Intel Core i7 6700K vs AMD Ryzen 9 3900XT

VS

Intel Core i7 6700K

AMD Ryzen 9 3900XT

We compared two desktop CPUs: Intel Core i7 6700K with 4 cores 4.0GHz and AMD Ryzen 9 3900XT with 12 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 6700K 's Advantages

Integrated graphics card

Higher base frequency (4.0GHz vs 3.8GHz)

Lower TDP (91W vs 105W)

AMD Ryzen 9 3900XT 's Advantages

Released 4 years and 11 months late

Higher specification of memory (3200 vs 2133)

Larger memory bandwidth (47.68GB/s vs 34.1GB/s)

Newer PCIe version (4.0 vs 3.0)

Larger L3 cache size (64MB vs 8MB)

More modern manufacturing process (7nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 6700K

1129

AMD Ryzen 9 3900XT +19%

1350

Cinebench R23 Multi Core

Intel Core i7 6700K

5646

AMD Ryzen 9 3900XT +226%

18437

Geekbench 6 Single Core

Intel Core i7 6700K

1512

AMD Ryzen 9 3900XT +16%

1763

Geekbench 6 Multi Core

Intel Core i7 6700K

5068

AMD Ryzen 9 3900XT +117%

11025

Blender

Intel Core i7 6700K

107

AMD Ryzen 9 3900XT +143%

261

Geekbench 5 Single Core

Intel Core i7 6700K

1087

AMD Ryzen 9 3900XT +20%

1311

Geekbench 5 Multi Core

Intel Core i7 6700K

4271

AMD Ryzen 9 3900XT +187%

12279

Passmark CPU Single Core

Intel Core i7 6700K

2503

AMD Ryzen 9 3900XT +10%

2769

Passmark CPU Multi Core

Intel Core i7 6700K

8928

AMD Ryzen 9 3900XT +268%

32856

Intel Core i7 6700K

VS

AMD Ryzen 9 3900XT

General Parameters

Aug 2015

Release Date

Jul 2020

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Zen 2 (Matisse)

i7-6700K

Processor Number

-

LGA-1151

Socket

AM4

HD Graphics 530

Integrated Graphics

No

Package

1.75 billions

Transistor Count

3.8 billions

14 nm

Manufacturing Process

7 nm

91 W

Power Consumption

105 W

-

Peak Operating Temperature

95°C

CPU Performance

4

Performance Cores

12

8

Performance Core Threads

24

4.0 GHz

Performance Core Base Frequency

3.8 GHz

4.2 GHz

Performance Core Turbo Frequency

4.7 GHz

4

Total Core Count

12

8

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

40

Multiplier

38x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

512 K per core

8 MB shared

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2133,DDR3L-1600

Memory Types

DDR4-3200

64 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

34.1 GB/s

Max Memory Bandwidth

47.68 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

1150 MHz

GPU Max Dynamic Frequency

-

Miscellaneous

Intel Core i7 6700K

Official Website

AMD Ryzen 9 3900XT

3.0

PCIe Version

4.0

16

PCIe Lanes

24

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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