CES 2021: Intel Rocket Lake-S and Alder Lake

CES 2021: Intel Rocket Lake-S and Alder Lake
Along with Tiger Lake-H notebook processors, Intel unveiled details of a Rocket Lake-S desktop CPU at CES 2021 in Las Vegas. The first PCs will hit the market in the coming months. The Californian company has also anticipated some information on the Alder Lake processors that will debut in the second half.

Intel Rocket Lake-S for desktop PC

The details of the Rocket Lake-S architecture were were disclosed at the end of October 2020. Intel still used (for the fifth time) the old 14-nanometer process technology, but various improvements were made that resulted in a 19% increase in the number of instructions executed per clock cycle ( IPC).

It will debut in the first quarter with various Core i5 / i7 / i9, including the Core i9-11900K shown in Las Vegas. This processor integrates eight Cypress Cove cores (14 nanometer variant of Ice Lake 10 nanometer Sunny Cove cores) with maximum frequency of 5.3 GHz (single core). Next to the CPU is the Intel Iris Xe Graphics GPU.

The processor supports DDR4-3200 memory, 20 lanes of PCIe 4.0 and USB 3.2 Gen 2 × 2 with a maximum speed of 20 Gbps . According to Intel, the graphics performance in running games is up to 8% higher than the Ryzen 9 5900X when paired with an NVIDIA GeForce RTX 3080 video card.

Together with Rocket Lake-S processors they will available new motherboards with Intel 500 series chipset (Z590, B560 and H510), on which it is possible to install also the current processors Come Lake, as the socket is the same (LGA 1200). Rocket Lake-S CPUs can also be installed on Intel Z490, Q470 and H470 chipset motherboards.

Intel Alder Lake: finally 10 nanometers

Intel has anticipated some details on the Alder Lake architecture for desktop. For future 12th generation processors, SuperFin 10 nanometer process technology will finally be used, as for Tiger Lake.

Alder Lake is a hybrid architecture, similar to Lakefield. In fact, high performance cores (Golden Cove) and low consumption cores (Gracemont) are provided, in order to offer configurations for every need.

Among the new features there are support for DDR5 memories and the standard PCI Express 5.0. For these CPUs it will be necessary to purchase new motherboards with 600 series chipset and LGA 1700 socket.

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