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Comparatie intre Dell S2721D vs Dell U2421E

Informatii Generale
Model Dell S2721D Dell U2421E
Pret
Tip Monitor Monitor
An Fabricatie 2020 2020
Brand Dell Dell
Model S2721D U2421E
Informatii Ecran
Clasa Marime Ecran 27" (inches) 24" (inches)
Dimensiune Diagonala 26.96 in
68.5 cm
684.7 mm
2.25 ft
24.06 in
61.1 cm
611 mm
2 ft
Latime Ecran 23.49 in
59.7 cm
596.736 mm
1.96 ft
20.41 in
51.8 cm
518.4 mm
1.7 ft
Inaltime Ecran 13.22 in
33.6 cm
335.664 mm
1.1 ft
12.76 in
32.4 cm
324 mm
1.06 ft
Tip Ecran IPS IPS
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 16:10
Rezolutie Ecran 2560 x 1440 1920 x 1200
Screen Pixel Pitch 0.233 mm 0.275 mm
Densitate Pixeli Ecran 109 ppi 94 ppi
Raport Marime Ecran-Carcasa 89.83 % 100.87 %
Sursa Iluminare W-LED W-LED
sRGB 99 % 99 %
Luminozitate 320 cd/m² 350 cd/m²
Contrast Ecran 1000 : 1 1000 : 1
Unghi Vizibilitate Ecran (Orizontala) 178 ° 178 °
Unzhi Vizibilitate Ecran (Verticala) 178 ° 178 °
Screen Input Lag 10 ms
Timp Minim de Raspuns 4 ms 5 ms
Timp Mediu de Raspuns 8 ms 8 ms
Strat Protector Ecran Anti-glare/Matte (3H) Anti-glare/Matte (3H)
3D No No
Marime, Greutate, Culoare
Adancime Carcasa 2.18 in
5.5 cm
55.4 mm
0.18 ft
1.54 in
3.9 cm
39 mm
0.13 ft
Greutate Carcasa 4.4 kg
10 lbs
4 kg
9 lbs
Adancime Carcasa cu Suport 24.08 in
61.2 cm
611.6 mm
2.01 ft
20.9 in
53.1 cm
530.8 mm
1.74 ft
Inaltime Carcasa cu Suport 17.85 in
45.3 cm
453.4 mm
1.49 ft
14.33 in
36.4 cm
364 mm
1.19 ft
Adancime Ecran cu Suport 7.35 in
18.7 cm
186.8 mm
0.61 ft
6.81 in
17.3 cm
173 mm
0.57 ft
Greutate Ecran cu Suport 5.4 kg
12 lbs
6.1 kg
13 lbs
Culoare Carcasa Silver Black
Hardware
Camera Web Integrata No No
Conectivitate 1 x 3.5 mm Audio Out
2 x HDMI 1.4
1 x DisplayPort 1.2
1 x USB 3.2 (Type-C; Gen 1; upstream; 90W; DP Alt Mode)
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
4 x USB 3.2 (Type-A; Gen 1; downstream; 2x BC 1.2)
1 x USB 3.2 (Type-C; Gen 1; downstream; 15W)
Audio
Boxe Audio Integrate 2 x 3W
Caracteristici
Caracteristici Speciale Flicker-free technology
Low Blue Light
3-sided bezeless design
AMD FreeSync technology
Easy Arrange
Flicker-free technology
Low Blue Light
Infinity Edge design
ComfortView Plus
Dell Display Manager
Caracteristici Extra Anti-theft stand lock slot - Kensington Security lock slot
Ergonomie
Adancime Carcasa 24.08 in
61.2 cm
611.6 mm
2.01 ft
20.9 in
53.1 cm
530.8 mm
1.74 ft
Inaltime Carcasa 14.35 in
36.5 cm
364.6 mm
1.2 ft
12.35 in
31.4 cm
313.7 mm
1.03 ft
Suport Perete VESA Yes Yes
Marime Interfata VESA Standard 100 x 100 100 x 100
Stand VESA Detasabil Yes Yes
Ajustare pe Inaltime No Yes
Interval Ajustare Inaltime 150 mm
15 cm
5.9055 in
0.4921 ft
Suport Pivotare Mod Portret / Vedere No Yes
Pivotare la Stanga 90 °
Pivotare la Dreapta 90 °
Suport Rotatie Stanga/Dreapta No Yes
Rotatie spre Stanga 45 °
Rotatie spre Dreapta 45 °
Suport Inclare Fata/Spate Yes Yes
Inclinare Ecran in Fata 5 ° 5 °
Inclinare Ecran pe Spate 21 ° 21 °
Frecventa si Interpolare
Frecventa Digitala pe Verticala 48 Hz - 75 Hz 60 Hz
Frecventa Digitala pe Orizontala 30 kHz - 115 kHz 30 kHz - 83 kHz
Unitate Masura Interpolare Ecran NULL NULL
Accesorii
Extra HDMI cable DisplayPort cable
USB Type-C to Type-A cable
USB Type-C to Type-C cable
Certificate si Standarde
Licente ENERGY STAR 8.0
EPEAT
RoHS
TCO Certified
TUV Flicker Free
TUV Low Blue Light
ENERGY STAR
EPEAT Golf
TCO Certified
TUV Rheinland Low Blue Light Certified
Cerinte Utilizare si Stocare
Nivel Optim Temperatura de Functionare 0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °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 % - 90 %
Nivel Altitudine Maxima de Functionare 5000 5000
Nivel Altitudine Maxim de Stocare 12192 12192
Dell S2721D Dell U2421E