Intel Xeon W 2145 vs Xeon E7 2820

VS

Intel Xeon W-2145

Intel Xeon E7-2820

We compared two server CPUs: Intel Xeon W 2145 with 8 cores 3.7GHz and Xeon E7 2820 with 8 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon W 2145 's Advantages

Released 6 years and 4 months late

Higher specification of memory (2666 vs 1333)

Higher base frequency (3.7GHz vs 2GHz)

More modern manufacturing process (14nm vs 32nm)

Xeon E7 2820 's Advantages

Larger L3 cache size (18MB vs 11MB)

Lower TDP (105W vs 140W)

Score

Intel Xeon W 2145

VS

Xeon E7 2820

General Parameters

Aug 2017

Release Date

Apr 2011

Intel

Manufacturer

Intel

Server

Type

Server

Skylake-W

Core Architecture

Westmere-EX

Intel Socket 2066

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Xeon W (Skylake-W)

Generation

Xeon E7(Westmere-EX)

Package

-

Transistor Count

2.6 billions

14 nm

Manufacturing Process

32 nm

140 W

Power Consumption

105 W

70 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

484 mm²

Die Size

513 mm²

CPU Performance

3.7 GHz

Performance Core Base Frequency

2 GHz

4.5 GHz

Performance Core Turbo Frequency

2.266 GHz

8

Total Core Count

8

16

Total Thread Count

16

100 MHz

Bus Frequency

133 MHz

37.0

Multiplier

15.0

64 K per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

256 KB per core

11 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

1

SMP

2

AVX-512 FMA Ports

-

Memory Parameters

DDR4-2666

Memory Types

DDR3-1333

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

48

PCIe Lanes

-

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