Panasonic
Lumix G9 II
MFT hybrid with 8-stop IBIS and 75fps stills for wildlife on a budget.
$1,899
Released Sep 2023
Sony
Alpha 7 IV
33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.
$2,499
Released Oct 2021
Lumix G9 II is 1.9 years newer.
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Wins
Lumix G9 II
Wins
Alpha 7 IV
5 categories tied
TL;DR — Key differences
- ALumix G9 II has higher Burst (electronic) (75 fps vs 10 fps)
- BAlpha 7 IV has higher RAW buffer depth (828 frames vs 200 frames)
- BAlpha 7 IV has higher ISO max (native) (51,200 vs 25,600)
- ALumix G9 II has higher 4K max frame rate (120 fps vs 60 fps)
- BAlpha 7 IV has higher Battery life (CIPA) (580 shots vs 390 shots)
Key specs at a glance
Size and weight, to scale
Lumix G9 II
134 × 102 × 90 mm
658 g (1.45 lb / 23.21 oz)
Alpha 7 IV
131 × 96 × 80 mm
658 g (1.45 lb / 23.21 oz)
Lumix G9 II is 3mm wider, 6mm taller, and 10mm thicker than Alpha 7 IV.
Lumix G9 II and Alpha 7 IV weigh the same.
Depth (front-to-back): 90mm Lumix G9 II · 80mm Alpha 7 IV
Sensor size, to scale
Lumix G9 II
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 G9 II
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 G9 II
Dimensions (W×H×D mm)
Adds 134.3, 102.3, 90.1
Burst (electronic)
75 fps vs 10 fps — higher is better
Subject recognition
Adds Face, Eye, Car…
Pre-Capture / Pre-Release
Only Lumix G9 II supports it
4K max frame rate
120 fps vs 60 fps — higher is better
Codecs
Adds Apple ProRes 422 HQ
IBIS effectiveness
8 stops vs 5.5 stops — higher is better
Burst (mechanical)
14 fps vs 10 fps — higher is better
Reasons to choose
Alpha 7 IV
Dimensions (W×H×D mm)
Adds 131.3, 96.4, 79.8
RAW buffer depth
828 frames vs 200 frames — higher is better
Subject recognition
Adds Bird, Insect, Car/Train…
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
AA filter
Only Alpha 7 IV supports it
ISO max (native)
51,200 vs 25,600 — higher is better
Card types
Adds CFexpress Type A
Battery life (CIPA)
580 shots vs 390 shots — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Internal RAW video — Both support internal raw video
- ✓In-body stabilization — Both support in-body stabilization
- ✓Weight — Both 658 g
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Lumix G9 II
Pros
- ✓75fps stills mode
- ✓8-stop IBIS
- ✓Compact tele reach
Cons
- –MFT sensor
- –Smaller ecosystem
- –Video not GH-level
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 G9 II and Alpha 7 IV at major authorized retailers.
Panasonic Lumix G9 II
Sony Alpha 7 IV
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, Lumix G9 II or Alpha 7 IV?
Alpha 7 IV scores 9.0/10 versus 6.0/10 for Lumix G9 II — 33MP — ample resolution for portraits.
What's the resolution difference between the Lumix G9 II and Alpha 7 IV?
Lumix G9 II is 25.2 MP and Alpha 7 IV is 33 MP, so the Alpha 7 IV captures more detail for cropping and large prints.
Do the Lumix G9 II and Alpha 7 IV have in-body image stabilization?
Lumix G9 II has 8-stop in-body image stabilization, while alpha 7 IV has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the Lumix G9 II or the Alpha 7 IV?
Lumix G9 II reaches 75 fps electronic. Alpha 7 IV reaches 10 fps electronic.
What's the weight difference between the Lumix G9 II and Alpha 7 IV?
Both bodies weigh roughly 658 g.
Do the Lumix G9 II and Alpha 7 IV record 4K video?
Lumix G9 II: 5.8K Open Gate (max), 4K up to 120p. Alpha 7 IV: 4K up to 60p.
Are the Lumix G9 II and Alpha 7 IV weather sealed?
Lumix G9 II: Yes. Alpha 7 IV: Yes.
Which has better battery life?
Rated battery life is 390 shots (CIPA) for the Lumix G9 II and 580 shots for the Alpha 7 IV, giving the Alpha 7 IV the edge.
How much does each cost?
Lumix G9 II launched at $1,899 and Alpha 7 IV at $2,499. The Lumix G9 II is $600 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Panasonic and Sony press materials.