Intel Core i9 10940X vs Intel Core i9 12900K

VS

Intel Core i9 10940X

Intel Core i9 12900K

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

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

Intel Core i9 12900K 's Advantages

Released 2 years late

Integrated graphics card

Higher specification of memory (4800 vs 2933)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (32GHz vs 3.3GHz)

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 12900K +64%

2028

Cinebench R23 Multi Core

Intel Core i9 10940X

21309

Intel Core i9 12900K +28%

27422

Geekbench 6 Single Core

Intel Core i9 10940X

1471

Intel Core i9 12900K +78%

2631

Geekbench 6 Multi Core

Intel Core i9 10940X

11287

Intel Core i9 12900K +50%

17004

Geekbench 5 Single Core

Intel Core i9 10940X

1144

Intel Core i9 12900K +72%

1970

Geekbench 5 Multi Core

Intel Core i9 10940X

13573

Intel Core i9 12900K +25%

17028

Passmark CPU Single Core

Intel Core i9 10940X

2686

Intel Core i9 12900K +55%

4173

Passmark CPU Multi Core

Intel Core i9 10940X

27907

Intel Core i9 12900K +48%

41390

Intel Core i9 10940X

VS

Intel Core i9 12900K

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

i9-12900K

LGA-2066

Socket

LGA-1700

N/A

Integrated Graphics

UHD Graphics 770

Package

14 nm

Manufacturing Process

10 nm

165 W

Power Consumption

125 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

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 i9 10940X

Official Website

Intel Core i9 12900K

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 10700KF

2

Intel Core i9 10940X vs Intel Core i5 14490F

3

Intel Core i9 10940X vs Intel Core Ultra 7 265T

4

Intel Core i9 10940X vs Intel Core i5 11400F

5

Intel Core i9 10940X vs Intel Core i5 8500T

6

Intel Core i9 10940X vs AMD Ryzen Threadripper PRO 5975WX

7

Intel Core i9 10940X vs AMD Ryzen 9 7900

8

Intel Core i9 10940X vs AMD Ryzen 9 7900X

9

Intel Core i9 10940X vs Intel Core i3 7100T

10

Intel Core i9 10940X vs AMD Ryzen 3 3100

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game