Panasonic
Lumix GX85
Compact MFT rangefinder body with 16MP sensor, 5-axis stabilization, and 4K Photo features.
$799
Launch priceReleased Apr 2016
Sony
Alpha 7 IV
33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.
$2,499
Launch priceReleased Oct 2021
Alpha 7 IV is 5.6 years newer.
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Wins
Lumix GX85
Wins
Alpha 7 IV
2 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 7 IV has higher RAW buffer depth (828 frames vs 13 frames)
- BAlpha 7 IV has higher AF points / zones (759 vs 49)
- BAlpha 7 IV has higher Max video bit rate (600 Mbps vs 100 Mbps)
- BAlpha 7 IV has higher Resolution (33 MP vs 16 MP)
- BAlpha 7 IV has lower ISO min (native) (100 vs 200)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareLumix GX85
122 × 71 × 44 mm
426 g (0.94 lb / 15.03 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 7 IV
131 × 96 × 80 mm
658 g (1.45 lb / 23.21 oz)
Lumix GX85 is 9mm narrower, 26mm shorter, and 36mm thinner than Alpha 7 IV.
Lumix GX85 is 232 g lighter than Alpha 7 IV.
Depth (front-to-back): 44mm Lumix GX85 · 80mm Alpha 7 IV
Back view, to scale
Width × Height — same proportions as the front of the body.
Lumix GX85
122 × 71 mm
Credit card
85.6 × 54 mm
Alpha 7 IV
131 × 96 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Lumix GX85
122 × 44 mm
Credit card
85.6 × 54 mm
Alpha 7 IV
131 × 80 mm
Sensor size, to scale
Lumix GX85
17.3 × 13 mm · Micro Four Thirds
225 mm² area
Alpha 7 IV
35.9 × 23.9 mm · Full Frame
858 mm² area
3.8× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
Lumix GX85
Micro Four Thirds
130+
native lenses available
Alpha 7 IV
✓ 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 GX85
Dimensions (W×H×D mm)
Adds 122, 70.6, 43.9
Card types
Adds SD UHS-I
Codecs
Adds MP4, AVCHD
Subject recognition
Adds Face, Eye
Weight
426 g vs 658 g — lower is better
AF frame coverage
100 % vs 94 % — higher is better
Reasons to choose
Alpha 7 IV
Dimensions (W×H×D mm)
Adds 131.3, 96.4, 79.8
Card types
Adds CFexpress Type A, SD UHS-II
RAW buffer depth
828 frames vs 13 frames — higher is better
AF points / zones
759 vs 49 — higher is better
Max video bit rate
600 Mbps vs 100 Mbps — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Subject recognition
Adds Bird, Insect, Car/Train…
Resolution
33 MP vs 16 MP — higher is better
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (electronic) — Both 10 fps
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Lumix GX85
Pros
- ✓Compact body
- ✓IBIS
- ✓4K video
- ✓Great used value
Cons
- –16MP sensor
- –No weather sealing
- –Older AF
Alpha 7 IV
Pros
- ✓33MP — more detail for cropping and print
- ✓10-bit 4K 60p (Super35 crop) / 4K 30p full-frame
- ✓Full-size HDMI port
- ✓759 phase-detect AF points
Cons
- –4K 60p requires Super35 crop
- –10fps burst lags behind R6 II at 40fps
- –Complex menu system
Decided which one is right for you?
Compare live prices for the Lumix GX85 and Alpha 7 IV at major authorized retailers.
Panasonic Lumix GX85
Sony Alpha 7 IV
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, Lumix GX85 or Alpha 7 IV?
Alpha 7 IV scores 7.5/10 versus 1.0/10 for Lumix GX85 — 33MP — ample resolution.
What's the resolution difference between the Lumix GX85 and Alpha 7 IV?
Lumix GX85 is 16 MP and Alpha 7 IV is 33 MP, so the Alpha 7 IV captures more detail for cropping and large prints.
Do the Lumix GX85 and Alpha 7 IV have in-body image stabilization?
Lumix GX85 has 4-stop in-body image stabilization, while Alpha 7 IV has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the Lumix GX85 or the Alpha 7 IV?
Lumix GX85 reaches 10 fps electronic. Alpha 7 IV reaches 10 fps electronic.
What's the weight difference between the Lumix GX85 and Alpha 7 IV?
Lumix GX85 weighs 426 g and Alpha 7 IV weighs 658 g, so the Lumix GX85 is 232 g lighter.
Do the Lumix GX85 and Alpha 7 IV record 4K video?
Lumix GX85: 4K up to 30p. Alpha 7 IV: 4K up to 60p.
Are the Lumix GX85 and Alpha 7 IV weather sealed?
Lumix GX85: No. Alpha 7 IV: Yes.
Which has better battery life?
Rated battery life is 290 shots (CIPA) for the Lumix GX85 and 580 shots for the Alpha 7 IV, giving the Alpha 7 IV the edge.
How much does each cost?
Lumix GX85 launched at $799 and Alpha 7 IV at $2,499. The Lumix GX85 is $1,700 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Lumix GX85 vs Alpha 7 IV 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.