AMD Ryzen 7 5800X3D vs Intel Core i7 6900K

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We compared two desktop CPUs: AMD Ryzen 7 5800X3D with 8 cores 3.4GHz 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 5800X3D 's Advantages

Released 5 years and 10 months late

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

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.4GHz vs 3.2GHz)

Larger L3 cache size (96MB 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 5800X3D +28%

1476

Intel Core i7 6900K

1151

Cinebench R23 Multi Core

AMD Ryzen 7 5800X3D +28%

14514

Intel Core i7 6900K

11326

Geekbench 6 Single Core

AMD Ryzen 7 5800X3D +66%

2144

Intel Core i7 6900K

1286

Geekbench 6 Multi Core

AMD Ryzen 7 5800X3D +52%

11358

Intel Core i7 6900K

7470

Blender

AMD Ryzen 7 5800X3D +99%

261

Intel Core i7 6900K

131

Geekbench 5 Single Core

AMD Ryzen 7 5800X3D +69%

1628

Intel Core i7 6900K

961

Geekbench 5 Multi Core

AMD Ryzen 7 5800X3D +58%

11614

Intel Core i7 6900K

7327

Passmark CPU Single Core

AMD Ryzen 7 5800X3D +38%

3196

Intel Core i7 6900K

2310

Passmark CPU Multi Core

AMD Ryzen 7 5800X3D +97%

28112

Intel Core i7 6900K

14258

AMD Ryzen 7 5800X3D

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Intel Core i7 6900K

General Parameters

Mar 2022

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

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

3.4 GHz

Performance Core Base Frequency

3.2 GHz

4.5 GHz

Performance Core Turbo Frequency

3.7 GHz

8

Total Core Count

8

16

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

34x

Multiplier

32x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

96 MB shared

L3 Cache

20 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-3200, DDR4-2933, DDR4-2667

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 5800X3D

Official Website

Intel Core i7 6900K

4.0

PCIe Version

3.0

20

PCIe Lanes

40

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