Intel Core i9-11900K vs AMD Ryzen 9 5900X

Intel Core i9-11900K
Intel Socket 1200DESKTOP
3500 MHz / Cores: 8 / Mar 2021
Intel Core i9-11900K
AMD Ryzen 9 5900X
AMD Socket AM4DESKTOP
3700 MHz / Cores: 12 / Nov 2020
AMD Ryzen 9 5900X

Summary

Reasons to consider Intel Core i9-11900K

Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the AMD Ryzen 9 5900X.
Higher theoretical single-threaded performance, based on raw specifications plus core architecture.

Reasons to consider AMD Ryzen 9 5900X

Higher theoretical multi-threaded performance, based on specifications plus core architecture.

AMD Ryzen 9 5900X

Gaming

HWBench recommends AMD Ryzen 9 5900X

Based on game and synthetic benchmarks, and theoretical specifications.

AMD Ryzen 9 5900X

Productivity

HWBench recommends AMD Ryzen 9 5900X

Based on productivity benchmarks, overall multithreaded performance and theoretical specifications.


Specifications

Features

Intel Core i9-11900KAMD Ryzen 9 5900X
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
AVX2
AVX512
FMA3
SHA
EIST
Intel 64
XD bit
VT-x
VT-d
AES-NI
TSX
TXT
CLMUL
F16C
BMI1
BMI2
ABM
ADX
RdRand
TBT 2.0
TBT 3.0
SSE4A
SSE4.1
AES
AMD64
EVP
AMD-V
SMAP
SMEP
SMT
Precision Boost 2
XFR 2

Architecture

Intel Core i9-11900KAMD Ryzen 9 5900X
ArchitectureIntel Rocket LakevsAMD Zen 3
MarketDesktopvsDesktop
Memory SupportDDR4-3200 MHz Dual-channelvsDDR4-3200 MHz Dual-channel
CodenameRocket LakevsVermeer
Release DateMar 2021vsNov 2020

Cores

Intel Core i9-11900KAMD Ryzen 9 5900X
Cores8vs12
Threads16vs24
SMPs1vs1
Integrated GraphicsUHD Graphics 750vsNo

Cache

Intel Core i9-11900KAMD Ryzen 9 5900X
L1 Cache64K (per core)vs64K (per core)
L2 Cache256K (per core)vs512K (per core)
L3 Cache16MB (shared)vs64MB

Physical

Intel Core i9-11900KAMD Ryzen 9 5900X
SocketIntel Socket 1200vsAMD Socket AM4
Max Case Temp72°Cvs95°C
PackageFC-LGA1200vs
Die Sizeunknownvsunknown
Process14 nmvs7 nm

Performance

Intel Core i9-11900KAMD Ryzen 9 5900X
Cpu Frequency3500 MHzvs3700 MHz
Turbo Clock5300 MHzvs4800 MHz
Base Clock100 MHzvs100 MHz
VoltageN/AvsN/A
TDP125 Wvs105 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i9-11900K
    6360 points
  • AMD Ryzen 9 5900X
    5760 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i9-11900K
    40320 points
  • AMD Ryzen 9 5900X
    65001 points

Points - higher is better