Intel Xeon 638
The Intel Xeon 638 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 16-core 32-thread architecture design, with a base clock of 3.2 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.
Manufacturing Process
5 nm
Core Architecture
Granite Rapids
Total Thread Count
32
Performance Core Turbo Frequency
4.8 GHz
Performance Core Base Frequency
3.2 GHz
Power Consumption
180 W
L1 Cache
112 KB per core
Socket
Intel Socket 4710
General Parameters
Release Date
Feb 2026
Manufacturer
Intel
Type
Server
Core Architecture
Granite Rapids
Integrated Graphics
i
N/A
Generation
Xeon 600 (Granite Rapids-WS)
Package
Manufacturing Process
5 nm
Socket
Intel Socket 4710
Power Consumption
180 W
Peak Operating Temperature
100°C
Foundry
Intel
Die Size
598 mm²
I/O Process Size
10 nm
I/O Die Size
2x 241
Package
FC-LGA18N
CPU Performance
Performance Core Base Frequency
3.2 GHz
Performance Core Turbo Frequency
4.8 GHz
Total Core Count
16
Total Thread Count
32
Bus Frequency
100 MHz
Multiplier
32.0
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 Channels
4
ECC Memory Support
Yes
Miscellaneous
PCIe Version
i
5
PCIe Lanes
80