Home Comparison Intel Xeon E5640 vs Intel Xeon D 1581

Intel Xeon E5640 vs Intel Xeon D 1581

Intel Xeon E5640
VS
Intel Xeon D 1581
Intel Xeon E5640
Intel Xeon D-1581
We compared two server CPUs: Intel Xeon E5640 with 4 cores 2.666GHz and Intel Xeon D 1581 with 16 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5640 's Advantages
Higher base frequency (2.666GHz vs 1.8GHz)
Larger L3 cache size (12MB vs 1.5MB)
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)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E5640
437
Intel Xeon D 1581 +57%
690
Geekbench 6 Multi Core
Intel Xeon E5640
2456
Intel Xeon D 1581 +105%
5058
Intel Xeon E5640
VS
Intel Xeon D 1581

General Parameters

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

Package

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

CPU Performance

2.666 GHz
Performance Core Base Frequency
1.8 GHz
2.933 GHz
Performance Core Turbo Frequency
2.4 GHz
4
Total Core Count
16
8
Total Thread Count
32
133 MHz
Bus Frequency
100 MHz
20.0
Multiplier
18.0
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
1.5 MB per core
No
Unlocked Multiplier
No
2
SMP
1

Memory Parameters

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

Miscellaneous

2
PCIe Version
3
-
PCIe Lanes
24

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