AMD Ryzen 7 5800X vs Intel Core i7 6900K

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We compared two desktop CPUs: AMD Ryzen 7 5800X with 8 cores 3.8GHz and Intel Core i7 6900K with 8 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 5800X '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 (3.8GHz vs 3.2GHz)

Larger L3 cache size (32MB vs 20MB)

Lower TDP (105W vs 140W)

Intel Core i7 6900K 's Advantages

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

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 5800X +38%

1596

Intel Core i7 6900K

1151

Cinebench R23 Multi Core

AMD Ryzen 7 5800X +34%

15228

Intel Core i7 6900K

11326

Geekbench 6 Single Core

AMD Ryzen 7 5800X +73%

2230

Intel Core i7 6900K

1286

Geekbench 6 Multi Core

AMD Ryzen 7 5800X +37%

10279

Intel Core i7 6900K

7470

Geekbench 5 Single Core

AMD Ryzen 7 5800X +68%

1623

Intel Core i7 6900K

961

Geekbench 5 Multi Core

AMD Ryzen 7 5800X +44%

10572

Intel Core i7 6900K

7327

Passmark CPU Single Core

AMD Ryzen 7 5800X +49%

3443

Intel Core i7 6900K

2310

Passmark CPU Multi Core

AMD Ryzen 7 5800X +95%

27890

Intel Core i7 6900K

14258

AMD Ryzen 7 5800X

VS

Intel Core i7 6900K

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

i7-6900K

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

8

Performance Cores

8

16

Performance Core Threads

16

3.8 GHz

Performance Core Base Frequency

3.2 GHz

4.7 GHz

Performance Core Turbo Frequency

3.7 GHz

8

Total Core Count

8

16

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

32x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

32 MB shared

L3 Cache

20 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 7 5800X

Official Website

Intel Core i7 6900K

4.0

PCIe Version

3.0

20

PCIe Lanes

40

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