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Sony Cyber-shot DSC-H400 vs Sony Cyber-shot DSC-T20

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

Better figure, where one is clearly better

SonyCyber-shot DSC-H400SonyCyber-shot DSC-T20
Overview
Released2014March 2007
Image and sensor
Camera typeBridgeCompact
Sensor format1/2.3-type–
Sensor typeSuper HAD CCDSuper HAD CCD
Effective resolution20.1 MP8.1 MP
Largest image5152 × 38643264 × 2448
RAW recordingNoNo
Standard ISO range80–320080–3200
Sensor detail1/2.3-type CCD with 20.4 million total photosites; optical format is not a physical dimension1/2.5-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 MP
Image formatsJPEG (DCF, Exif and MPF Baseline); Sweep Panorama stitches multiple exposures separately from sensor resolutionJPEG; native 3264 × 2448, 3264 × 2176 in 3:2 mode or 1920 × 1080 in 16:9 mode
Image processor–BIONZ with 14-bit conversion and Clear RAW noise reduction before JPEG compression; no RAW file recording
Lens and shooting
Built-in lens24.5–1550 mm equivalent38–114 mm equivalent
Maximum aperturef/3.4–6.5f/3.5–4.3
Optical zoom63×3×
StabilisationOptical lens stabilisationOptical lens stabilisation
Maximum continuous burst0.71 fps–
Lens detailSony lens, actual 4.4–277 mm; 24.5–1550 mm equivalent for stills. Movie equivalents 32.1–2029 mm at 16:9 or 29.2–1849 mm at 4:3. 55 mm filter diameter; not a ZEISS lensInternal folded Carl Zeiss Vario-Tessar; actual 6.33–19.0 mm
AutofocusMulti-point, centre, spot, tracking and face-tracking autofocus; AF illuminator. Published minimum distance approximately 1 cm wide or 3.5 m telephotoNine-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 differs
ShutterIntelligent Auto 2–1/2000 second, Program 1–1/2000, Manual 30–1/2000Auto 1/4–1/1000 second; Program 1–1/1000 second, labelled Manual Mode in current UK support
Burst detailApproximately 0.71 fps at maximum still resolution, up to 100 framesMaker 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 intervals
Stabilisation detailOptical SteadyShot; optical zoom available during movie recordingSuper SteadyShot optical stabilisation; high sensitivity is a separate anti-blur option
FlashBuilt-in pop-up flash; ISO Auto range approximately 0.4–8.8 m wide or 3.5–4.6 m telephoto. Advanced Flash increases sensitivity; no external flash connectionAutomatic, 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 telephoto
Exposure controlsIntelligent Auto, Easy, Program, aperture priority, shutter priority, Manual, Sweep Panorama, scene selection and picture effects; ±2 EV in 1/3 EV steps; manual exposure offers F3.4 or F8.1 at maximum wide angle, F6.5 or F8.0 at maximum telephoto, rather than a continuous aperture rangeAuto or Program with ±2 EV in 1/3 EV steps; nine scenes; no manual aperture or shutter control
Video
Highest video resolution1280 × 720 at 30 fps640 × 480 at 30 fps
Video detailMP4 MPEG-4 AVC/H.264, 1280×720 at 30 progressive fps in Fine or Standard quality; VGA at 30 fps. No 1080p recording; Fine approximately 9 Mbps, Standard 6 Mbps, VGA 3 Mbps. General continuous recording limit approximately 29 minutes; 720p Fine approximately 15 minutes due to 2 GB file limit. HD movies require a memory cardMPEG-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 recording
AudioBuilt-in monaural microphone and speaker; exact Sony operating instructions distinguish these from incorrect stereo descriptions in some reviews–
Screen and viewfinder
ViewfinderElectronicNone
Screen size3″2.5″
Screen dots460,800230,000
TouchscreenNo–
Tilting screenNo–
Display detailFixed 3-inch TFT LCD with 460800 colour-subpixel dots and five brightness settingsHybrid Clear Photo LCD Plus TFT; 230,000 rounded dots in maker specifications, 230,400 in manual; no viewfinder
Viewfinder detail0.2-type electronic viewfinder with approximately 201600 equivalent dots, 100% coverage and dioptre adjustment; manual screen/viewfinder switching–
Connections and design
Bluetooth–No
Wi-FiNo–
Battery life (maker's claim)300 photographs380 photographs
Body weight628 g127 g
Release detailSony announced planned March 2014 US and April 2014 UK availability; April reviews describe the sold camera. Earliest worldwide actual first-sale month remains unresolved, so year precision retainedOriginal Hong Kong maker announcement specifies end of March 2007; Japanese maker first sale is 6 April 2007 and original US maker availability is April 2007
Recording mediaApproximately 55 MB internal memory; Memory Stick Duo/PRO Duo/PRO-HG Duo/XC-HG Duo, Memory Stick Micro, SD/SDHC/SDXC and microSD/microSDHC/microSDXC, using appropriate adaptersApproximately 31 MB internal memory; Memory Stick Duo or Memory Stick PRO Duo
PortsUSB / A/V OUT jack for USB 2.0 and standard-definition analogue video/audio output; no HDMIMulti-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 input
Battery life detailNP-BX1 lithium-ion battery, nominal 3.6 V, 1240 mAh / 4.5 Wh. CIPA approximately 300 stills/150 minutes using LCD or 320 stills/160 minutes using viewfinder. Typical movie shooting approximately 60/75 minutes LCD/viewfinder; continuous movies approximately 120/135 minutesNP-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 figures
ChargingIn-camera USB charging with supplied AC-UB10C adapter or a computer; camera switched off. Approximately 230 minutes for a full charge using supplied adapter; supplied adapter supports playback power but not shooting power. Shooting mains power requires separately sold AC-UD10 or region-dependent AC-UD11Supplied BC-CSG, BC-CSGB or BC-CSGC external charger according to region; AC adaptor cannot charge the camera battery
Dimensions129.6×95.0×122.3 mm width×height×depth (CIPA)89.7 × 55.7 × 22.8 mm (width × height × depth, excluding projections)
Weight detailApproximately 628 g body only; approximately 655 g with NP-BX1 battery and Memory Stick PRO Duo under CIPA conditionsApproximately 127 g excluding battery and media; 159 g including battery, wrist strap and shooting accessories
MaterialsSony states the camera is not dust-proof, splash-proof or waterproofFull-metal aluminium body in original Hong Kong maker specification table
ColoursBlackSilver, black, white or pink; colour editions share this entry
In the boxNP-BX1 battery, AC-UB10C adapter, dedicated USB cable, shoulder strap, lens cap and instructions; mains lead supplied outside USA, Canada and ChinaNP-BG1 battery and case, external charger, multi-connector USB/AV cable, wrist strap, software and instructions; mains lead except USA and Canada

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