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 24.08.2018   Il diagramma a blocchi della GPU TU102 della card NVIDIA GeForce RTX 2080 Ti
 

 

La scheda video GeForce RTX 2080 Ti di NVIDIA Ŕ basata sulla GPU denominata "TU102" (la parte iniziale del nome in codice Ŕ legato all'architettura "Turing" in accordo alla quale il chip Ŕ stato progettato, ndr).

GeForce RTX 2080 Ti Founders Edition

L'ASIC (Application Specific Integrated Circuit) "TU102" Ŕ prodotto dalla taiwanese TSMC con il nodo FinFET a 12nm, Ŕ caratterizzato da una superificie pari a 775mm▓ e include circa 18.5 miliardi di transistor.

GeForce RTX 2080 Ti Founders Edition

Inoltre, la GPU "TU102" della GeForce RTX 2080 Ti integra sei macroblocchi GPC (Graphics Processing Cluster), ciascuno dei quali include a sua volta 12 unitÓ SM (Streaming Multiprocessor). All'interno di una unitÓ SM gli ingegneri di NVIDIA hanno posizionato 64 core CUDA, 8 core Tensor e un core RT (Ray Tracing).

Diagramma a blocchi GPU NVIDIA TU102

Quindi, il chip presenta complessivamente 72 unitÓ SM, 4608 core CUDA, 576 core Tensor e 72 core RT, oltre a 288 TMU (Texture Mapping Unit), 96 ROP (Render Output Pipeline) e 36 Geometry Unit.

La GPU "TU102" Ŕ in grado di interagire attraverso un bus a 384-bit con un frame buffer realizzato mediante la memoria video GDDR6 a 7GHz, e quindi con un velocitÓ effettiva in termini di transfer rate pari a 14Gbps.

Infine, questo ASIC include due canali NVLink finalizzati a supportare l'interconnessione con altre GPU dello stesso tipo negli scenari applicativi basati su topologie di tipo multi-gpu.





Collegamenti

Tags: core rt  |  core tensor  |  diagramma a blocchi  |  geforce rtx 2080 ti  |  nvidia  |  tu102  |  turing

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