AMD Ryzen 9 5900X vs Intel Core i7 6800K

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We compared two desktop CPUs: AMD Ryzen 9 5900X with 12 cores 3.7GHz and Intel Core i7 6800K with 6 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 5900X 's Advantages

Released 4 years and 5 months late

Higher specification of memory (DDR4-3200 vs DDR4-2133)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.7GHz vs 3.4GHz)

Larger L3 cache size (64MB vs 15MB)

Lower TDP (105W vs 140W)

Intel Core i7 6800K 's Advantages

Larger memory bandwidth (76.8GB/s vs 47.68GB/s)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 5900X +75%

1670

Intel Core i7 6800K

951

Cinebench R23 Multi Core

AMD Ryzen 9 5900X +232%

22046

Intel Core i7 6800K

6632

Geekbench 6 Single Core

AMD Ryzen 9 5900X +63%

2235

Intel Core i7 6800K

1363

Geekbench 6 Multi Core

AMD Ryzen 9 5900X +93%

12589

Intel Core i7 6800K

6495

Geekbench 5 Single Core

AMD Ryzen 9 5900X +77%

1639

Intel Core i7 6800K

922

Geekbench 5 Multi Core

AMD Ryzen 9 5900X +153%

14023

Intel Core i7 6800K

5537

Passmark CPU Single Core

AMD Ryzen 9 5900X +52%

3470

Intel Core i7 6800K

2269

Passmark CPU Multi Core

AMD Ryzen 9 5900X +264%

39196

Intel Core i7 6800K

10740

AMD Ryzen 9 5900X

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Intel Core i7 6800K

General Parameters

Oct 2020

Release Date

May 2016

Amd

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 3 (Vermeer)

Core Architecture

Broadwell E

-

Processor Number

i7-6800K

AM4

Socket

LGA-2011-3

No

Integrated Graphics

N/A

Package

4.15 billions

Transistor Count

-

7 nm

Manufacturing Process

14 nm

AM4

Socket

LGA-2011-3

105 W

Power Consumption

140 W

90°C

Peak Operating Temperature

-

CPU Performance

12

Performance Cores

6

24

Performance Core Threads

12

3.7 GHz

Performance Core Base Frequency

3.4 GHz

4.8 GHz

Performance Core Turbo Frequency

3.6 GHz

12

Total Core Count

6

24

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

37x

Multiplier

34x

64 K per core

L1 Cache

32 K per core

512 K per core

L2 Cache

256 K per core

64 MB shared

L3 Cache

15 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-3200

Memory Types

DDR4-2133

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

47.68 GB/s

Max Memory Bandwidth

76.8 GB/s

Yes

ECC Memory Support

No

Miscellaneous

AMD Ryzen 9 5900X

Official Website

Intel Core i7 6800K

4.0

PCIe Version

3.0

20

PCIe Lanes

28

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