Product comparison · 2 data projectors

BenQ MX666 Standard throw projector 3500 ANSI lumens DLP XGA (1024x768) 3D Black vs Epson EX51 Standard throw projector 2500 ANSI lumens 3LCD XGA (1024x768) Black

49specifications compared
27differ
22identical
42known for one product only

Key differences

Projector brightness
- MX666 Standard throw projector 3500 ANSI lumens DLP XGA (1024x768) 3D Black:3500 ANSI lumens
- EX51 Standard throw projector 2500 ANSI lumens 3LCD XGA (1024x768) Black:2500 ANSI lumens
Projection technology
- MX666 Standard throw projector 3500 ANSI lumens DLP XGA (1024x768) 3D Black:DLP
- EX51 Standard throw projector 2500 ANSI lumens 3LCD XGA (1024x768) Black:3LCD
Contrast ratio (typical)
- MX666 Standard throw projector 3500 ANSI lumens DLP XGA (1024x768) 3D Black:13000:1
- EX51 Standard throw projector 2500 ANSI lumens 3LCD XGA (1024x768) Black:2000:1
Number of colours
- MX666 Standard throw projector 3500 ANSI lumens DLP XGA (1024x768) 3D Black:1.073 billion colours
- EX51 Standard throw projector 2500 ANSI lumens 3LCD XGA (1024x768) Black:16.78 million colours
Service life of light source
- MX666 Standard throw projector 3500 ANSI lumens DLP XGA (1024x768) 3D Black:3500 h
- EX51 Standard throw projector 2500 ANSI lumens 3LCD XGA (1024x768) Black:4000 h
Service life of light source (economic mode)
- MX666 Standard throw projector 3500 ANSI lumens DLP XGA (1024x768) 3D Black:6500 h
- EX51 Standard throw projector 2500 ANSI lumens 3LCD XGA (1024x768) Black:5000 h
Lamp power
- MX666 Standard throw projector 3500 ANSI lumens DLP XGA (1024x768) 3D Black:240 W
- EX51 Standard throw projector 2500 ANSI lumens 3LCD XGA (1024x768) Black:200 W
Focal length range
- MX666 Standard throw projector 3500 ANSI lumens DLP XGA (1024x768) 3D Black:16.88 - 21.88 mm
- EX51 Standard throw projector 2500 ANSI lumens 3LCD XGA (1024x768) Black:16.9 - 20.28 mm

