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Panasonic LUMIX S1IIvsRicoh GR IV

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MOST WINS
Panasonic
Panasonic LUMIX S1II
14of 21 specs better
Check eBay pricestypically $3,199.99 View on eBay · $2,799.00
Ricoh
Ricoh GR IV
7of 21 specs better
Check eBay pricestypically $1,899.00
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Biggest differences

Weight
Ricoh GR IV leads
3.05×
lower is better
- Panasonic LUMIX S1II800 g
- Ricoh GR IV262 g
Launch price
Ricoh GR IV leads
2.13×
lower is better
- Panasonic LUMIX S1II3,199 USD
- Ricoh GR IV1,499 USD
Native ISO maximum
Ricoh GR IV leads
4×
higher is better
- Panasonic LUMIX S1II51,200 ISO
- Ricoh GR IV204,800 ISO
Memory card slots
Panasonic LUMIX S1II leads
2×
higher is better
- Panasonic LUMIX S1II2 slots
- Ricoh GR IV1 slots

Features not all of them have

Headphone port

Panasonic LUMIX S1II✓
Ricoh GR IV✕

Where each one wins

Panasonic LUMIX S1II
- Sensor format
- In-body image stabilization
- Sensor type
- Continuous shooting (mechanical)
- Max mechanical shutter speed
- Max video resolution
- Raw video recording
- Viewfinder resolution
- Screen articulation
- Rear screen resolution
- Battery life
- Memory card slots
- Headphone port
- HDMI port type
Ricoh GR IV
- Launch price
- Effective pixels
- Native ISO maximum
- Weight
- Width
- Height
- Depth

What both have

Screen size3 in
USB charging & power delivery✓

Every spec

Red marks the better value in each row.

Show differences only

Spec	Panasonic LUMIX S1II	Ricoh GR IV
Overview Report a problem Overview specs What is the problem? Something is wrongOut of dateHard to understandSomething else Which specs? Tick all that apply, or none if you are not sure. Release dateLaunch priceLens mountHigh resolution pixel-shift mode Which products? Tick all that apply, or none if you are not sure. Panasonic LUMIX S1IIRicoh GR IV Details (optional)
Release date	2025-05	Not published
Launch price	3,199 USD	1,499 USD¹
Lens mount	L-Mount	Fixed lens
High resolution pixel-shift mode	Yes²	Not published
Sensor & Image Report a problem Sensor & Image specs What is the problem? Something is wrongOut of dateHard to understandSomething else Which specs? Tick all that apply, or none if you are not sure. Effective pixelsSensor formatNative ISO maximumIn-body image stabilizationSensor readout speedSensor typeAspect ratios Which products? Tick all that apply, or none if you are not sure. Panasonic LUMIX S1IIRicoh GR IV Details (optional)
Effective pixels	24.1 MP	25.74 MP
Sensor format	Full-frame	APS-C
Native ISO maximum	51,200 ISO	204,800 ISO
In-body image stabilization	8 stops	6 stops³
Sensor readout speed	14.6 ms⁴	Not published
Sensor type	Partially-stacked CMOS	CMOS⁵
Aspect ratios	3:2, 4:3, 1:1, 16:9, 2:1, 65:24	3:2, 4:3, 1:1, 16:9⁶
Lens & Autofocus Report a problem Lens & Autofocus specs What is the problem? Something is wrongOut of dateHard to understandSomething else Which specs? Tick all that apply, or none if you are not sure. Continuous shooting (mechanical)Continuous shooting (electronic)Max mechanical shutter speedPre-burst capture durationAF subject detection Which products? Tick all that apply, or none if you are not sure. Panasonic LUMIX S1IIRicoh GR IV Details (optional)
Continuous shooting (mechanical)	10 fps	4 fps⁷
Continuous shooting (electronic)	70 fps	Not published
Max mechanical shutter speed	8,000 1/s	4,000 1/s⁸
Pre-burst capture duration	1.5 s	Not published
AF subject detection	Human, animal, car, train, airplane, motorcycle	Human⁹
Video Report a problem Video specs What is the problem? Something is wrongOut of dateHard to understandSomething else Which specs? Tick all that apply, or none if you are not sure. Max video resolution4K max frame rateVideo codecs4K max frame rate (full width)Raw video recordingVideo bit depthLog profile supportVideo dynamic range (log) Which products? Tick all that apply, or none if you are not sure. Panasonic LUMIX S1IIRicoh GR IV Details (optional)
Max video resolution	6K	1080p
4K max frame rate	120 fps¹⁰	Not published
Video codecs	H.264, HEVC, ProRes 422, ProRes RAW	H.264
4K max frame rate (full width)	60 fps¹¹	Not published
Raw video recording	Internal	None
Video bit depth	10 bit	Not published
Log profile support	Yes	Not published
Video dynamic range (log)	15 stops	Not published
Viewfinder & Screen Report a problem Viewfinder & Screen specs What is the problem? Something is wrongOut of dateHard to understandSomething else Which specs? Tick all that apply, or none if you are not sure. Viewfinder resolutionViewfinder magnificationScreen sizeScreen articulationRear screen resolution Which products? Tick all that apply, or none if you are not sure. Panasonic LUMIX S1IIRicoh GR IV Details (optional)
Viewfinder resolution	5.76 M dots	0 M dots
Viewfinder magnification	0.78 x	Not published
Screen size	3 in	3 in
Screen articulation	Fully articulated	Fixed
Rear screen resolution	1.84 M dots	1.037 M dots
Handling & Power Report a problem Handling & Power specs What is the problem? Something is wrongOut of dateHard to understandSomething else Which specs? Tick all that apply, or none if you are not sure. Battery lifeMemory card slotsWeather sealingWeightWidthHeightDepthUSB charging & power deliveryMinimum operating temperatureHeadphone portHDMI port type Which products? Tick all that apply, or none if you are not sure. Panasonic LUMIX S1IIRicoh GR IV Details (optional)
Battery life	360 shots	250 shots¹²
Memory card slots	2 slots	1 slots¹³
Weather sealing	Dust and drip resistant	Not published
Weight	800 g	262 g
Width	134 mm	109.4 mm
Height	102 mm	61.1 mm
Depth	92 mm	32.7 mm
USB charging & power delivery	Yes	Yes¹⁴
Minimum operating temperature	-10 °C	Not published
Headphone port	Yes	No
HDMI port type	Full-size	None¹⁵

