Intel Xeon E5 2666 v3 vs Xeon L5408
We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Xeon L5408 with 4 cores 2.133GHz . 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
Released 6 years and 9 months late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.9GHz vs 2.133GHz)
More modern manufacturing process (22nm vs 45nm)
Xeon L5408 's Advantages
Lower TDP (40W vs 135W)
Score
Benchmark
Geekbench 6 Single Core
Intel Xeon E5 2666 v3
+210%
1046
Xeon L5408
337
Geekbench 6 Multi Core
Intel Xeon E5 2666 v3
+556%
6173
Xeon L5408
941
General Parameters
Nov 2014
Release Date
Feb 2008
Intel
Manufacturer
Intel
Server
Type
Server
Haswell-EP
Core Architecture
Harpertown
Intel Socket 2011-3
Socket
Intel Socket 771
N/A
Integrated Graphics
N/A
Xeon E5 (Haswell-EP)
Generation
Xeon (Harpertown)
Package
2.6 billions
Transistor Count
0.82 billions
22 nm
Manufacturing Process
45 nm
135 W
Power Consumption
40 W
Intel
Foundry
Intel
356 mm²
Die Size
2x107 mm²
CPU Performance
2.9 GHz
Performance Core Base Frequency
2.133 GHz
3.5 GHz
Performance Core Turbo Frequency
0
10
Total Core Count
4
20
Total Thread Count
4
100 MHz
Bus Frequency
266 MHz
29.0
Multiplier
8.0
64 K per core
L1 Cache
64 KB per core
256 K per core
L2 Cache
6 MB per die
25 MB shared
L3 Cache
-
No
Unlocked Multiplier
No
2
SMP
2
Memory Parameters
DDR4-2133,DDR3-2133
Memory Types
DDR2, DDR3
Depends on motherboard
4
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
2
40
PCIe Lanes
-
