Intel Alder Lake [updated]
Release Date: Sep 2021
Mixes CPU cores of various processing power and energy consumption, similar to the Big.Little-like designs for mobile devices
Combines up to eight Golden Cove with up to eight Gracemont (Atom) cores
These cores have two different instruction sets; for example, Golden Cove has AVX-512, TSX-NI, and FP16, which Gracemont lacks
10 nm+ SuperFin process
Uses Socket LGA1700
Alder Lake for desktop: 37.5 mm x 45 mm package
Desktop CPUs come in 125 W and 80 W
Up to 20% single-threaded performance uplift
Could use Foveros 3D Stacking technology
Mobile SKU Stack: 19 variants, ranging from 1C+4c+48 EU all the way up to 8C+8c+32EU, and 6C+8c+96EU
TDPs range from 5 W to 55 W
Prototype: 16c/32t, 1.8 GHz base, 4.0 GHz boost, 12.5 MB L2, 30 MB L3
Another prototype: 8c/16t, 2.99 GHz on big cores
Another prototype: 16c/24t, 8 big cores with HT, 8 small cores without HT. 4.6 GHz with 2 cores active, 4.4 GHz with 4c and 4.2 GHz with 6c, PL1=125 W, PL2=228 W
Includes Gen12 Xe iGPU, running at 1.5 GHz
DDR5 memory support, up to DDR5-4800, overclocks seen of DDR5-6400
Also DDR4-3200, LPDDR4X, LPDDR5X
Clocks up to 4.7 GHz
PCI-Express 5.0 support (16x PCIe 5.0, 4x PCIe 4.0)
DMI operates at PCIe Gen 4
Memory controller uses Gear 1 / Gear 2 system introduced with Rocket Lake
Includes CLDEMOTE instruction to invalidate cache lines