Home Comparison Intel Xeon E5 2666 v3 vs Intel Xeon X5667

Intel Xeon E5 2666 v3 vs Intel Xeon X5667

Intel Xeon E5 2666 v3
VS
Intel Xeon X5667
Intel Xeon E5-2666 v3
Intel Xeon X5667
We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Intel Xeon X5667 with 4 cores 3.066GHz . 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 4 years and 8 months late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (25MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon X5667 's Advantages
Higher base frequency (3.066GHz vs 2.9GHz)
Lower TDP (95W vs 135W)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E5 2666 v3 +76%
1046
Intel Xeon X5667
591
Geekbench 6 Multi Core
Intel Xeon E5 2666 v3 +195%
6173
Intel Xeon X5667
2091
Intel Xeon E5 2666 v3
VS
Intel Xeon X5667

General Parameters

Nov 2014
Release Date
Mar 2010
Intel
Manufacturer
Intel
Server
Type
Server
Haswell-EP
Core Architecture
Westmere-EP
Intel Socket 2011-3
Socket
Intel Socket 1366
N/A
Integrated Graphics
N/A
Xeon E5 (Haswell-EP)
Generation
Xeon (Westmere-EP)

Package

2.6 billions
Transistor Count
1.17 billions
22 nm
Manufacturing Process
32 nm
135 W
Power Consumption
95 W
Intel
Foundry
Intel
356 mm²
Die Size
239 mm²

CPU Performance

2.9 GHz
Performance Core Base Frequency
3.066 GHz
3.5 GHz
Performance Core Turbo Frequency
3.466 GHz
10
Total Core Count
4
20
Total Thread Count
8
100 MHz
Bus Frequency
133 MHz
29.0
Multiplier
23.0
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
25 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
2
SMP
2

Memory Parameters

DDR4-2133,DDR3-2133
Memory Types
DDR3
4
Max Memory Channels
3
Yes
ECC Memory Support
Yes

Miscellaneous

3
PCIe Version
2
40
PCIe Lanes
-

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