Home Comparison Intel Xeon E5 2666 v3 vs Xeon E7 2850

Intel Xeon E5 2666 v3 vs Xeon E7 2850

Intel Xeon E5 2666 v3
VS
Xeon E7 2850
Intel Xeon E5-2666 v3
Intel Xeon E7-2850
We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Xeon E7 2850 with 10 cores 2GHz . 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 3 years and 7 months late
Higher specification of memory (2133 vs 1333)
Higher base frequency (2.9GHz vs 2GHz)
Larger L3 cache size (25MB vs 24MB)
More modern manufacturing process (22nm vs 32nm)
Xeon E7 2850 's Advantages
Lower TDP (130W vs 135W)

Score

VS

General Parameters

Nov 2014
Release Date
Apr 2011
Intel
Manufacturer
Intel
Server
Type
Server
Haswell-EP
Core Architecture
Westmere-EX
Intel Socket 2011-3
Socket
Intel Socket 1567
N/A
Integrated Graphics
N/A
Xeon E5 (Haswell-EP)
Generation
Xeon E7(Westmere-EX)

Package

2.6 billions
Transistor Count
2.6 billions
22 nm
Manufacturing Process
32 nm
135 W
Power Consumption
130 W
Intel
Foundry
Intel
356 mm²
Die Size
513 mm²

CPU Performance

2.9 GHz
Performance Core Base Frequency
2 GHz
3.5 GHz
Performance Core Turbo Frequency
2.4 GHz
10
Total Core Count
10
20
Total Thread Count
20
100 MHz
Bus Frequency
133 MHz
29.0
Multiplier
15.0
64 K per core
L1 Cache
64 KB per core
256 K per core
L2 Cache
256 KB per core
25 MB shared
L3 Cache
24 MB shared
No
Unlocked Multiplier
No
2
SMP
2

Memory Parameters

DDR4-2133,DDR3-2133
Memory Types
DDR3-1333
4
Max Memory Channels
4
Yes
ECC Memory Support
Yes

Miscellaneous

3
PCIe Version
-
40
PCIe Lanes
-

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