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Product comparison · 2 data projectors

NEC P451W Standard throw projector 4000 ANSI lumens 3LCD WXGA (1280x800) White vs Ricoh PJ X4240N

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  • 49specifications compared
  • 27differ
  • 22identical
  • 48known for one product only

Key differences

  • Projector brightness
    • 4000 ANSI lumens
    • 3000 ANSI lumens
  • Projection technology
    • 3LCD
    • DLP
  • Projector native resolution
    • WXGA (1280x800)
    • XGA (1024x768)
  • Contrast ratio (typical)
    • 4000:1
    • 5000:1
  • Native aspect ratio
    • 16:10
    • 4:3
  • Supported aspect ratios
    • 16:10, 16:9
    • 4:3
  • Screen size compatibility
    • 635 - 7620 mm (25 - 300")
    • 1270 - 3048 mm (50 - 120")
  • Projection distance
    • 0.69 - 14.6 m
    • 0.59 - 1.49 m

Side by side

Differences highlightedShow differences only
97 specifications
A

NEC

P451W Standard throw projector 4000 ANSI lumens 3LCD WXGA (1280x800) White

Model P451W

View product
B

Ricoh

PJ X4240NView product
Projector9 differ
Projector brightnessDiffers4000 ANSI lumens3000 ANSI lumens
Projection technologyDiffers3LCDDLP
Projector native resolutionDiffersWXGA (1280x800)XGA (1024x768)
Contrast ratio (typical)Differs4000:15000:1
Native aspect ratioDiffers16:104:3
Supported aspect ratiosDiffers16:10, 16:94:3
Screen size compatibilityDiffers635 - 7620 mm (25 - 300")1270 - 3048 mm (50 - 120")
Projection distanceDiffers0.69 - 14.6 m0.59 - 1.49 m
Horizontal scan range15 - 100 kHz15 - 100 kHz
Vertical scan rangeDiffers50 - 120 Hz23 - 85 Hz
Keystone correction, horizontalKnown for one-30 - 30°
Keystone correction, verticalKnown for one-30 - 30°
Number of coloursKnown for one1.073 billion colours
Matrix sizeKnown for one1.4 cm (0.55")
Light source2 differ
Light source typeLampLamp
Service life of light source3500 h3500 h
Service life of light source (economic mode)Differs6000 h5000 h
Lamp powerDiffers270 W250 W
Lamp power (economic mode)Known for one160 W
Lamps quantityKnown for one1 lamp(s)
Lens systemidentical
FocusManualManual
Focal length rangeKnown for one17.4 - 29 mm
Aperture range (F-F)Known for one1.7 - 2.1
Zoom capabilityKnown for oneYes
Zoom typeKnown for oneManual
Zoom ratioKnown for one1.7:1
Throw ratioKnown for one1.38 - 2.24:1
Video1 differ
Analog signal format systemDiffersNTSC, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAMNTSC, NTSC 4.43, PAL, PAL 60, PAL M, SECAM
Full HDNoNo
3DNoNo
HD-ReadyKnown for oneYes
Supported graphics resolutionsKnown for one1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 800 (WXGA), 1600 x 1200 (UXGA), 640 x 480 (VGA), 800 x 600 (SVGA)
Ports & interfaces3 differ
VGA (D-Sub) ports quantity22
HDMI ports quantity11
HDMI connector typeKnown for oneFull-size
Component video (YPbPr/YCbCr) in00
Composite video inDiffers01
DVI portNoNo
S-Video inputs quantityDiffers10
USB 2.0 ports quantityDiffers32
Headphone outputsKnown for one1
Microphone inKnown for oneYes
Serial interface typeKnown for oneRS-232
PC Audio inYesYes
Audio (L/R) inKnown for one0
PC Audio outKnown for oneYes
USB connector typeKnown for oneUSB Type-A
Network1 differ
Ethernet LANYesYes
Ethernet LAN (RJ-45) ports11
Wi-FiDiffersYesNo
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Featuresidentical
Noise levelKnown for one37 dB
Noise level (economic mode)Known for one30 dB
HDCPKnown for oneYes
On Screen Display (OSD)Known for oneYes
Password protectionKnown for oneYes
CertificationKnown for oneCE; ErP; TÜV GS
Password protection typeKnown for oneYes
Multimedia1 differ
Built-in speaker(s)YesYes
Number of built-in speakers11
RMS rated powerDiffers16 W10 W
Video formats supportedKnown for oneM2T, M2TS, MPEG, MPEG2, MPG
Image formats supportedKnown for oneJPEG XR, JPG
Design2 differ
Product typeDiffersStandard throw projectorShort throw projector
Product colourDiffersWhiteBlack, Grey
PlacementDesktopDesktop
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Market positioningKnown for oneShort throw
Displayidentical
Built-in displayNoNo
Poweridentical
Power sourceACAC
Power consumption (typical)Known for one292 W
Power consumption (standby)Known for one10 W
Power consumption (max)Known for one357 W
Power consumption (PowerSave)Known for one0.2 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Operational conditions2 differ
Operating temperature (T-T)Differs5 - 40 °C5 - 35 °C
Storage temperature (T-T)Known for one-10 - 50 °C
Operating relative humidity (H-H)Differs20 - 80%30 - 70%
Operating altitudeKnown for one0 - 2000 m
Weight & dimensions4 differ
WeightDiffers4.1 kg3.1 kg
WidthDiffers398 mm297 mm
DepthDiffers115 mm235 mm
HeightDiffers282 mm100 mm
Packaging content1 differ
Remote control includedDiffersYesNo
Remote control typeKnown for oneIR
Batteries includedKnown for oneYes
Cables includedKnown for oneAC, VGA
ManualKnown for oneYes
Quick start guideKnown for oneYes
Technical detailsidentical
Compliance certificatesKnown for oneRoHS
Other features1 differ
Maximum analog resolutionKnown for one1920 x 1200 pixels
RS-232 portsDiffers10
Storageidentical
Card reader integratedKnown for oneNo
Softwareidentical
Windows operating systems supportedKnown for oneWindows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8 Pro, Windows 8 Pro x64, Windows Vista Business, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vi
Mac operating systems supportedKnown for oneMac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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