Home Comparison Intel Xeon E5 2643 vs Intel Xeon E5 4640

Intel Xeon E5 2643 vs Intel Xeon E5 4640

Intel Xeon E5 2643
VS
Intel Xeon E5 4640
Intel Xeon E5-2643
Intel Xeon E5-4640
We compared two server CPUs: Intel Xeon E5 2643 with 4 cores 3.3GHz and Intel Xeon E5 4640 with 8 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2643 's Advantages
Higher base frequency (3.3GHz vs 2.4GHz)
Intel Xeon E5 4640 's Advantages
Larger L3 cache size (20MB vs 10MB)
Lower TDP (95W vs 130W)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E5 2643 +204%
1143
Intel Xeon E5 4640
375
Geekbench 6 Multi Core
Intel Xeon E5 2643 +634%
4836
Intel Xeon E5 4640
658
Intel Xeon E5 2643
VS
Intel Xeon E5 4640

General Parameters

Mar 2012
Release Date
May 2012
Intel
Manufacturer
Intel
Server
Type
Server
Sandy Bridge-EP
Core Architecture
Sandy Bridge-EP
Intel Socket 2011
Socket
Intel Socket 2011
N/A
Integrated Graphics
N/A
Xeon E5 (Sandy Bridge-EP)
Generation
Xeon E5 (Sandy Bridge-EP)

Package

1.27 billions
Transistor Count
2.27 billions
32 nm
Manufacturing Process
32 nm
130 W
Power Consumption
95 W
Intel
Foundry
Intel
294 mm²
Die Size
435 mm²

CPU Performance

3.3 GHz
Performance Core Base Frequency
2.4 GHz
3.5 GHz
Performance Core Turbo Frequency
2.8 GHz
4
Total Core Count
8
8
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
33.0
Multiplier
24.0
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
10 MB shared
L3 Cache
20 MB shared
No
Unlocked Multiplier
No
2
SMP
4

Memory Parameters

DDR3
Memory Types
DDR3
4
Max Memory Channels
4
Yes
ECC Memory Support
Yes

Miscellaneous

3
PCIe Version
3

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