Product comparison · 2 monitors

AOC E1 20E1H computer monitor vs Lenovo X1 (2nd Gen)

64specifications compared
40differ
24identical
57known for one product only

Key differences

Display diagonal
- E1 20E1H computer monitor:49.5 cm (19.5")
- X1 (2nd Gen):68.6 cm (27")
Display resolution
- E1 20E1H computer monitor:1600 x 900 pixels
- X1 (2nd Gen):3840 x 2160 pixels
HD type
- E1 20E1H computer monitor:HD+
- X1 (2nd Gen):4K Ultra HD
Display brightness (typical)
- E1 20E1H computer monitor:250 cd/m²
- X1 (2nd Gen):350 cd/m²
Response time
- E1 20E1H computer monitor:5 ms
- X1 (2nd Gen):6 ms
Supported graphics resolutions
- E1 20E1H computer monitor:1600 x 900
- X1 (2nd Gen):3840 x 2160
Viewing angle, horizontal
- E1 20E1H computer monitor:170°
- X1 (2nd Gen):178°
Viewing angle, vertical
- E1 20E1H computer monitor:160°
- X1 (2nd Gen):178°

Side by side

Differences highlightedShow differences only

Comparison of 20E1H, X1 (2nd Gen)
121 specifications	A AOC E1 20E1H computer monitor Model 20E1H View product	B Lenovo X1 (2nd Gen)View product
Display12 differ
Display diagonalDiffers	49.5 cm (19.5")	68.6 cm (27")
Display resolutionDiffers	1600 x 900 pixels	3840 x 2160 pixels
Native aspect ratio	16:9	16:9
Display technology	LED	LED
Touchscreen	No	No
HD typeDiffers	HD+	4K Ultra HD
Panel typeKnown for one	TN	Unknown — not stated by the source
Backlight typeKnown for one	W-LED	Unknown — not stated by the source
Display brightness (typical)Differs	250 cd/m²	350 cd/m²
Response timeDiffers	5 ms	6 ms
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Screen shape	Flat	Flat
Supported graphics resolutionsDiffers	1600 x 900	3840 x 2160
Aspect ratio	16:9	16:9
Contrast ratio (typical)	1000:1	1000:1
Contrast ratio (dynamic)Known for one	20000000:1	Unknown — not stated by the source
Maximum refresh rateKnown for one	60 Hz	Unknown — not stated by the source
Viewing angle, horizontalDiffers	170°	178°
Viewing angle, verticalDiffers	160°	178°
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
Pixel pitchKnown for one	0.2712 x 0.2712 mm	Unknown — not stated by the source
Horizontal scan rangeDiffers	30 - 83 kHz	30 - 60 kHz
Vertical scan rangeDiffers	50 - 76 Hz	23 - 80 Hz
Viewable size, horizontalDiffers	43.4 cm	59.7 cm
Viewable size, verticalDiffers	23.6 cm	33.6 cm
Colour depthKnown for one	8 bit	Unknown — not stated by the source
Colour gamut standardKnown for one	sRGB	Unknown — not stated by the source
sRGB coverage (typical)Known for one	99%	Unknown — not stated by the source
Adobe RGB coverageKnown for one	73%	Unknown — not stated by the source
3D	No	No
SmartResponseKnown for one	Unknown — not stated by the source	4 ms
Colour gamutKnown for one	Unknown — not stated by the source	99%
Performanceidentical
Flicker-free technologyKnown for one	Yes	Unknown — not stated by the source
Low Blue Light technologyKnown for one	Yes	Unknown — not stated by the source
Multimedia1 differ
Built-in speaker(s)	No	No
Built-in cameraDiffers	No	Yes
Design1 differ
Market positioningKnown for one	Business	Unknown — not stated by the source
Product colourDiffers	Black	Black, Silver
Front bezel colourKnown for one	Black	Unknown — not stated by the source
Detachable stand	Yes	Yes
Feet colourKnown for one	Black	Unknown — not stated by the source
Frameless designKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces4 differ
Built-in USB hubDiffers	No	Yes
VGA (D-Sub) ports quantityDiffers	1	0
DVI port	No	No
HDMI ports quantity	1	1
HDMI versionDiffers	1.4	2.0
DisplayPorts quantityDiffers	0	1
Headphone outKnown for one	Yes	Unknown — not stated by the source
Headphone outputs	1	1
Headphone connectivity	3.5 mm	3.5 mm
Microphone inKnown for one	Yes	Unknown — not stated by the source
USB hub versionKnown for one	Unknown — not stated by the source	3.2 Gen 1 (3.1 Gen 1)
DisplayPort versionKnown for one	Unknown — not stated by the source	1.2
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Card reader integratedKnown for one	Unknown — not stated by the source	No
I/O portsKnown for one	Unknown — not stated by the source	Thunderbolt, USB Type-C, 4 x USB 3.0
