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发表于 2023-7-26 14:07
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Lein 发表于 2023-7-26 10:56
请教下，40系瞬时功耗改善了很多吗 ？
https://www.google.com/amp/s/www.techpowerup.com/299096/nvidia-details-geforce-rtx-4090-founders-edition-cooler-pcb-design-new-power-spike-management%3famp
“In the chart above, NVIDIA shows how current spikes get mitigated by their new VRM design, which uses a PID controller feedback loop. While the RTX 3090 bounces up and down, the RTX 4090 stays relatively stable, and just follows the general trend of the current loading pattern thanks to a 10x improvement in power management response time. It's also worth pointing out that the peak power current spike on the RTX 3090 is higher than the RTX 4090, even though the RTX 3090 is rated 100 W lower than the RTX 4090 (350 W vs 450 W).”
应该是对vrm做了专门的优化 |
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