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 7S II
12MP low-light video pioneer before the A7S III revolution.
$2,999
Released Sep 2015
Alpha 1 II is 9.2 years newer.
Wins
Alpha 1 II
Wins
Alpha 7S II
3 categories tied
TL;DR — Key differences
- AAlpha 1 II has higher Burst (electronic) (30 fps vs 5 fps)
- AAlpha 1 II has higher AF points / zones (759 vs 169)
- AAlpha 1 II has higher Resolution (50.1 MP vs 12.2 MP)
- 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)
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 7S II
127 × 96 × 60 mm
627 g (1.38 lb / 22.12 oz)
Alpha 1 II is 9mm wider, 1mm taller, and 23mm thicker than Alpha 7S II.
Alpha 1 II is 116 g heavier than Alpha 7S II.
Depth (front-to-back): 83mm Alpha 1 II · 60mm Alpha 7S II
Sensor size, to scale
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
Alpha 7S II
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Native lens selection
Alpha 1 II
✓ more lensesSony E
350+
native lenses available
Alpha 7S 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
Alpha 1 II
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Card types
Adds CFexpress Type A, SD UHS-II
Subject recognition
Adds Animal, Bird, Insect…
Burst (electronic)
30 fps vs 5 fps — higher is better
AF points / zones
759 vs 169 — higher is better
Resolution
50.1 MP vs 12.2 MP — higher is better
4K max frame rate
120 fps vs 30 fps — higher is better
EVF resolution
9,437,184 vs 2,359,296 — higher is better
Reasons to choose
Alpha 7S II
Dimensions (W×H×D mm)
Adds 126.9, 95.7, 60.3
Card types
Adds SD UHS-I
ISO max (native)
102,400 vs 32,000 — higher is better
Codecs
Adds AVCHD, MP4
Max video bit rate
200 Mbps vs 150 Mbps — higher is better
Weight
627 g vs 743 g — lower is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓AF frame coverage — Both 94 %
- ✓Eye AF — Both support eye af
- ✓In-body stabilization — Both support in-body stabilization
- ✓Weather sealing — Both support weather sealing
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 7S II
Pros
- ✓Legendary low light
- ✓4K internal
- ✓Compact files
Cons
- –12MP stills limit
- –Old AF
- –8-bit 4K
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Alpha 1 II or Alpha 7S II?
Alpha 1 II scores 9.0/10 versus 1.5/10 for Alpha 7S II — 30fps burst — pro-level action capture.
What's the resolution difference between the Alpha 1 II and Alpha 7S II?
Alpha 1 II is 50.1 MP and Alpha 7S II is 12.2 MP, so the Alpha 1 II captures more detail for cropping and large prints.
Do the Alpha 1 II and Alpha 7S II have in-body image stabilization?
Alpha 1 II has 8.5-stop in-body image stabilization, while alpha 7S II has 4.5-stop in-body image stabilization.
Which shoots faster bursts — the Alpha 1 II or the Alpha 7S II?
Alpha 1 II reaches 30 fps electronic. Alpha 7S II reaches 5 fps electronic.
What's the weight difference between the Alpha 1 II and Alpha 7S II?
Alpha 1 II weighs 743 g and Alpha 7S II weighs 627 g, so the Alpha 7S II is 116 g lighter.
Do the Alpha 1 II and Alpha 7S II record 4K video?
Alpha 1 II: 8K (max), 4K up to 120p. Alpha 7S II: 4K up to 30p.
Are the Alpha 1 II and Alpha 7S II weather sealed?
Alpha 1 II: Yes. Alpha 7S II: Yes.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the Alpha 1 II and 310 shots for the Alpha 7S II, giving the Alpha 1 II the edge.
How much does each cost?
Alpha 1 II launched at $6,499 and Alpha 7S II at $2,999. The Alpha 7S II is $3,500 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Sony press materials.