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Comparison
Intel Xeon X5647 vs Intel Xeon E5 2643 v2
Intel Xeon X5647 vs Intel Xeon E5 2643 v2
VS
Intel Xeon X5647
Intel Xeon E5 2643 v2
We compared two server CPUs: Intel Xeon X5647 with 4 cores 2.933GHz and Intel Xeon E5 2643 v2 with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon E5 2643 v2 's Advantages
Released 2 years and 7 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3.5GHz vs 2.933GHz)
Larger L3 cache size (15MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)
Score
Benchmark
Geekbench 6 Single Core
Intel Xeon X5647
530
Intel Xeon E5 2643 v2
+9%
581
Geekbench 6 Multi Core
Intel Xeon X5647
1606
Intel Xeon E5 2643 v2
+91%
3083
Intel Xeon X5647
VS
Intel Xeon E5 2643 v2
General Parameters
Feb 2011
Release Date
Sep 2013
Intel
Manufacturer
Intel
Server
Type
Server
Westmere-EP
Core Architecture
Ivy Bridge-EP
Intel Socket 1366
Socket
Intel Socket 2011
N/A
Integrated Graphics
N/A
Xeon (Westmere-EP)
Generation
Xeon E5 (Ivy Bridge-EP)
Package
1.17 billions
Transistor Count
1.4 billions
32 nm
Manufacturing Process
22 nm
Intel Socket 1366
Socket
Intel Socket 2011
130 W
Power Consumption
130 W
Intel
Foundry
Intel
239 mm²
Die Size
160 mm²
FC-LGA10
Package
-
CPU Performance
2.933 GHz
Performance Core Base Frequency
3.5 GHz
3.2 GHz
Performance Core Turbo Frequency
0
4
Total Core Count
6
8
Total Thread Count
12
133 MHz
Bus Frequency
100 MHz
22.0
Multiplier
35.0
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
15 MB shared
No
Unlocked Multiplier
No
2
SMP
2
Memory Parameters
DDR3
Memory Types
DDR3
3
Max Memory Channels
4
Yes
ECC Memory Support
Yes
Miscellaneous
2
PCIe Version
3
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