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Sony Cyber-shot DSC-T20 vs Sony Cyber-shot DSC-W150

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

Better figure, where one is clearly better

SonyCyber-shot DSC-T20SonyCyber-shot DSC-W150
Overview
ReleasedMarch 2007April 2008
Image and sensor
Camera typeCompactCompact
Sensor typeSuper HAD CCDSuper HAD CCD
Effective resolution8.1 MP8.1 MP
Largest image3264 × 24483264 × 2448
RAW recordingNoNo
Standard ISO range80–320080–3200
Sensor detail1/2.5-type primary-colour interlaced Super HAD CCD; original maker specifies 8.1 million effective and 8.3 million total pixels; manual gives 8,083,000 effective and 8,286,000 total, while current UK support rounds effective pixels to 8.0 MP1/2.5-type primary-colour Super HAD CCD, approximately 8.1 million effective and 8.3 million total photosites; optical format is not physical sensor dimensions
Image formatsJPEG; native 3264 × 2448, 3264 × 2176 in 3:2 mode or 1920 × 1080 in 16:9 modeJPEG, 3264 × 2448 maximum; 3:2 and 16:9 sizes also available
ISO detail–Auto or ISO80–3200
Image processorBIONZ with 14-bit conversion and Clear RAW noise reduction before JPEG compression; no RAW file recordingBIONZ with standard and Plus D-range optimisation and Clear RAW NR; photographs are recorded as JPEG rather than RAW
Lens and shooting
Built-in lens38–114 mm equivalent30–150 mm equivalent
Maximum aperturef/3.5–4.3f/3.3–5.2
Optical zoom3×5×
StabilisationOptical lens stabilisationOptical lens stabilisation
Maximum continuous burst–1.6 fps
Lens detailInternal folded Carl Zeiss Vario-Tessar; actual 6.33–19.0 mmCarl Zeiss Vario-Tessar, actual 5–25 mm, equivalent to 30–150 mm; nine elements in seven groups including one ED and three aspherical elements
AutofocusNine-point multi-area, centre or spot AF, with single or monitoring operation and face detection; original maker normal from 0.5 m, macro from 0.08 m wide or 0.25 m telephoto, Magnifying Glass mode 0.01–0.2 m; current UK generic macro row differsNine-area Multipoint, centre or spot AF with illuminator; semi-manual distance presets 0.5/1/3/7 m or infinity. Normal focus from approximately 10 cm wide or 50 cm telephoto; face detection with child/adult priority and Smile Shutter
ShutterAuto 1/4–1/1000 second; Program 1–1/1000 second, labelled Manual Mode in current UK supportAuto approximately 1/4–1/1600 second; Program approximately 1–1/1600 second
Burst detailMaker up to 100 consecutive images with flash off; handbook gives approximately 0.5-second intervals, longer depending on image size; current UK support gives 0.46 second; no headline fps inferred from these intervalsSony US datasheet specifies 1.6 fps for up to 100 photographs at all resolutions. ePhoto measured about 2 fps for more than ten frames before slowing to about 1 fps; card and shooting conditions affect the sequence
Stabilisation detailSuper SteadyShot optical stabilisation; high sensitivity is a separate anti-blur optionOptical Super SteadyShot with Shooting or Continuous modes
FlashAutomatic, forced, off or slow-sync flash with red-eye reduction; ISO Auto range 0.1–3.0 m wide or 0.25–2.5 m telephotoBuilt-in flash with Auto, forced, off, slow-sync and red-eye reduction; manual ISO Auto range approximately 0.2–4.2 m wide or 0.5–2.7 m telephoto
Exposure controlsAuto or Program with ±2 EV in 1/3 EV steps; nine scenes; no manual aperture or shutter controlAuto, Easy, Program and scene selections; iSCN recognises five scene types, with Advanced mode taking a second photograph when a different setting is selected; ±2 EV compensation
Video
Highest video resolution640 × 480 at 30 fps640 × 480 at 30 fps
