Intel Xeon E5 2666 v3 vs Xeon 6507P
We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Xeon 6507P with 8 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon E5 2666 v3 's Advantages
Lower TDP (135W vs 150W)
Xeon 6507P 's Advantages
Released 10 years and 3 months late
Higher specification of memory (6400 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (3.5GHz vs 2.9GHz)
Larger L3 cache size (48MB vs 25MB)
More modern manufacturing process (5nm vs 22nm)
Score
General Parameters
Nov 2014
Release Date
Feb 2025
Intel
Manufacturer
Intel
Server
Type
Server
Haswell-EP
Core Architecture
Granite Rapids
Intel Socket 2011-3
Socket
Intel Socket 4710
N/A
Integrated Graphics
N/A
Xeon E5 (Haswell-EP)
Generation
Xeon 6 (Granite Rapids-SP)
Package
2.6 billions
Transistor Count
-
22 nm
Manufacturing Process
5 nm
135 W
Power Consumption
150 W
-
Peak Operating Temperature
103°C
Intel
Foundry
Intel
356 mm²
Die Size
-
-
I/O Process Size
10 nm
-
I/O Die Size
2x 241
CPU Performance
2.9 GHz
Performance Core Base Frequency
3.5 GHz
3.5 GHz
Performance Core Turbo Frequency
4.3 GHz
10
Total Core Count
8
20
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
29.0
Multiplier
35.0
64 K per core
L1 Cache
112 KB per core
256 K per core
L2 Cache
2 MB per core
25 MB shared
L3 Cache
48 MB shared
No
Unlocked Multiplier
No
2
SMP
2
-
AVX-512 FMA Ports
2
Memory Parameters
DDR4-2133,DDR3-2133
Memory Types
DDR5-6400
-
Max Memory Size
4 TB
4
Max Memory Channels
8
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
5
40
PCIe Lanes
88
