Nvidia's Next-Gen Blackwell GPUs to Use Blazing Fast GDDR7 Memory, Up to 1.5TB/s Bandwidth
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Nvidia's next-gen Blackwell GPUs will likely use GDDR7 memory, offering up to 1,536 GB/s bandwidth on the 384-bit bus top-end GB202 chip.
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GDDR7 memory ICs with 16 Gb and 24 Gb capacities are expected to be available in 2025.
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The Blackwell GPU memory configurations appear similar to Ada Lovelace, with top-end 384-bit bus and cut-down chips using 256-bit and 192-bit buses.
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The Blackwell lineup may lack a direct successor to the AD104 GPU.
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Official specifications for Blackwell chips are still unknown with launch at least 2-3 quarters away.