Video detailMPEG-1 with mono sound and optical zoom during recording; VGA Fine approximately 30 fps requires Memory Stick PRO Duo, VGA Standard approximately 17 fps or 320 × 240 approximately 8 fps; HD output is for still photographs, not HD movie recordingMPEG Movie VX Fine 640 × 480 at approximately 30 fps requires Memory Stick PRO Duo; Standard is listed as 16 fps in the US datasheet, Presentation 320 × 240 at 8 fps. Manual limits continuous movies to approximately ten minutes; no HD movie recording or playback
Audio–MPEG1 mono movie sound; built-in mono microphone and speaker
Screen and viewfinder
ViewfinderNoneOptical
Screen size2.5″2.7″
Screen dots230,000230,400
Touchscreen–No
Tilting screen–No
Display detailHybrid Clear Photo LCD Plus TFT; 230,000 rounded dots in maker specifications, 230,400 in manual; no viewfinderFixed 2.7-type TFT LCD, 230400 dots in the manual versus rounded 230K in the datasheet; optical zoom viewfinder
Connections and design
BluetoothNo–
Battery life (maker's claim)380 photographs400 photographs
Body weight127 g142 g
Release detailOriginal Hong Kong maker announcement specifies end of March 2007; Japanese maker first sale is 6 April 2007 and original US maker availability is April 2007Sony US announcement specifies April 2008 store availability; Sony Hong Kong planned May. First international retail month retained because the day is unconfirmed
Recording mediaApproximately 31 MB internal memory; Memory Stick Duo or Memory Stick PRO DuoApproximately 15 MB internal memory; Memory Stick Duo and PRO Duo. No SD card slot
PortsMulti-connector for USB 2.0 Hi-Speed and mono AV output; optional component HD output adaptor cable or cradle for still photographs; supplied cable does not provide DC inputMulti-use connector for USB 2.0 Hi-Speed and mono AV output; HD component still-photo output requires optional cable or HD Cyber-shot Station cradle, rather than an HDMI socket
Battery life detailNP-BG1 lithium-ion battery; maker CIPA claim 380 photographs or 190 minutes with LCD on; manual pack capacity 3.4 Wh / 960 mAh; original US launch prose assigns 340 shots to T20 and 380 to T100, conflicting with UK, Hong Kong and manual T20 figuresSupplied NP-BG1, 3.4 Wh/960 mAh; optional NP-FG1 compatible. Manual CIPA claim approximately 400 photographs/200 minutes with LCD on or 480/240 minutes off at 25°C, Normal recording, Single AF, Shooting stabilisation, alternating zoom ends, one shot every 30 seconds, flash every second shot and power cycle every ten
ChargingSupplied BC-CSG, BC-CSGB or BC-CSGC external charger according to region; AC adaptor cannot charge the camera batteryExternal BC-CSGB/BC-CSGC charger: approximately 330 minutes full charge or 270 minutes normal charge at 25°C; optional AC-LS5K adapter supported
Dimensions89.7 × 55.7 × 22.8 mm (width × height × depth, excluding projections)93.7 × 58 × 24 mm (width × height × depth), excluding protrusions
Weight detailApproximately 127 g excluding battery and media; 159 g including battery, wrist strap and shooting accessories142 g camera in Sony US datasheet; approximately 175 g including NP-BG1, strap and supplied accessories in the operating instructions
MaterialsFull-metal aluminium body in original Hong Kong maker specification table–
ColoursSilver, black, white or pink; colour editions share this entryChampagne gold, red, black or silver in the US announcement; finishes share this model
In the boxNP-BG1 battery and case, external charger, multi-connector USB/AV cable, wrist strap, software and instructions; mains lead except USA and CanadaNP-BG1, external battery charger, multi-use USB/AV cable, wrist strap, software/handbook CD-ROM and instructions; memory card not supplied

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