Intel Xeon E5645 vs Xeon 6553P B
We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Xeon 6553P B with 36 cores 2.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon E5645 's Advantages
Lower TDP (80W vs 235W)
Xeon 6553P B 's Advantages
Released 14 years and 11 months late
Higher specification of memory (6400 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (2.6GHz vs 2.4GHz)
Larger L3 cache size (144MB vs 12MB)
More modern manufacturing process (5nm vs 32nm)
Score
General Parameters
Mar 2010
Release Date
Feb 2025
Intel
Manufacturer
Intel
Server
Type
Server
Westmere-EP
Core Architecture
Granite Rapids
Intel Socket 1366
Socket
Intel BGA 4368
N/A
Integrated Graphics
N/A
Xeon (Westmere-EP)
Generation
Xeon 6 (Granite Rapids-D)
Package
1.17 billions
Transistor Count
-
32 nm
Manufacturing Process
5 nm
80 W
Power Consumption
235 W
Intel
Foundry
Intel
239 mm²
Die Size
598 mm²
-
I/O Process Size
10 nm
CPU Performance
2.4 GHz
Performance Core Base Frequency
2.6 GHz
2.666 GHz
Performance Core Turbo Frequency
4 GHz
6
Total Core Count
36
12
Total Thread Count
72
133 MHz
Bus Frequency
100 MHz
18.0
Multiplier
26.0
64 K per core
L1 Cache
112 KB per core
256 K per core
L2 Cache
2 MB per core
12 MB shared
L3 Cache
144 MB shared
No
Unlocked Multiplier
No
2
SMP
1
-
AVX-512 FMA Ports
2
Memory Parameters
DDR3
Memory Types
DDR5-6400
-
Max Memory Size
1.13 TB
3
Max Memory Channels
4
Yes
ECC Memory Support
Yes
Miscellaneous
2
PCIe Version
5
-
PCIe Lanes
32
