Product comparison · 2 monitors

HP DreamColor Z31x computer monitor vs LG 34UM88-P computer monitor

55specifications compared
34differ
21identical
45known for one product only

Key differences

Display diagonal
- DreamColor Z31x computer monitor:79 cm (31.1")
- 34UM88-P computer monitor:86.4 cm (34")
Display resolution
- DreamColor Z31x computer monitor:4096 x 2160 pixels
- 34UM88-P computer monitor:3440 x 1440 pixels
Native aspect ratio
- DreamColor Z31x computer monitor:17:9
- 34UM88-P computer monitor:21:9
HD type
- DreamColor Z31x computer monitor:4K Ultra HD
- 34UM88-P computer monitor:UltraWide Quad HD
Panel type
- DreamColor Z31x computer monitor:IPS
- 34UM88-P computer monitor:AH-IPS
Display brightness (typical)
- DreamColor Z31x computer monitor:250 cd/m²
- 34UM88-P computer monitor:300 cd/m²
Response time
- DreamColor Z31x computer monitor:20 ms
- 34UM88-P computer monitor:5 ms
Contrast ratio (typical)
- DreamColor Z31x computer monitor:1500:1
- 34UM88-P computer monitor:1000:1

Side by side

Differences highlightedShow differences only

Comparison of Z31x, 34UM88-P
100 specifications	A HP DreamColor Z31x computer monitor Model Z31x View product	B LG 34UM88-P computer monitor Model 34UM88-P View product
Display11 differ
Display diagonalDiffers	79 cm (31.1")	86.4 cm (34")
Display resolutionDiffers	4096 x 2160 pixels	3440 x 1440 pixels
Native aspect ratioDiffers	17:9	21:9
HD typeDiffers	4K Ultra HD	UltraWide Quad HD
Panel typeDiffers	IPS	AH-IPS
Display brightness (typical)Differs	250 cd/m²	300 cd/m²
Response timeDiffers	20 ms	5 ms
Supported graphics resolutionsDiffers	640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1366 x 768, 1920 x 1080 (HD 1080), 2048 x 1080, 2560 x 1440, 3840 x 2160, 4096 x 2160	3440 x 1440
Contrast ratio (typical)Differs	1500:1	1000:1
Maximum refresh rateKnown for one	60 Hz	Unknown — not stated by the source
Display number of coloursDiffers	1.073 billion colours	16.78 million colours
Pixel pitchDiffers	0.1704 x 0.1704 mm	0.231 x 0.231 mm
Horizontal scan rangeKnown for one	30 - 135 kHz	Unknown — not stated by the source
Vertical scan rangeKnown for one	24 - 60 Hz	Unknown — not stated by the source
Aspect ratioKnown for one	Unknown — not stated by the source	21:9
DDC/CIKnown for one	Unknown — not stated by the source	Yes
Colour gamut standardKnown for one	Unknown — not stated by the source	sRGB
Performance1 differ
NVIDIA G-SYNCKnown for one	No	Unknown — not stated by the source
AMD FreeSyncDiffers	No	Yes
HP segmentKnown for one	Business	Unknown — not stated by the source
VESA Adaptive Sync supportKnown for one	Unknown — not stated by the source	Yes
Flicker-free technologyKnown for one	Unknown — not stated by the source	Yes
Multimedia1 differ
Built-in speaker(s)Differs	No	Yes
Number of speakersKnown for one	Unknown — not stated by the source	2
RMS rated powerKnown for one	Unknown — not stated by the source	7 W
Designidentical
Market positioningKnown for one	Business	Unknown — not stated by the source
Feet colourKnown for one	Unknown — not stated by the source	Black
Ports & interfaces2 differ
USB Type-A downstream ports quantityDiffers	4	2
DisplayPorts quantityDiffers	2	1
Audio outputKnown for one	Yes	Unknown — not stated by the source
HDCPKnown for one	Yes	Unknown — not stated by the source
Charging port typeKnown for one	USB Type-C	Unknown — not stated by the source
HDMI versionKnown for one	Unknown — not stated by the source	2.0
DisplayPort versionKnown for one	Unknown — not stated by the source	1.2
Headphone outKnown for one	Unknown — not stated by the source	Yes
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	2
Ergonomics3 differ
Panel mounting interfaceKnown for one	100 x 100 mm	Unknown — not stated by the source
Adjustable height (max)Differs	11.7 cm	12 cm
SwivellingKnown for one	Yes	Unknown — not stated by the source
Swivel angle rangeKnown for one	-45 - 45°	Unknown — not stated by the source
Tilt adjustmentKnown for one	Yes	Unknown — not stated by the source
Tilt angle rangeDiffers	-5 - 30°	-5 - 20°
Picture-in-PictureKnown for one	Yes	Unknown — not stated by the source
On Screen Display (OSD) languagesKnown for one	Simplified Chinese, Traditional Chinese, German, Dutch, English, Spanish, French, Italian, Japanese, Portuguese	Unknown — not stated by the source
Number of OSD languagesDiffers	10	14
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
On Screen Display (OSD)Known for one	Unknown — not stated by the source	Yes
Power2 differ
Power consumption (typical)Known for one	120 W	Unknown — not stated by the source
Power consumption (standby)Known for one	0.5 W	Unknown — not stated by the source
Power consumption (max)Known for one	260 W	Unknown — not stated by the source
AC input voltageDiffers	100 - 240 V	90 - 240 V
AC input frequencyDiffers	50 - 60 Hz	47/63 Hz
Energy efficiency scaleKnown for one	A++ to E	Unknown — not stated by the source
Annual energy consumptionKnown for one	Unknown — not stated by the source	79 kWh
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 80%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Weight & dimensions8 differ
Width (with stand)Differs	738 mm	829.9 mm
Depth (with stand)Differs	248 mm	252.4 mm
Height (with stand)Differs	566 mm	548.9 mm
Weight (with stand)Differs	15 kg	8.4 kg
Width (without stand)Differs	738 mm	829.9 mm
Depth (without stand)Differs	82.6 mm	49.2 mm
Height (without stand)Differs	414.1 mm	379.8 mm
Weight (without stand)Differs	9.9 kg	6.3 kg
Packaging data4 differ
Package widthDiffers	888 mm	978 mm
Package depthDiffers	388 mm	207 mm
Package heightDiffers	536 mm	522 mm
Package weightDiffers	12.4 kg	11.3 kg
User Guide on CD-ROMKnown for one	Unknown — not stated by the source	Yes
Packaging content1 differ
Cables includedDiffers	AC, DisplayPort, HDMI, USB Type-A to USB Type-B, USB Type-C, USB Type-C to USB Type-A	DisplayPort, HDMI
Other features1 differ
Country of originKnown for one	China	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
Energy efficiency class (legacy scale)Differs	D	B
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
AC adapter includedKnown for one	Unknown — not stated by the source	No
Thin Clientidentical
Thin client installedKnown for one	No	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	85285210	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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