Intel Xeon E3 1275 v5 vs Intel Xeon Gold 6338T

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Intel Xeon E3-1275 v5

Intel Xeon Gold 6338T

We compared two server CPUs: Intel Xeon E3 1275 v5 with 4 cores 3.6GHz and Intel Xeon Gold 6338T with 24 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1275 v5 's Advantages

Higher base frequency (3.6GHz vs 2.1GHz)

Lower TDP (80W vs 165W)

Intel Xeon Gold 6338T 's Advantages

Released 5 years and 6 months late

Higher specification of memory (3200 vs 2133)

Newer PCIe version (4 vs 3)

Larger L3 cache size (36MB vs 8MB)

More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1275 v5 +1%

1347

Intel Xeon Gold 6338T

1324

Geekbench 6 Multi Core

Intel Xeon E3 1275 v5 +17%

4527

Intel Xeon Gold 6338T

3862

Intel Xeon E3 1275 v5

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Intel Xeon Gold 6338T

General Parameters

Oct 2015

Release Date

Apr 2021

Intel

Manufacturer

Intel

Server

Type

Server

Skylake-DT

Core Architecture

Ice Lake-SP

Intel Socket 1151

Socket

Intel Socket 4189

HD Graphics P530

Integrated Graphics

N/A

Xeon E3 (Skylake-DT)

Generation

Xeon Gold (Ice Lake-SP)

Package

1.75 billions

Transistor Count

-

14 nm

Manufacturing Process

10 nm

80 W

Power Consumption

165 W

-

Peak Operating Temperature

87 °C

Intel

Foundry

Intel

122 mm²

Die Size

-

CPU Performance

3.6 GHz

Performance Core Base Frequency

2.1 GHz

4 GHz

Performance Core Turbo Frequency

3.4 GHz

4

Total Core Count

24

8

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

36.0

Multiplier

21.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

1 MB per core

8 MB shared

L3 Cache

36 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,DDR4-2133

Memory Types

DDR4-3200

2

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

16

PCIe Lanes

64

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