Intel Xeon E5 2665 vs Xeon E5420
We compared two server CPUs: Intel Xeon E5 2665 with 8 cores 2.4GHz and Xeon E5420 with 4 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 2665 Advantages
Released 4 years and 4 months late
Newer PCIe version (3 vs 2)
More modern manufacturing process (32nm vs 45nm)
Xeon E5420 Advantages
Higher specification of memory (3 vs 3)
Higher base frequency (2.5GHz vs 2.4GHz)
Lower TDP (80W vs 115W)
Score
Benchmark
Geekbench 6 Single Core
Intel Xeon E5 2665
+51%
554
Xeon E5420
365
Geekbench 6 Multi Core
Intel Xeon E5 2665
+344%
4680
Xeon E5420
1054
General Parameters
Mar 2012
Release Date
Nov 2007
Intel
Manufacturer
Intel
Server
Type
Server
Sandy Bridge-EP
Core Architecture
Harpertown
Intel Socket 2011
Socket
Intel Socket 771
N/A
Integrated Graphics
N/A
Xeon E5 (Sandy Bridge-EP)
Generation
Xeon (Harpertown)
Package
2.27 billions
Transistor Count
0.82 billions
32 nm
Manufacturing Process
45 nm
115 W
Power Consumption
80 W
Intel
Foundry
Intel
435 mm²
Die Size
2x107 mm²
CPU Performance
2.4 GHz
Performance Core Base Frequency
2.5 GHz
3.1 GHz
Performance Core Turbo Frequency
0
8
Total Core Count
4
16
Total Thread Count
4
100 MHz
Bus Frequency
333 MHz
24.0
Multiplier
7.5
64 K per core
L1 Cache
64 KB per core
256 K per core
L2 Cache
6 MB per die
20 MB shared
L3 Cache
-
No
Unlocked Multiplier
No
2
SMP
2
Memory Parameters
DDR3
Memory Types
DDR2, DDR3
Depends on motherboard
Depends on motherboard
4
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
2
