From PC World: Intel released the final details of its Core i9 microprocessors Monday morning, and the data is in: AMD’s high-end Threadripper processors will be faster—except when you really need it.
Remember that Intel’s Core X-series family (also called the Core i9) was announced with several key omissions: namely the clock speeds of the 12-core Core i9-7920X and above, as well as the thermal design power, or TDP. On Monday, Intel filled those in. The 12-core Core i9-7920X launches Aug. 28 while the 14-, 16-, and 18-core Core i9 chips ship on Sept. 25.
Perhaps most important, though, is that we now know how fast Intel’s Core i9s will run. When Intel inadvertently revealed that its 12-core Core i9-7920X was 2.9-GHz—slower than the comparable AMD Threadripper—a subset of the Internet had a small freakout. We now know that that will be true for the remaining Core i9s as well, but with a big caveat.
Here are the remaining speeds and feeds for the high-end Core i9 chips:
- Core i9-7980XE (18 cores, 36 threads): 2.6GHz; Boost, 4.2GHz to 4.4 GHz
- Core i9-7960X (16 cores, 32 threads): 2.8GHz; Boost, 4.2GHz to 4.4 GHz
- Core i9-7940X 14 cores, 28 threads: 3.1GHz; Boost: 4.3GHz to 4.4GHz
- Core i9-7920X (12 cores, 24 threads): 2.9-GHz; Boost: 4.3-GHz to 4.4GHz
Note that the boost speeds refer to both Intel’s Turbo Boost Technology 2.0 and 3.0. (The latter is also referred to as Intel Turbo Boost Max Technology 3.0). In this case, the boost numbers refer to the fastest dual-core frequency that can be achieved. If you’re going to be buying one of these chips, however, it’s likely you’ll be trying to achieve maximum performance.
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