Comparatie intre Dell U2721DE vs Lenovo ThinkVision X1 (2nd GEN)

Informatii Generale
Model	Dell U2721DE	Lenovo ThinkVision X1 (2nd GEN)

Pret	Check on Amazon	Check on Amazon
Tip	Monitor	Monitor
An Fabricatie	2020	2018
Brand	Dell	Lenovo
Model	U2721DE	ThinkVision X1 (2nd GEN)
Alias		ThinkVision X1 (2018)
Informatii Ecran
Clasa Marime Ecran	27" (inches)	27" (inches)
Dimensiune Diagonala	26.96 in 68.5 cm 684.7 mm 2.25 ft	26.96 in 68.5 cm 684.7 mm 2.25 ft
Latime Ecran	23.49 in 59.7 cm 596.736 mm 1.96 ft	23.49 in 59.7 cm 596.74 mm 1.96 ft
Inaltime Ecran	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.21 in 33.6 cm 335.66 mm 1.1 ft
Tip Ecran	IPS	IPS
Display Bit Depth	8 bits	10 bits
Frame Rate Control		No
Numar Maxim de Culori	16777216	1073741824
Biti	24	30
Aspect Ecran	16:9	16:9
Rezolutie Ecran	2560 x 1440	3840 x 2160
Screen Pixel Pitch	0.233 mm	0.155 mm
Densitate Pixeli Ecran	109 ppi	163 ppi
Raport Marime Ecran-Carcasa	92.16 %	93.4 %
Sursa Iluminare	W-LED	W-LED
DCI P3	89%
sRGB	99 %	99 %
Luminozitate	350 cd/m²	350 cd/m²
Contrast Ecran	1000 : 1	1000 : 1
Contrast Dinamic Ecran		3000000 : 1
Unghi Vizibilitate Ecran (Orizontala)	178 °	178 °
Unzhi Vizibilitate Ecran (Verticala)	178 °	178 °
Timp Minim de Raspuns	5 ms	4 ms
Timp Mediu de Raspuns	8 ms	6 ms
Timp Maxim de Raspuns		14 ms
Strat Protector Ecran	Anti-glare/Matte (3H)	Anti-glare/Matte
3D	No	No
Marime, Greutate, Culoare
Adancime Carcasa	1.54 in 3.9 cm 39 mm 0.13 ft	1.29 in 3.3 cm 32.7 mm 0.11 ft
Greutate Carcasa	4.19 kg 9 lbs	4.29 kg 9 lbs
Adancime Carcasa cu Suport	24.1 in 61.2 cm 612.2 mm 2.01 ft	24.01 in 61 cm 609.74 mm 2 ft
Inaltime Carcasa cu Suport	15.36 in 39 cm 390.2 mm 1.28 ft	18.69 in 47.5 cm 474.76 mm 1.56 ft
Adancime Ecran cu Suport	7.09 in 18 cm 180 mm 0.59 ft	9.24 in 23.5 cm 234.81 mm 0.77 ft
Greutate Ecran cu Suport	6.24 kg 14 lbs	5.59 kg 12 lbs
Culoare Carcasa	Black	Black
Hardware
Camera Web Integrata	No	Yes
Conectivitate	1 x USB 3.1 (Type-C; upstream; DP; 65W) 1 x Ethernet RJ45 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (Output MST) 1 x HDMI 1.4 2 x USB 3.0 (downstream) 2 x USB 3.0 (downstream; BC 1.2)	1 x DisplayPort 1.2 1 x Thunderbolt 3.0 1 x 3.5 mm Audio Out 4 x USB 3.0 (downstream) 1 x HDMI 2.0
Audio
Caracteristici
Caracteristici Speciale	Flicker-free technology Low Blue Light	HDCP (High-bandwidth Digital Content Protection) Low Blue Light
Caracteristici Extra	Security lock slot	Anti-theft stand lock slot - Kensington
Ergonomie
Adancime Carcasa	24.1 in 61.2 cm 612.2 mm 2.01 ft	24.01 in 61 cm 609.74 mm 2 ft
Inaltime Carcasa	13.98 in 35.5 cm 355 mm 1.16 ft	13.85 in 35.2 cm 351.71 mm 1.15 ft
Suport Perete VESA	Yes	No
Marime Interfata VESA Standard	100 x 100	100 x 100
Stand VESA Detasabil	Yes	Yes
Ajustare pe Inaltime	Yes	No
Interval Ajustare Inaltime	130 mm 13 cm 5.1181 in 0.4265 ft
Suport Pivotare Mod Portret / Vedere	Yes	No
Pivotare la Stanga	90 °
Pivotare la Dreapta	90 °
Suport Rotatie Stanga/Dreapta	Yes	No
Rotatie spre Stanga	40 °
Rotatie spre Dreapta	40 °
Suport Inclare Fata/Spate	Yes	Yes
Inclinare Ecran in Fata	5 °	5 °
Inclinare Ecran pe Spate	21 °	30 °
Frecventa si Interpolare
Frecventa Digitala pe Verticala	56 Hz - 76 Hz	23 Hz - 80 Hz
Frecventa Digitala pe Orizontala	30 kHz - 90 kHz	24 kHz - 60 kHz
Unitate Masura Interpolare Ecran	NULL
Accesorii
Extra	DisplayPort cable USB Type-C to Type-C cable	HDMI cable USB Type-C cable USB Type-C to Type-A cable
Certificate si Standarde
Licente	ENERGY STAR EPEAT TCO Certified RoHS NFPA 99	ENERGY STAR 7.0 FCC Class B RoHS TCO Certified Display 7.0 TÜV Eye Comfort WHQL (Windows 10; Windows 8.1; Windows 8; Windows 7)
Cerinte Utilizare si Stocare
Nivel Optim Temperatura de Functionare	0 °C - 40 °C 32 °F - 104 °F	0 °C - 45 °C 32 °F - 113 °F
Safe Operating Humidity Level	10 % - 80 %	10 % - 80 %
Temperatura Stocare Interna	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Nivel Umiditate Stocare Interna	5 % - 90 %	5 % - 95 %
Nivel Altitudine Maxima de Functionare	5000	5000
Nivel Altitudine Maxim de Stocare	12192	12192

Dell U2721DE

Lenovo ThinkVision X1 (2nd GEN)