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Old Nov 21, 2021, 10:17 AM   #375
pax
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Be cool if they go back to hbm I read they arent that much more expensive than GDDR6x.

Samsung seen as developing next gen gddr tho in gddr6+ and gddr7.

https://wccftech.com/samsung-ddr6-12...next-gen-gpus/

Quote:
GDDR6+ With 24 Gbps & GDDR7 With 32 Gbps For Next-Gen GPUs
Samsung also revealed its plans to offer a faster GDDR6+ standard which will replace the existing GDDR6 chips. Currently, Micron is the only one that has designs for 21 Gbps+ graphics memory ready with its GDDR6X standard. GDDR6+ is more of a refinement of GDDR6 than just upping the bandwidth. It is said to rock speeds of up to 24 Gbps and will be part of the next generation of GPUs. This will allow GPUs with 320/352/384 bit bus layouts to reach over 1 TB/s bandwidth while 256-bit GPUs will be able to reach up to 768 GB/s bandwidth.

There's also GDDR7 which is currently on the graphics DRAM roadmap and is expected to offer up to 32 Gbps transfer speeds along with a real-time error protection technology. A GDDR7 memory sub-system across a 256-bit wide bus interface at 32 Gbps transfer speeds will offer 1 TB/s of total bandwidth. That's 1.5 TB/s with a 384-bit bus interface and up to 2 TB/s on a 512-bit system. This is just insane amounts of bandwidth for a GDDR standard.
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