Comparison between HP Z23i vs HP ZR2240w

General Info
Model Number	HP Z23i	HP ZR2240w

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2013	2011
Brand	HP	HP
Model Number	Z23i	ZR2240w
Alias	D7Q13A4	XW475A4 XW475A8
Display
Screen Size Class	23" (inches)	22" (inches)
Diagonal Size	23 in 58.4 cm 584.2 mm 1.92 ft	21.5 in 54.6 cm 546.1 mm 1.79 ft
Screen Width	20.05 in 50.9 cm 509.184 mm 1.67 ft	18.71 in 47.5 cm 475.2 mm 1.56 ft
Screen Height	11.28 in 28.6 cm 286.416 mm 0.94 ft	10.52 in 26.7 cm 267.3 mm 0.88 ft
Display Manufacturer	LG Display	LG Display
Display Type	AH-IPS	e-IPS
Display Bit Depth	8 bits (6 bits + FRC)	8 bits (6 bits + FRC)
Frame Rate Control	Yes	Yes
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	1920 x 1080
Screen Pixel Pitch	0.265 mm	0.248 mm
Screen Pixel Density	95 ppi	102 ppi
Screen-to-Body Ratio	81.48 %	82.52 %
Backlight Source	W-LED	W-LED
sRGB	95 %	97 %
Adobe RGB 1998		75 %
NTSC 1953	72 %	72 %
Screen Brightness	250 cd/m²	250 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	5000000 : 1	2000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	20 ms	25 ms
Display Minimum Response Time	8 ms	8 ms
Display Average Response Time	14 ms	15 ms
Display Maximum Response Time	20 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.01 in 5.1 cm 51 mm 0.17 ft	2.32 in 5.9 cm 59 mm 0.19 ft
Case Weight	4.19 kg 9 lbs	3.48 kg 8 lbs
Case Width with Stand	21.42 in 54.4 cm 544 mm 1.78 ft	20 in 50.8 cm 508 mm 1.67 ft
Case Height with Stand	18.5 in 47 cm 469.9 mm 1.54 ft	14.45 in 36.7 cm 367 mm 1.2 ft
Case Depth with Stand	9.56 in 24.3 cm 242.9 mm 0.8 ft	9.21 in 23.4 cm 234 mm 0.77 ft
Case Weight with Stand	6.4 kg 14 lbs	5.74 kg 13 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x DisplayPort 1.2 1 x DVI-D Dual Link 1 x D-sub 2 x USB 2.0 (downstream) 1 x USB 2.0 (upstream)	1 x HDMI 1 x DisplayPort 1.2 1 x D-sub 1 x DVI-D Dual Link 4 x USB 2.0 (downstream) 1 x USB 2.0 (upstream)
Audio
Features
Cool Features	DDC/CI HDCP (High-bandwidth Digital Content Protection)	DDC/CI HDCP (High-bandwidth Digital Content Protection)
Extra Features	Security lock slot	Security lock slot
Ergonomics
Case Width	21.42 in 54.4 cm 544 mm 1.78 ft	20 in 50.8 cm 508 mm 1.67 ft
Case Height	12.95 in 32.9 cm 329 mm 1.08 ft	11.93 in 30.3 cm 303 mm 0.99 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	Yes
Height Adjustment Range	150 mm 15 cm 5.9055 in 0.4921 ft	90 mm 9 cm 3.5433 in 0.2953 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	0 °	0 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	180 °	45 °
Right Swivel	180 °	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	30 °	35 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 76 Hz	50 Hz - 76 Hz
Horizontal Digital Frequency	24 kHz - 94 kHz	24 kHz - 94 kHz
Accessories
Extras	D-sub cable DisplayPort cable USB 2.0 upstream cable	D-sub cable DisplayPort cable DVI-D cable USB 2.0 upstream 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)	BSMI C-Tick CB CCC CE CECP CEL Grade 1 CSA ENERGY STAR 5.1 Epeat Gold/Silver (market dependent) FCC Class B GOST ISC KC KCC PSB TCO Certified Displays 5.2 TÜV VCCI-B
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 Z23i

HP ZR2240w