both 94 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Max video bit rate — Both 150 Mbps
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Alpha 1 II
Pros
- ✓50MP stacked sensor
- ✓30fps blackout-free burst
- ✓8K 30p video
- ✓Best Sony AF
Cons
- –Very expensive
- –Complex menus
- –Large files
Alpha 6600
Pros
- ✓IBIS in APS-C
- ✓Excellent battery
- ✓Real-time tracking AF
Cons
- –Older than A6700
- –Single slot
- –No 4K 60p
Decided which one is right for you?
Compare live prices for the Alpha 1 II and Alpha 6600 at major authorized retailers.
Sony Alpha 1 II
Sony Alpha 6600
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Alpha 1 II or Alpha 6600?
Alpha 1 II scores 9.0/10 versus 4.0/10 for Alpha 6600 — 30fps burst — pro-level action capture.
What's the resolution difference between the Alpha 1 II and Alpha 6600?
Alpha 1 II is 50.1 MP and Alpha 6600 is 24.2 MP, so the Alpha 1 II captures more detail for cropping and large prints.
Do the Alpha 1 II and Alpha 6600 have in-body image stabilization?
Alpha 1 II has 8.5-stop in-body image stabilization, while alpha 6600 has 5-stop in-body image stabilization.
Which shoots faster bursts — the Alpha 1 II or the Alpha 6600?
Alpha 1 II reaches 30 fps electronic. Alpha 6600 reaches 11 fps electronic.
What's the weight difference between the Alpha 1 II and Alpha 6600?
Alpha 1 II weighs 743 g and Alpha 6600 weighs 503 g, so the Alpha 6600 is 240 g lighter.
Do the Alpha 1 II and Alpha 6600 record 4K video?
Alpha 1 II: 8K (max), 4K up to 120p. Alpha 6600: 4K up to 30p.
Are the Alpha 1 II and Alpha 6600 weather sealed?
Alpha 1 II: Yes. Alpha 6600: Yes.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the Alpha 1 II and 810 shots for the Alpha 6600, giving the Alpha 6600 the edge.
How much does each cost?
Alpha 1 II launched at $6,499 and Alpha 6600 at $1,399. The Alpha 6600 is $5,100 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Sony press materials.