Intel Core i9 12900K vs Intel Core i7 6950X

VS

Intel Core i9 12900K Intel Core i7 6950X

We compared two desktop CPUs: Intel Core i9 12900K with 16 cores 32GHz and Intel Core i7 6950X with 10 cores 3.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900K 's Advantages

Released 5 years and 5 months late

Integrated graphics card

Higher specification of memory (DDR5-4800 vs DDR4-2133)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (32GHz vs 3.0GHz)

Larger L3 cache size (30MB vs 25MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (125W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 12900K +89%

2028

Intel Core i7 6950X

1069

Cinebench R23 Multi Core

Intel Core i9 12900K +181%

27422

Intel Core i7 6950X

9743

Geekbench 6 Single Core

Intel Core i9 12900K +157%

2631

Intel Core i7 6950X

1020

Geekbench 6 Multi Core

Intel Core i9 12900K +152%

17004

Intel Core i7 6950X

6726

Geekbench 5 Single Core

Intel Core i9 12900K +103%

1970

Intel Core i7 6950X

968

Geekbench 5 Multi Core

Intel Core i9 12900K +84%

17028

Intel Core i7 6950X

9253

Passmark CPU Single Core

Intel Core i9 12900K +79%

4173

Intel Core i7 6950X

2330

Passmark CPU Multi Core

Intel Core i9 12900K +138%

41390

Intel Core i7 6950X

17362

Intel Core i9 12900K

VS

Intel Core i7 6950X

General Parameters

Oct 2021

Release Date

May 2016

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Broadwell E

i9-12900K

Processor Number

i7-6950X

LGA-1700

Socket

LGA-2011-3

UHD Graphics 770

Integrated Graphics

N/A

Package

10 nm

Manufacturing Process

14 nm

LGA-1700

Socket

LGA-2011-3

125 W

Power Consumption

140 W

100°C

Peak Operating Temperature

-

CPU Performance

8

Performance Cores

10

16

Performance Core Threads

20

3,2 GHz

Performance Core Base Frequency

3.0 GHz

5.1 GHz

Performance Core Turbo Frequency

3.5 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

2.4 GHz

Efficiency Core Base Frequency

-

3.9 GHz

Efficiency Core Turbo Frequency

-

16

Total Core Count

10

24

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

32x

Multiplier

30x

64 K per core

L1 Cache

32 K per core

14 MB shared

L2 Cache

256 K per core

30 MB shared

L3 Cache

25 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-4800, DDR4-3200

Memory Types

DDR4-2133

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

76.8 GB/s

Max Memory Bandwidth

76.8 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

300 MHz

GPU Base Frequency

-

1550 MHz

GPU Max Dynamic Frequency

-

256

Shader Units

-

16

Texture Units

-

8

Raster Operation Units

-

32

Execution Units

-

15 W

Power Consumption

-

0.78 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i9 12900K

Official Website

Intel Core i7 6950X

5.0

PCIe Version

3.0

20

PCIe Lanes

40

Related CPU Comparisons

1

Intel Core i9 12900K vs Intel Core i7 14700

2

Intel Core i7 14700K vs Intel Core i9 12900K

3

Intel Core i9 12900K vs AMD Ryzen 5 7600X

4

Intel Core i5 14600 vs Intel Core i9 12900K

5

Intel Core i9 12900K vs Intel Core i5 13600K

6

Intel Core i5 14500 vs Intel Core i9 12900K

7

Intel Core i7 13700K vs Intel Core i9 12900K

8

AMD Ryzen 9 7950X3D vs Intel Core i7 6950X

9

Intel Core i9 12900K vs KaiXian KX 7000 8

10

Intel Core i9 12900K vs AMD Ryzen Threadripper 2990WX