AMD Ryzen 9 3900X vs Intel Core i7 6850K

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We compared two desktop CPUs: AMD Ryzen 9 3900X with 12 cores 3.8GHz and Intel Core i7 6850K with 6 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 3900X 's Advantages

Released 3 years and 2 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 3.6GHz)

Larger L3 cache size (64MB vs 15MB)

Lower TDP (105W vs 140W)

Intel Core i7 6850K 's Advantages

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

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 3900X +34%

1313

Intel Core i7 6850K

979

Cinebench R23 Multi Core

AMD Ryzen 9 3900X +156%

18656

Intel Core i7 6850K

7282

Geekbench 6 Single Core

AMD Ryzen 9 3900X +86%

1842

Intel Core i7 6850K

986

Geekbench 6 Multi Core

AMD Ryzen 9 3900X +202%

11715

Intel Core i7 6850K

3877

Geekbench 5 Single Core

AMD Ryzen 9 3900X +33%

1319

Intel Core i7 6850K

988

Geekbench 5 Multi Core

AMD Ryzen 9 3900X +103%

11991

Intel Core i7 6850K

5881

Passmark CPU Single Core

AMD Ryzen 9 3900X +11%

2683

Intel Core i7 6850K

2409

Passmark CPU Multi Core

AMD Ryzen 9 3900X +185%

32531

Intel Core i7 6850K

11382

AMD Ryzen 9 3900X

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Intel Core i7 6850K

General Parameters

Jul 2019

Release Date

May 2016

AMD

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Broadwell E

-

Processor Number

i7-6850K

AM4

Socket

LGA-2011-3

N/A

Integrated Graphics

N/A

Package

3.8 billions

Transistor Count

-

7 nm

Manufacturing Process

14 nm

AM4

Socket

LGA-2011-3

105 W

Power Consumption

140 W

95 °C

Peak Operating Temperature

-

CPU Performance

12

Performance Cores

6

24

Performance Core Threads

12

3.8 GHz

Performance Core Base Frequency

3.6 GHz

4.6 GHz

Performance Core Turbo Frequency

3.8 GHz

12

Total Core Count

6

24

Total Thread Count

12

100 MHz

Bus Frequency

-

38x

Multiplier

36x

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 3900X

Official Website

Intel Core i7 6850K

4.0

PCIe Version

3.0

16

PCIe Lanes

40

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