Intel Core i9-11900K vs Intel Core i9-9900KS

Intel Core i9-11900K
Intel Socket 1200DESKTOP
3500 MHz / Cores: 8 / Mar 2021
Intel Core i9-11900K
Intel Core i9-9900KS
Intel Socket 1151DESKTOP
4000 MHz / Cores: 8 / Oct 2019
Intel Core i9-9900KS

Summary

Reasons to consider Intel Core i9-11900K

This is a newer product, it might have better application compatibility/performance (check features chart below).
Higher theoretical single-threaded performance, based on raw specifications plus core architecture.

Reasons to consider Intel Core i9-9900KS

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

No winner

Gaming

No clear winner declared


No winner

Productivity

No clear winner declared



Specifications

Features

Intel Core i9-11900KIntel Core i9-9900KS
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
HTT
Boost 2.0

Architecture

Intel Core i9-11900KIntel Core i9-9900KS
ArchitectureIntel Rocket LakevsIntel_Coffelake
MarketDesktopvsDesktop
Memory SupportDDR4-3200 MHz Dual-channelvsDDR4-2666 MHz Dual-channel
CodenameRocket LakevsCoffee Lake-R
Release DateMar 2021vsOct 2019

Cores

Intel Core i9-11900KIntel Core i9-9900KS
Cores8vs8
Threads16vs16
SMPs1vs1
Integrated GraphicsUHD Graphics 750vsUHD 630

Cache

Intel Core i9-11900KIntel Core i9-9900KS
L1 Cache64K (per core)vs64K (per core)
L2 Cache256K (per core)vs256K (per core)
L3 Cache16MB (shared)vs16MB (shared)

Physical

Intel Core i9-11900KIntel Core i9-9900KS
SocketIntel Socket 1200vsIntel Socket 1151
Max Case Temp72°Cvs72°C
PackageFC-LGA1200vsFC-LGA14C
Die Sizeunknownvs180mm²
Process14 nmvs14 nm

Performance

Intel Core i9-11900KIntel Core i9-9900KS
Cpu Frequency3500 MHzvs4000 MHz
Turbo Clock5300 MHzvs5000 MHz
Base Clock100 MHzvs100 MHz
VoltageN/AvsN/A
TDP125 Wvs127 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i9-11900K
    6360 points
  • Intel Core i9-9900KS
    6000 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i9-11900K
    40320 points
  • Intel Core i9-9900KS
    46080 points

Points - higher is better