Panasonic
Lumix GX9
Compact rangefinder-style Micro Four Thirds camera with 20MP sensor, tilting EVF, IBIS, and 4K video.
$999
Launch priceReleased Feb 2018
Sony
Alpha 7R VI
66.8MP stacked full-frame high-resolution body with 30fps bursts, 8K 30p, 4K 120p, and Sony's AI processing unit.
$4,499
Launch priceReleased Jun 2026
Alpha 7R VI is 8.3 years newer.
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Wins
Lumix GX9
Wins
Alpha 7R VI
Which would you choose?
TL;DR — Key differences
- BAlpha 7R VI has higher AF points / zones (759 vs 49)
- BAlpha 7R VI has higher Max video bit rate (600 Mbps vs 100 Mbps)
- BAlpha 7R VI has higher RAW buffer depth (150 frames vs 30 frames)
- BAlpha 7R VI has higher 4K max frame rate (120 fps vs 30 fps)
- BAlpha 7R VI has higher EVF resolution (9,437,184 vs 2,760,000)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareLumix GX9
124 × 72 × 47 mm
450 g (0.99 lb / 15.87 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
Lumix GX9 is 9mm narrower, 25mm shorter, and 36mm thinner than Alpha 7R VI.
Lumix GX9 is 263 g lighter than Alpha 7R VI.
Depth (front-to-back): 47mm Lumix GX9 · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
Lumix GX9
124 × 72 mm
Credit card
85.6 × 54 mm
Alpha 7R VI
133 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Lumix GX9
124 × 47 mm
Credit card
85.6 × 54 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
Lumix GX9
17.3 × 13 mm · Micro Four Thirds
225 mm² area
Alpha 7R VI
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 GX9
Micro Four Thirds
130+
native lenses available
Alpha 7R VI
✓ 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 GX9
Dimensions (W×H×D mm)
Adds 124, 72.1, 46.8
Card types
Adds SD UHS-I
Codecs
Adds MP4, AVCHD
Weight
450 g vs 713 g — lower is better
Subject recognition
Adds Face
Reasons to choose
Alpha 7R VI
AF low-light limit
-6 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 132.7, 96.9, 82.9
Card types
Adds CFexpress Type A, SDXC UHS-II
AF points / zones
759 vs 49 — higher is better
Max video bit rate
600 Mbps vs 100 Mbps — higher is better
RAW buffer depth
150 frames vs 30 frames — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
4K max frame rate
120 fps vs 30 fps — higher is better
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Lumix GX9
Pros
- ✓Compact rangefinder body
- ✓20MP MFT sensor
- ✓Tilting EVF
- ✓IBIS
Cons
- –No weather sealing
- –Single card slot
- –Small grip
Alpha 7R VI
Pros
- ✓66.8MP stacked full-frame sensor
- ✓30fps blackout-free electronic burst
- ✓8K 30p and 4K 120p video
- ✓5-axis sensor-shift stabilization
- ✓9.44M-dot HDR OLED EVF
Cons
- –Very expensive
- –Large files demand fast cards and storage
- –8K workflow can be heavy
Decided which one is right for you?
Compare live prices for the Lumix GX9 and Alpha 7R VI at major authorized retailers.
Panasonic Lumix GX9
Sony Alpha 7R VI
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, Lumix GX9 or Alpha 7R VI?
Alpha 7R VI scores 7.5/10 versus 1.0/10 for Lumix GX9 — 66.8MP — massive detail for large prints.
What's the resolution difference between the Lumix GX9 and Alpha 7R VI?
Lumix GX9 is 20.3 MP and Alpha 7R VI is 66.8 MP, so the Alpha 7R VI captures more detail for cropping and large prints.
Do the Lumix GX9 and Alpha 7R VI have in-body image stabilization?
Lumix GX9 has 4-stop in-body image stabilization, while Alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the Lumix GX9 or the Alpha 7R VI?
Lumix GX9 reaches 9 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the Lumix GX9 and Alpha 7R VI?
Lumix GX9 weighs 450 g and Alpha 7R VI weighs 713 g, so the Lumix GX9 is 263 g lighter.
Do the Lumix GX9 and Alpha 7R VI record 4K video?
Lumix GX9: 4K up to 30p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the Lumix GX9 and Alpha 7R VI weather sealed?
Lumix GX9: No. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 260 shots (CIPA) for the Lumix GX9 and 600 shots for the Alpha 7R VI, giving the Alpha 7R VI the edge.
How much does each cost?
Lumix GX9 launched at $999 and Alpha 7R VI at $4,499. The Lumix GX9 is $3,500 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Lumix GX9 vs Alpha 7R VI vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Panasonic and Sony press materials.