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Sony Cyber-shot DSC-RX100 II vs Sony Cyber-shot DSC-RX100 IV

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

SonyCyber-shot DSC-RX100 IISonyCyber-shot DSC-RX100 IV
Overview
ReleasedJuly 2013July 2015
Image and sensor
Camera typeCompactCompact
Sensor format1.0-type1.0-type
Sensor typeExmor R back-illuminated CMOSExmor RS stacked CMOS with DRAM
Sensor dimensions13.2 × 8.8 mm13.2 × 8.8 mm
Effective resolution20.2 MP20.1 MP
Largest image5472 × 36485472 × 3648
RAW recordingYesYes
Standard ISO range160–12800125–12800
Sensor detail1.0-type optical format; physical dimensions 13.2 × 8.8 mm1.0-type optical format; physical dimensions 13.2 × 8.8 mm; stacked circuitry and attached DRAM memory
Image formatsJPEG and RAW (Sony ARW 2.3); AVCHD 2.0 and MP4 moviesJPEG and RAW (Sony ARW 2.3); XAVC S, AVCHD 2.0 and MP4 movies
ISO detailStandard single-frame ISO 160–12800; extended ISO 100/125; multi-frame noise reduction reaches ISO 25600Standard single-frame ISO 125–12800; extended ISO 80/100; multi-frame noise reduction reaches ISO 25600
Image processorBIONZBIONZ X
Lens and shooting
Built-in lens28–100 mm equivalent24–70 mm equivalent
Maximum aperturef/1.8–4.9f/1.8–2.8
Optical zoom3.6×2.9×
StabilisationOptical lens stabilisationOptical lens stabilisation
Maximum continuous burst10 fps16 fps
Lens detailCarl Zeiss Vario-Sonnar T*; actual 10.4–37.1 mm; quoted equivalent range applies to 3:2 still photographs; seven elements in six groupsZEISS Vario-Sonnar T*; actual 8.8–25.7 mm; equivalent range applies to 3:2 stills; built-in three-stop ND filter
AutofocusSingle-shot AF, continuous AF, direct manual focus and manual focus; tracking focus and face trackingContrast-detection AF; single-shot AF, continuous AF, direct manual focus and manual focus; Lock-on AF and Eye AF
ShutterManual and shutter-priority modes permit 30 seconds to 1/2000 second; other modes have different limitsMechanical shutter permits Bulb and 30 seconds to 1/2000 second in manual mode; electronic shutter reaches 1/32000 second
Burst detailSpeed Priority Continuous reaches approximately 10 fps with focus and exposure fixed at the first frame (Photography Blog). Normal continuous shooting is approximately 2.5 fps with AF-S (Sony).Speed Priority Continuous reaches approximately 16 fps with focus and exposure fixed at the first frame. Normal continuous shooting reaches approximately 5.5 fps.
Stabilisation detailOptical still-image stabilisation; movie Active mode combines optical and electronic correctionOptical still-image stabilisation; movie Intelligent Active mode adds electronic correction
Flash–Manually raised built-in flash; no accessory shoe
Exposure controlsProgram, aperture priority, shutter priority and manual exposure; assignable lens control ring, step zoom and memory recall–
Video
Highest video resolution1920 × 1080 at 50 fps3840 × 2160 at 25 fps
Video detailPAL AVCHD up to 1920 × 1080 at 50p, including 25p; NTSC up to 60p, including 24p. MP4 up to 1440 × 1080 at 25p PAL or 30p NTSC.PAL 4K up to 3840 × 2160 at 25p; NTSC up to 30p or 24p, at 60 or 100 Mbps; 4K clips limited to approximately five minutes. Full HD supports 100p PAL or 120p NTSC. Separate HFR captures at 250/500/1000 fps PAL or 240/480/960 fps NTSC for approximately two or four seconds, then encodes Full HD slow motion; these are lower-resolution sensor readouts, not native Full HD at 1000 fps.
Audio–Built-in stereo microphone; LPCM, Dolby Digital or AAC audio depending on movie format; HFR recording has no audio
Screen and viewfinder
ViewfinderNoneElectronic
Screen size3″3″
Screen dots1,228,8001,228,800
TouchscreenNoNo
Tilting screenYesYes
Display detailWhiteMagic TFT LCD tilts approximately 84° upwards and 45° downwards; screen dots are subpixels, not image pixels; no touchscreen (TechRadar)LCD tilts approximately 180° upwards and 45° downwards; no touchscreen (Photography Blog and Expert Reviews)
Viewfinder detailNo built-in viewfinder; optional electronic viewfinder attaches to the Multi Interface ShoeRetractable 0.39-type OLED with approximately 2.35 million dots, 100% coverage and approximately 0.59× equivalent magnification
Connections and design
Wi-FiYesYes
Battery life (maker's claim)350 photographs280 photographs
Body weight254 g271 g
Release detailSony Japan specifies 5 July 2013 retail availability; Hong Kong's release specifies the end of JulySony specifies July 2015 US retail availability and 31 July 2015 in Japan. The month is retained because the US notice supplies no day. Sony's Japanese announcement expands the RX range rather than retiring earlier models.
Recording mediaSD, SDHC, SDXC and Memory Stick variants; micro cards require an adaptorSD, SDHC, SDXC and Memory Stick variants; 100 Mbps XAVC S requires UHS-I U3 SDXC
PortsMulti/Micro USB with USB 2.0, Micro HDMI and Multi Interface ShoeMulti/Micro USB with USB 2.0; Micro HDMI
Wireless connectionsWi-Fi and NFC One-touch remote and sharingWi-Fi 802.11b/g/n at 2.4 GHz; NFC One-touch connection
Battery life detailNP-BX1; maker claim up to 350 photographs under CIPA conditionsNP-BX1; CIPA maker claim approximately 280 photographs using LCD or 230 using viewfinder
Charging–USB charging; USB power supply during shooting and playback
DimensionsApproximately 101.6 × 58.1 × 38.3 mm (width × height × depth)Approximately 101.6 × 58.1 × 41 mm (width × height × depth)
Weight detailApproximately 254 g body only; 281 g with battery and Memory Stick Duo. Photography Blog's loaded-weight description conflicts with the maker's figures.Approximately 271 g body only; 298 g with battery and media
MaterialsAluminium body–
ColoursBlackBlack

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