Comparison between HP ZR2740w vs HP X34

General Info
Model Number	HP ZR2740w	HP X34

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2011	2021
Brand	HP	HP
Model Number	ZR2740w	X34
Alias	XW476A4 XW476A8	2V7W6AA
Display
Screen Size Class	27" (inches)	34" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	34 in 86.4 cm 863.6 mm 2.83 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	31.49 in 80 cm 799.8 mm 2.62 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.18 in 33.5 cm 334.8 mm 1.1 ft
Display Manufacturer	LG Display
Display Type	H-IPS	IPS
Display Bit Depth	10 bits	8 bits
Frame Rate Control	No	No
Max Number of Colors	1073741824	16777216
Bits	30	24
Screen Aspect Ratio	16:9	21:9
Screen Resolution	2560 x 1440	3440 x 1440
Screen Pixel Pitch	0.233 mm	0.233 mm
Screen Pixel Density	109 ppi	109 ppi
Screen-to-Body Ratio	79.1 %	89.09 %
Backlight Source	W-LED	W-LED
sRGB	100 %	99 %
Adobe RGB 1998	75 %
NTSC 1953	72 %
Screen Brightness	380 cd/m²
Max Screen Brightness		400 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		100000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	10 ms
Display Minimum Response Time	7 ms
Display Average Response Time	12 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
HDR		DisplayHDR 400
3D	No	No
Size, weight, color
Case Depth	2.68 in 6.8 cm 68 mm 0.22 ft	2.11 in 5.4 cm 53.6 mm 0.18 ft
Case Weight	8 kg 18 lbs	8 kg 18 lbs
Case Width with Stand	25.43 in 64.6 cm 646 mm 2.12 ft	32.15 in 81.7 cm 816.5 mm 2.68 ft
Case Height with Stand	17.32 in 44 cm 440 mm 1.44 ft
Case Depth with Stand	9.25 in 23.5 cm 235 mm 0.77 ft
Case Weight with Stand	10.5 kg 23 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x DisplayPort 1.2 4 x USB 2.0 (downstream) 1 x USB 2.0 (upstream)	1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.4
Audio
Features
Cool Features	DDC/CI HDCP (High-bandwidth Digital Content Protection)	Flicker-free technology HP Eye Ease OMEN Gaming Hub Low Blue Light 3-sided Micro-Edge design AMD FreeSync Premium
Extra Features	Security lock slot	Security lock slot
Ergonomics
Case Width	25.43 in 64.6 cm 646 mm 2.12 ft	32.15 in 81.7 cm 816.5 mm 2.68 ft
Case Height	15.43 in 39.2 cm 392 mm 1.29 ft	14.49 in 36.8 cm 368.1 mm 1.21 ft
Vesa Mount Support	No	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	Yes
Height Adjustment Range	105 mm 10.5 cm 4.1339 in 0.3445 ft	100 mm 10 cm 3.937 in 0.3281 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	0 °	0 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	No
Left Swivel	45 °
Right Swivel	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	35 °	20 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 60 Hz	48 Hz - 165 Hz
Horizontal Digital Frequency	24 kHz - 94 kHz	30 kHz - 255 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	D-sub cable DisplayPort cable	DisplayPort cable
Certificates and Standards
Licenses	BSMI C-Tick CB CCC CE CECP CEL Grade 1 EAC ENERGY STAR EPA Epeat Gold/Silver (market dependent) FCC Class B ICE ISC KC KCC NOM PSB SEPA TCO EDGE TÜV/S VCCI-B WHQL (Windows 8; Windows 7)	Eyesafe certified TÜV Rheinland Low Blue Light Certified
Usage and Storage Requirements
Safe Operating Temperature Level	5 °C - 35 °C 41 °F - 95 °F	5 °C - 35 °C 41 °F - 95 °F
Safe Operating Humidity Level	20 % - 80 %	20 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 95 %	5 % - 95 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

HP ZR2740w

HP X34