Intel Xeon E5645 vs Intel Atom x7835RE

VS

Intel Xeon E5645

Intel Atom x7835RE

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Intel Atom x7835RE with 8 cores 1.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Higher base frequency (2.4GHz vs 1.3GHz)

Larger L3 cache size (12MB vs 6MB)

Intel Atom x7835RE '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)

Score

Intel Xeon E5645

VS

Intel Atom x7835RE

General Parameters

Mar 2010

Release Date

Apr 2024

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Amston Lake

Intel Socket 1366

Socket

Intel BGA 1264

N/A

Integrated Graphics

UHD Graphics 32EU

Xeon (Westmere-EP)

Generation

Atom (Gracemont)

Package

1.17 billions

Transistor Count

-

32 nm

Manufacturing Process

10 nm

80 W

Power Consumption

12 W

Intel

Foundry

Intel

239 mm²

Die Size

-

CPU Performance

2.4 GHz

Performance Core Base Frequency

1.3 GHz

2.666 GHz

Performance Core Turbo Frequency

3.6 GHz

6

Total Core Count

8

12

Total Thread Count

8

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

13.0

64 K per core

L1 Cache

96 KB per core

256 K per core

L2 Cache

2 MB per module

12 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR4-3200, DDR5-4800

-

Max Memory Size

16 GB

3

Max Memory Channels

1

-

Max Memory Bandwidth

38.4 GB/s

Yes

ECC Memory Support

No

Miscellaneous

-

Official Website

Intel Atom x7835RE

2

PCIe Version

3

-

PCIe Lanes

9

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