Home Comparison Intel Xeon E3 1280 v5 vs Intel Xeon E5645

Intel Xeon E3 1280 v5 vs Intel Xeon E5645

Intel Xeon E3 1280 v5
VS
Intel Xeon E5645
Intel Xeon E3-1280 v5
Intel Xeon E5645
We compared two server CPUs: Intel Xeon E3 1280 v5 with 4 cores 3.7GHz and Intel Xeon E5645 with 6 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1280 v5 's Advantages
Released 5 years and 7 months late
Higher specification of memory (4 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.7GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E5645 's Advantages
Larger L3 cache size (12MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E3 1280 v5 +217%
1348
Intel Xeon E5645
425
Geekbench 6 Multi Core
Intel Xeon E3 1280 v5 +45%
4533
Intel Xeon E5645
3117
Intel Xeon E3 1280 v5
VS
Intel Xeon E5645

General Parameters

Oct 2015
Release Date
Mar 2010
Intel
Manufacturer
Intel
Server
Type
Server
Skylake-DT
Core Architecture
Westmere-EP
Intel Socket 1151
Socket
Intel Socket 1366
N/A
Integrated Graphics
N/A
Xeon E3 (Skylake-DT)
Generation
Xeon (Westmere-EP)

Package

1.75 billions
Transistor Count
1.17 billions
14 nm
Manufacturing Process
32 nm
80 W
Power Consumption
80 W
Intel
Foundry
Intel
122 mm²
Die Size
239 mm²

CPU Performance

3.7 GHz
Performance Core Base Frequency
2.4 GHz
4 GHz
Performance Core Turbo Frequency
2.666 GHz
4
Total Core Count
6
8
Total Thread Count
12
100 MHz
Bus Frequency
133 MHz
37.0
Multiplier
18.0
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
8 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
1
SMP
2

Memory Parameters

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

Miscellaneous

3
PCIe Version
2
16
PCIe Lanes
-

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