Intel Core i9 12900KF vs Intel Core i7 6950X

VS

Intel Core i9 12900KF

Intel Core i7 6950X

We compared two desktop CPUs: Intel Core i9 12900KF with 16 cores 3.2GHz 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 12900KF 's Advantages

Released 5 years and 5 months late

Higher specification of memory (4800 vs 2133)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (3.2GHz 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 12900KF +89%

2028

Intel Core i7 6950X

1069

Cinebench R23 Multi Core

Intel Core i9 12900KF +181%

27422

Intel Core i7 6950X

9743

Geekbench 6 Single Core

Intel Core i9 12900KF +163%

2686

Intel Core i7 6950X

1020

Geekbench 6 Multi Core

Intel Core i9 12900KF +139%

16130

Intel Core i7 6950X

6726

Geekbench 5 Single Core

Intel Core i9 12900KF +103%

1970

Intel Core i7 6950X

968

Geekbench 5 Multi Core

Intel Core i9 12900KF +88%

17469

Intel Core i7 6950X

9253

Passmark CPU Single Core

Intel Core i9 12900KF +78%

4167

Intel Core i7 6950X

2330

Passmark CPU Multi Core

Intel Core i9 12900KF +137%

41190

Intel Core i7 6950X

17362

Intel Core i9 12900KF

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

i9-12900KF

Processor Number

i7-6950X

LGA-1700

Socket

LGA-2011-3

No

Integrated Graphics

N/A

Package

10 nm

Manufacturing Process

14 nm

125 W

Power Consumption

140 W

241 W

Max Turbo Power Consumption

-

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

Miscellaneous

Intel Core i9 12900KF

Official Website

Intel Core i7 6950X

5.0

PCIe Version

3.0

20

PCIe Lanes

40

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