6-core/12-thread Rocket Lake-S early tests show poor efficiency improvements over Comet Lake-S
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6-core/12-thread Rocket Lake-S early tests show poor efficiency improvements over Comet Lake-S



The boost clocks recorded by 3DMark for the 6-core/12-thread Rocket Lake-S Processor indicate that this could be a substitute for the Comet Lake-S i5-10400 Processor. The surprising aspect is that there are no efficiency improvements as far as Processor cores are concerned, as the Rocket Lake-S architecture prototype appears to be marginally slower than the Comet Lake-S model. However, thanks to the new Xe iGPU, it delivers better graphics performance.


Comet Lake-S CPUs are just cutting things back against AMD's Ryzen 3000 CPUs, so the Red Team is expected to have a big edge over the forthcoming Ryzen 4000 versions. We already know that Intel's answer to the Zen 3 desktop CPUs would be the Rocket Lake-S processors scheduled to be released by the end of 2020 with a new microarchitecture that adopts the Willow Cove cores from the Tiger Lake Versatility CPUs.The frustrating aspect is that the forthcoming Rocket Lake desktop chips will once again be manufactured on a super-refined 14 nm processor, so there will be no major increases in power efficiency and there will also be modest changes in output. If this is not frustrating enough, we now get a snapshot at some potential success figures thanks to a series at 3DMark scores found by TUM APISAK and rogame credible leakers.



The 3DMark research prototype arrives with 6 cores and 12 threads clocked at 3.5 GHz. Although if the log entry shows 4.1 GHz boost clocks, rogame states that there are several tests that display 4.2 GHz boost clocks, but it only includes pictures with the better performance. Judging only by base and boost clocks, this processor tends to be a sequel to the recently launched Comet Lake-S i5-10400 CPU that boosts up to 4.3 GHz.Due to the 100 MHz difference, the Rocket Lake model managed to score only 11,887 points in the physics test compared to the 12,828 points scored by the i5-10400, but had a marginally better graphics score of 1,900 points over 1,822, thanks to the Xe iGPU's performance boost. Sure, this is an engineering sample and we could see better performance in the final versions. However, we planned to see efficiency improvements as the Rocket Lake chips are supposed to have dramatically improved power limits.


At least we should take heart in the fact that the forthcoming Rocket Lake-S CPUs are already compliant with the LGA 1200 socket and we'll eventually be able to use the PCIe 4.0 lanes that are unused on some of the latest Z490 motherboards. The Xe iGPUs should also be a bit faster, though Intel is planning to incorporate Thunderbolt 4 and USB 3.2 20 G connectivity.


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