Intel Core i7 6900K vs AMD Ryzen Threadripper Pro 3945WX

VS

Intel Core i7 6900K

AMD Ryzen Threadripper Pro 3945WX

We compared two desktop CPUs: Intel Core i7 6900K with 8 cores 3.2GHz and AMD Ryzen Threadripper Pro 3945WX with 12 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 6900K 's Advantages

Lower TDP (140W vs 280W)

AMD Ryzen Threadripper Pro 3945WX 's Advantages

Released 4 years and 2 months late

Higher specification of memory (3200 vs 2133)

Larger memory bandwidth (204.8GB/s vs 76.8GB/s)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (4.0GHz vs 3.2GHz)

Larger L3 cache size (64MB vs 20MB)

More modern manufacturing process (7nm vs 14nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 6900K

1286

AMD Ryzen Threadripper Pro 3945WX +21%

1561

Geekbench 6 Multi Core

Intel Core i7 6900K

7470

AMD Ryzen Threadripper Pro 3945WX +46%

10957

Blender

Intel Core i7 6900K

192

AMD Ryzen Threadripper Pro 3945WX +17%

226

Geekbench 5 Single Core

Intel Core i7 6900K

961

AMD Ryzen Threadripper Pro 3945WX +35%

1303

Geekbench 5 Multi Core

Intel Core i7 6900K

7327

AMD Ryzen Threadripper Pro 3945WX +93%

14155

Passmark CPU Single Core

Intel Core i7 6900K

2310

AMD Ryzen Threadripper Pro 3945WX +16%

2690

Passmark CPU Multi Core

Intel Core i7 6900K

14258

AMD Ryzen Threadripper Pro 3945WX +132%

33118

Intel Core i7 6900K

VS

AMD Ryzen Threadripper Pro 3945WX

General Parameters

May 2016

Release Date

Jul 2020

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Broadwell E

Core Architecture

Zen 2

i7-6900K

Processor Number

-

LGA-2011-3

Socket

sWRX8

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

7 nm

140 W

Power Consumption

280 W

-

Peak Operating Temperature

90 °C

CPU Performance

8

Performance Cores

12

16

Performance Core Threads

24

3.2 GHz

Performance Core Base Frequency

4.0 GHz

3.7 GHz

Performance Core Turbo Frequency

4.3 GHz

8

Total Core Count

12

16

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

32x

Multiplier

40x

64 K per core

L1 Cache

96 K per core

256 K per core

L2 Cache

512 K per core

20 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2133

Memory Types

DDR4-3200

128 GB

Max Memory Size

2048 GB

4

Max Memory Channels

8

76.8 GB/s

Max Memory Bandwidth

204.8 GB/s

No

ECC Memory Support

Yes

Miscellaneous

Intel Core i7 6900K

Official Website

AMD Ryzen Threadripper Pro 3945WX

3.0

PCIe Version

4.0

40

PCIe Lanes

128

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