Intel Core i7 6950X vs Intel Core i9 12900K

VS

Intel Core i7 6950X

Intel Core i9 12900K

We compared two desktop CPUs: Intel Core i7 6950X with 10 cores 3.0GHz and Intel Core i9 12900K with 16 cores 32GHz . 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 (4800 vs 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 i7 6950X

1069

Intel Core i9 12900K +89%

2028

Cinebench R23 Multi Core

Intel Core i7 6950X

9743

Intel Core i9 12900K +181%

27422

Geekbench 6 Single Core

Intel Core i7 6950X

1020

Intel Core i9 12900K +157%

2631

Geekbench 6 Multi Core

Intel Core i7 6950X

6726

Intel Core i9 12900K +152%

17004

Geekbench 5 Single Core

Intel Core i7 6950X

968

Intel Core i9 12900K +103%

1970

Geekbench 5 Multi Core

Intel Core i7 6950X

9253

Intel Core i9 12900K +84%

17028

Passmark CPU Single Core

Intel Core i7 6950X

2330

Intel Core i9 12900K +79%

4173

Passmark CPU Multi Core

Intel Core i7 6950X

17362

Intel Core i9 12900K +138%

41390

Intel Core i7 6950X

VS

Intel Core i9 12900K

General Parameters

May 2016

Release Date

Oct 2021

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Broadwell E

Core Architecture

Alder Lake

i7-6950X

Processor Number

i9-12900K

LGA-2011-3

Socket

LGA-1700

N/A

Integrated Graphics

UHD Graphics 770

Package

14 nm

Manufacturing Process

10 nm

140 W

Power Consumption

125 W

-

Peak Operating Temperature

100°C

CPU Performance

10

Performance Cores

8

20

Performance Core Threads

16

3.0 GHz

Performance Core Base Frequency

3,2 GHz

3.5 GHz

Performance Core Turbo Frequency

5.1 GHz

-

Efficiency Cores

8

-

Efficiency Core Threads

8

-

Efficiency Core Base Frequency

2.4 GHz

-

Efficiency Core Turbo Frequency

3.9 GHz

10

Total Core Count

16

20

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

30x

Multiplier

32x

32 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

14 MB shared

25 MB shared

L3 Cache

30 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2133

Memory Types

DDR5-4800, DDR4-3200

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

-

GPU Max Dynamic Frequency

1550 MHz

-

Shader Units

256

-

Texture Units

16

-

Raster Operation Units

8

-

Execution Units

32

-

Power Consumption

15 W

-

Graphics Performance

0.78 TFLOPS

Miscellaneous

Intel Core i7 6950X

Official Website

Intel Core i9 12900K

3.0

PCIe Version

5.0

40

PCIe Lanes

20

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