Home Comparison Intel Xeon E3 1265L v2 vs Xeon L5639

Intel Xeon E3 1265L v2 vs Xeon L5639

Intel Xeon E3 1265L v2
VS
Xeon L5639
Intel Xeon E3-1265L v2
Intel Xeon L5639
We compared two server CPUs: Intel Xeon E3 1265L v2 with 4 cores 2.5GHz and Xeon L5639 with 6 cores 2.133GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1265L v2 's Advantages
Released 1 years and 3 months late
Newer PCIe version (3 vs 2)
Higher base frequency (2.5GHz vs 2.133GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (45W vs 60W)
Xeon L5639 's Advantages
Higher specification of memory (1333 vs 3)
Larger L3 cache size (12MB vs 8MB)

Score

Intel Xeon E3 1265L v2
VS
Xeon L5639

General Parameters

May 2012
Release Date
Feb 2011
Intel
Manufacturer
Intel
Server
Type
Server
Ivy Bridge
Core Architecture
Westmere-EP
Intel Socket 1155
Socket
Intel Socket 1366
Intel HD 2500
Integrated Graphics
N/A
Xeon E3 (Ivy Bridge)
Generation
Xeon(Westmere-EP)

Package

1.4 billions
Transistor Count
1.17 billions
22 nm
Manufacturing Process
32 nm
45 W
Power Consumption
60 W
Intel
Foundry
Intel
160 mm²
Die Size
239 mm²

CPU Performance

2.5 GHz
Performance Core Base Frequency
2.133 GHz
3.5 GHz
Performance Core Turbo Frequency
2.667 GHz
4
Total Core Count
6
8
Total Thread Count
12
100 MHz
Bus Frequency
133 MHz
25.0
Multiplier
16.0
64 K per core
L1 Cache
64 KB per core
256 K per core
L2 Cache
256 KB per core
8 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
1
SMP
2

Memory Parameters

DDR3
Memory Types
DDR3-1333
2
Max Memory Channels
3
Yes
ECC Memory Support
Yes

Miscellaneous

3
PCIe Version
2
16
PCIe Lanes
-

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