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Why Nvidia is about to get an enormous edge over AMD

Micron's GDDR7 VRAM.
Micron

Micron has shared some efficiency figures for its next-gen graphics reminiscence, and if these numbers become true, it may imply nice issues for upcoming graphics cards.

The firm claims that its GDDR7 VRAM will provide as much as 30% efficiency enchancment in gaming situations, and this reportedly applies each to video games that rely closely on ray tracing and on pure rasterization. Will Nvidia’s RTX 50-series, which is claimed to be utilizing GDDR7 reminiscence, become an even bigger improve than anticipated?

In the info, which was first shared by harukaze5719 on X (previously Twitter), Micron pits its new GDDR7 32Gb/s modules towards its GDDR6 VRAM that max out at 20GB/s. For comparability, GDDR6X reminiscence can go as much as 24GB/s per pin, so it’s a giant improve it doesn’t matter what, nevertheless it’s value noting that GDDR7 reminiscence will begin at 28Gb/s.

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Micron additionally lists a couple of of the important thing advantages of its GDDR7 tech. For starters, the bandwidth is elevated by as much as 60% for those who evaluate the highest GDDR6 and GDDR7 modules, with GDDR7 having the ability to obtain over 1.5TB/s in system bandwidth.

Despite these spectacular beneficial properties, Micron additionally stories that GDDR7 is as much as 50% extra environment friendly when it comes to energy consumption, and its new sleep modes can massively reduce on the quantity of energy consumed whereas on standby — as much as 70%. Micron additionally managed to scale back response occasions by as much as 20%, which might be useful for generative AI workloads.

micron, 30% FPS enhance

28Gbps: https://t.co/hj9RtqyraN
32Gbps: https://t.co/sWJAe1oDnG pic.twitter.com/lsToW4nwr9

— 포시포시 (@harukaze5719) June 29, 2024

With first-party benchmarks like this, it’s essential to all the time take them with just a little little bit of skepticism. However, some numbers are arduous to dispute. While we will’t make sure how common that 30% enchancment in frames per second (fps) goes to be, we do know for a undeniable fact that the quickest GDDR7 reminiscence will provide an enormous improve in reminiscence bandwidth.

Micron’s comparisons match up a setup with 12 GDDR7 built-in circuits (ICs) and a 384-bit reminiscence interface towards an actual match from the earlier technology, and that brings the bandwidth over the 1.5TB/s line. Meanwhile, the RTX 4090, outfitted with sooner GDDR6X modules that hit as much as 21Gbps, maxes out at just a little over 1TB/s. The beneficial properties are positively there.

This appears like excellent news for Nvidia. Recent rumors in regards to the specs for the RTX 50-series leave a lot to be desired, with an identical large enchancment within the RTX 5090 and considerably smaller boosts throughout the decrease finish of the product stack. But with this a lot sooner reminiscence, we would see GPUs that share related CUDA core counts nonetheless shoot forward in fps simply due to the sooner VRAM.

Of course, that 30% determine isn’t going to use to each GPU. A slender reminiscence bus can stifle even one of the best VRAM, as we’ve seen in GPUs just like the RTX 4060 Ti 16GB. In the RTX 40-series, Nvidia saved the quantity of VRAM pretty conservative for many of the graphics playing cards, and the reminiscence interface was the identical approach. With that very same method within the RTX 50-series, GDDR7 reminiscence will nonetheless be an enchancment, however that 30% could also be reserved for GPUs just like the RTX 5090.

Micron’s new reminiscence modules sound fairly superb, and hopefully, we’ll be seeing them this fashion in Nvidia’s upcoming graphics playing cards. AMD is claimed to be sticking to GDDR6 in RDNA 4. This may find yourself giving Nvidia an edge over its competitor in additional methods than one.

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