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AMD Ryzen 9 3900X vs Intel 11th Gen Intel Core i9 11900K: Comparison

AMD Ryzen 9 3900X and Intel 11th Gen Intel Core i9 11900K separate most on l3 cache: AMD Ryzen 9 3900X at 64 MB, Intel 11th Gen Intel Core i9 11900K at 16 MB, 75% in favour of AMD Ryzen 9 3900X. L2 Cache splits them by another 67%, again favouring AMD Ryzen 9 3900X. They match on 7 other specifications, including form factor, market segment and socket status.

AMD Ryzen 9 3900X
AMDAMD Ryzen 9 3900X
11th Gen Intel Core i9 11900K
IntelIntel 11th Gen Intel Core i9 11900K

Specs

Specification
AMD Ryzen 9 3900X
AMD Ryzen 9 3900X
11th Gen Intel Core i9 11900K
Intel 11th Gen Intel Core i9 11900K
BrandAMDIntel
Product LineRyzen 9Core i9
Form FactorDesktopDesktop
Model Number3900X11900K
CodenameMatisseRocket Lake
Core/Thread Count12 Core / 24 Thread8 Core / 16 Thread
Release Year20192021
TDP105 W125 W
Market SegmentDesktopDesktop
Cache64MB L3 + 6MB L2 + 768KB L116MB L3 + 2MB L2 + 512KB L1
SocketAM4LGA 1200
Boost/Base Clock4.6 GHz / 3.8 GHz5.3 GHz / 3.5 GHz
Socket StatusEnd of LifeEnd of Life
Process Node7 nm14 nm
SMT EnabledtrueYes
P-Core Base Clock3.83.5 GHz
P-Core Boost Clock4.65.3 GHz
L2 Cache6 MB2 MB-67%
L3 Cache64 MB16 MB-75%
Base Power105 W125 W
Memory TypeDDR4DDR4
Memory Channels22
ECC SupportfalseNo
Integrated GraphicsNoYes
PCIe Generation4PCIe 4.0
PCIe Lanes2020
Launch MSRP499$539
Retail AvailabilityRetailRetail
SeriesRyzen 9Core i9
CPU Process Node7 Nanometers (TSMC)14 Nanometers
ArchitectureZen 2, Ryzen 3000 Series "Matisse"Rocket Lake, 11th Gen Intel Core

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