Intel Xeon E3 1275 vs Intel Xeon W 11855M

VS

Intel Xeon E3-1275

Intel Xeon W-11855M

We compared two server CPUs: Intel Xeon E3 1275 with 4 cores 3.4GHz and Intel Xeon W 11855M with 6 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1275 's Advantages

Higher base frequency (3.4GHz vs 3.2GHz)

Intel Xeon W 11855M 's Advantages

Released 10 years and 1 months late

Higher specification of memory (3200 vs 3)

Newer PCIe version (4 vs 3)

Larger L3 cache size (18MB vs 8MB)

More modern manufacturing process (10nm vs 32nm)

Lower TDP (35W vs 95W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1275

1347

Intel Xeon W 11855M +46%

1975

Geekbench 6 Multi Core

Intel Xeon E3 1275

4527

Intel Xeon W 11855M +79%

8115

Intel Xeon E3 1275

VS

Intel Xeon W 11855M

General Parameters

Apr 2011

Release Date

May 2021

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge

Core Architecture

Tiger Lake-H

Intel Socket 1155

Socket

Intel BGA 1787

Intel HD P3000

Integrated Graphics

UHD Graphics 750

Xeon E3 (Sandy Bridge)

Generation

Xeon (Tiger Lake-H)

Package

1.16 billions

Transistor Count

-

32 nm

Manufacturing Process

10 nm

95 W

Power Consumption

35 W

-

Peak Operating Temperature

72 °C

Intel

Foundry

Intel

216 mm²

Die Size

190 mm²

CPU Performance

3.4 GHz

Performance Core Base Frequency

3.2 GHz

3.8 GHz

Performance Core Turbo Frequency

4.9 GHz

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

34.0

Multiplier

32.0

64 K per core

L1 Cache

80 K per core

256 K per core

L2 Cache

1.25 MB per core

8 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3

Memory Types

DDR4-3200

2

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

16

PCIe Lanes

20

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