Intel Core i9 12900KF vs Intel Core i7 6900K

VS

Intel Core i9 12900KF

Intel Core i7 6900K

We compared two desktop CPUs: Intel Core i9 12900KF with 16 cores 3.2GHz and Intel Core i7 6900K with 8 cores 3.2GHz . 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)

Larger L3 cache size (30MB vs 20MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (125W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 12900KF +76%

2028

Intel Core i7 6900K

1151

Cinebench R23 Multi Core

Intel Core i9 12900KF +142%

27422

Intel Core i7 6900K

11326

Geekbench 6 Single Core

Intel Core i9 12900KF +108%

2686

Intel Core i7 6900K

1286

Geekbench 6 Multi Core

Intel Core i9 12900KF +115%

16130

Intel Core i7 6900K

7470

Blender

Intel Core i9 12900KF +121%

425

Intel Core i7 6900K

192

Geekbench 5 Single Core

Intel Core i9 12900KF +104%

1970

Intel Core i7 6900K

961

Geekbench 5 Multi Core

Intel Core i9 12900KF +138%

17469

Intel Core i7 6900K

7327

Passmark CPU Single Core

Intel Core i9 12900KF +80%

4167

Intel Core i7 6900K

2310

Passmark CPU Multi Core

Intel Core i9 12900KF +188%

41190

Intel Core i7 6900K

14258

Intel Core i9 12900KF

VS

Intel Core i7 6900K

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

i7-6900K

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

8

16

Performance Core Threads

16

3.2 GHz

Performance Core Base Frequency

3.2 GHz

5.1 GHz

Performance Core Turbo Frequency

3.7 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

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

32x

Multiplier

32x

64 K per core

L1 Cache

64 K per core

14 MB shared

L2 Cache

256 K per core

30 MB shared

L3 Cache

20 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 6900K

5.0

PCIe Version

3.0

20

PCIe Lanes

40

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