Product comparison · 2 monitors

Viewsonic LCD Monitor 15" vs Viewsonic Optiquest Q20wb 20"

18specifications compared
11differ
7identical
18known for one product only

Key differences

Display diagonal
- LCD Monitor 15":38.1 cm (15")
- Optiquest Q20wb 20":50.8 cm (20")
Display resolution
- LCD Monitor 15":1024 x 768 pixels
- Optiquest Q20wb 20":1680 x 1050 pixels
Display brightness (typical)
- LCD Monitor 15":250 cd/m²
- Optiquest Q20wb 20":300 cd/m²
Response time
- LCD Monitor 15":16 ms
- Optiquest Q20wb 20":5 ms
Contrast ratio (typical)
- LCD Monitor 15":500:1
- Optiquest Q20wb 20":1000:1
Viewing angle, vertical
- LCD Monitor 15":115°
- Optiquest Q20wb 20":160°
Built-in speaker(s)
- LCD Monitor 15":Yes
- Optiquest Q20wb 20":No
Width (without stand)
- LCD Monitor 15":344 mm
- Optiquest Q20wb 20":481 mm

Side by side

Differences highlightedShow differences only

Comparison of LCD Monitor 15", Optiquest Q20wb 20"
36 specifications	A Viewsonic LCD Monitor 15"View product	B Viewsonic Optiquest Q20wb 20"View product
Display6 differ
Display diagonalDiffers	38.1 cm (15")	50.8 cm (20")
Display resolutionDiffers	1024 x 768 pixels	1680 x 1050 pixels
Native aspect ratioKnown for one	Unknown — not stated by the source	16:10
Touchscreen	No	No
Display brightness (typical)Differs	250 cd/m²	300 cd/m²
Response timeDiffers	16 ms	5 ms
Aspect ratioKnown for one	Unknown — not stated by the source	16:10
Contrast ratio (typical)Differs	500:1	1000:1
Viewing angle, horizontal	160°	160°
Viewing angle, verticalDiffers	115°	160°
Digital horizontal frequencyKnown for one	Unknown — not stated by the source	31 - 82 kHz
Digital vertical frequencyKnown for one	Unknown — not stated by the source	50 - 75 Hz
Colour gamut standardKnown for one	Unknown — not stated by the source	sRGB
Separate H/V sync	Yes	Yes
Multimedia1 differ
Built-in speaker(s)Differs	Yes	No
Built-in camera	No	No
Designidentical
Market positioningKnown for one	Unknown — not stated by the source	Business
Product colour	Black	Black
Ports & interfacesidentical
VGA (D-Sub) ports quantity	1	1
DVI-D ports quantityKnown for one	Unknown — not stated by the source	1
AC (power) inKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	39 W
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Weight & dimensions4 differ
Width (with stand)Known for one	Unknown — not stated by the source	481 mm
Depth (with stand)Known for one	Unknown — not stated by the source	155 mm
Height (with stand)Known for one	Unknown — not stated by the source	399 mm
Weight (with stand)Known for one	Unknown — not stated by the source	4.88 kg
Width (without stand)Differs	344 mm	481 mm
Depth (without stand)Differs	147 mm	60 mm
Height (without stand)Differs	347.5 mm	318 mm
Weight (without stand)Differs	2.7 kg	4.1 kg
Packaging dataidentical
Package weightKnown for one	Unknown — not stated by the source	6.21 kg
Other featuresidentical
TV tuner integrated	No	No
Power requirementsKnown for one	Unknown — not stated by the source	AC 100-240V, 50/60Hz
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	LCD

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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