Product comparison · 2 monitors

iiyama E431S-B2 17" LCD Black vs Samsung SyncMaster 721S 17" TFT

21specifications compared
14differ
7identical
19known for one product only

Key differences

Display brightness (typical)
- E431S-B2 17" LCD Black:250 cd/m²
- SyncMaster 721S 17" TFT:300 cd/m²
Contrast ratio (typical)
- E431S-B2 17" LCD Black:450:1
- SyncMaster 721S 17" TFT:600:1
Viewing angle, horizontal
- E431S-B2 17" LCD Black:140°
- SyncMaster 721S 17" TFT:160°
Viewing angle, vertical
- E431S-B2 17" LCD Black:120°
- SyncMaster 721S 17" TFT:160°
Horizontal scan range
- E431S-B2 17" LCD Black:24 - 80 kHz
- SyncMaster 721S 17" TFT:30 - 81 kHz
Vertical scan range
- E431S-B2 17" LCD Black:55 - 75 Hz
- SyncMaster 721S 17" TFT:56 - 75 Hz
I/O ports
- E431S-B2 17" LCD Black:DVI-D, D-sub mini 15 pin
- SyncMaster 721S 17" TFT:15-pin D-Sub
Power consumption (typical)
- E431S-B2 17" LCD Black:42 W
- SyncMaster 721S 17" TFT:34 W

Side by side

Differences highlightedShow differences only

Comparison of E431S-B2 17" LCD Black, SyncMaster 721S 17" TFT
40 specifications	A iiyama E431S-B2 17" LCD Black View product	B Samsung SyncMaster 721S 17" TFT View product
Display6 differ
Display diagonal	43.2 cm (17")	43.2 cm (17")
Display resolution	1280 x 1024 pixels	1280 x 1024 pixels
Touchscreen	No	No
Display brightness (typical)Differs	250 cd/m²	300 cd/m²
Response timeKnown for one	Unknown — not stated by the source	8 ms
Contrast ratio (typical)Differs	450:1	600:1
Viewing angle, horizontalDiffers	140°	160°
Viewing angle, verticalDiffers	120°	160°
Display number of colours	16.78 million colours	16.78 million colours
Pixel pitch	0.264	0.264
Horizontal scan rangeDiffers	24 - 80 kHz	30 - 81 kHz
Vertical scan rangeDiffers	55 - 75 Hz	56 - 75 Hz
Pixel frequencyKnown for one	Unknown — not stated by the source	140 MHz
Viewable size, horizontalKnown for one	33.8 cm	Unknown — not stated by the source
Viewable size, verticalKnown for one	27 cm	Unknown — not stated by the source
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Silver
Market positioningKnown for one	Business	Unknown — not stated by the source
Ports & interfaces1 differ
I/O portsDiffers	DVI-D, D-sub mini 15 pin	15-pin D-Sub
Ergonomicsidentical
Panel mounting interfaceKnown for one	Unknown — not stated by the source	75 x 75 mm
Plug and Play	Yes	Yes
ErgonomicsKnown for one	TCO 99, TUV ERGO (ISO 13406-2), MPR III	Unknown — not stated by the source
Display tilt and swivel rangeKnown for one	30°	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	42 W	34 W
Power consumption (standby)Differs	3 W	2 W
Weight & dimensions4 differ
Width (with stand)Known for one	Unknown — not stated by the source	388 mm
Depth (with stand)Known for one	Unknown — not stated by the source	215.7 mm
Height (with stand)Known for one	Unknown — not stated by the source	406.3 mm
Width (without stand)Differs	379 mm	388 mm
Depth (without stand)Differs	188.5 mm	216 mm
Height (without stand)Differs	368.5 mm	406 mm
Weight (without stand)Differs	4.1 kg	4.5 kg
Packaging dataidentical
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	481 x 160 x 423 mm
Package weightKnown for one	Unknown — not stated by the source	8.1 kg
Other features1 differ
Audio systemDiffers	Stereo, 2 x 1.5 Watt	2x1.5W
CertificationKnown for one	Unknown — not stated by the source	TCO‘99
Supplied AC adapter type	LCD	LCD
Power requirementsKnown for one	198 - 264 V, 50 / 60 Hz	Unknown — not stated by the source
SafetyKnown for one	TUV-GS, FCC-B, UL / C-UL, CE, VCCI-B	Unknown — not stated by the source
Security featuresKnown for one	Kensington-lock	Unknown — not stated by the source
Power managementKnown for one	VESA DPMS, ENERGY STAR	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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