Compare · 4 of 4 products
Panasonic LUMIX S1IIvsSony a1 IIvsSony a7 IVvsRicoh GR IV
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- ×
Panasonic14of 29 specs better - MOST WINS×
Sony15of 29 specs better - ×
Sony7of 29 specs better - ×
Ricoh6of 29 specs better
Biggest differences
Continuous shooting (electronic)
Panasonic LUMIX S1II leads
7×
higher is better
- Panasonic LUMIX S1II70 fps
- Sony a1 II30 fps
- Sony a7 IV10 fps
- Ricoh GR IVNot published
Launch price
Ricoh GR IV leads
4.34×
lower is better
- Panasonic LUMIX S1II3,199 USD
- Sony a1 II6,499.99 USD
- Sony a7 IV2,499.99 USD
- Ricoh GR IV1,499 USD
Weight
Ricoh GR IV leads
3.05×
lower is better
- Panasonic LUMIX S1II800 g
- Sony a1 II743 g
- Sony a7 IV658 g
- Ricoh GR IV262 g
Battery life
Sony a7 IV leads
2.32×
higher is better
- Panasonic LUMIX S1II360 shots
- Sony a1 II520 shots
- Sony a7 IV580 shots
- Ricoh GR IV250 shots
Features not all of them have
High resolution pixel-shift mode
- ✓
- ✓
- ✕
- ?
Headphone port
- ✓
- ✓
- ✓
- ✕
Where each one wins
Panasonic LUMIX S1II
- High resolution pixel-shift mode
- Sensor format
- Sensor type
- Continuous shooting (mechanical)
- Continuous shooting (electronic)
- Max mechanical shutter speed
- Pre-burst capture duration
- 4K max frame rate
- 4K max frame rate (full width)
- Raw video recording
- Memory card slots
- Minimum operating temperature
- Headphone port
- HDMI port type
Sony a1 II
- High resolution pixel-shift mode
- Effective pixels
- Sensor format
- In-body image stabilization
- Continuous shooting (mechanical)
- Max mechanical shutter speed
- Max video resolution
- Viewfinder resolution
- Viewfinder magnification
- Screen size
- Screen articulation
- Rear screen resolution
- Memory card slots
- Headphone port
- HDMI port type
Sony a7 IV
- Sensor format
- Continuous shooting (mechanical)
- Max mechanical shutter speed
- Battery life
- Memory card slots
- Headphone port
- HDMI port type
Ricoh GR IV
- Launch price
- Native ISO maximum
- Weight
- Width
- Height
- Depth
What all 4 have
- USB charging & power delivery✓
Every spec
Red marks the better value in each row.
Overview
Sensor & Image
Effective pixels
- 24.1 MP
- 50.1 MP
- 33 MP
- 25.74 MP
Sensor format
- Full-frame
- Full-frame
- Full-frame
- APS-C
Native ISO maximum
- 51,200 ISO
- 32,000 ISO
- 51,200 ISO5
- 204,800 ISO
Sensor readout speed
- 14.6 ms9
- Not published
- Not published
- Not published
Sensor type
- Partially-stacked CMOS
- —
- CMOS
- CMOS10
Aspect ratios
- 3:2, 4:3, 1:1, 16:9, 2:1, 65:24
- 3:2
- 3:2
- 3:2, 4:3, 1:1, 16:911
Lens & Autofocus
Continuous shooting (electronic)
- 70 fps
- 30 fps
- 10 fps
- Not published
Max mechanical shutter speed
- 8,000 1/s
- 8,000 1/s
- 8,000 1/s
- 4,000 1/s14
Pre-burst capture duration
- 1.5 s
- 1 s15
- Not published
- Not published
AF subject detection
- Human, animal, car, train, airplane, motorcycle
- Human, animal, bird, insect, car, train, airplane
- Human, animal, bird
- Human16
Video
Max video resolution
- 6K
- 8K
- 4K
- 1080p
Video codecs
- H.264, HEVC, ProRes 422, ProRes RAW
- H.264, HEVC
- H.264, HEVC
- H.264
Video bit depth
- 10 bit
- 10 bit
- 10 bit
- Not published
Log profile support
- Yes
- Yes
- Yes
- Not published
Video dynamic range (log)
- 15 stops
- Not published
- 15 stops25
- Not published
Viewfinder & Screen
Handling & Power
Notes on 38 values — test conditions and caveats
- 1Sony a1 II, Release date: Announced 19 November 2024; first retail availability was December 2024.
- 2Ricoh GR IV, Launch price: Launch MSRP per the review; Ricoh's US store currently lists $1,599.95.
