Product comparison · 2 data projectors

3M X21i Standard throw projector 2700 ANSI lumens LCD XGA (1024x768) White vs Dell 1420X Standard throw projector 2700 ANSI lumens DLP XGA (1024x768) Black

61specifications compared
35differ
26identical
38known for one product only

Key differences

Projection technology
- X21i Standard throw projector 2700 ANSI lumens LCD XGA (1024x768) White:LCD
- 1420X Standard throw projector 2700 ANSI lumens DLP XGA (1024x768) Black:DLP
Contrast ratio (typical)
- X21i Standard throw projector 2700 ANSI lumens LCD XGA (1024x768) White:2000:1
- 1420X Standard throw projector 2700 ANSI lumens DLP XGA (1024x768) Black:2400:1
Supported aspect ratios
- X21i Standard throw projector 2700 ANSI lumens LCD XGA (1024x768) White:4:3, 14:9, 16:9
- 1420X Standard throw projector 2700 ANSI lumens DLP XGA (1024x768) Black:4:3, 16:9
Screen size compatibility
- X21i Standard throw projector 2700 ANSI lumens LCD XGA (1024x768) White:762 - 7620 mm (30 - 300")
- 1420X Standard throw projector 2700 ANSI lumens DLP XGA (1024x768) Black:965.2 - 4572 mm (38 - 180")
Keystone correction, vertical
- X21i Standard throw projector 2700 ANSI lumens LCD XGA (1024x768) White:-30 - 30°
- 1420X Standard throw projector 2700 ANSI lumens DLP XGA (1024x768) Black:-40 - 40°
Service life of light source
- X21i Standard throw projector 2700 ANSI lumens LCD XGA (1024x768) White:3000 h
- 1420X Standard throw projector 2700 ANSI lumens DLP XGA (1024x768) Black:4500 h
Service life of light source (economic mode)
- X21i Standard throw projector 2700 ANSI lumens LCD XGA (1024x768) White:5000 h
- 1420X Standard throw projector 2700 ANSI lumens DLP XGA (1024x768) Black:6000 h
Lamp power
- X21i Standard throw projector 2700 ANSI lumens LCD XGA (1024x768) White:215 W
- 1420X Standard throw projector 2700 ANSI lumens DLP XGA (1024x768) Black:190 W

Side by side

Differences highlightedShow differences only

Comparison of X21i, 1420X
99 specifications	A 3M X21i Standard throw projector 2700 ANSI lumens LCD XGA (1024x768) White Model X21i View product	B Dell 1420X Standard throw projector 2700 ANSI lumens DLP XGA (1024x768) Black Model 1420X View product
Projector5 differ
Projection technologyDiffers	LCD	DLP
Contrast ratio (typical)Differs	2000:1	2400:1
Supported aspect ratiosDiffers	4:3, 14:9, 16:9	4:3, 16:9
Screen size compatibilityDiffers	762 - 7620 mm (30 - 300")	965.2 - 4572 mm (38 - 180")
Number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
Horizontal scan rangeKnown for one	31.5 - 106 kHz	Unknown — not stated by the source
Vertical scan rangeKnown for one	56 - 120 Hz	Unknown — not stated by the source
Keystone correction, verticalDiffers	-30 - 30°	-40 - 40°
Matrix sizeKnown for one	1.6 cm (0.63")	Unknown — not stated by the source
Matrix typeKnown for one	3-panel (p-Si TFT active)	Unknown — not stated by the source
Projection distanceKnown for one	Unknown — not stated by the source	1 - 8 m
UniformityKnown for one	Unknown — not stated by the source	85%
Light source3 differ
Service life of light sourceDiffers	3000 h	4500 h
Service life of light source (economic mode)Differs	5000 h	6000 h
Lamp typeKnown for one	UHP	Unknown — not stated by the source
Lamp powerDiffers	215 W	190 W
Lamp power (economic mode)Known for one	140 W	Unknown — not stated by the source
Lens system3 differ
Focal length rangeDiffers	19 - 23 mm	18.18 - 21.84 mm
Aperture range (F-F)Differs	1.67 - 1.91	2.54 - 2.73
Throw ratioDiffers	1.5 - 1.8:1	1.64 - 1.97:1
Zoom capabilityKnown for one	Unknown — not stated by the source	Yes
Zoom typeKnown for one	Unknown — not stated by the source	Manual
OffsetKnown for one	Unknown — not stated by the source	110%
Video2 differ
Analog signal format systemDiffers	NTSC, NTSC 4.43, PAL, PAL M, PAL N, SECAM	NTSC 3.58, NTSC 4.43, NTSC M, PAL 4.43, PAL B, PAL D, PAL G, PAL H, PAL I, PAL M, PAL N, SECAM 4.25/4.4, SECAM B, SECAM D, SECAM G, SECAM K, SECAM K1, SECAM L
Supported graphics resolutionsKnown for one	1024 x 768 (XGA), 1600 x 1200 (UXGA)	Unknown — not stated by the source
Supported video modesDiffers	1080i, 480i, 480p, 576i, 720p	1080i, 1080p, 480i, 480p, 576i, 576p, 720p
Ports & interfaces6 differ
HDMI ports quantityDiffers	1	0
Component video (YPbPr/YCbCr) inDiffers	1	0
DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
USB 2.0 ports quantityDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
Audio (L/R) outKnown for one	0	Unknown — not stated by the source
Headphone outputsDiffers	0	1
Microphone inDiffers	No	Yes
PC Audio outKnown for one	Yes	Unknown — not stated by the source
AUX inKnown for one	No	Unknown — not stated by the source
USB connector typeDiffers	USB Type-A, USB Type-B	Mini-USB B
Composite video outKnown for one	0	Unknown — not stated by the source
BNC input portsKnown for one	0	Unknown — not stated by the source
AV outputKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slot typeKnown for one	No	Unknown — not stated by the source
Digital audio optical outKnown for one	0	Unknown — not stated by the source
Progressive scan outputKnown for one	No	Unknown — not stated by the source
Network2 differ
Ethernet LANDiffers	Yes	No
Ethernet LAN (RJ-45) portsDiffers	1	0
BluetoothKnown for one	No	Unknown — not stated by the source
Features2 differ
Noise levelDiffers	37 dB	33 dB
Noise level (economic mode)Differs	30 dB	29 dB
CertificationKnown for one	cUL, FCC-15 B, CE	Unknown — not stated by the source
HDCPKnown for one	Unknown — not stated by the source	No
Password protectionKnown for one	Unknown — not stated by the source	Yes
Multimedia1 differ
RMS rated powerDiffers	1 W	2 W
Design2 differ
Product colourDiffers	White	Black
PlacementDiffers	Desktop, Ceiling	Desktop
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
Power3 differ
Power consumption (typical)Differs	320 W	305 W
Power consumption (standby)Differs	0.4 W	0.5 W
AC input voltageDiffers	220 - 240 V	90 - 264 V
Auto power offKnown for one	Yes	Unknown — not stated by the source
Power consumption (economy mode)Known for one	Unknown — not stated by the source	265 W
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 35 °C	0 - 35 °C
Storage temperature (T-T)Differs	-20 - 60 °C	-30 - 65 °C
Operating altitudeKnown for one	0 - 1600 m	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 90%
Weight & dimensions4 differ
WeightDiffers	2.2 kg	2.6 kg
WidthDiffers	306 mm	290 mm
DepthDiffers	221 mm	238 mm
HeightDiffers	77 mm	90.8 mm
Packaging contentidentical
Batteries includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes

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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