Panasonic
Lumix G9
Original G9 stills flagship with 20MP MFT sensor, 60fps electronic burst, and excellent IBIS.
$1,699
Released Nov 2017
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 7 years newer.
Wins
Lumix G9
Wins
Alpha 1 II
3 categories tied
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TL;DR — Key differences
- BAlpha 1 II has higher AF points / zones (759 vs 225)
- BAlpha 1 II has higher RAW buffer depth (200 frames vs 60 frames)
- BAlpha 1 II has higher EVF resolution (9,437,184 vs 3,680,000)
- BAlpha 1 II has higher Resolution (50.1 MP vs 20.3 MP)
- BAlpha 1 II has lower ISO min (native) (100 vs 200)
Key specs at a glance
Size and weight, to scale
Lumix G9
137 × 97 × 92 mm
658 g (1.45 lb / 23.21 oz)
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
Lumix G9 is 1mm wider and 9mm thicker than Alpha 1 II.
Lumix G9 is 85 g lighter than Alpha 1 II.
Depth (front-to-back): 92mm Lumix G9 · 83mm Alpha 1 II
Sensor size, to scale
Lumix G9
17.3 × 13 mm · Micro Four Thirds
225 mm² area
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
3.8× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
Lumix G9
Micro Four Thirds
130+
native lenses available
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
Lumix G9
Dimensions (W×H×D mm)
Adds 136.9, 97.3, 91.6
Codecs
Adds MP4, AVCHD
Subject recognition
Adds Face, Eye
Burst (electronic)
60 fps vs 30 fps — higher is better
Burst (mechanical)
12 fps vs 10 fps — higher is better
Weight
658 g vs 743 g — lower is better
AF frame coverage
100 % vs 94 % — higher is better
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…
AF points / zones
759 vs 225 — higher is better
RAW buffer depth
200 frames vs 60 frames — higher is better
Subject recognition
Adds Bird, Insect, Car/Train…
EVF resolution
9,437,184 vs 3,680,000 — higher is better
Resolution
50.1 MP vs 20.3 MP — higher is better
AA filter
Only Alpha 1 II supports it
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓Max video bit rate — Both 150 Mbps
- ✓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.
Lumix G9
Pros
- ✓60fps electronic burst
- ✓Strong IBIS
- ✓Weather sealed
- ✓Large EVF
Cons
- –Older contrast AF
- –MFT sensor
- –Superseded by G9 II
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 Lumix G9 and Alpha 1 II at major authorized retailers.
Panasonic Lumix G9
Sony Alpha 1 II
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, Lumix G9 or Alpha 1 II?
Alpha 1 II scores 9.0/10 versus 3.5/10 for Lumix G9 — 50.1MP — massive detail for large prints.
What's the resolution difference between the Lumix G9 and Alpha 1 II?
Lumix G9 is 20.3 MP and Alpha 1 II is 50.1 MP, so the Alpha 1 II captures more detail for cropping and large prints.
Do the Lumix G9 and Alpha 1 II have in-body image stabilization?
Lumix G9 has 6.5-stop in-body image stabilization, while alpha 1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the Lumix G9 or the Alpha 1 II?
Lumix G9 reaches 60 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the Lumix G9 and Alpha 1 II?
Lumix G9 weighs 658 g and Alpha 1 II weighs 743 g, so the Lumix G9 is 85 g lighter.
Do the Lumix G9 and Alpha 1 II record 4K video?
Lumix G9: 4K up to 60p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the Lumix G9 and Alpha 1 II weather sealed?
Lumix G9: Yes. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 400 shots (CIPA) for the Lumix G9 and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.
How much does each cost?
Lumix G9 launched at $1,699 and Alpha 1 II at $6,499. The Lumix G9 is $4,800 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Panasonic and Sony press materials.