Ergonomics4 differ
VESA mountingDiffers	Yes	No
Panel mounting interfaceKnown for one	100 x 100 mm	Unknown — not stated by the source
Height adjustmentKnown for one	No	Unknown — not stated by the source
Tilt adjustment	Yes	Yes
Tilt angle rangeDiffers	-3.5 - 21.5°	-5 - 30°
On Screen Display (OSD)	Yes	Yes
On Screen Display (OSD) languagesDiffers	Simplified Chinese, Traditional Chinese, Czech, German, Dutch, English, Spanish, Finnish, French, Italian, Japanese, Korean, Polish, Portuguese, Russian, Swedish	Simplified Chinese, German, English, Spanish, French, Italian, Japanese, Russian
Number of OSD languagesDiffers	16	8
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
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
PivotKnown for one	Unknown — not stated by the source	No
SwivellingKnown for one	Unknown — not stated by the source	No
Power4 differ
Power consumption (typical)Differs	14 W	65 W
Power consumption (standby)	0.5 W	0.5 W
AC input voltageDiffers	100 - 240 V	90 - 264 V
AC input frequencyDiffers	50 - 60 Hz	47/63 Hz
Current ratingKnown for one	1.5 A	Unknown — not stated by the source
External power adapterDiffers	No	Yes
Energy efficiency class (SDR)Known for one	Unknown — not stated by the source	G
Energy consumption (SDR) per 1000 hoursKnown for one	Unknown — not stated by the source	32 kWh
Power consumption (max)Known for one	Unknown — not stated by the source	135 W
Power consumption (off)Known for one	Unknown — not stated by the source	0.5 W
Energy efficiency scaleKnown for one	Unknown — not stated by the source	A to G
Operational conditions6 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 45 °C
Storage temperature (T-T)Differs	-25 - 55 °C	-20 - 60 °C
Operating relative humidity (H-H)Differs	10 - 85%	8 - 80%
Storage relative humidity (H-H)Differs	5 - 93%	5 - 95%
Operating altitudeDiffers	0 - 5000 m	0 - 4877 m
Non-operating altitudeDiffers	5000 - 12192 m	4877 - 12192 m
Weight & dimensions5 differ
Width (with stand)Differs	461.4 mm	609.7 mm
Depth (with stand)Differs	199.4 mm	234.8 mm
Height (with stand)Differs	379.3 mm	474.8 mm
Weight (with stand)Differs	5.18 kg	5.59 kg
Width (without stand)Differs	461.4 mm	609.7 mm
Depth (without stand)Known for one	Unknown — not stated by the source	32.7 mm
Height (without stand)Known for one	Unknown — not stated by the source	351.7 mm
Weight (without stand)Known for one	Unknown — not stated by the source	4.29 kg
Bezel width (side)Known for one	Unknown — not stated by the source	6.5 mm
Packaging data2 differ
Package widthDiffers	521 mm	718 mm
Package depth	140 mm	140 mm
Package heightDiffers	368 mm	470 mm
Package weightKnown for one	7.63 kg	Unknown — not stated by the source
Package type	Box	Box
VGA cable lengthKnown for one	1.8 m	Unknown — not stated by the source
Packaging contentidentical
Stand included	Yes	Yes
Cables includedKnown for one	AC, VGA	Unknown — not stated by the source
Power cable length	1.8 m	1.8 m
Sustainabilityidentical
Sustainability certificates	EPEAT Silver, ENERGY STAR	EPEAT Silver, ENERGY STAR
Doesn't containKnown for one	Unknown — not stated by the source	PVC
Other features1 differ
On/off switch	Yes	Yes
TV tuner integrated	No	No
Bezel thickness typeKnown for one	Normal	Unknown — not stated by the source
Compliance certificates	RoHS	RoHS
Energy efficiency class (legacy scale)Known for one	A	Unknown — not stated by the source
Heavy metals freeKnown for one	Hg (mercury), Pb (lead)	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	50000 h	Unknown — not stated by the source
CertificationDiffers	TCO 7	ULE, TCO, WC, CEES
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Mercury contentKnown for one	Unknown — not stated by the source	0 mg
Networkidentical
Wi-FiKnown for one	Unknown — not stated by the source	No
BluetoothKnown for one	Unknown — not stated by the source	No
Ethernet LANKnown for one	Unknown — not stated by the source	No
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	85285210

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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