Intel Core i9 9900X vs Intel Core i9 12900T

VS

Intel Core i9 9900X

Intel Core i9 12900T

We compared two desktop CPUs: Intel Core i9 9900X with 10 cores 3.5GHz and Intel Core i9 12900T with 16 cores 1.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 9900X 's Advantages

Larger memory bandwidth (85GB/s vs 76.8GB/s)

Higher base frequency (3.5GHz vs 1.4GHz)

Intel Core i9 12900T 's Advantages

Released 3 years and 3 months late

Integrated graphics card

Higher specification of memory (4800 vs 2666)

Newer PCIe version (5 vs 3.0)

Larger L3 cache size (30MB vs 20MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (35W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9900X

1182

Intel Core i9 12900T +57%

1865

Cinebench R23 Multi Core

Intel Core i9 9900X

13994

Intel Core i9 12900T +62%

22804

Geekbench 6 Single Core

Intel Core i9 9900X

1455

Intel Core i9 12900T +62%

2362

Geekbench 6 Multi Core

Intel Core i9 9900X

10273

Intel Core i9 12900T +20%

12384

Intel Core i9 9900X

VS

Intel Core i9 12900T

General Parameters

Oct 2018

Release Date

Jan 2022

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

-

Skylake

Core Architecture

Alder Lake-S

i9-9900X

Processor Number

-

LGA-2066

Socket

Intel Socket 1700

N/A

Integrated Graphics

UHD Graphics 770

-

Generation

Core i9 (Alder Lake-S)

Package

14 nm

Manufacturing Process

10 nm

165 W

Power Consumption

35 W

92 °C

Peak Operating Temperature

72 °C

-

Foundry

Intel

-

Die Size

215 mm²

CPU Performance

10

Performance Cores

8

20

Performance Core Threads

16

3.5 GHz

Performance Core Base Frequency

1.4 GHz

4.4 GHz

Performance Core Turbo Frequency

4.9 GHz

-

Efficiency Cores

8

-

Efficiency Core Threads

8

-

Efficiency Core Base Frequency

1000 MHz

-

Efficiency Core Turbo Frequency

3.6 GHz

10

Total Core Count

16

20

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

14.0

64 K per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

1.25 MB per core

20 MB shared

L3 Cache

30 MB shared

Yes

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200, DDR5-4800

128 GB

Max Memory Size

-

4

Max Memory Channels

2

85 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

-

GPU Max Dynamic Frequency

1550 MHz

-

Execution Units

32

Miscellaneous

Intel Core i9 9900X

Official Website

Intel Core i9 12900T

3.0

PCIe Version

5

44

PCIe Lanes

20

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

Extended Instruction Set

-

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