12-09-2020, 08:04 AM
https://www.extremetech.com/computing/31...ocket-lake
Quote:This image, from WCCFTech, summarizes some GeekBench 5 performance results from last week. Unlike the Sandra results, this data looks exactly like what we’d predict.
The Core i9-10900K is 17 percent slower in single-core testing, implying that Rocket Lake keeps all of Comet Lake’s clock at 14nm and fully benefits from its IPC uplift. On paper, the Core i9-10900K’s 10 cores should be 25 percent faster than the unnamed RKL CPU’s eight, but in practice, it’s only about 1.12x faster. As we theorized, higher IPC from the RKL CPU helps to compensate for the reduced number of cores.
The Core i7-10700K’s relative performance is also interesting, especially if you consider them compared with, say, AMD’s improvements from the 3950X to the 5950X. In AMD’s case, the 5950X gains more performance against the 3950X in 1T mode than it does at full load, partly because both CPUs bump up against the power limits baked into all AM4 motherboards. The fact that the RKL CPU can beat the Core i7-10700K by 22 percent in 1T but only by 9 percent in multi-threading suggests that the clock gap between the two cores is larger in one mode than the other.
These results also fit with what we know about Intel’s product plans and strategies these past few years. The company has been emphasizing single-threaded burst performance and short-duration workloads, and leaning on categories like gaming, which it still won more often than it lost until the launch of AMD’s Ryzen 5000 series a few months ago.
Incidentally, this data also suggests rough parity between RKL and the Ryzen 5000 series on a core for core basis. AMD’s desktop platform would still offer more total cores than Intel, allowing for higher maximum performance in a single socket, but early data suggests Intel will still be in a much better position when the new chips debut at the end of March. With core-per-core parity, Intel could even take an overall price/performance leadership position in certain match-ups, should it choose to price to do so.
As always, take all rumors, leaks, and equivalencies with a grain of salt.