Home Comparison Intel Xeon E5 2666 v3 vs Opteron 6274

Intel Xeon E5 2666 v3 vs Opteron 6274

Intel Xeon E5 2666 v3
VS
Opteron 6274
Intel Xeon E5-2666 v3
AMD Opteron 6274
We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Opteron 6274 with 16 cores 2.2GHz . 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 late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.9GHz vs 2.2GHz)
Larger L3 cache size (25MB vs 16MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 6274 's Advantages
Lower TDP (115W vs 135W)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E5 2666 v3 +245%
1046
Opteron 6274
303
Geekbench 6 Multi Core
Intel Xeon E5 2666 v3 +221%
6173
Opteron 6274
1922
Intel Xeon E5 2666 v3
VS
Opteron 6274

General Parameters

Nov 2014
Release Date
Nov 2011
Intel
Manufacturer
AMD
Server
Type
Server
Haswell-EP
Core Architecture
Interlagos
Intel Socket 2011-3
Socket
AMD Socket G34
N/A
Integrated Graphics
N/A
Xeon E5 (Haswell-EP)
Generation
Opteron (Interlagos)

Package

2.6 billions
Transistor Count
2.4 billions
22 nm
Manufacturing Process
32 nm
135 W
Power Consumption
115 W
Intel
Foundry
-
356 mm²
Die Size
316 mm²

CPU Performance

2.9 GHz
Performance Core Base Frequency
2.2 GHz
3.5 GHz
Performance Core Turbo Frequency
3.1 GHz
10
Total Core Count
16
20
Total Thread Count
16
100 MHz
Bus Frequency
200 MHz
29.0
Multiplier
11.0
64 K per core
L1 Cache
768 K shared
256 K per core
L2 Cache
8.00391 MB per core
25 MB shared
L3 Cache
16 MB
No
Unlocked Multiplier
No
2
SMP
2

Memory Parameters

DDR4-2133,DDR3-2133
Memory Types
DDR3
4
Max Memory Channels
Yes
ECC Memory Support
No

Miscellaneous

3
PCIe Version
2
40
PCIe Lanes
-

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