Intel 10nm Whitley Lake CPU Benchmark Leaked – Decimates 14nm With Up To 100% Performance Increase Core For Core

A picture of an experimental 48-core Intel CPU from 2009 used as a mock-up for upcoming Ice Lake CPUs.

Looks like it's Intel leak season because a benchmark of Intel's upcoming Whitley platform just leaked out, and boy does it have some impressive results. Manufactured on the 10nm process, the Whitley platform will succeed Purley and will (finally) transition Intel's server ecosystem to 10nm. Based on these benchmarks it looks like customers and clients can expect an absolutely huge increase in performance as compared to older generation Xeon parts.

Intel's Ice Lake SP 'Whitley' Platform will take the fight to AMD Milan

Before we begin, the usual advisories: these benchmarks are based on a very early engineering sample and will certainly change. Driver optimization does not exist at this point so misreads are common as well. Performance shown here may be indicative of final performance but needs to be taken with a grain of salt. Intel has been stuck on the 14nm process for quite a while now and been forced to role out "Optimizations" while its competition moves to 7nm (roughly equivalent to Intel's 10nm). Its 10nm journey has been plagued with missteps but it looks like things are finally starting to look up for TMG.

An Intel slide showcasing the features of their new 10nm processors.

Intel's Ice Lake CPUs based on Sunny Cove architecture will bring the first radical new re-write of the company's CPU architecture and were already expected to show huge gains in performance and power efficiency. While Intel had already sort of hammered in the idea that Sunny Cove would be revolutionary, we are seeing for the first time the extent thereof. Intel's existing server-side platform is called Purley and the Ice Lake derivative that will succeed Purley has been codenamed Whitley. What we have here today is essentially a Geekbench leak of the first Whitley part: An Intel Ice Lake SP CPU based on the 10nm process.

We are looking at a server application of the processor as is evident by the massive RAM array and Microsoft Server OS. The part in question is a 12-core /24- thread CPU which would put it in the lower end of the Ice Lake SP (Whitley) lineup. There are also the usual Geekbench misreads including name and the topology but the identifier speaks for itself. Another thing you will notice is that the CPU had a turbo of 2.7 GHz. This is far less than the clock speeds attained by modern Intel processors but something we have expected. While clock speeds will almost certainly improve after prototyping and testing, we do expect Ice Lake CPUs to clock less than 14nm parts for the obvious reason of process maturity.

That said, I was surprised to see just how much performance this CPU was able to squeeze out. The Intel Whitley Ice Lake SP CPU ES sample scored a multi-core score of almost 28,000 points. This is something that is almost double that of the previous Purley platform core for core and clock for clock. I am also fairly certain that power efficiency would have gone through the roof as well. While it is hard to find a fair-enough entry for comparison, I managed to spot the following Intel Xeon W-3235 CPU (also a 12 core/24 thread part) in a VMWare environment and chart it for a quick comparison.

While single-core performance is obviously lackluster due to the low clock speeds, the multicore performance is actually 218% of Purley (and this hasn't been normalized for a perfect clock to clock yet!). Intel poached Jim Keller from AMD and it looks like the fruits of hiring an architectural wizard are starting to show. Historically, Intel has had an advantage as far as the process architecture goes but they lost that lead with AMD's third-generation processors based on Milan.

If this benchmark is even remotely indicative of the final product (which it probably is), then Intel's 10nm processors will be able to take the fight to Milan. I wasn't able to find a comparable benchmark for any of AMD's 12-core 3rd Generation EPYC parts (the 2nd generation ones don't make for a fair comparison) but I am fairly certain things are going to get heated again between the two rivals within a year or so.

What do you think of Intel's 10nm Ice Lake with Sunny Cove uArch?
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