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Comparatie intre Dell U2721DE vs Acer KG251Qbiix

Informatii Generale
Model Dell U2721DE Acer KG251Qbiix
Pret
Tip Monitor Monitor
An Fabricatie 2020 2017
Brand Dell Acer
Model U2721DE KG251Qbiix
Alias KG251Q biix
Informatii Ecran
Clasa Marime Ecran 27" (inches) 25" (inches)
Dimensiune Diagonala 26.96 in
68.5 cm
684.7 mm
2.25 ft
24.5 in
62.2 cm
622.3 mm
2.04 ft
Latime Ecran 23.49 in
59.7 cm
596.736 mm
1.96 ft
21.41 in
54.4 cm
543.744 mm
1.78 ft
Inaltime Ecran 13.22 in
33.6 cm
335.664 mm
1.1 ft
11.91 in
30.3 cm
302.616 mm
0.99 ft
Tip Ecran IPS TN
Display Bit Depth 8 bits 8 bits (6 bits + FRC)
Frame Rate Control Yes
Numar Maxim de Culori 16777216 16777216
Biti 24 24
Aspect Ecran 16:9 16:9
Rezolutie Ecran 2560 x 1440 1920 x 1080
Screen Pixel Pitch 0.233 mm 0.283 mm
Densitate Pixeli Ecran 109 ppi 89 ppi
Raport Marime Ecran-Carcasa 92.16 % 88.65 %
Sursa Iluminare W-LED W-LED
DCI P3 89%
sRGB 99 %
NTSC 1953 72 %
Luminozitate 350 cd/m² 250 cd/m²
Contrast Ecran 1000 : 1 1000 : 1
Contrast Dinamic Ecran 100000000 : 1
Unghi Vizibilitate Ecran (Orizontala) 178 ° 170 °
Unzhi Vizibilitate Ecran (Verticala) 178 ° 160 °
Timp Minim de Raspuns 5 ms 1 ms
Timp Mediu de Raspuns 8 ms
Strat Protector Ecran Anti-glare/Matte (3H) Anti-glare/Matte (3H)
3D No No
Marime, Greutate, Culoare
Adancime Carcasa 1.54 in
3.9 cm
39 mm
0.13 ft
2.2 in
5.6 cm
56 mm
0.18 ft
Greutate Carcasa 4.19 kg
9 lbs
Adancime Carcasa cu Suport 24.1 in
61.2 cm
612.2 mm
2.01 ft
21.96 in
55.8 cm
557.89 mm
1.83 ft
Inaltime Carcasa cu Suport 15.36 in
39 cm
390.2 mm
1.28 ft
16.92 in
43 cm
429.69 mm
1.41 ft
Adancime Ecran cu Suport 7.09 in
18 cm
180 mm
0.59 ft
8.48 in
21.5 cm
215.46 mm
0.71 ft
Greutate Ecran cu Suport 6.24 kg
14 lbs
4.1 kg
9 lbs
Culoare Carcasa Black Black
Hardware
Camera Web Integrata No No
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 3.5 mm Audio Out
1 x HDMI 1.4
1 x D-sub
Audio
Caracteristici
Caracteristici Speciale Flicker-free technology
Low Blue Light
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection)
AMD FreeSync technology
Blue Light Filter
Caracteristici Extra Security lock slot
Ergonomie
Adancime Carcasa 24.1 in
61.2 cm
612.2 mm
2.01 ft
21.96 in
55.8 cm
557.89 mm
1.83 ft
Inaltime Carcasa 13.98 in
35.5 cm
355 mm
1.16 ft
13.1 in
33.3 cm
332.7 mm
1.09 ft
Suport Perete VESA Yes Yes
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 ° 15 °
Frecventa si Interpolare
Frecventa Digitala pe Verticala 56 Hz - 76 Hz 55 Hz - 75 Hz
Frecventa Digitala pe Orizontala 30 kHz - 90 kHz 30 kHz - 85 kHz
Unitate Masura Interpolare Ecran NULL
Accesorii
Extra DisplayPort cable
USB Type-C to Type-C cable
D-sub cable
HDMI cable
Certificate si Standarde
Licente ENERGY STAR
EPEAT
TCO Certified
RoHS
NFPA 99
ENERGY STAR
ErP
TCO Certified Displays
Cerinte Utilizare si Stocare
Nivel Optim Temperatura de Functionare 0 °C - 40 °C
32 °F - 104 °F
Safe Operating Humidity Level 10 % - 80 %
Temperatura Stocare Interna -20 °C - 60 °C
-4 °F - 140 °F
Nivel Umiditate Stocare Interna 5 % - 90 %
Nivel Altitudine Maxima de Functionare 5000
Nivel Altitudine Maxim de Stocare 12192
Dell U2721DE Acer KG251Qbiix