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Intel Xeon Platinum 8558

Intel Xeon Platinum 8558
Intel Xeon Platinum 8558 is a Server processor from Intel. It began to be released in December 2023. The CPU belongs to the Emerald Rapids family. It has a frequency of 2.1 GHz. The processor has 48 cores and 96 threads. And the processor is also made using 7 nm technology. Its characteristics, as well as benchmark results, are presented in more detail below.
Top Server CPU: 57

Basic

Label Name
Intel
Platform
Server
Launch Date
December 2023
Model Name
?
The Intel processor number is just one of several factors - along with processor brand, system configurations, and system-level benchmarks - to be considered when choosing the right processor for your computing needs.
Xeon Platinum 8558
Code Name
Emerald Rapids
Foundry
Intel
Generation
Xeon Platinum (Emerald Rapids-SP)

CPU Specifications

Total Cores
?
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
48
Total Threads
?
Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.
96
Performance-core Base Frequency
2.1 GHz
Performance-core Max Turbo Frequency
?
Maximum P-core turbo frequency derived from Intel® Turbo Boost Technology.
4.0 GHz
L1 Cache
80K per core
L2 Cache
2MB per core
L3 Cache
260MB
Bus Frequency
100MHz
Multiplier
21
Unlocked Multiplier
No
CPU Socket
?
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
Intel Socket 4677
Technology
?
Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.
7 nm
TDP
330 W
Max. Operating Temperature
?
Junction Temperature is the maximum temperature allowed at the processor die.
98 °C
PCIe Version
?
PCI Express is a high-speed serial computer expansion bus standard used for connecting high-speed components, replacing older standards such as AGP, PCI, and PCI-X. It has gone through multiple revisions and improvements since its initial release. PCIe 1.0 was first introduced in 2002, and in order to meet the growing demand for higher bandwidth, subsequent versions have been released over time.
5

Memory Specifications

Memory Type
?
Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.
DDR5-5200
Max Memory Size
?
Max memory size refers to the maximum memory capacity supported by the processor.
4 TB
Memory Channels
?
The number of memory channels refers to the bandwidth operation for real world application.
8
ECC Memory Support
Yes

Miscellaneous

PCIe Lanes
80

Geekbench 6

Single Core
2165
Multi Core
16727

Performance

289.7
MB/Sec
File Compression
1140
11.5
Routes/Sec
Navigation
106.8
42.7
Pages/Sec
HTML5 Browser
419.7
46.8
MPixels/Sec
PDF Renderer
415.6
28.5
Images/Sec
Photo Library
351.5
9.92
KLines/Sec
Clang
193.6
163.1
Pages/Sec
Text Processing
188.9
63.8
MB/Sec
Asset Compression
966.8
90.3
Images/Sec
Object Detection
300
13.7
Images/Sec
Background Blur
54.2
69
MPixels/Sec
Horizon Detection
808.1
154.2
MPixels/Sec
Object Remover
1380
58.9
MPixels/Sec
HDR
433.8
20
Images/Sec
Photo Filter
125.5
1900
KPixels/Sec
Ray Tracer
52800
77.4
KPixels/Sec
Structure from Motion
722.6
Single Core
Multi Core

Compared to Other CPU

36%
63%
91%
Better then 36% CPU over the past year
Better then 63% CPU over the past 3 years
Better then 91% CPU

SiliconCat Rating

57
Ranks 57 among Server CPU on our website
133
Ranks 133 among all CPU on our website
Geekbench 6 Single Core
Core i7-13620H
Intel, January 2023
2321
Ryzen AI 9 HX PRO 370
AMD, October 2025
2237
Xeon Platinum 8558
Intel, December 2023
2165
Ryzen AI 7 PRO 350
AMD, March 2025
2099
Xeon E-2356G
Intel, September 2021
2008
Geekbench 6 Multi Core
23087
Core i9-14900F
Intel, January 2024
18838
Xeon Platinum 8558
Intel, December 2023
16727
Core Ultra 9 285H
Intel, December 2024
15017
Xeon Silver 4316
Intel, April 2021
13906