27.09.2024., 09:53
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#28
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McG
Datum registracije: Feb 2014
Lokacija: Varaždin
Postovi: 8,176
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Citiraj:
nVidia GeForce RTX 5090 and RTX 5080 specifications surface, showing larger SKU segmentation
Citiraj:
For starters, we have the highest-end GeForce RTX 5090. nVidia has decided to use the GB202-300-A1 die and enabled 21,760 FP32 CUDA cores on this top-end model. Accompanying the massive 170 SM GPU configuration, the RTX 5090 has 32 GB of GDDR7 memory on a 512-bit bus, with each GDDR7 die running at 28 Gbps. This translates to 1,568 GB/s memory bandwidth. All of this is confined to a 600W TGP. When it comes to the GeForce RTX 5080, nVidia has decided to further separate its xx80 and xx90 SKUs. The RTX 5080 has 10,752 FP32 CUDA cores paired with 16 GB of GDDR7 memory on a 256-bit bus.
With GDDR7 running at 28 Gbps, the memory bandwidth is also halved at 784 GB/s. This SKU uses a GB203-400-A1 die, which is designed to run within a 400W TGP power envelope. For reference, the RTX 4090 has 68% more CUDA cores than the RTX 4080. The rumored RTX 5090 has around 102% more CUDA cores than the rumored RTX 5080, which means that NVIDIA is separating its top SKUs even more. We are curious to see at what price point nVidia places its upcoming GPUs so that we can compare generational updates and the difference between xx80 and xx90 models and their widened gaps. nVidia GeForce RTX 5090 & RTX 5080 are going to debut at CES 2025.
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Izvor: TechPowerUp
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