Intel Xeon E3 1275 v5 vs Ryzen 5 PRO 7645

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We compared two server CPUs: Intel Xeon E3 1275 v5 with 4 cores 3.6GHz 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 7 years and 8 months late

Higher specification of memory (DDR5-5200 vs DDR3)

Newer PCIe version (5 vs 3)

Higher base frequency (3.8GHz vs 3.6GHz)

Larger L3 cache size (32MB vs 8MB)

Lower TDP (65W vs 80W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1275 v5

1347

Ryzen 5 PRO 7645 +106%

2782

Geekbench 6 Multi Core

Intel Xeon E3 1275 v5

4527

Ryzen 5 PRO 7645 +173%

12396

Intel Xeon E3 1275 v5

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Ryzen 5 PRO 7645

General Parameters

Oct 2015

Release Date

Jun 2023

Intel

Manufacturer

AMD

Server

Type

Server

Skylake-DT

Core Architecture

Raphael

Intel Socket 1151

Socket

AMD Socket AM5

HD Graphics P530

Integrated Graphics

Radeon Graphics

Xeon E3 (Skylake-DT)

Generation

Ryzen 5 (Zen 4 (Raphael))

Package

1.75 billions

Transistor Count

6.57 billions

14 nm

Manufacturing Process

5 nm

Intel Socket 1151

Socket

AMD Socket AM5

80 W

Power Consumption

65 W

-

Peak Operating Temperature

61 °C

Intel

Foundry

TSMC

122 mm²

Die Size

71 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

122 mm²

FC-LGA14C

Package

FC-LGA1718

CPU Performance

3.6 GHz

Performance Core Base Frequency

3.8 GHz

4 GHz

Performance Core Turbo Frequency

5.1 GHz

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

36.0

Multiplier

38.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

1 MB per core

8 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3,

Memory Types

DDR5-5200

2

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

5

16

PCIe Lanes

24

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