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| Informatii Generale | ||
|---|---|---|
| Model | HP U28 4K HDR | Dell U2421HE |
|
|
|
| Pret | ||
| Tip | Monitor | Monitor |
| An Fabricatie | 2020 | 2020 |
| Brand | HP | Dell |
| Model | U28 4K HDR | U2421HE |
| Alias | 1Z978AA | |
| Informatii Ecran | ||
| Clasa Marime Ecran | 28" (inches) | 24" (inches) |
| Dimensiune Diagonala | 27.9 in 70.9 cm 708.538 mm 2.32 ft |
23.81 in 60.5 cm 604.7 mm 1.98 ft |
| Latime Ecran | 24.45 in 62.1 cm 620.928 mm 2.04 ft |
20.75 in 52.7 cm 527.04 mm 1.73 ft |
| Inaltime Ecran | 13.44 in 34.1 cm 341.28 mm 1.12 ft |
11.67 in 29.6 cm 296.46 mm 0.97 ft |
| Tip Ecran | IPS | IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) | 8 bits |
| Frame Rate Control | Yes | |
| Numar Maxim de Culori | 1073741824 | 16777216 |
| Biti | 30 | 24 |
| Aspect Ecran | 16:9 | 16:9 |
| Rezolutie Ecran | 3840 x 2160 | 1920 x 1080 |
| Screen Pixel Pitch | 0.116 mm | 0.275 mm |
| Densitate Pixeli Ecran | 157 ppi | 92 ppi |
| Raport Marime Ecran-Carcasa | 89.61 % | 92.49 % |
| Sursa Iluminare | W-LED | W-LED |
| DCI P3 | 93% | 89% |
| sRGB | 100 % | 99 % |
| Luminozitate | 400 cd/m² | 250 cd/m² |
| Contrast Ecran | 1000 : 1 | 1000 : 1 |
| Unghi Vizibilitate Ecran (Orizontala) | 178 ° | 178 ° |
| Unzhi Vizibilitate Ecran (Verticala) | 178 ° | 178 ° |
| Timp Minim de Raspuns | 4 ms | 5 ms |
| Timp Mediu de Raspuns | 8 ms | |
| Strat Protector Ecran | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| HDR | HDR | |
| 3D | No | No |
| Marime, Greutate, Culoare | ||
| Adancime Carcasa | 1.71 in 4.3 cm 43.4 mm 0.14 ft |
1.54 in 3.9 cm 39 mm 0.13 ft |
| Greutate Carcasa | 3.37 kg 7 lbs |
|
| Adancime Carcasa cu Suport | 25.08 in 63.7 cm 637.1 mm 2.09 ft |
21.2 in 53.9 cm 538.5 mm 1.77 ft |
| Inaltime Carcasa cu Suport | 20.92 in 53.1 cm 531.4 mm 1.74 ft |
13.72 in 34.8 cm 348.4 mm 1.14 ft |
| Adancime Ecran cu Suport | 7.48 in 19 cm 189.9 mm 0.62 ft |
6.5 in 16.5 cm 165 mm 0.54 ft |
| Greutate Ecran cu Suport | 6.35 kg 14 lbs |
5.32 kg 12 lbs |
| Culoare Carcasa | Black | Black |
| Hardware | ||
| Stocare Interna | 8 | |
| Camera Web Integrata | No | No |
| Conectivitate | 1 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x USB (Type-C; upstream; 65W; DP Alt Mode) 3 x USB 3.2 (Type-A; Gen 1; downstream) |
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) |
| Audio | ||
| Boxe Audio Integrate | 2 x 3W | |
| Caracteristici | ||
| Caracteristici Speciale | Flicker-free technology Low Blue Light |
Flicker-free technology Low Blue Light |
| Caracteristici Extra | Security lock slot | Security lock slot |
| Ergonomie | ||
| Adancime Carcasa | 25.08 in 63.7 cm 637.1 mm 2.09 ft |
21.2 in 53.9 cm 538.5 mm 1.77 ft |
| Inaltime Carcasa | 14.61 in 37.1 cm 371.2 mm 1.22 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 | Yes | Yes |
| Interval Ajustare Inaltime | 130 mm 13 cm 5.1181 in 0.4265 ft |
|
| Suport Pivotare Mod Portret / Vedere | Yes | Yes |
| Pivotare la Stanga | 90 ° | 90 ° |
| Pivotare la Dreapta | 90 ° | 90 ° |
| Suport Rotatie Stanga/Dreapta | Yes | Yes |
| Rotatie spre Stanga | 40 ° | |
| Rotatie spre Dreapta | 40 ° | |
| Suport Inclare Fata/Spate | Yes | Yes |
| Inclinare Ecran in Fata | 5 ° | 5 ° |
| Inclinare Ecran pe Spate | 23 ° | 21 ° |
| Frecventa si Interpolare | ||
| Frecventa Digitala pe Verticala | 23 Hz - 75 Hz | 56 Hz - 76 Hz |
| Frecventa Digitala pe Orizontala | 30 kHz - 140 kHz | 30 kHz - 83 kHz |
| Unitate Masura Interpolare Ecran | NULL | NULL |
| Accesorii | ||
| Extra | DisplayPort cable HDMI cable USB Type-C cable |
DisplayPort cable USB Type-C to Type-C cable |
| Certificate si Standarde | ||
| Licente | Australian-New Zealand MEPS BSMI CB CCC CE CECP CEL EAC ENERGY STAR FCC ISO 9241-307 KC/KCC NOM PSB SEPA TCO Certified TUV-S UL/CSA VCCI Vietnam MEPS WEEE ISC WW application ICE |
ENERGY STAR EPEAT TCO Certified RoHS NFPA 99 |
| Cerinte Utilizare si Stocare | ||
| Nivel Optim Temperatura de Functionare | 5 °C - 35 °C 41 °F - 95 °F |
0 °C - 40 °C 32 °F - 104 °F |
| Safe Operating Humidity Level | 20 % - 80 % | 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 |
| HP U28 4K HDR | Dell U2421HE |