Notes on 15 values — test conditions and caveats

¹Ricoh GR IV, Launch price: Launch MSRP per the review; Ricoh's US store currently lists $1,599.95.
²Panasonic LUMIX S1II, High resolution pixel-shift mode: The full 96MP composite needs a tripod; handheld shooting caps at 48MP.
³Ricoh GR IV, In-body image stabilization: Ricoh's 6.0-stop rating applies at frame centre; periphery is rated 4.0 stops (CIPA 2024).
⁴Panasonic LUMIX S1II, Sensor readout speed: Measured by DPReview using the electronic shutter in 14-bit stills mode.
⁵Ricoh GR IV, Sensor type: The sensor is a back-illuminated (BSI) CMOS type; mapped to 'cmos' as no BSI option is listed.
⁶Ricoh GR IV, Aspect ratios: 3:2 is native to the 23.3 x 15.5 mm sensor; 4:3, 1:1 and 16:9 are in-camera crop modes.
⁷Ricoh GR IV, Continuous shooting (mechanical): The review cites 4 fps continuous without specifying shutter type.
⁸Ricoh GR IV, Max mechanical shutter speed: 1/4000 s requires F5.6 or a smaller aperture; at F2.8 the limit is 1/2500 s.
⁹Ricoh GR IV, AF subject detection: Only face/eye detection is offered; no animal or vehicle subject recognition is listed.
¹⁰Panasonic LUMIX S1II, 4K max frame rate: Maximum 120 fps in 4K requires recording in MOV format at a 24.00Hz system frequency.
¹¹Panasonic LUMIX S1II, 4K max frame rate (full width): 4K at 120fps requires an approximate 1.24x sensor crop; 60fps is the fastest at full sensor width.
¹²Ricoh GR IV, Battery life: CIPA-rated at 23°C with a fully charged DB-120 battery.
¹³Ricoh GR IV, Memory card slots: Single microSD slot, plus 53 GB internal memory that cannot record to both at once.
¹⁴Ricoh GR IV, USB charging & power delivery: Battery charges and camera draws power in-body over USB-C; fast charging needs a USB-PD adapter.
¹⁵Ricoh GR IV, HDMI port type: Video output is DisplayPort over USB-C; there is no HDMI connector.

Where to buy

Typical eBay price by condition
Typical eBay price	Panasonic LUMIX S1II	Ricoh GR IV
New	$3,428.00	$1,899.00
Refurbished	—	$2,191.00
Used	$3,000.00	$1,706.49

Median of current eBay listings per condition, refreshed hourly.

Panasonic LUMIX S1IIvsRicoh GR IV

Biggest differences

Features not all of them have

Where each one wins

What both have

Every spec

Overview

Sensor & Image

Lens & Autofocus

Video

Viewfinder & Screen

Handling & Power

Where to buy