Pentium 1403 V2 vs Intel Core i7 7820X

VS

Intel Pentium 1403 V2

Intel Core i7 7820X

We compared two desktop CPUs: Pentium 1403 V2 with 2 cores 2.6GHz and Intel Core i7 7820X with 8 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Pentium 1403 V2 's Advantages

Lower TDP (80W vs 140W)

Intel Core i7 7820X 's Advantages

Released 3 years and 4 months late

Higher specification of memory (2666 vs 1600)

Newer PCIe version (3.0 vs 3)

Higher base frequency (3.6GHz vs 2.6GHz)

Larger L3 cache size (11MB vs 6MB)

More modern manufacturing process (14nm vs 22nm)

Score

Benchmark

Geekbench 6 Single Core

Pentium 1403 V2

499

Intel Core i7 7820X +150%

1252

Geekbench 6 Multi Core

Pentium 1403 V2

895

Intel Core i7 7820X +739%

7510

Geekbench 5 Single Core

Pentium 1403 V2

564

Intel Core i7 7820X +98%

1120

Geekbench 5 Multi Core

Pentium 1403 V2

1045

Intel Core i7 7820X +713%

8504

Pentium 1403 V2

VS

Intel Core i7 7820X

General Parameters

Jan 2014

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

-

Instruction Set

x86-64

Ivy Bridge-EN

Core Architecture

Skylake

-

Processor Number

i7-7820X

Intel Socket 1356

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Pentium (Ivy Bridge)

Generation

-

Package

1.008 billions

Transistor Count

-

22 nm

Manufacturing Process

14 nm

80 W

Power Consumption

140 W

80 °C

Peak Operating Temperature

99 °C

Intel

Foundry

-

133 mm²

Die Size

-

CPU Performance

-

Performance Cores

8

-

Performance Core Threads

16

2.6 GHz

Performance Core Base Frequency

3.6 GHz

0

Performance Core Turbo Frequency

4.3 GHz

2

Total Core Count

8

2

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

26.0

Multiplier

36x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

1 MB per core

6 MB shared

L3 Cache

11 MB shared

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR3-1600

Memory Types

DDR4-2666

-

Max Memory Size

128 GB

3

Max Memory Channels

4

-

Max Memory Bandwidth

79.47 GB/s

Yes

ECC Memory Support

No

Miscellaneous

-

Official Website

Intel Core i7 7820X

3

PCIe Version

3.0

24

PCIe Lanes

28

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2, AVX-512

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