GeForce RTX 4080 SUPER: Technical Details Revealed - AD103 Silicon, 16GB Memory

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The RTX 4070 Ti SUPER is anticipated to feature 16 GB of memory, potentially using a 256-bit memory interface. This suggests the use of the larger AD103 silicon, as opposed to the AD104 silicon currently used in the RTX 4070 Ti. The RTX 4080 SUPER is also expected to have 16 GB of memory with a 256-bit interface, similar to the standard RTX 4080. This is achieved through the AD103 silicon, which allows for 76 out of 80 Stream Multiprocessors (SM) or 38 out of 40 Texture Processing Clusters (TPC) to be active.

A critical aspect to consider is whether NVIDIA will meet performance goals for the RTX 4080 SUPER by solely increasing CUDA cores from 9,728 to 10,240. NVIDIA has additional methods to enhance performance, such as modifying GPU clocks, power limits, and memory speeds. The existing RTX 4080 has a memory speed of 22.4 Gbps, which could be increased to 23 Gbps. The current RTX 4080's Total Graphics Power (TGP) is 320 W, lower than the 450 W TGP of the AD102-based RTX 4090. RTX 4080 cards come with an NVIDIA-designed adapter for converting three 8-pin PCIe connectors into a 12VHPWR configuration, capable of 450 W continuous power. In comparison, RTX 4090 cards include a 600 W-capable adapter with four 8-pin inputs. This suggests potential for NVIDIA to increase the TGP of the RTX 4080 SUPER, enhancing GPU clocks and leveraging the full capacity of the "AD103" silicon.

NVIDIA is expected to announce the RTX 4070 Ti SUPER and RTX 4080 SUPER on January 8, with the RTX 4080 SUPER likely to be available somewhere in later in January.


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