Intel Xeon E5 2603 v3 vs Xeon 6523P B
We compared two server CPUs: Intel Xeon E5 2603 v3 with 6 cores 1.6GHz and Xeon 6523P B with 24 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon E5 2603 v3 's Advantages
Lower TDP (85W vs 175W)
Xeon 6523P B 's Advantages
Released 10 years and 5 months late
Higher specification of memory (5600 vs 1600)
Newer PCIe version (5 vs 3)
Higher base frequency (2.5GHz vs 1.6GHz)
Larger L3 cache size (96MB vs 15MB)
More modern manufacturing process (5nm vs 22nm)
Score
General Parameters
Sep 2014
Release Date
Feb 2025
Intel
Manufacturer
Intel
Server
Type
Server
Haswell-EP
Core Architecture
Granite Rapids
Intel Socket 2011-3
Socket
Intel BGA 4368
N/A
Integrated Graphics
N/A
Xeon E5 (Haswell-EP)
Generation
Xeon 6 (Granite Rapids-D)
Package
2.6 billions
Transistor Count
-
22 nm
Manufacturing Process
5 nm
85 W
Power Consumption
175 W
Intel
Foundry
Intel
356 mm²
Die Size
598 mm²
-
I/O Process Size
10 nm
CPU Performance
1.6 GHz
Performance Core Base Frequency
2.5 GHz
0
Performance Core Turbo Frequency
3.9 GHz
6
Total Core Count
24
6
Total Thread Count
48
100 MHz
Bus Frequency
100 MHz
16.0
Multiplier
25.0
64 K per core
L1 Cache
112 KB per core
256 K per core
L2 Cache
2 MB per core
15 MB shared
L3 Cache
96 MB shared
No
Unlocked Multiplier
No
2
SMP
1
-
AVX-512 FMA Ports
2
Memory Parameters
DDR4-1600
Memory Types
DDR5-5600
-
Max Memory Size
1.13 TB
4
Max Memory Channels
4
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
5
40
PCIe Lanes
32
