Product comparison · 2 monitors

Lenovo ThinkVision L2021 computer monitor vs Philips 191EL2SB/78 computer monitor

27specifications compared
12differ
15identical
36known for one product only

Key differences

Display diagonal
- ThinkVision L2021 computer monitor:50.8 cm (20")
- 191EL2SB/78 computer monitor:47 cm (18.5")
Display resolution
- ThinkVision L2021 computer monitor:1600 x 900 pixels
- 191EL2SB/78 computer monitor:1366 x 768 pixels
Viewing angle, horizontal
- ThinkVision L2021 computer monitor:160°
- 191EL2SB/78 computer monitor:176°
Viewing angle, vertical
- ThinkVision L2021 computer monitor:160°
- 191EL2SB/78 computer monitor:170°
Pixel pitch
- ThinkVision L2021 computer monitor:0.277 x 0.277 mm
- 191EL2SB/78 computer monitor:0.30 x 0.30 mm
Power consumption (standby)
- ThinkVision L2021 computer monitor:1 W
- 191EL2SB/78 computer monitor:0.5 W
Power consumption (off)
- ThinkVision L2021 computer monitor:1 W
- 191EL2SB/78 computer monitor:0.5 W
Width (without stand)
- ThinkVision L2021 computer monitor:475.9 mm
- 191EL2SB/78 computer monitor:293 mm

Side by side

Differences highlightedShow differences only

Comparison of L2021, 191EL2SB/78
63 specifications	A Lenovo ThinkVision L2021 computer monitor Model L2021 View product	B Philips 191EL2SB/78 computer monitor Model 191EL2SB/78 View product
Display5 differ
Display diagonalDiffers	50.8 cm (20")	47 cm (18.5")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
Display technologyKnown for one	Unknown — not stated by the source	LCD
Panel typeKnown for one	Unknown — not stated by the source	TFT
Backlight typeKnown for one	Unknown — not stated by the source	W-LED
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Supported graphics resolutionsKnown for one	Unknown — not stated by the source	1366 x 768
Viewing angle, horizontalDiffers	160°	176°
Viewing angle, verticalDiffers	160°	170°
Pixel pitchDiffers	0.277 x 0.277 mm	0.30 x 0.30 mm
Horizontal scan rangeKnown for one	Unknown — not stated by the source	30 - 83 kHz
Vertical scan rangeKnown for one	Unknown — not stated by the source	56 - 76 Hz
Contrast ratio (typical)Known for one	1000:1	Unknown — not stated by the source
Viewable size, horizontalKnown for one	44.3 cm	Unknown — not stated by the source
Viewable size, verticalKnown for one	24.9 cm	Unknown — not stated by the source
Performanceidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 2000, Windows 2000 Professional, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 98, Windows 9
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Mac OS X 10.0 Cheetah, Mac OS X 10.1 Puma, Mac OS X 10.2 Jaguar, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Multimediaidentical
Built-in speaker(s)Known for one	No	Unknown — not stated by the source
Designidentical
Market positioningKnown for one	Business	Unknown — not stated by the source
Ports & interfacesidentical
DVI portKnown for one	Unknown — not stated by the source	Yes
USB Type-A downstream ports quantityKnown for one	0	Unknown — not stated by the source
Ergonomicsidentical
Tilt adjustmentKnown for one	Unknown — not stated by the source	Yes
Tilt angle rangeKnown for one	Unknown — not stated by the source	-3 - 12°
On Screen Display (OSD)Known for one	Unknown — not stated by the source	Yes
On Screen Display (OSD) languagesKnown for one	Unknown — not stated by the source	Simplified Chinese, German, English, Spanish, French, Italian, Portuguese, Russian, Turkish
Number of OSD languagesKnown for one	Unknown — not stated by the source	9
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
LED indicatorsKnown for one	Unknown — not stated by the source	Operation, Stand-by
VESA mountingKnown for one	Yes	Unknown — not stated by the source
Panel mounting interfaceKnown for one	75 x 75 mm	Unknown — not stated by the source
Power2 differ
Power consumption (standby)Differs	1 W	0.5 W
Power consumption (off)Differs	1 W	0.5 W
Power consumption (typical)Known for one	22 W	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 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	20 - 80%
Weight & dimensions4 differ
Width (with stand)Known for one	Unknown — not stated by the source	338 mm
Depth (with stand)Known for one	Unknown — not stated by the source	189 mm
Height (with stand)Known for one	Unknown — not stated by the source	457 mm
Width (without stand)Differs	475.9 mm	293 mm
Depth (without stand)Differs	151.2 mm	41 mm
Height (without stand)Differs	357.5 mm	457 mm
Weight (without stand)Differs	4.2 kg	2.22 kg
Packaging dataidentical
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	383 x 503 x 125 mm
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Silver, ENERGY STAR
Other features1 differ
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	30000 h
Supplied AC adapter typeDiffers	LCD	LED, 176
Thin Clientidentical
Thin client installedKnown for one	No	Unknown — not stated by the source

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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