Compare · 3 of 4 products
Sony a1 IIvsCanon EOS R100vsRicoh GR IV
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Biggest differences
Launch price
Ricoh GR IV leads
4.34×
lower is better
- Sony a1 II6,499.99 USD
- Canon EOS R100Not published
- Ricoh GR IV1,499 USD
Weight
Ricoh GR IV leads
2.84×
lower is better
- Sony a1 II743 g
- Canon EOS R100356 g
- Ricoh GR IV262 g
Native ISO maximum
Ricoh GR IV leads
16×
higher is better
- Sony a1 II32,000 ISO
- Canon EOS R10012,800 ISO
- Ricoh GR IV204,800 ISO
4K max frame rate
Sony a1 II leads
4.8×
higher is better
- Sony a1 II119.88 fps
- Canon EOS R10025 fps
- Ricoh GR IVNot published
Features not all of them have
Log profile supportonly Sony a1 II
- ✓
- ✕
- ?
USB charging & power delivery
- ✓
- ✕
- ✓
Headphone portonly Sony a1 II
- ✓
- ✕
- ✕
Where each one wins
Sony a1 II
- Effective pixels
- Sensor format
- In-body image stabilization
- Continuous shooting (mechanical)
- Continuous shooting (electronic)
- Max mechanical shutter speed
- Max video resolution
- 4K max frame rate
- 4K max frame rate (full width)
- Raw video recording
- Video bit depth
- Log profile support
- Viewfinder resolution
- Viewfinder magnification
- Screen size
- Screen articulation
- Rear screen resolution
- Battery life
- Memory card slots
- Weather sealing
- USB charging & power delivery
- Headphone port
- HDMI port type
Canon EOS R100
No outright wins on the specs we can rank.
Ricoh GR IV
- Launch price
- Native ISO maximum
- Weight
- Width
- Height
- Depth
- USB charging & power delivery
Every spec
Red marks the better value in each row.
Overview
Sensor & Image
Lens & Autofocus
Continuous shooting (mechanical)
- 10 fps
- 6.5 fps
- 4 fps10
Continuous shooting (electronic)
- 30 fps
- 0 fps11
- Not published
Max mechanical shutter speed
- 8,000 1/s
- 4,000 1/s
- 4,000 1/s12
Pre-burst capture duration
- 1 s13
- Not published
- Not published
AF subject detection
- Human, animal, bird, insect, car, train, airplane
- Human
- Human14
Video
Viewfinder & Screen
Viewfinder resolution
- 9.44 M dots
- 2.36 M dots
- 0 M dots
Viewfinder magnification
- 0.9 x
- 0.59 x19
- Not published
Screen size
- 3.2 in
- 3 in
- 3 in
Screen articulation
- Multi-angle
- Fixed
- Fixed
Rear screen resolution
- 2.1 M dots
- 1.04 M dots
- 1.037 M dots
Handling & Power
Memory card slots
- 2 slots
- 1 slots
- 1 slots22
Weather sealing
- Dust and drip resistant23
- None
- Not published
Weight
- 743 g
- 356 g24
- 262 g
Width
- 136.1 mm
- 116.3 mm
- 109.4 mm
Height
- 96.9 mm
- 85.5 mm
- 61.1 mm
Depth
- 82.9 mm25
- 68.8 mm
- 32.7 mm
Minimum operating temperature
- 0 °C
- 0 °C
- Not published
Headphone port
- Yes
- No
- No
HDMI port type
- Full-size
- Micro
- None28
Notes on 28 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.
- 3Sony a1 II, High resolution pixel-shift mode: 4- or 16-shot pixel shift composites are merged with Sony's Imaging Edge Desktop PC software.
- 4Canon EOS R100, Native ISO maximum: ISO 25600 (H) is an expanded setting, not a native sensitivity.
- 5Sony a1 II, In-body image stabilization: 8.5 stops is the CIPA centre rating; 7.0 stops at the periphery.
- 6Canon EOS R100, In-body image stabilization: No in-body stabilization; shake correction relies on IS lenses or Movie Digital IS.
- 7Ricoh GR IV, In-body image stabilization: Ricoh's 6.0-stop rating applies at frame centre; periphery is rated 4.0 stops (CIPA 2024).
- 8Ricoh GR IV, Sensor type: The sensor is a back-illuminated (BSI) CMOS type; mapped to 'cmos' as no BSI option is listed.
- 9Ricoh 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.
- 10Ricoh GR IV, Continuous shooting (mechanical): The review cites 4 fps continuous without specifying shutter type.
- 11Canon EOS R100, Continuous shooting (electronic): The electronic (silent) shutter does not support continuous shooting on this camera.
- 12Ricoh 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.
- 13Sony a1 II, Pre-burst capture duration: Pre-capture buffers between 0.03 s and 1 s of frames before full shutter press.
- 14Ricoh GR IV, AF subject detection: Only face/eye detection is offered; no animal or vehicle subject recognition is listed.
- 15Sony a1 II, 4K max frame rate: 4K 100p/120p recording uses a 1.1x crop.
- 16Sony a1 II, 4K max frame rate (full width): Full-width 4K tops out at 59.94p; 4K 100/120p requires a 1.1x crop.
- 17Canon EOS R100, 4K max frame rate (full width): All 4K recording uses a ~1.6x centre crop, so no full-width 4K mode exists.
- 18Sony a1 II, Raw video recording: 16-bit RAW video can only be output over HDMI to an external recorder; no internal RAW recording.
- 19Canon EOS R100, Viewfinder magnification: Canon's 0.95x is quoted with a 50mm lens on APS-C; in 35mm-equivalent terms it is 0.59x.
- 20Sony a1 II, Battery life: CIPA rating is 520 shots per charge on the rear LCD; 420 shots with the viewfinder.
- 21Ricoh GR IV, Battery life: CIPA-rated at 23°C with a fully charged DB-120 battery.
- 22Ricoh GR IV, Memory card slots: Single microSD slot, plus 53 GB internal memory that cannot record to both at once.
- 23Sony a1 II, Weather sealing: Sony specifies dust- and moisture-resistant sealing; no formal IP rating is published.
- 24Canon EOS R100, Weight: CIPA weight: body with battery and memory card, without lens.
- 25Sony a1 II, Depth: Sony also lists 72.8 mm depth measured from grip to monitor, excluding the grip protrusion.
- 26Canon EOS R100, USB charging & power delivery: The battery must be charged in the external LC-E17E charger; no USB power delivery.
- 27Ricoh GR IV, USB charging & power delivery: Battery charges and camera draws power in-body over USB-C; fast charging needs a USB-PD adapter.
- 28Ricoh GR IV, HDMI port type: Video output is DisplayPort over USB-C; there is no HDMI connector.
Where to buy
Sony a1 II
Canon EOS R100
Ricoh GR IV








