Product comparison · 2 data projectors

Acer Essential X137WH Standard throw projector 3700 ANSI lumens DLP WXGA (1280x800) 3D White vs Ricoh PJ XL4540

37specifications compared
20differ
17identical
50known for one product only

Key differences

Projector brightness
- Essential X137WH Standard throw projector 3700 ANSI lumens DLP WXGA (1280x800) 3D White:3700 ANSI lumens
- PJ XL4540:3000 ANSI lumens
Projector native resolution
- Essential X137WH Standard throw projector 3700 ANSI lumens DLP WXGA (1280x800) 3D White:WXGA (1280x800)
- PJ XL4540:XGA (1024x768)
Contrast ratio (typical)
- Essential X137WH Standard throw projector 3700 ANSI lumens DLP WXGA (1280x800) 3D White:20000:1
- PJ XL4540:13000:1
Native aspect ratio
- Essential X137WH Standard throw projector 3700 ANSI lumens DLP WXGA (1280x800) 3D White:16:10
- PJ XL4540:4:3
Projection distance
- Essential X137WH Standard throw projector 3700 ANSI lumens DLP WXGA (1280x800) 3D White:1.1 - 10 m
- PJ XL4540:0.71 - 1.25 m
Service life of light source
- Essential X137WH Standard throw projector 3700 ANSI lumens DLP WXGA (1280x800) 3D White:5000 h
- PJ XL4540:20000 h
Service life of light source (economic mode)
- Essential X137WH Standard throw projector 3700 ANSI lumens DLP WXGA (1280x800) 3D White:6000 h
- PJ XL4540:20000 h
Lamp power
- Essential X137WH Standard throw projector 3700 ANSI lumens DLP WXGA (1280x800) 3D White:195 W
- PJ XL4540:3.5 W

Side by side

Differences highlightedShow differences only

Comparison of X137WH, PJ XL4540
87 specifications	A Acer Essential X137WH Standard throw projector 3700 ANSI lumens DLP WXGA (1280x800) 3D White Model X137WH View product	B Ricoh PJ XL4540 View product
Projector6 differ
Projector brightnessDiffers	3700 ANSI lumens	3000 ANSI lumens
Projection technology	DLP	DLP
Projector native resolutionDiffers	WXGA (1280x800)	XGA (1024x768)
Contrast ratio (typical)Differs	20000:1	13000:1
Native aspect ratioDiffers	16:10	4:3
Supported aspect ratiosKnown for one	4:3, 16:9	Unknown — not stated by the source
Screen size compatibilityDiffers	762 - 7620 mm (30 - 300")	1432.6 - 2540 mm (56.4 - 100")
Projection distanceDiffers	1.1 - 10 m	0.71 - 1.25 m
Number of coloursKnown for one	1.073 billion colours	Unknown — not stated by the source
Horizontal synchronization (max)Known for one	100 kHz	Unknown — not stated by the source
Horizontal synchronization (min)Known for one	15 kHz	Unknown — not stated by the source
Keystone correction, verticalKnown for one	-40/40°	Unknown — not stated by the source
Vertical synchronization (max)Known for one	0.12 kHz	Unknown — not stated by the source
Vertical synchronization (min)Known for one	0.024 kHz	Unknown — not stated by the source
Matrix sizeKnown for one	Unknown — not stated by the source	1.4 cm (0.55")
Light source4 differ
Light source type	Lamp	Lamp
Service life of light sourceDiffers	5000 h	20000 h
Service life of light source (economic mode)Differs	6000 h	20000 h
Lamp typeKnown for one	OSRAM	Unknown — not stated by the source
Lamp powerDiffers	195 W	3.5 W
Lamps quantityDiffers	1 lamp(s)	19 lamp(s)
Lens system1 differ
Focus	Manual	Manual
Focal length rangeKnown for one	21.85 - 24 mm	Unknown — not stated by the source
Aperture range (F-F)Known for one	2.41 - 2.53	Unknown — not stated by the source
Zoom capability	Yes	Yes
Zoom type	Manual	Manual
Digital zoomKnown for one	2x	Unknown — not stated by the source
Optical zoomKnown for one	1.1x	Unknown — not stated by the source
Throw ratioDiffers	1.54 - 1.72:1	0.617:1
Videoidentical
Analog signal format system	NTSC, PAL, SECAM	NTSC, PAL, SECAM
Full HD	No	No
HD-ReadyKnown for one	Yes	Unknown — not stated by the source
3D	Yes	Yes
3D Ready	Yes	Yes
Supported graphics resolutionsKnown for one	1280 x 800 (WXGA), 1920 x 1200 (WUXGA)	Unknown — not stated by the source
Supported video modesKnown for one	720p	Unknown — not stated by the source
Ports & interfaces1 differ
VGA (D-Sub) ports quantity	1	1
HDMI ports quantityDiffers	1	2
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Composite video inKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	Unknown — not stated by the source	No
Audio (L/R) inKnown for one	Unknown — not stated by the source	1
Audio (L/R) outKnown for one	Unknown — not stated by the source	1
Microphone inKnown for one	Unknown — not stated by the source	Yes
Serial interface typeKnown for one	Unknown — not stated by the source	RS-232C
PC in (D-Sub)Known for one	Unknown — not stated by the source	Yes
Features2 differ
Noise levelDiffers	31 dB	36 dB
Noise level (economic mode)Differs	28 dB	32 dB
Multimedia1 differ
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	1	1
RMS rated powerDiffers	3 W	10 W
Design1 differ
Product type	Standard throw projector	Standard throw projector
Product colour	White	White
PlacementDiffers	Desktop, Ceiling	Desktop
Power2 differ
Power source	AC	AC
Power consumption (typical)Differs	235 W	330 W
Power consumption (economy mode)Known for one	195 W	Unknown — not stated by the source
AC input voltageDiffers	120 - 230 V	100 - 240 V
Power consumption (standby)Known for one	Unknown — not stated by the source	0.5 W
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	210 W
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Softwareidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 40 °C	5 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 60 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%
Weight & dimensions1 differ
WeightDiffers	2.5 kg	5.5 kg
WidthKnown for one	Unknown — not stated by the source	383 mm
DepthKnown for one	Unknown — not stated by the source	308 mm
HeightKnown for one	Unknown — not stated by the source	85 mm
Packaging contentidentical
Remote control included	Yes	Yes
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	AC, VGA	Unknown — not stated by the source
Quick start guide	Yes	Yes
Batteries includedKnown for one	Unknown — not stated by the source	Yes
Carrying caseKnown for one	Unknown — not stated by the source	Yes
Technical detailsidentical
ColourKnown for one	Yes	Unknown — not stated by the source
Contrast ratioKnown for one	20000:1	Unknown — not stated by the source
Display aspect ratioKnown for one	16:10	Unknown — not stated by the source
HD typeKnown for one	HD	Unknown — not stated by the source
Other featuresidentical
Number of bulbsKnown for one	1 bulb(s)	Unknown — not stated by the source
RS-232CKnown for one	Unknown — not stated by the source	Yes
Networkidentical
Ethernet LANKnown for one	Unknown — not stated by the source	No
Wi-FiKnown for one	Unknown — not stated by the source	No
Storageidentical
Card reader integratedKnown for one	Unknown — not stated by the source	No
Displayidentical
Built-in displayKnown for one	Unknown — not stated by the source	No

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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