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ATI Mobility Radeon X1900

Attualmente, la ATI Mobility Radeon X1900 è la scheda video top della ATI per i portatili. Le prestazioni sono superiori alla X1800 / 7900GS. A causa a problemi di riscaldamento la commercializzazione è stata ritardata ma ora il problema sembra essere stato risolto. In base ai primi reports è più veloce di circa il 12% rispetto alla X1800 (configurazione Alienware). Le prestazioni nei nostri tests hanno mostrato risultati simili alla Nvidia 7900 GS.
La X1900 è una X1800 realizzata in 80nm. I 36 Pixel Shader hanno 12 pipelines della scheda Nvidia.
La tecnologia AVIVO consente al chip di gestire videos H.264, DivX, MPEG-2, MPEG-4, WMV9, e VC-1.

Mobility Radeon X1000 Serie

Mobility Radeon X1900 36/8 cores @ 0.4 GHz256 Bit @ 470 MHz
Mobility Radeon X1800XT 16/8 cores @ 0.55 GHz256 Bit @ 650 MHz
Mobility Radeon X1800 12/6 cores @ 0.45 GHz256 Bit @ 500 MHz
Mobility Radeon X1700 12/5 cores @ 0.48 GHz128 Bit @ 400 MHz
Mobility Radeon X1600 12/5 cores @ 0.45 GHz128 Bit @ 470 MHz
Mobility Radeon X1450 4/2 cores @ 0.55 GHz128 Bit @ 450 MHz
Mobility Radeon X1350 4/2 cores @ 0.47 GHz128 Bit @ 350 MHz
Mobility Radeon X1400 4/2 cores @ 0.45 GHz128 Bit @ 250 MHz
Mobility Radeon X1300 4/2 cores @ 0.35 GHz128 Bit @ 250 MHz
Nome in codiceM59
Pipelines36 / 8 Pixel- / Vertexshader
Velocità del core400 MHz
Velocità della memoria470 MHz
Larghezza del bus di memoria256 Bit
Tipo di memoriaDDR1/DDR2/GDDR3
Max. quantità di memoria256 MB
Memoria condivisano
APIDirectX 9c, Shader 3.0
Transistor Count312 Milioni
tecnologia80 nm
CaratteristicheAvivo Video and Display Engine. 12 pixelshaders are regulated by 3 cores; Powerplay 6.0
Dimensione del portatilegrande
Data dell'annuncio11.01.2007
Informazioni312 Millionen Transistoren, 80nm, PCI-E 16x, MXM-III odul
Link alla pagina del produttoreati.amd.com
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Klaus Hinum, 2007-11-28 (Update: 2014-09-19)