Following CES 2022, we now know about every Intel Alder Lake CPU. Here's everything you need to know about price, performance, specs, and the new motherboards.
After talking up Alder Lake for more than a year, Intel has released all of the CPUs in its 12th-gen range. This new generation brings the same slew of performance improvements you’d expect out of a typical CPU generation but also marks the first time Intel has used its 10nm manufacturing process on desktop and the first slot-in CPUs with a hybrid architecture.
The prices we know about are much lower than we expected. Earlier leaks pointed to prices nearing $1,000 for the flagship chip. At least in the U.S., Intel didn’t raise prices much over 11th-gen chips. The i9 and i5 models have seen a slight bump, while the i7’s pricing is the same as the previous generation.
The balance of P-cores and E-cores is different for each model. Only the P-cores support hyperthreading, so the i9 model comes with 16 cores and 24 threads, the i7 model comes with 12 cores and 20 threads, and so on. Chips without the hybrid architecture come exclusively with P-cores, which support hyperthreading.
Our own benchmarks back up the improvements in games. In the synthetic 3D Mark Time Spy, the Core i9-12900K was about 8% faster than the Ryzen 9 5950X and Core i9-10900K. In a real game, Forza Horizon 4, the 12th-gen chip managed a massive 16% lead over the other two processors. This is a much wider gap than an early leaked benchmark of the same game suggested.
In general computing, the Alder Lake still shows its power. Take Geekbench 5, for example, where the Core i9 model managed a 28% lead over the Ryzen 9 5950X. This is a much larger gap than in early leaked benchmarks, where the chip only managed a 3.8% lead. The extra jump is on the back of increased DDR5 memory speeds. Going down to DDR4, the Core i9-12900K is actually slower.
Another leaker also posted CPU-Z benchmarks for the Core i5-12400. This processor only comes with Golden Cove P-cores, but it still managed a 40% lead over the Ryzen 7 2700X in the single-core test. In Cinebench R20, the Core i5-12400 beat out every Ryzen 5000 chip in the single-core test while managing a decent lead over the Ryzen 5 5600X — which has the same number of cores — in the multi-core test.
We recommend bookmarking Intel’s list of unsupported titles. The company will update the list as patches are released. We hope that Intel has fixes available for the final three games before the end of the year. In the meantime, Gigabyte and MSI have released fixes that can help you bypass these gameplay issues with your motherboard.
Gracemont cores handle the other side of the performance spectrum. Intel says they’re all about multi-threaded performance, juggling several lightweight tasks across multiple cores. Intel says they can perform about 40% above old Skylake cores at the same wattage. Alder Lake marks the launch of Extreme Tuning Utility 7.5, which allows you to tweak the ratio and voltage settings of Alder Lake’s P-cores and E-cores. You can overclock each of the cores independently. If you can’t be bothered, you can use Intel Speed Optimizer on the Core i9-12900K and Core i9-12900KF to add a moderate overclock with a single button.
DDR5 features the same number of pins as DDR4, but it has a different layout. Motherboard makers can choose which standard they want to support, and you can’t switch between them. Enter Thread Director. With this feature, Intel is able to offer Windows 11 full visibility into what kind of workload the task is handling. That removes the guesswork from the equation, helping the operating system better assign tasks to appropriate cores.
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