Intel Core i9-9900K Intel Core i5-1230U
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Intel Core i9-9900K vs Intel Core i5-1230U

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Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 2 - 91 %
Intel Core i9-9900K
Rank 1 - 100 %
Intel Core i5-1230U
Multi-core performance
Rank 1 - 100 %
Intel Core i9-9900K
Rank 2 - 58 %
Intel Core i5-1230U
Geekbench 5, 64bit Single-Core

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

Intel Core i9-9900K
8C / 16T · 5.00 GHz
1,342
Intel Core i5-1230U
10C / 12T · 4.40 GHz
1,479
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Core i9-9900K
Intel UHD Graphics 630
461
Intel Core i5-1230U
Intel Iris Xe Graphics 80 (Alder Lake)
1,115

More benchmarks

At a glance

Wischen
Intel Core i9-9900KIntel Core i5-1230U
FamilyIntel Core i9 (81)Intel Core i5 (336)
CPU groupIntel Core i 9000 (34)Intel Core i 1200P/1200U (21)
ArchitectureCoffee Lake S RefreshAlder Lake U
Technology14 nm10 nm
SegmentDesktopNotebook
SocketLGA 1151-2BGA 1744
Predecessor
SuccessorIntel Core i9-10900K

CPU Cores and Base Frequency

Wischen
Intel Core i9-9900KIntel Core i5-1230U
CPU Cores / Threads8 / 1610 / 12
Hyperthreading / SMT
Core architecturenormalhybrid (big.LITTLE)
Core Cluster 1: 8x
3.60 - 5.00 GHz
2x Golden Cove
1.00 - 4.40 GHz
Core Cluster 2: 8x Gracemont
0.70 - 3.30 GHz
L2-Cache6.50 MB
L3-Cache16.00 MB12.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core i9-9900KIntel Core i5-1230U
GPU nameIntel UHD Graphics 630Intel Iris Xe Graphics 80 (Alder Lake)
GPU frequency0.35 - 1.20 GHz0.25 - 0.90 GHz
CUs / Shader24 / 19280 / 640
Raytracing
Max. displays34
Max. GPU Memory64 GB32 GB
Technology14 nm10 nm
Release dateQ4/2017Q1/2022

NPU AI performance

Wischen
Intel Core i9-9900KIntel Core i5-1230U
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Core i9-9900KIntel Core i5-1230U
MemoryDDR4-2666 (42.7 GB/s)
LPDDR5-5200 (83.2 GB/s)
DDR5-4800 (76.8 GB/s)
LPDDR4X-4266 (68.2 GB/s)
DDR4-3200 (51.2 GB/s)
Max. Memory128 GB64 GB
Memory channels22
ECCNoNo
PCIe3.0 x 164.0 x 28
PCIe Bandwidth15.8 GB/s55.1 GB/s

Thermal Management

Wischen
Intel Core i9-9900KIntel Core i5-1230U
TDP95 W9 W
TDP (PL2)119 W @ 28 s29 W
TDP up
TDP down
T. junction max.100 °C100 °C

Technical details

Wischen
Intel Core i9-9900KIntel Core i5-1230U
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 10, Windows 11, LinuxWindows 10, Windows 11, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsSSE4.1, SSE4.2, AVX2SSE4.1, SSE4.2, AVX2
Release dateQ4/2018Q1/2022
Release price650 $
DocumentsTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i9-9900K is 4.2 stars (111 ratings), while Intel Core i5-1230U has received 3.7 stars (6 ratings).

Click on the stars to rate one or both processors.

Intel Core i9-9900K
Intel Core i9-9900K
8C / 16T · 3.60 - 5.00 GHz
Intel Core i5-1230U
Intel Core i5-1230U
10C / 12T · 1.00 - 4.40 GHz

Most popular CPUs in both categories

Intel Core i9-9900K
Intel Core i9-9900K
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