Intel Core i9 9940X vs Intel Core i7 9800X

VS

We compared two desktop CPUs: Intel Core i9 9940X with 14 cores 3.3GHz and Intel Core i7 9800X with 8 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 9940X 's Advantages

Larger memory bandwidth (85GB/s vs 79.47GB/s)

Larger L3 cache size (20MB vs 17MB)

Intel Core i7 9800X 's Advantages

Higher base frequency (3.8GHz vs 3.3GHz)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9940X

1228

Intel Core i7 9800X +1%

1251

Cinebench R23 Multi Core

Intel Core i9 9940X +18%

15351

Intel Core i7 9800X

12945

Geekbench 6 Single Core

Intel Core i9 9940X +1%

1328

Intel Core i7 9800X

1314

Geekbench 6 Multi Core

Intel Core i9 9940X +22%

9787

Intel Core i7 9800X

7991

Geekbench 5 Single Core

Intel Core i9 9940X

1189

Intel Core i7 9800X +3%

1225

Geekbench 5 Multi Core

Intel Core i9 9940X +48%

14374

Intel Core i7 9800X

9648

Passmark CPU Single Core

Intel Core i9 9940X +1%

2608

Intel Core i7 9800X

2573

Passmark CPU Multi Core

Intel Core i9 9940X +56%

28355

Intel Core i7 9800X

18121

Intel Core i9 9940X

VS

Intel Core i7 9800X

General Parameters

Oct 2018

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Skylake

i9-9940X

Processor Number

i7-9800X

LGA-2066

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-2066

165 W

Power Consumption

165 W

88 °C

Peak Operating Temperature

95 °C

CPU Performance

14

Performance Cores

8

28

Performance Core Threads

16

3.3 GHz

Performance Core Base Frequency

3.8 GHz

4.4 GHz

Performance Core Turbo Frequency

4.4 GHz

14

Total Core Count

8

28

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

38x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

20 MB shared

L3 Cache

17 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

4

85 GB/s

Max Memory Bandwidth

79.47 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 9940X

Official Website

Intel Core i7 9800X

3.0

PCIe Version

3.0

44

PCIe Lanes

44

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

Extended Instruction Set

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

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