- 3Panasonic LUMIX S1II, High resolution pixel-shift mode: The full 96MP composite needs a tripod; handheld shooting caps at 48MP.
- 4Sony a1 II, High resolution pixel-shift mode: 4- or 16-shot pixel shift composites are merged with Sony's Imaging Edge Desktop PC software.
- 5Sony a7 IV, Native ISO maximum: Native range tops out at ISO 51200; 50-204800 requires expanded ISO settings.
- 6Sony a1 II, In-body image stabilization: 8.5 stops is the CIPA centre rating; 7.0 stops at the periphery.
- 7Sony a7 IV, In-body image stabilization: CIPA rating measured with the 50mm F1.4 ZA test lens attached.
- 8Ricoh GR IV, In-body image stabilization: Ricoh's 6.0-stop rating applies at frame centre; periphery is rated 4.0 stops (CIPA 2024).
- 9Panasonic LUMIX S1II, Sensor readout speed: Measured by DPReview using the electronic shutter in 14-bit stills mode.
- 10Ricoh GR IV, Sensor type: The sensor is a back-illuminated (BSI) CMOS type; mapped to 'cmos' as no BSI option is listed.
- 11Ricoh 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.
- 12Sony a7 IV, Continuous shooting (mechanical): 10 fps applies to compressed RAW/JPEG/HEIF; drops to 6 fps for lossless or uncompressed RAW.
- 13Ricoh GR IV, Continuous shooting (mechanical): The review cites 4 fps continuous without specifying shutter type.
- 14Ricoh 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.
- 15Sony a1 II, Pre-burst capture duration: Pre-capture buffers between 0.03 s and 1 s of frames before full shutter press.
- 16Ricoh GR IV, AF subject detection: Only face/eye detection is offered; no animal or vehicle subject recognition is listed.
- 17Panasonic LUMIX S1II, 4K max frame rate: Maximum 120 fps in 4K requires recording in MOV format at a 24.00Hz system frequency.
- 18Sony a1 II, 4K max frame rate: 4K 100p/120p recording uses a 1.1x crop.
- 19Sony a7 IV, 4K max frame rate: 4K 60p is only available in Super35mm crop; full-frame 4K tops out at 30p.
- 20Panasonic 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.
- 21Sony a1 II, 4K max frame rate (full width): Full-width 4K tops out at 59.94p; 4K 100/120p requires a 1.1x crop.
- 22Sony a7 IV, 4K max frame rate (full width): 4K 60p requires the Super35mm crop; full-width 4K is limited to 30p.
- 23Sony a1 II, Raw video recording: 16-bit RAW video can only be output over HDMI to an external recorder; no internal RAW recording.
- 24Sony a7 IV, Raw video recording: No internal or external raw recording; HDMI output tops out at 10-bit 4:2:2.
- 25Sony a7 IV, Video dynamic range (log): Sony's claim for S-Log3 per internal tests; stated as 15+ stops.
- 26Sony a7 IV, Screen size: Sony rates the panel at 2.95in (3.0-type); most sources round to 3in.
- 27Sony a7 IV, Rear screen resolution: 1,036,800 dots; Sony's retail pages round this to 1.03 megadots.
- 28Sony a1 II, Battery life: CIPA rating is 520 shots per charge on the rear LCD; 420 shots with the viewfinder.
- 29Sony a7 IV, Battery life: 580 shots per charge with the rear LCD; 520 with the EVF.
- 30Ricoh GR IV, Battery life: CIPA-rated at 23°C with a fully charged DB-120 battery.
- 31Ricoh GR IV, Memory card slots: Single microSD slot, plus 53 GB internal memory that cannot record to both at once.
- 32Sony a1 II, Weather sealing: Sony specifies dust- and moisture-resistant sealing; no formal IP rating is published.
- 33Sony a7 IV, Weather sealing: Dust and moisture resistant but not IP-rated; Sony does not guarantee 100% sealing.
- 34Sony a1 II, Depth: Sony also lists 72.8 mm depth measured from grip to monitor, excluding the grip protrusion.
- 35Sony a7 IV, Depth: Sony lists 79.8mm total depth; 69.7mm is measured from front grip to rear monitor.
- 36Sony a7 IV, USB charging & power delivery: Charging and USB power delivery work only through the USB Type-C port.
- 37Ricoh GR IV, USB charging & power delivery: Battery charges and camera draws power in-body over USB-C; fast charging needs a USB-PD adapter.
- 38Ricoh GR IV, HDMI port type: Video output is DisplayPort over USB-C; there is no HDMI connector.
Where to buy
Panasonic LUMIX S1II
Sony a1 II
Sony a7 IV
Ricoh GR IV











