Intel Xeon 6766P-B vs Intel Xeon 636
CPU · Specs Compare
General Parameters
Release Date
Dec 2025
Feb 2026
Manufacturer
Intel
Intel
Type
Server
Server
Core Architecture
Granite Rapids
Granite Rapids
Integrated Graphics
N/A
N/A
Generation
Xeon 6 (Granite Rapids-D)
Xeon 600 (Granite Rapids-WS)
Package
Manufacturing Process
5 nm
5 nm
Socket
Intel BGA 5026
Intel Socket 4710
Power Consumption
305 W
170 W
Foundry
Intel
Intel
Die Size
2x598 mm²
598 mm²
I/O Process Size
10 nm
10 nm
Package
FC-BGA18N
FC-LGA18N
Peak Operating Temperature
—
101°C
I/O Die Size
—
2x 241
CPU Performance
Performance Core Base Frequency
2.3 GHz
3.5 GHz
Performance Core Turbo Frequency
3.5 GHz
4.7 GHz
Total Core Count
64
12
Total Thread Count
128
24
Bus Frequency
100 MHz
100 MHz
Multiplier
23.0
35.0
L1 Cache
112 KB per core
112 KB per core
L2 Cache
2 MB per core
2 MB per core
L3 Cache
256 MB shared
48 MB shared
Unlocked Multiplier
No
Yes
SMP
1
1
Memory Parameters
Memory Types
DDR5-6400
DDR5-6400
Max Memory Size
2.25 TB
—
Max Memory Channels
8
4
ECC Memory Support
Yes
Yes
Miscellaneous
PCIe Version
5
5
PCIe Lanes
32
80
▲ Specs Compare
Data sourced from official specifications and benchmark tests.