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Product comparison · 2 monitors

HP E34m G4 WQHD Curved USB-C Conferencing Monitor vs HP Z40c G3

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  • 84specifications compared
  • 43differ
  • 41identical
  • 62known for one product only

Key differences

  • Display diagonal
    • 86.4 cm (34")
    • 100.8 cm (39.7")
  • Display resolution
    • 3440 x 1440 pixels
    • 5120 x 2160 pixels
  • Display technology
    • LCD
    • LED
  • HD type
    • Wide Quad HD
    • UltraWide 5K HD
  • Panel type
    • VA
    • IPS
  • Display brightness (typical)
    • 400 cd/m²
    • 300 cd/m²
  • Response time
    • 5 ms
    • 14 ms
  • Screen curvature rating
    • 1500R
    • 2500R

Side by side

Differences highlightedShow differences only
146 specifications
A

HP

E34m G4 WQHD Curved USB-C Conferencing MonitorView product
B

HP

Z40c G3View product
Display18 differ
Display diagonalDiffers86.4 cm (34")100.8 cm (39.7")
Display resolutionDiffers3440 x 1440 pixels5120 x 2160 pixels
Native aspect ratio21:921:9
Display technologyDiffersLCDLED
TouchscreenNoNo
HD typeDiffersWide Quad HDUltraWide 5K HD
Panel typeDiffersVAIPS
LED backlightKnown for oneYes
Backlight typeEdge LEDEdge LED
Display brightness (typical)Differs400 cd/m²300 cd/m²
Display brightnessKnown for one400 cd/m²
Response timeDiffers5 ms14 ms
Response time measurement typeKnown for oneGTG (Gray to Gray)
Display surfaceKnown for oneMatt
Anti-glare screenYesYes
Screen shapeCurvedCurved
Screen curvature ratingDiffers1500R2500R
Supported graphics resolutionsDiffers1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1280 x 800, 1366 x 768, 1440 x 900 (WXGA+), 1600 x 900, 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 3440 x 1440, 640 x 480 (VGA), 720 x 400, 720 x 480, 800 x 600 (SVGA)640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 800 (WXGA), 1440 x 900 (WXGA+), 1600 x 1200 (UXGA), 1600 x 900, 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 2560 x 1440, 2560 x 1600 (WQXGA), 3840 x 2160, 4096 x 2160, 5120 x 2160
Aspect ratio21:921:9
Contrast ratio (typical)Differs3000:11000:1
Contrast ratio (dynamic)10000000:110000000:1
Maximum refresh rateDiffers75 Hz60 Hz
Viewing angle, horizontal178°178°
Viewing angle, vertical178°178°
Display number of coloursKnown for one16.7 million colours
Pixel pitchDiffers0.23175 x 0.23175 mm0.181 x 0.181 mm
Pixel densityDiffers110 ppi139 ppi
Horizontal scan rangeDiffers30 - 150 kHz15 - 134 kHz
Vertical scan rangeDiffers48 - 75 Hz29 - 71 Hz
Viewable size, horizontalKnown for one79.7 cm
Viewable size, verticalKnown for one33.4 cm
Digital horizontal frequencyKnown for one30 - 150 kHz
Digital vertical frequencyKnown for one48 - 75 Hz
Display diagonal (metric)Differs86.3 cm100.8 cm
Surface hardnessKnown for one3H
Colour depthDiffers8 bit10 bit
Colour gamut standardKnown for onesRGB
Colour gamutKnown for one99%
sRGB coverage (typical)Differs99%100%
Display bezel technologyKnown for oneMicro-Edge
Performanceidentical
NVIDIA G-SYNCNoNo
AMD FreeSyncNoNo
Fast chargingKnown for oneYes
Flicker-free technologyKnown for oneYes
Low Blue Light technologyKnown for oneYes
HP segmentBusinessBusiness
Infrared (IR) sensorKnown for oneYes
Multimedia2 differ
Built-in speaker(s)YesYes
Number of speakers22
RMS rated powerDiffers10 W5 W
Built-in cameraYesYes
Megapixel (approx.)Differs5 MP13 MP
Built-in microphoneYesYes
Design1 differ
Market positioningBusinessBusiness
Product colourDiffersBlackBlack, Silver
Detachable standKnown for oneYes
Feet colourKnown for oneSilver
Ports & interfaces3 differ
Built-in USB hubDiffersYesNo
USB hub versionKnown for one3.2 Gen 1 (3.1 Gen 1)
USB Type-A downstream ports quantity44
USB Type-C downstream ports quantityKnown for one1
USB Type-C DisplayPort Alternate ModeYesYes
USB Power Delivery (USB PD)Known for oneYes
USB Power Delivery up toKnown for one65 W
HDMIYesYes
HDMI ports quantity11
HDMI version2.02.0
DisplayPorts quantity11
DisplayPort versionDiffers1.21.4
Audio inputKnown for oneYes
