Intel Core i9-11900 Intel Core i5-655K
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Intel Core i9-11900 vs Intel Core i5-655K

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Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 1 - 100 %
Intel Core i9-11900
Rank 2 - 31 %
Intel Core i5-655K
Multi-core performance
Rank 1 - 100 %
Intel Core i9-11900
Rank 2 - 11 %
Intel Core i5-655K
Geekbench 5, 64bit Single-Core

Geekbench 5, 64bit Single-Core
Single-core performance

Intel Core i9-11900
8C / 16T · 5.20 GHz
1,831
Intel Core i5-655K
2C / 4T · 3.46 GHz
564
Geekbench 5, 64bit Multi-Core

Geekbench 5, 64bit Multi-Core
Multi-core performance

Intel Core i9-11900
8C / 16T · 3.80 GHz
9,674
Intel Core i5-655K
2C / 4T · 3.20 GHz
1,252
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Core i9-11900
Intel UHD Graphics 750
666
Intel Core i5-655K
Intel HD Graphics (Westmere)
35

More benchmarks

At a glance

Wischen
Intel Core i9-11900Intel Core i5-655K
FamilyIntel Core i9 (81)Intel Core i5 (336)
CPU groupIntel Core i 11000 (22)Intel Core i5 600 (6)
ArchitectureRocket Lake SClarkdale
Technology14 nm32 nm
SegmentDesktopDesktop
SocketLGA 1200LGA 1156
PredecessorIntel Core i9-10900
SuccessorIntel Core i9-12900

CPU Cores and Base Frequency

Wischen
Intel Core i9-11900Intel Core i5-655K
CPU Cores / Threads8 / 162 / 4
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 8x 2x
Frequency: 2.50 GHz 3.20 GHz
Turbo (1 Core): 5.20 GHz 3.46 GHz
Turbo (All Cores): 3.80 GHz
L2-Cache4.00 MB0.50 MB
L3-Cache16.00 MB4.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core i9-11900Intel Core i5-655K
GPU nameIntel UHD Graphics 750Intel HD Graphics (Westmere)
GPU frequency0.35 - 1.30 GHz0.50 - 0.73 GHz
CUs / Shader32 / 25612 / 24
Raytracing
Max. displays32
Max. GPU Memory64 GB2 GB
Technology14 nm32 nm
Release dateQ1/2021Q1/2010

NPU AI performance

Wischen
Intel Core i9-11900Intel Core i5-655K
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Core i9-11900Intel Core i5-655K
MemoryDDR4-3200 (51.2 GB/s)
DDR3-1333 (21.3 GB/s)
DDR3-1066 (17.1 GB/s)
Max. Memory128 GB16 GB
Memory channels22
ECCNoNo
PCIe4.0 x 202.0 x 16
PCIe Bandwidth39.4 GB/s8.0 GB/s

Thermal Management

Wischen
Intel Core i9-11900Intel Core i5-655K
TDP65 W73 W
TDP (PL2)224 W @ 56 s
TDP up
TDP down
T. junction max.100 °C

Technical details

Wischen
Intel Core i9-11900Intel Core i5-655K
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 10, Windows 11, LinuxWindows 10, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsSSE4.1, SSE4.2, AVX2, AVX-512SSE4.1, SSE4.2
Release dateQ1/2021Q1/2010
Release price439 $177 $
DocumentsTechnical data sheetTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i9-11900 is 3.5 stars (13 ratings), while Intel Core i5-655K has received 0 stars (0 ratings).

Click on the stars to rate one or both processors.

Intel Core i9-11900
Intel Core i9-11900
8C / 16T · 2.50 - 5.20 GHz
Intel Core i5-655K
Intel Core i5-655K
2C / 4T · 3.20 - 3.46 GHz

Most popular CPUs in both categories

Intel Core i9-11900
Intel Core i9-11900
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