Panasonic
Lumix S1 II
24MP partially stacked full-frame hybrid with high frame rate video, fast burst shooting, and 15-stop V-Log.
$3,199
Launch priceReleased May 2025
Panasonic
Lumix ZS99
Pocket travel zoom with 20.3MP 1/2.3-inch sensor, 30x 24–720mm Leica lens, 4K30 video, 5-axis O.I.S., tilting touchscreen, and USB-C — successor to ZS80 without EVF.
$500
Launch priceReleased Feb 2025
Lumix S1 II is 3 months newer.
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Wins
Lumix S1 II
Wins
Lumix ZS99
2 categories tied
Which would you choose?
TL;DR — Key differences
- ALumix S1 II has higher IBIS effectiveness (8 stops vs 0 stops)
- ALumix S1 II has higher RAW buffer depth (200 frames vs 10 frames)
- ALumix S1 II has higher Max video bit rate (1900 Mbps vs 100 Mbps)
- ALumix S1 II has higher AF points / zones (779 vs 49)
- ALumix S1 II has higher ISO max (native) (51,200 vs 6,400)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Lumix S1 II
134 × 102 × 92 mm
800 g (1.76 lb / 28.22 oz)
Credit card
85.6 × 54 mm
for scale
Lumix ZS99
112 × 68 × 43 mm
322 g (0.71 lb / 11.36 oz)
Lumix S1 II is 22mm wider, 35mm taller, and 49mm thicker than Lumix ZS99.
Lumix S1 II is 478 g heavier than Lumix ZS99.
Depth (front-to-back): 92mm Lumix S1 II · 43mm Lumix ZS99
Back view, to scale
Width × Height — same proportions as the front of the body.
Lumix S1 II
134 × 102 mm
Credit card
85.6 × 54 mm
Lumix ZS99
112 × 68 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Lumix S1 II
134 × 92 mm
Credit card
85.6 × 54 mm
Lumix ZS99
112 × 43 mm
Sensor size, to scale
Lumix S1 II
35.6 × 23.8 mm · Full Frame
847 mm² area
Lumix ZS99
6.17 × 4.55 mm · Compact
28 mm² area
30.3× larger sensor area = shallower depth of field and better low-light performance.
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 S1 II
AF low-light limit
-6 EV vs -3 EV — lower is better
IBIS effectiveness
8 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 134.3, 102.3, 91.8
Card types
Adds CFexpress Type B, SD UHS-II
RAW buffer depth
200 frames vs 10 frames — higher is better
Max video bit rate
1900 Mbps vs 100 Mbps — higher is better
AF points / zones
779 vs 49 — higher is better
ISO max (native)
51,200 vs 6,400 — higher is better
Reasons to choose
Lumix ZS99
Dimensions (W×H×D mm)
Adds 112, 67.8, 43.1
Card types
Adds SD UHS-I
Weight
322 g vs 800 g — lower is better
ISO min (native)
80 vs 100 — lower is better
Battery life (CIPA)
380 shots vs 350 shots — higher is better
Both cameras share
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (mechanical) — Both 10 fps
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Lumix S1 II
Pros
- ✓Partially stacked full-frame sensor
- ✓6K open-gate video
- ✓4K 120p
- ✓Fast Phase Hybrid AF
Cons
- –Premium hybrid body
- –24MP stills resolution
- –Large L-mount lenses
Lumix ZS99
Pros
- ✓30x 24–720mm Leica zoom in pocket body
- ✓4K video + 4K Photo at 30fps
- ✓5-axis HYBRID O.I.S.+
- ✓1.84M-dot tilting touchscreen
- ✓USB-C charging + Wi-Fi/Bluetooth 5.0
Cons
- –No built-in EVF (vs ZS80)
- –Small 1/2.3-inch sensor
- –Slow variable aperture (f/3.3–6.4)
- –Limited low-light performance
Decided which one is right for you?
Compare live prices for the Lumix S1 II and Lumix ZS99 at major authorized retailers.
Panasonic Lumix S1 II
Panasonic Lumix ZS99
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, Lumix S1 II or Lumix ZS99?
Lumix S1 II scores 7.0/10 versus 0.0/10 for Lumix ZS99 — Full-frame sensor — wider dynamic range.
What's the resolution difference between the Lumix S1 II and Lumix ZS99?
Lumix S1 II is 24.1 MP and Lumix ZS99 is 20.3 MP, so the Lumix S1 II captures more detail for cropping and large prints.
Do the Lumix S1 II and Lumix ZS99 have in-body image stabilization?
Lumix S1 II has 8-stop in-body image stabilization, while Lumix ZS99 does not have IBIS.
Which shoots faster bursts — the Lumix S1 II or the Lumix ZS99?
Lumix S1 II reaches 70 fps electronic. Lumix ZS99 reaches 30 fps electronic.
What's the weight difference between the Lumix S1 II and Lumix ZS99?
Lumix S1 II weighs 800 g and Lumix ZS99 weighs 322 g, so the Lumix ZS99 is 478 g lighter.
Do the Lumix S1 II and Lumix ZS99 record 4K video?
Lumix S1 II: 6K Open Gate (max), 4K up to 120p. Lumix ZS99: 4K up to 30p.
Are the Lumix S1 II and Lumix ZS99 weather sealed?
Lumix S1 II: Yes. Lumix ZS99: No.
Which has better battery life?
Rated battery life is 350 shots (CIPA) for the Lumix S1 II and 380 shots for the Lumix ZS99, giving the Lumix ZS99 the edge.
How much does each cost?
Lumix S1 II launched at $3,199 and Lumix ZS99 at $500. The Lumix ZS99 is $2,699 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Lumix S1 II vs Lumix ZS99 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Panasonic press materials.