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from the notsogood-things-come-to-those-who-wait? dept.
Intel's next-generation "Rocket Lake" CPUs will be some of Intel's last desktop models on a "14nm" node, and include "backported" Willow Cove cores (referred to as "Cypress Cove") from "10nm" Tiger Lake mobile CPUs, with improved instructions per clock. Notably, the lineup only goes up to 8 cores, instead of 10 cores for the previous Core i9. The review embargo ends on the launch date, March 30th, but some retailers have been selling the CPUs early. AnandTech obtained an 8-core i7-11700K and wrote a review of it. The results were not great.
Power consumption of the 125 W TDP chip peaked at 224.56 W when running an AVX2 workload, compared to 204.79 W for its i7-10700K "Comet Lake" predecessor and 141.45 W for AMD's Ryzen 7 5800X. The i7-11700K reached 291.68 W with an AVX-512 workload.
The i7-11700K not only failed to beat the 5800X in many benchmarks, but trailed the previous-gen i7-10700K in some cases. The major exception is performance in AVX-512 workloads. Gaming performance of the i7-11700K was particularly bad, in part due to an increase in L3 cache and core-to-core latency.
It's possible that there will be some improvements from a final microcode update before launch. There's also models like the Core i9-11900K, which have the same 8 cores but can clock up to 300 MHz higher.
Related: Linus Torvalds: Don't Hide Rust in Linux Kernel; Death to AVX-512
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(Score: 0) by Anonymous Coward on Monday March 08 2021, @05:17PM
No... but can you tell we with a straight face that Pentium 4 was better than Pentium 3? And do you remember the scandal when some some Centrino CPUs were better than Pentium ones (and Intel subsequently gimped the Centrino ones to maintain market segmentation). Stuff happens.
Frankly, given how much Intel games benchmarks, plus all the other scandals (e.g. The security flaw... rowhammer? Whatever, the one they tried to snowball the world and Linus into saying "not a bug, and even if it is, AMD has it too.), I'd trust Anandtech over them. They also have more vested interest in bias news than Anandtech does. Plus, as mentioned by others, Anandtech is a old and vaunted name in tech journalism and testing.