Panasonic
Lumix ZS100
Pocket travel zoom with 1-inch sensor, 10x Leica lens, EVF, and 4K video.
$699
Launch priceReleased Jan 2016
Ricoh
GR IV
Latest GR with 25.74MP APS-C sensor, 28mm equivalent lens, 5-axis SR, 53GB internal memory, and pocket street-camera handling.
$1,499
Launch priceReleased Jan 2026
GR IV is 10 years newer.
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Wins
Lumix ZS100
Wins
GR IV
3 categories tied
Which would you choose?
TL;DR — Key differences
- BGR IV has higher ISO max (native) (204,800 vs 12,800)
- ALumix ZS100 has higher Burst (electronic) (50 fps vs 4 fps)
- ALumix ZS100 has higher Burst (mechanical) (10 fps vs 4 fps)
- BGR IV has higher 4K max frame rate (60 fps vs 30 fps)
- BGR IV has higher Resolution (25.74 MP vs 20.1 MP)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareLumix ZS100
111 × 65 × 44 mm
312 g (0.69 lb / 11.01 oz)
Credit card
85.6 × 54 mm
for scale
GR IV
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
Lumix ZS100 is 1mm wider, 3mm taller, and 12mm thicker than GR IV.
Lumix ZS100 is 50 g heavier than GR IV.
Depth (front-to-back): 44mm Lumix ZS100 · 33mm GR IV
Back view, to scale
Width × Height — same proportions as the front of the body.
Lumix ZS100
111 × 65 mm
Credit card
85.6 × 54 mm
GR IV
109 × 61 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Lumix ZS100
111 × 44 mm
Credit card
85.6 × 54 mm
GR IV
109 × 33 mm
Sensor size, to scale
Lumix ZS100
13.2 × 8.8 mm · 1-inch
116 mm² area
GR IV
23.3 × 15.5 mm · APS-C
361 mm² area
3.1× 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 ZS100
Codecs
Adds H.264, MP4, AVCHD
Dimensions (W×H×D mm)
Adds 110.5, 64.5, 44.3
Card types
Adds SD UHS-I
Burst (electronic)
50 fps vs 4 fps — higher is better
Burst (mechanical)
10 fps vs 4 fps — higher is better
Animal / bird AF
Only Lumix ZS100 supports it
Subject recognition
Adds Human, Animal
Battery life (CIPA)
300 shots vs 250 shots — higher is better
Reasons to choose
GR IV
Codecs
Adds MPEG-4 AVC/H.264, MOV
Dimensions (W×H×D mm)
Adds 109.4, 61.1, 32.7
Card types
Adds microSD, microSDHC, microSDXC UHS-I
ISO max (native)
204,800 vs 12,800 — higher is better
4K max frame rate
60 fps vs 30 fps — higher is better
In-body stabilization (IBIS)
Only GR IV supports it
Bluetooth
Only GR IV supports it
Resolution
25.74 MP vs 20.1 MP — higher is better
Both cameras share
- ✓AF points / zones — Both 49
- ✓Eye AF — Both support eye af
- ✓1080p max frame rate — Both 60 fps
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Lumix ZS100
Pros
- ✓1-inch sensor
- ✓10x travel zoom
- ✓Built-in EVF
- ✓Pocketable
Cons
- –Slower telephoto aperture
- –Small controls
- –Older screen
GR IV
Pros
- ✓25.74MP APS-C sensor
- ✓5-axis sensor-shift SR
- ✓53GB internal memory
- ✓Pocketable 28mm GR lens
Cons
- –Fixed lens
- –No built-in EVF
- –Full HD video only
Decided which one is right for you?
Compare live prices for the Lumix ZS100 and GR IV at major authorized retailers.
Panasonic Lumix ZS100
Ricoh GR IV
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, Lumix ZS100 or GR IV?
GR IV scores 6.5/10 versus 3.0/10 for Lumix ZS100 — 25.74MP — solid resolution.
What's the resolution difference between the Lumix ZS100 and GR IV?
Lumix ZS100 is 20.1 MP and GR IV is 25.74 MP, so the GR IV captures more detail for cropping and large prints.
Do the Lumix ZS100 and GR IV have in-body image stabilization?
Lumix ZS100 does not have IBIS, while GR IV has in-body image stabilization.
Which shoots faster bursts — the Lumix ZS100 or the GR IV?
Lumix ZS100 reaches 50 fps electronic. GR IV reaches 4 fps electronic.
What's the weight difference between the Lumix ZS100 and GR IV?
Lumix ZS100 weighs 312 g and GR IV weighs 262 g, so the GR IV is 50 g lighter.
Do the Lumix ZS100 and GR IV record 4K video?
Lumix ZS100: 4K up to 30p. GR IV: 4K up to 60p.
Are the Lumix ZS100 and GR IV weather sealed?
Lumix ZS100: No. GR IV: No.
Which has better battery life?
Rated battery life is 300 shots (CIPA) for the Lumix ZS100 and 250 shots for the GR IV, giving the Lumix ZS100 the edge.
How much does each cost?
Lumix ZS100 launched at $699 and GR IV at $1,499. The Lumix ZS100 is $800 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Lumix ZS100 vs GR IV vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Panasonic and Ricoh press materials.