Intel Core i9-9900KS vs AMD Ryzen 9 3900XT

Intel Core i9-9900KS
Intel Socket 1151DESKTOP
4000 MHz / Cores: 8 / Oct 2019
Intel Core i9-9900KS
AMD Ryzen 9 3900XT
AMD Socket AM4DESKTOP
3900 MHz / Cores: 12 / unknown
AMD Ryzen 9 3900XT

Summary

Synthetic performance index

  • Intel Core i9-9900KS
    100%
  • AMD Ryzen 9 3900XT
    118%

Relative performance

Single thread performance index

  • Intel Core i9-9900KS
    100%
  • AMD Ryzen 9 3900XT
    100%

Relative performance

Multi thread performance index

  • Intel Core i9-9900KS
    100%
  • AMD Ryzen 9 3900XT
    137%

Relative performance

Reasons to consider Intel Core i9-9900KS

Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the AMD Ryzen 9 3900XT.

Reasons to consider AMD Ryzen 9 3900XT

Much higher multi threaded performance (around 37% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.

No winner

Gaming

No clear winner declared


AMD Ryzen 9 3900XT

Productivity

HWBench recommends AMD Ryzen 9 3900XT

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


Specifications

Features

Intel Core i9-9900KSAMD Ryzen 9 3900XT
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
AVX2
EIST
Intel 64
XD bit
VT-x
VT-d
HTT
AES-NI
TSX
TXT
CLMUL
FMA3
F16C
BMI1
BMI2
Boost 2.0
SSE4A
SSE4.1
AES
SHA
AMD64
EVP
AMD-V
SMAP
SMEP
SMT
Precision Boost 2
XFR 2

Architecture

Intel Core i9-9900KSAMD Ryzen 9 3900XT
ArchitectureIntel_CoffelakevsAMD Zen 2
MarketDesktopvsDesktop
Memory SupportDDR4-2666 MHz Dual-channelvsDDR4-3200 MHz Dual-channel
CodenameCoffee Lake-RvsMatisse
Release DateOct 2019vsunknown

Cores

Intel Core i9-9900KSAMD Ryzen 9 3900XT
Cores8vs12
Threads16vs24
SMPs1vs1
Integrated GraphicsUHD 630vsNo

Cache

Intel Core i9-9900KSAMD Ryzen 9 3900XT
L1 Cache64K (per core)vs96K (per core)
L2 Cache256K (per core)vs512K (per core)
L3 Cache16MB (shared)vs64MB

Physical

Intel Core i9-9900KSAMD Ryzen 9 3900XT
SocketIntel Socket 1151vsAMD Socket AM4
Max Case Temp72°Cvs95°C
PackageFC-LGA14CvsµOPGA-1331
Die Size180mm²vs74mm²
Process14 nmvs7 nm

Performance

Intel Core i9-9900KSAMD Ryzen 9 3900XT
Cpu Frequency4000 MHzvs3900 MHz
Turbo Clock5000 MHzvs4700 MHz
Base Clock100 MHzvs100 MHz
VoltageN/AvsN/A
TDP127 Wvs105 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i9-9900KS
    6000 points
  • AMD Ryzen 9 3900XT
    5264 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i9-9900KS
    46080 points
  • AMD Ryzen 9 3900XT
    63947 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Single 64Bit

  • Intel Core i9-9900KS
    216
  • AMD Ryzen 9 3900XT
    214

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i9-9900KS (simulated)
    2307.78
  • AMD Ryzen 9 3900XT
    3168

points - higher is better