Home Comparison Intel Xeon E5 2643 vs Intel Xeon E3 1280 v2

Intel Xeon E5 2643 vs Intel Xeon E3 1280 v2

Intel Xeon E5 2643
VS
Intel Xeon E3 1280 v2
Intel Xeon E5 2643 Intel Xeon E3 1280 v2
We compared two server CPUs: Intel Xeon E5 2643 with 4 cores 3.3GHz and Intel Xeon E3 1280 v2 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 E5 2643 's Advantages
Larger L3 cache size (10MB vs 8MB)
Intel Xeon E3 1280 v2 's Advantages
Higher base frequency (3.6GHz vs 3.3GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (69W vs 130W)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E5 2643 +77%
1143
Intel Xeon E3 1280 v2
644
Geekbench 6 Multi Core
Intel Xeon E5 2643 +109%
4836
Intel Xeon E3 1280 v2
2306
Intel Xeon E5 2643
VS
Intel Xeon E3 1280 v2

General Parameters

Mar 2012
Release Date
May 2012
Intel
Manufacturer
Intel
Server
Type
Server
Sandy Bridge-EP
Core Architecture
Ivy Bridge
Intel Socket 2011
Socket
Intel Socket 1155
N/A
Integrated Graphics
N/A
Xeon E5 (Sandy Bridge-EP)
Generation
Xeon E3 (Ivy Bridge)

Package

1.27 billions
Transistor Count
1.4 billions
32 nm
Manufacturing Process
22 nm
Intel Socket 2011
Socket
Intel Socket 1155
130 W
Power Consumption
69 W
Intel
Foundry
Intel
294 mm²
Die Size
160 mm²
FC-LGA10
Package
FC-LGA12C

CPU Performance

3.3 GHz
Performance Core Base Frequency
3.6 GHz
3.5 GHz
Performance Core Turbo Frequency
4 GHz
4
Total Core Count
4
8
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
33.0
Multiplier
36.0
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
8 MB shared
No
Unlocked Multiplier
No
2
SMP
1

Memory Parameters

DDR3
Memory Types
DDR3
4
Max Memory Channels
2
Yes
ECC Memory Support
Yes

Miscellaneous

3
PCIe Version
3
-
PCIe Lanes
16

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