Intel Atom x7405C vs Intel Xeon E5640

VS

Intel Atom x7405C

Intel Xeon E5640

We compared two server CPUs: Intel Atom x7405C with 4 cores 1.7GHz and Intel Xeon E5640 with 4 cores 2.666GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Atom x7405C 's Advantages

Released 14 years and 1 months late

Higher specification of memory (4800 vs 3)

Newer PCIe version (3 vs 2)

More modern manufacturing process (10nm vs 32nm)

Lower TDP (12W vs 80W)

Intel Xeon E5640 's Advantages

Higher base frequency (2.666GHz vs 1.7GHz)

Larger L3 cache size (12MB vs 6MB)

Score

Intel Atom x7405C

VS

Intel Xeon E5640

General Parameters

Apr 2024

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Amston Lake

Core Architecture

Westmere-EP

Intel BGA 1264

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Atom (Gracemont)

Generation

Xeon (Westmere-EP)

Package

-

Transistor Count

1.17 billions

10 nm

Manufacturing Process

32 nm

12 W

Power Consumption

80 W

Intel

Foundry

Intel

-

Die Size

239 mm²

CPU Performance

1.7 GHz

Performance Core Base Frequency

2.666 GHz

3.4 GHz

Performance Core Turbo Frequency

2.933 GHz

4

Total Core Count

4

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

17.0

Multiplier

20.0

96 KB per core

L1 Cache

64 K per core

2 MB shared

L2 Cache

256 K per core

6 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR4-3200, DDR5-4800

Memory Types

DDR3

32 GB

Max Memory Size

-

1

Max Memory Channels

3

38.4 GB/s

Max Memory Bandwidth

-

No

ECC Memory Support

Yes

Miscellaneous

Intel Atom x7405C

Official Website

-

3

PCIe Version

2

9

PCIe Lanes

-

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