Sony Cyber-shot DSC-HX400V vs Sony Cyber-shot DSC-P31

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

Better figure, where one is clearly better

Cyber-shot DSC-HX400V compared with Cyber-shot DSC-P31
SonyCyber-shot DSC-HX400VSonyCyber-shot DSC-P31
Overview
ReleasedMarch 20142002
Image and sensor
Camera typeBridgeCompact
Sensor format1/2.3-type1/2.7-type
Sensor typeBack-illuminated Exmor R CMOSSuper HAD CCD
Effective resolution20.4 MP2 MP
Largest image5184 × 38881600 × 1200
RAW recordingNoNo
Standard ISO range80–3200100–400
Sensor detail1/2.3-type progressive-scan Exmor R CMOS, approximately 21.1 million total and 20.4 million effective photosites; optical format is distinct from physical dimensions1/2.7-type primary-colour interlaced Super HAD CCD; approximately 2.10 million total and rounded 2.00 million effective photosites in exact P31 maker launch column. Shared English manual repeats the P51 label for its second 1.98-million effective entry, so that more precise assignment is not assumed for P31
Image formatsJPEG still images; no RAW. Sweep Panorama produces stitched output distinct from single-frame resolutionJPEG stills with Fine/Standard compression; GIF Clip Motion and MPEG-1 movies. No RAW or TIFF recording
ISO detailOrdinary single-frame ISO 80–3200; ISO 6400 and 12800 use multi-shot noise reduction and image compositingAuto or manually selected ISO 100, 200 or 400; no continuous ISO dial
Image processorBIONZ XClear Colour NR, Clear Luminance NR and NR Slow Shutter processing; chip identifier not published
Lens and shooting
Built-in lens24–1200 mm equivalent33 mm equivalent
Maximum aperturef/2.8–6.3f/2.8
Optical zoom50×1×
StabilisationOptical lens stabilisation–
Maximum continuous burst10 fps–
Lens detailZEISS Vario-Sonnar T*, actual 4.3–215 mm; 15 elements in 10 groups including one Super ED, two ED and three aspherical elements, seven-blade iris. Equivalent 24–1200 mm applies to full-resolution 4:3 stills; other aspect ratios and movie stabilisation modes have different crops. Clear Image Zoom and digital zoom are distinct from 50× optical zoomFixed focal length 5 mm, 33 mm equivalent, F2.8; automatic lens cover. Full-range autofocus from 0.1 m without a separate Macro mode. 3× digital enlargement is separate and does not provide optical zoom
AutofocusSingle AF, DMF and manual focus; continuous AF in Advanced Sports and movie modes. Nine-point Wide, Centre and flexible spot S/M/L with Lock-on AF. Minimum AF distance from lens front approximately 1 cm wide or 240 cm telephotoAutomatic Multi AF or centre AF with AF-assist illuminator; preset distances 0.5, 1, 3, 7 m and infinity, not continuous manual focusing
ShutterMechanical shutter; manual and shutter priority 30–1/4000 second, aperture priority 8–1/2000, Program 1–1/4000 and Intelligent Auto 4–1/4000–
Burst detailApproximately 10 fps at maximum resolution for up to ten images; flash and shooting mode affect speedMulti Burst records sixteen 320×240 subframes at intervals 1/30, 1/15 or 1/7.5 second into one composite still, not sixteen full-resolution separate frames. Maker lists approximately 1.9 seconds between maximum-size single shots; this is not continuous-burst fps
Stabilisation detailOptical SteadyShot for stills; Intelligent Active movie mode combines optical and electronic correction including rotation, with a different field of view–
FlashBuilt-in flash; Multi Interface Shoe supports compatible optional flash. ISO Auto range approximately 0.5–8.5 m wide or 2.4–3.5 m telephotoBuilt-in flash with Auto, forced, off and red-eye reduction; ISO Auto recommended distance 0.4–3.8 m
Exposure controlsProgram, aperture priority, shutter priority, Manual and memory recall; multi-pattern, centre-weighted and spot metering, ±2 EV in 1/3 EV stepsAutomatic exposure with ±2 EV in 1/3 EV steps, multi-pattern/spot metering and Twilight, Twilight Portrait or Landscape scenes; no aperture/shutter priority or manual exposure
Video
Highest video resolution1920 × 1080 at 60 fps320 × 240
Video detailAVCHD 2.0 Full HD 1920 × 1080 at 60p in Japan, 28 Mbps; regional versions also use 50p. 60i/50i interlaced modes count fields rather than progressive frames. MP4 up to 1440 × 1080 at 30 fps on the Japanese version, or 25 fps on the UK version. Optical zoom operates during movies; 4K output is for still photographs, not 4K movie recording; maker single-clip limit approximately 29 minutes, with MP4 12M limited to approximately 15 minutes by its 2 GB file limitSilent MPEG-1 HQX 320×240, Presentation 320×240 or Video Mail 160×112; maker launch claims approximately 5 minutes 40 seconds HQX or 90 minutes mail with optional 128 MB Memory Stick. Frame rate omitted because exact maker recording rate not established
