Home Comparison Intel Xeon E5649 vs Intel Xeon E3 1280 v3

Intel Xeon E5649 vs Intel Xeon E3 1280 v3

Intel Xeon E5649
VS
Intel Xeon E3 1280 v3
Intel Xeon E5649
Intel Xeon E3-1280 v3
We compared two server CPUs: Intel Xeon E5649 with 6 cores 2.533GHz and Intel Xeon E3 1280 v3 with 4 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5649 's Advantages
Larger L3 cache size (12MB vs 8MB)
Lower TDP (80W vs 82W)
Intel Xeon E3 1280 v3 's Advantages
Released 2 years and 4 months late
Higher specification of memory (4 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.6GHz vs 2.533GHz)
More modern manufacturing process (22nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E5649
411
Intel Xeon E3 1280 v3 +198%
1226
Geekbench 6 Multi Core
Intel Xeon E5649
1727
Intel Xeon E3 1280 v3 +132%
4019
Intel Xeon E5649
VS
Intel Xeon E3 1280 v3

General Parameters

Feb 2011
Release Date
Jun 2013
Intel
Manufacturer
Intel
Server
Type
Server
Westmere-EP
Core Architecture
Haswell-WS
Intel Socket 1366
Socket
Intel Socket 1150
N/A
Integrated Graphics
N/A
Xeon (Westmere-EP)
Generation
Xeon E3 (Haswell-WS)

Package

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

CPU Performance

2.533 GHz
Performance Core Base Frequency
3.6 GHz
2.8 GHz
Performance Core Turbo Frequency
4 GHz
6
Total Core Count
4
12
Total Thread Count
8
133 MHz
Bus Frequency
100 MHz
19.0
Multiplier
36.0
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
12 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
2
SMP
1

Memory Parameters

DDR3
Memory Types
DDR3,DDR4
3
Max Memory Channels
2
Yes
ECC Memory Support
Yes

Miscellaneous

2
PCIe Version
3

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