Home Comparison Intel Xeon D 1581 vs Intel Xeon E5645

Intel Xeon D 1581 vs Intel Xeon E5645

Intel Xeon D 1581
VS
Intel Xeon E5645
Intel Xeon D-1581
Intel Xeon E5645
We compared two server CPUs: Intel Xeon D 1581 with 16 cores 1.8GHz 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 D 1581 's Advantages
Released 5 years and 11 months late
Higher specification of memory (4 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (65W vs 80W)
Intel Xeon E5645 's Advantages
Higher base frequency (2.4GHz vs 1.8GHz)
Larger L3 cache size (12MB vs 1.5MB)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon D 1581 +62%
690
Intel Xeon E5645
425
Geekbench 6 Multi Core
Intel Xeon D 1581 +62%
5058
Intel Xeon E5645
3117
Intel Xeon D 1581
VS
Intel Xeon E5645

General Parameters

Feb 2016
Release Date
Mar 2010
Intel
Manufacturer
Intel
Server
Type
Server
Broadwell
Core Architecture
Westmere-EP
Intel BGA 1667
Socket
Intel Socket 1366
N/A
Integrated Graphics
N/A
Xeon D (Broadwell-DE)
Generation
Xeon (Westmere-EP)

Package

3.2 billions
Transistor Count
1.17 billions
14 nm
Manufacturing Process
32 nm
65 W
Power Consumption
80 W
80 °C
Peak Operating Temperature
-
Intel
Foundry
Intel
246 mm²
Die Size
239 mm²

CPU Performance

1.8 GHz
Performance Core Base Frequency
2.4 GHz
2.4 GHz
Performance Core Turbo Frequency
2.666 GHz
16
Total Core Count
6
32
Total Thread Count
12
100 MHz
Bus Frequency
133 MHz
18.0
Multiplier
18.0
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
1.5 MB per core
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
1
SMP
2

Memory Parameters

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

Miscellaneous

3
PCIe Version
2
24
PCIe Lanes
-

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