Side by side

Differences highlightedShow differences only

Comparison of MX666, EX51
91 specifications	A BenQ MX666 Standard throw projector 3500 ANSI lumens DLP XGA (1024x768) 3D Black Model MX666 View product	B Epson EX51 Standard throw projector 2500 ANSI lumens 3LCD XGA (1024x768) Black Model EX51 View product
Projector5 differ
Projector brightnessDiffers	3500 ANSI lumens	2500 ANSI lumens
Projection technologyDiffers	DLP	3LCD
Projector native resolution	XGA (1024x768)	XGA (1024x768)
Contrast ratio (typical)Differs	13000:1	2000:1
Native aspect ratio	4:3	4:3
Supported aspect ratios	4:3	4:3
Screen size compatibilityDiffers	952.5 - 7620 mm (37.5 - 300")	762 - 7620 mm (30 - 300")
Number of coloursDiffers	1.073 billion colours	16.78 million colours
Horizontal scan rangeKnown for one	15 - 102 kHz	Unknown — not stated by the source
Vertical scan rangeKnown for one	23 - 120 Hz	Unknown — not stated by the source
Keystone correction, horizontalKnown for one	-25 - 25°	Unknown — not stated by the source
Keystone correction, verticalKnown for one	- 30 - 30°	Unknown — not stated by the source
Colour light outputKnown for one	Unknown — not stated by the source	2500 ANSI lumens
Matrix typeKnown for one	Unknown — not stated by the source	3-panel (p-Si TFT active)
White light outputKnown for one	Unknown — not stated by the source	2500 ANSI lumens
Light source3 differ
Light source type	Lamp	Lamp
Service life of light sourceDiffers	3500 h	4000 h
Service life of light source (economic mode)Differs	6500 h	5000 h
Lamp powerDiffers	240 W	200 W
Lamps quantity	1 lamp(s)	1 lamp(s)
Lamp typeKnown for one	Unknown — not stated by the source	UHE
Lens system4 differ
Focal length rangeDiffers	16.88 - 21.88 mm	16.9 - 20.28 mm
Aperture range (F-F)Differs	2.59 - 2.87	1.58 - 1.72
Zoom ratioDiffers	1.3:1	1.2:1
Throw ratioDiffers	1.51 - 1.97:1	1.48 - 1.77:1
OffsetKnown for one	125%	Unknown — not stated by the source
FocusKnown for one	Unknown — not stated by the source	Manual
Zoom capabilityKnown for one	Unknown — not stated by the source	Yes
Zoom typeKnown for one	Unknown — not stated by the source	Manual
Video3 differ
Analog signal format systemDiffers	NTSC, PAL, SECAM	NTSC, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM
Full HD	No	No
3DDiffers	Yes	No
Supported 3D formatsKnown for one	Frame Sequential, Frame packing, Side by side, Top and bottom	Unknown — not stated by the source
Supported graphics resolutionsDiffers	1600 x 1200 (UXGA), 640 x 480 (VGA)	640 x 480 (VGA), 1280 x 800 (WXGA), 1440 x 1050, 1440 x 900 (WXGA+)
Supported video modesKnown for one	1080i, 1080p, 480p, 576i, 576p, 720p	Unknown — not stated by the source
HD-ReadyKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces2 differ
VGA (D-Sub) ports quantityDiffers	3	1
HDMI ports quantity	1	1
Component video (YPbPr/YCbCr) inKnown for one	0	Unknown — not stated by the source
Composite video in	1	1
DVI portKnown for one	No	Unknown — not stated by the source
S-Video inputs quantity	1	1
USB 2.0 ports quantity	2	2
Audio (L/R) in	1	1
Headphone outputsKnown for one	1	Unknown — not stated by the source
Serial interface typeKnown for one	RS-232	Unknown — not stated by the source
USB connector typeDiffers	Mini-USB B, USB Type-A	USB Type-A, USB Type-B
CardBus PCMCIA slot typeKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one	0	Unknown — not stated by the source
Progressive scan outputKnown for one	Yes	Unknown — not stated by the source
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Network1 differ
Ethernet LANDiffers	Yes	No
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
Wi-FiKnown for one	Unknown — not stated by the source	No
BluetoothKnown for one	Unknown — not stated by the source	No
Storageidentical
Card reader integrated	No	No
Optical disc player typeKnown for one	Not included	Unknown — not stated by the source
Features2 differ
Noise levelDiffers	33 dB	37 dB
Noise level (economic mode)Differs	30 dB	29 dB
Preset modesKnown for one	Cinema, Custom, Dynamic, Presentation, sRGB	Unknown — not stated by the source
Multimedia1 differ
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	1	1
RMS rated powerDiffers	10 W	1 W
Designidentical
Product type	Standard throw projector	Standard throw projector
Market positioningKnown for one	Business	Unknown — not stated by the source
Product colour	Black	Black
LED indicators	Yes	Yes
PlacementKnown for one	Unknown — not stated by the source	Desktop, Ceiling
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Displayidentical
Built-in displayKnown for one	No	Unknown — not stated by the source
Power2 differ
Power source	AC	AC
Power consumption (typical)Differs	375 W	280 W
Power consumption (standby)Differs	0.5 W	2.6 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Voltage toleranceKnown for one	Unknown — not stated by the source	10%
Weight & dimensions4 differ
WeightDiffers	2.65 kg	2.3 kg
WidthDiffers	311.9 mm	294.6 mm
DepthDiffers	244.1 mm	228.6 mm
HeightDiffers	104.1 mm	76.2 mm
Packaging contentidentical
Remote control included	Yes	Yes
Remote control type	IR	IR
3D glasses includedKnown for one	No	Unknown — not stated by the source
Cables includedKnown for one	VGA	Unknown — not stated by the source
Carrying caseKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
RS-232 portsKnown for one	1	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C

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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