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| Informatii Generale | ||
|---|---|---|
| Model | Lenovo L28u-30 | ViewSonic VX2780-4K-HD-2 |
|
|
|
| Pret | ||
| Tip | Monitor | Monitor |
| An Fabricatie | 2020 | 2019 |
| Brand | Lenovo | ViewSonic |
| Model | L28u-30 | VX2780-4K-HD-2 |
| Alias | 65FAGAC2 | VX2780-4K-HD-3 |
| Informatii Ecran | ||
| Clasa Marime Ecran | 28" (inches) | 27" (inches) |
| Dimensiune Diagonala | 27 in 68.6 cm 685.8 mm 2.25 ft |
27 in 68.6 cm 685.8 mm 2.25 ft |
| Latime Ecran | 24.88 in 63.2 cm 631.928 mm 2.07 ft |
23.49 in 59.7 cm 596.74 mm 1.96 ft |
| Inaltime Ecran | 14.16 in 36 cm 359.78 mm 1.18 ft |
13.22 in 33.6 cm 335.664 mm 1.1 ft |
| Tip Ecran | IPS | IPS |
| Display Bit Depth | 10 bits (8 bits + FRC) | 10 bits |
| Frame Rate Control | Yes | |
| Numar Maxim de Culori | 1073741824 | 1073741824 |
| Biti | 30 | 30 |
| Aspect Ecran | 16:9 | 16:9 |
| Rezolutie Ecran | 3840 x 2160 | 3840 x 2160 |
| Screen Pixel Pitch | 0.161 mm | 0.155 mm |
| Densitate Pixeli Ecran | 154 ppi | 163 ppi |
| Raport Marime Ecran-Carcasa | 95.52 % | 88.48 % |
| Sursa Iluminare | W-LED | W-LED |
| DCI P3 | 90% | |
| sRGB | 99 % | 120 % |
| Luminozitate | 250 cd/m² | 350 cd/m² |
| Nivel Luminozitate Maxima | 300 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 | 4 ms | 4 ms |
| Timp Mediu de Raspuns | 6 ms | |
| Strat Protector Ecran | Anti-glare/Matte | Anti-glare/Matte (3H) |
| HDR | DisplayHDR 400 | |
| 3D | No | No |
| Marime, Greutate, Culoare | ||
| Adancime Carcasa | 1.94 in 4.9 cm 49.2 mm 0.16 ft |
1.84 in 4.7 cm 46.8 mm 0.15 ft |
| Greutate Carcasa | 4.58 kg 10 lbs |
5 kg 11 lbs |
| Adancime Carcasa cu Suport | 25.08 in 63.7 cm 636.94 mm 2.09 ft |
24.29 in 61.7 cm 617 mm 2.02 ft |
| Inaltime Carcasa cu Suport | 17.75 in 45.1 cm 450.82 mm 1.48 ft |
16.61 in 42.2 cm 422 mm 1.38 ft |
| Adancime Ecran cu Suport | 8.66 in 22 cm 219.98 mm 0.72 ft |
7.28 in 18.5 cm 185 mm 0.61 ft |
| Greutate Ecran cu Suport | 5.2 kg 11 lbs |
7.15 kg 16 lbs |
| Culoare Carcasa | Black | Black |
| Hardware | ||
| Camera Web Integrata | No | No |
| Conectivitate | 1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.2 |
1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2 |
| Audio | ||
| Caracteristici | ||
| Caracteristici Speciale | Flicker-free technology Low Blue Light 3-side NearEdgeless design AMD FreeSync technology |
Flicker-free technology AMD FreeSync technology Blue Light Filter |
| Caracteristici Extra | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington |
| Ergonomie | ||
| Adancime Carcasa | 25.08 in 63.7 cm 636.94 mm 2.09 ft |
24.29 in 61.7 cm 617 mm 2.02 ft |
| Inaltime Carcasa | 14.71 in 37.4 cm 373.68 mm 1.23 ft |
14.44 in 36.7 cm 366.9 mm 1.2 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 | 130 mm 13 cm 5.1181 in 0.4265 ft |
|
| Suport Pivotare Mod Portret / Vedere | No | Yes |
| Pivotare la Stanga | 0 ° | |
| 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 | 22 ° | 20 ° |
| Frecventa si Interpolare | ||
| Frecventa Digitala pe Verticala | 40 Hz - 75 Hz | |
| Frecventa Digitala pe Orizontala | 15 kHz - 160 kHz | |
| Unitate Masura Interpolare Ecran | NULL | NULL |
| Accesorii | ||
| Extra | HDMI cable | HDMI cable |
| Certificate si Standarde | ||
| Licente | CCC China Energy Efficiency Standard Tier 1 ENERGY STAR 8.0 EPEAT Gold Eyesafe Display Certification RoHS (EU 2002/95/EC) TÜV Rheinland Eye Comfort Windows Certification |
CCC CEL Level 2 China RoHS |
| Cerinte Utilizare si Stocare | ||
| Nivel Optim Temperatura de Functionare | 0 °C - 45 °C 32 °F - 113 °F |
0 °C - 40 °C 32 °F - 104 °F |
| Safe Operating Humidity Level | 10 % - 80 % | 20 % - 90 % |
| Temperatura Stocare Interna | -20 °C - 60 °C -4 °F - 140 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Nivel Umiditate Stocare Interna | 5 % - 95 % | 5 % - 90 % |
| Nivel Altitudine Maxima de Functionare | 5000 | 5000 |
| Nivel Altitudine Maxim de Stocare | 12192 | 12192 |
| Lenovo L28u-30 | ViewSonic VX2780-4K-HD-2 |
