CPU
Intel Xeon 656
About
The Intel Xeon 656 is a server-class CPU manufactured by Intel, built on Intel's officially announced 10 nm process technology, released in February 2026. This processor features a 20-core 40-thread architecture design, with a base clock of 2.9 GHz and a maximum boost clock reaching up to 4.8 GHz, equipped with 72 MB shared of L3 cache, utilizing the Intel Socket 4710 socket. Overall specifications are targeted at server application scenarios.
Specifications
General Parameters
Release Date
Feb 2026
Manufacturer
Intel
Type
Server
Core Architecture
Granite Rapids
Integrated Graphics
N/A
Generation
Xeon 600 (Granite Rapids-WS)
Series
Intel Xeon 6 processors
Package
Manufacturing Process
5 nm
Socket
Intel Socket 4710
Power Consumption
210 W
Peak Operating Temperature
98°C
Foundry
Intel
Die Size
2x598 mm²
I/O Process Size
10 nm
I/O Die Size
2x 241
Package
FC-LGA18N
CPU Performance
Performance Cores
20
Performance Core Threads
40
Performance Core Base Frequency
2.9 GHz
Performance Core Turbo Frequency
4.8 GHz
Total Core Count
20
Total Thread Count
40
Bus Frequency
100 MHz
Multiplier
29.0
L1 Cache
112 KB per core
L2 Cache
2 MB per core
L3 Cache
72 MB shared
Unlocked Multiplier
Yes
SMP
1
Memory Parameters
Memory Types
DDR5-6400
Max Memory Size
4 TB
Max Memory Channels
8
Max Memory Bandwidth
409.6 GB/s
ECC Memory Support
Yes
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