Audio outputKnown for oneYes
Headphone outDiffersYesNo
Headphone outputsKnown for one1
Headphone connectivityKnown for one3.5 mm
HDCPYesYes
DC-in jackKnown for oneYes
VGA (D-Sub) ports quantityKnown for one0
DVI portKnown for oneNo
Thunderbolt 3 ports quantityKnown for one2
Networkidentical
Ethernet LANKnown for oneYes
Ergonomicsidentical
VESA mountingYesYes
Panel mounting interface100 x 100 mm100 x 100 mm
Cable lock slotYesYes
Height adjustmentYesYes
Adjustable height (max)15 cm15 cm
PivotNoNo
Pivot angleKnown for one-90 - 90°
SwivellingYesYes
Swivel angle range-30 - 30°-30 - 30°
Tilt adjustmentYesYes
Tilt angle range-5 - 20°-5 - 20°
On Screen Display (OSD)Known for oneYes
Picture-in-PictureKnown for oneYes
Power3 differ
Energy efficiency class (SDR)GG
Energy efficiency class (HDR)Known for oneG
Energy consumption (SDR) per 1000 hoursKnown for one32 kWh
Power consumption (typical)Differs65 W72 W
Power consumption (standby)0.5 W0.5 W
Power consumption (max)Differs185 W310 W
Power consumption (off)Known for one0.3 W
AC input voltage100 - 240 V100 - 240 V
AC input frequencyDiffers50/60 Hz50 - 60 Hz
Power supply typeKnown for oneInternal
Energy efficiency scaleKnown for oneA to G
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 35 °C
Operating relative humidity (H-H)Known for one20 - 80%
Storage relative humidity (H-H)Known for one20 - 80%
Weight & dimensions7 differ
Width (with stand)Differs808.3 mm947.4 mm
Depth (with stand)Differs233 mm292.5 mm
Height (with stand)Differs543.2 mm644.8 mm
Weight (with stand)Differs12 kg14.3 kg
Width (without stand)Differs808.3 mm947.4 mm
Depth (without stand)Differs109.1 mm141.9 mm
Height (without stand)Differs388.1 mm447.1 mm
Packaging data4 differ
Package widthDiffers905 mm1070 mm
Package depthDiffers281 mm226 mm
Package heightDiffers481 mm558 mm
Package weightDiffers17.7 kg20.6 kg
Package typeBoxBox
Warranty cardKnown for oneYes
Packaging contentidentical
Stand includedYesYes
Cables includedKnown for oneAC
Quick start guideKnown for oneYes
Bundled softwareKnown for oneHP Display Center; HP Display Manager
Sustainability1 differ
Sustainability certificatesDiffersENERGY STAR, EPEATENERGY STAR, EPEAT Silver, TCO
Sustainable technologies and materialsKnown for oneLow Halogen; Outside box and corrugated cushions are 100% sustainably sourced and recyclable; Contains Ocean-Bound plastic
Sustainability complianceKnown for oneYes
Carbon footprintidentical
Carbon emissions, end-of-life (kg of CO2e)Known for one4
Carbon emissions, logistics (kg of CO2e)Known for one6
Carbon emissions, manufacturing (kg of CO2e)Known for one201
Total carbon emissions, w/o use phase (kg of CO2e)Known for one93
Total carbon footprint (kg of CO2e)Known for one300
Other features4 differ
Country of originChinaChina
Compliance certificatesKnown for oneCECP, CCC, CB, EAC, BIS, Federal Communications Commission (FCC), CE, BSMI
DepthDiffers109.1 mm141.9 mm
HeightDiffers388.1 mm447.1 mm
Manufacturer warrantyKnown for one3 year limited warranty including 3 year of parts and labour. Certain restrictions and exclusions apply
Packaging contentKnown for oneMonitor; VESA Mount adapter; Warranty card; Product notice; Quick Setup Poster; 1 USB Type-C️ to Type-C cable; AC power cord
WeightDiffers12 kg14.3 kg
WidthDiffers808.3 mm947.4 mm
Ethernet LAN (RJ-45) portsKnown for one1
CertificationKnown for oneBIS; BSMI; CB; CCC; CE; CECP; CEL; cTUVus; EAC; E-standby; FCC; ISO 9241-307; KC/KCC; NOM; PSB; RCM; SEPA; TUV-S; VCCI; WEEE; ISC; Mexico Energy; ICE; UAE; TGM; TUV-GS; Ukraine certificates; NRCS of South Africa; Belarus Energy; CEL Grade 2
UNSPSC-codeKnown for one43211902
Supplied AC adapter typeKnown for one195908729808
Technical detailsidentical
General Product Safety Regulation (GPSR) URLKnown for onehttps://support.hp.com/us-en/document/ish_6126692-6126777-16?openCLC=true
Logistics dataidentical
Harmonized System (HS) code8528521085285210

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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