Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Launch priceReleased Nov 2024
Sony
RX1R II
Full-frame 42MP compact with fixed 35mm f/2 Zeiss lens — still unmatched for discreet high-res street work.
$3,299
Launch priceReleased Oct 2015
Alpha 1 II is 9.1 years newer.
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Wins
Alpha 1 II
Wins
RX1R II
6 categories tied
Which would you choose?
TL;DR — Key differences
- AAlpha 1 II has higher 4K max frame rate (120 fps vs 60 fps)
- AAlpha 1 II has higher RAW buffer depth (200 frames vs 120 frames)
- AAlpha 1 II has higher Burst (electronic) (30 fps vs 20 fps)
- BRX1R II has lower Weight (507 g vs 743 g)
- AAlpha 1 II has higher ISO max (native) (32,000 vs 25,600)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
Credit card
85.6 × 54 mm
for scale
RX1R II
113 × 65 × 72 mm
507 g (1.12 lb / 17.88 oz)
Alpha 1 II is 23mm wider, 32mm taller, and 11mm thicker than RX1R II.
Alpha 1 II is 236 g heavier than RX1R II.
Depth (front-to-back): 83mm Alpha 1 II · 72mm RX1R II
Sensor size, to scale
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
RX1R II
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
Alpha 1 II
✓ more lensesSony E
350+
native lenses available
RX1R II: mount data unavailable
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
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
AA filter
Only Alpha 1 II supports it
Subject recognition
Adds Insect, Car/Train, Airplane
4K max frame rate
120 fps vs 60 fps — higher is better
Internal RAW video
Only Alpha 1 II supports it
Weather sealing
Only Alpha 1 II supports it
Card types
Adds CFexpress Type A
Reasons to choose
RX1R II
Dimensions (W×H×D mm)
Adds 113.3, 65.4, 72
Weight
507 g vs 743 g — lower is better
Subject recognition
Adds Vehicle
Battery life (CIPA)
640 shots vs 520 shots — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓AF points / zones — Both 759
- ✓AF frame coverage — Both 94 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
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
RX1R II
Pros
- ✓42MP full-frame in pocket class
- ✓Zeiss 35mm f/2 lens
- ✓Pop-up EVF
- ✓No AA filter
Cons
- –Fixed lens
- –Slow AF by modern standards
- –Premium price when new
Decided which one is right for you?
Compare live prices for the Alpha 1 II and RX1R II at major authorized retailers.
Sony Alpha 1 II
Sony RX1R II
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, Alpha 1 II or RX1R II?
Alpha 1 II scores 9.5/10 versus 6.0/10 for RX1R II — 8K recording for future-proof footage.
What's the resolution difference between the Alpha 1 II and RX1R II?
Alpha 1 II is 50.1 MP and RX1R II is 42.4 MP, so the Alpha 1 II captures more detail for cropping and large prints.
Do the Alpha 1 II and RX1R II have in-body image stabilization?
Alpha 1 II has 8.5-stop in-body image stabilization, while RX1R II has 7-stop in-body image stabilization.
Which shoots faster bursts — the Alpha 1 II or the RX1R II?
Alpha 1 II reaches 30 fps electronic. RX1R II reaches 20 fps electronic.
What's the weight difference between the Alpha 1 II and RX1R II?
Alpha 1 II weighs 743 g and RX1R II weighs 507 g, so the RX1R II is 236 g lighter.
Do the Alpha 1 II and RX1R II record 4K video?
Alpha 1 II: 8K (max), 4K up to 120p. RX1R II: 4K up to 60p.
Are the Alpha 1 II and RX1R II weather sealed?
Alpha 1 II: Yes. RX1R II: No.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the Alpha 1 II and 640 shots for the RX1R II, giving the RX1R II the edge.
How much does each cost?
Alpha 1 II launched at $6,499 and RX1R II at $3,299. The RX1R II is $3,200 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Alpha 1 II vs RX1R II vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Sony press materials.