AudioBuilt-in stereo microphone; AVCHD Dolby Digital stereo or MP4 AAC stereo; optional compatible microphones connect through the Multi Interface ShoeMovies record without sound; operational beep/shutter speaker is separate from audio recording
Screen and viewfinder
ViewfinderElectronicOptical
Screen size3″1.6″
Screen dots921,60061,600
TouchscreenNoNo
Tilting screenYesNo
Display detail3.0-type Xtra Fine TFT LCD, 921600 dots on Sony UK's specification (Sony Japan rounds to approximately 921000); tilts approximately 90° up and 60° downFixed 1.6-type TFT with 61600 colour-subpixel dots (280×220); launch rounds to 61000 dots
Viewfinder detail0.2-type electronic finder with approximately 201000-dot equivalent resolution, dioptre adjustment, 100% coverage and automatic eye sensorOptical zoom finder; no electronic finder
Connections and design
Wi-FiYes–
Battery life (maker's claim)300 photographs–
Body weight633 g173 g (better)
Release detailSony Hong Kong's 27 March 2014 release says the exact HX400V is already available. March precision retained; Sony Japan's earlier announcement sets its regional sale for 4 April 2014, not the worldwide first daySony Japan announced on 12 March 2002 with planned Japanese availability 20 March 2002. Contemporary PC Watch 7 August 2002 retail price survey lists P31 sold at two Tokyo stores; earliest actual worldwide first-sale month unresolved, so year precision retained. No direct successor claim established
Recording mediaMemory Stick Duo, PRO Duo, PRO-HG Duo and XC-HG Duo plus SD/SDHC/SDXC; micro versions require separate adaptersMemory Stick; 8 MB supplied, 128 MB in maker recording table. Later PRO compatibility not established
PortsMulti/Micro USB terminal with Hi-Speed USB 2.0, micro HDMI and Multi Interface ShoeUSB mini-B with normal mass-storage or PTP setting, separate NTSC/PAL VIDEO OUT minijack without audio and DC IN for optional AC-LS1
Wireless connectionsIEEE 802.11b/g/n Wi-Fi at 2.4 GHz, NFC and GPS; maker launch includes GPS route logging. Original PlayMemories Mobile sharing/remote control and downloadable Camera Apps support are launch-era features, not a promise of current service availability–
Battery life detailNP-BX1; maker CIPA approximately 300 photographs with LCD or 380 with EVF. Actual movie shooting approximately 50/55 minutes or continuous movie shooting approximately 85/95 minutes for LCD/EVF respectively; these are battery claims rather than single-clip limitsTwo supplied NH-AA-DI Ni-MH AA cells. Exact manual average-use test at 25°C: approximately 280 images/140 minutes at 1600×1200 Fine, LCD on, one shot every 30 seconds, flash every second shot, restart every 10 shots; not labelled CIPA. Separate continuous Standard/no-flash/3-second-interval test: approximately 2400 images/120 minutes LCD on or 3000/150 off. Maker permits alkaline AA only as emergency power for P31, with reduced operation
ChargingUSB charging; maker specifies USB power supply only with optional AC-UD10 adapterSupplied external BC-CS1 charger: approximately 13 hours for fully depleted supplied Ni-MH cells at 25°C. Cells removed from camera for charging; optional faster kit available. Optional AC-LS1 supplies camera power
DimensionsApproximately 129.6 × 93.2 × 114.8 mm width × height × depth from lens front to viewfinder; depth to rear monitor is 103.2 mm106×58×39.5 mm width×height×depth; manual excludes protruding portions, Japanese launch labels maximum dimensions
Weight detailApproximately 633 g body only, or 660 g including NP-BX1 and Memory Stick DuoApproximately 173 g body only in exact Sony UK specification and Japan launch table; approximately 231 g with two batteries, Memory Stick and wrist strap in manual and launch table
ColoursBlack–
In the boxNP-BX1 battery, AC-UB10C/UB10D adapter, micro USB cable, shoulder strap, shoe cap, lens cap and instructions; regional mains fittings varyTwo rechargeable AA Ni-MH batteries, BC-CS1 charger and mains lead, 8 MB Memory Stick, USB and video cables, wrist strap, software CD and operating instructions; AC-LS1 optional

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