Intel Xeon E5645 vs Ryzen 5 PRO 7645

VS

Intel Xeon E5645

AMD Ryzen 5 PRO 7645

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Ryzen 5 PRO 7645 with 6 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Ryzen 5 PRO 7645 's Advantages

Released 13 years and 3 months late

Higher specification of memory (5200 vs 3)

Newer PCIe version (5 vs 2)

Higher base frequency (3.8GHz vs 2.4GHz)

Larger L3 cache size (32MB vs 12MB)

More modern manufacturing process (5nm vs 32nm)

Lower TDP (65W vs 80W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5645

425

Ryzen 5 PRO 7645 +554%

2782

Geekbench 6 Multi Core

Intel Xeon E5645

3117

Ryzen 5 PRO 7645 +297%

12396

Intel Xeon E5645

VS

Ryzen 5 PRO 7645

General Parameters

Mar 2010

Release Date

Jun 2023

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Raphael

Intel Socket 1366

Socket

AMD Socket AM5

N/A

Integrated Graphics

Radeon Graphics

Xeon (Westmere-EP)

Generation

Ryzen 5 (Zen 4 (Raphael))

Package

1.17 billions

Transistor Count

6.57 billions

32 nm

Manufacturing Process

5 nm

80 W

Power Consumption

65 W

-

Peak Operating Temperature

61 °C

Intel

Foundry

TSMC

239 mm²

Die Size

71 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

122 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

3.8 GHz

2.666 GHz

Performance Core Turbo Frequency

5.1 GHz

6

Total Core Count

6

12

Total Thread Count

12

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

38.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

1 MB per core

12 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR5-5200

3

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

5

-

PCIe Lanes

24

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