Intel Core i9 10940X vs Intel Core i9 12900KF

VS

Intel Core i9 10940X

Intel Core i9 12900KF

We compared two desktop CPUs: Intel Core i9 10940X with 14 cores 3.3GHz and Intel Core i9 12900KF with 16 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 10940X 's Advantages

Larger memory bandwidth (93.8GB/s vs 76.8GB/s)

Higher base frequency (3.3GHz vs 3.2GHz)

Intel Core i9 12900KF 's Advantages

Released 2 years late

Higher specification of memory (4800 vs 2933)

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 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 10940X

1234

Intel Core i9 12900KF +64%

2028

Cinebench R23 Multi Core

Intel Core i9 10940X

21309

Intel Core i9 12900KF +28%

27422

Geekbench 6 Single Core

Intel Core i9 10940X

1471

Intel Core i9 12900KF +82%

2686

Geekbench 6 Multi Core

Intel Core i9 10940X

11287

Intel Core i9 12900KF +42%

16130

Geekbench 5 Single Core

Intel Core i9 10940X

1144

Intel Core i9 12900KF +72%

1970

Geekbench 5 Multi Core

Intel Core i9 10940X

13573

Intel Core i9 12900KF +28%

17469

Passmark CPU Single Core

Intel Core i9 10940X

2686

Intel Core i9 12900KF +55%

4167

Passmark CPU Multi Core

Intel Core i9 10940X

27907

Intel Core i9 12900KF +47%

41190

Intel Core i9 10940X

VS

Intel Core i9 12900KF

General Parameters

Oct 2019

Release Date

Oct 2021

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Cascade Lake

Core Architecture

Alder Lake

i9-10940X

Processor Number

i9-12900KF

LGA-2066

Socket

LGA-1700

N/A

Integrated Graphics

No

Package

14 nm

Manufacturing Process

10 nm

165 W

Power Consumption

125 W

-

Max Turbo Power Consumption

241 W

86 °C

Peak Operating Temperature

100°C

CPU Performance

14

Performance Cores

8

28

Performance Core Threads

16

3.3 GHz

Performance Core Base Frequency

3.2 GHz

4.6 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

14

Total Core Count

16

28

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

32x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

14 MB shared

20 MB shared

L3 Cache

30 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2933

Memory Types

DDR5-4800, DDR4-3200

256 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

93.8 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

Yes

Miscellaneous

Intel Core i9 10940X

Official Website

Intel Core i9 12900KF

3.0

PCIe Version

5.0

48

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2, AVX-512

Extended Instruction Set

-

Related CPU Comparisons

1

Intel Core i9 10940X vs Intel Core i7 14700T

2

Intel Core i9 10940X vs AMD Ryzen 3 5425U

3

Intel Core i9 10940X vs Intel Core i9 9900KF

4

Intel Core i9 10940X vs Intel Core i9 12900E

5

Intel Core i9 10940X vs AMD Ryzen 3 2200G

6

Intel Core i9 10940X vs Intel Core i7 7700

7

Intel Core i9 10940X vs Intel Core i3 9350KF

8

Intel Core i9 10940X vs Intel Core i7 14701TE

9

Intel Core i9 10940X vs Intel Core i7 12700E

10

Intel Core i9 10940X vs Intel Core i3 12100

Related News

1

AMD's Thunderous Strike: Ryzen 9 9950X3D Performance Scores Revealed for the First Time!

2

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

3

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

4

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

5

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

6

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

7

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

8

CXMT Reportedly Achieves 80% Yield in DDR5 Production

9

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

10

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market