Intel Core i9 12900F vs Intel Core i5 8400T

VS

Intel Core i9 12900F

Intel Core i5 8400T

We compared two desktop CPUs: Intel Core i9 12900F with 16 cores 2.4GHz and Intel Core i5 8400T with 6 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900F 's Advantages

Released 3 years and 9 months late

Higher specification of memory (4800 vs 2666)

Larger memory bandwidth (76.8GB/s vs 41.6GB/s)

Newer PCIe version (5 vs 3.0)

Higher base frequency (2.4GHz vs 1.7GHz)

Larger L3 cache size (30MB vs 9MB)

More modern manufacturing process (10nm vs 14nm)

Intel Core i5 8400T 's Advantages

Integrated graphics card

Lower TDP (35W vs 65W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 12900F +156%

1988

Intel Core i5 8400T

774

Cinebench R23 Multi Core

Intel Core i9 12900F +627%

26455

Intel Core i5 8400T

3638

Geekbench 6 Single Core

Intel Core i9 12900F +129%

2572

Intel Core i5 8400T

1120

Geekbench 6 Multi Core

Intel Core i9 12900F +272%

13687

Intel Core i5 8400T

3670

Blender

Intel Core i9 12900F +537%

223

Intel Core i5 8400T

35

Intel Core i9 12900F

VS

Intel Core i5 8400T

General Parameters

Jan 2022

Release Date

Apr 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

-

Instruction Set

x86-64

Alder Lake-S

Core Architecture

Coffee Lake

-

Processor Number

i5-8400T

Intel Socket 1700

Socket

LGA-1151

N/A

Integrated Graphics

UHD Graphics 630

Core i9 (Alder Lake-S)

Generation

-

Package

10 nm

Manufacturing Process

14 nm

65 W

Power Consumption

35 W

72 °C

Peak Operating Temperature

100 °C

Intel

Foundry

-

215 mm²

Die Size

-

CPU Performance

8

Performance Cores

6

16

Performance Core Threads

6

2.4 GHz

Performance Core Base Frequency

1.7 GHz

5.1 GHz

Performance Core Turbo Frequency

3.3 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

1800 MHz

Efficiency Core Base Frequency

-

3.8 GHz

Efficiency Core Turbo Frequency

-

16

Total Core Count

6

24

Total Thread Count

6

100 MHz

Bus Frequency

100 MHz

24.0

Multiplier

17x

80 KB per core

L1 Cache

64 K per core

1.25 MB per core

L2 Cache

256 K per core

30 MB shared

L3 Cache

9 MB shared

Yes

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR4-3200, DDR5-4800

Memory Types

DDR4-2666

-

Max Memory Size

128 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

41.6 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1050 MHz

-

Shader Units

192

-

Texture Units

24

-

Raster Operation Units

3

-

Execution Units

24

-

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

-

Graphics Performance

0.38 TFLOPS

Miscellaneous

-

Official Website

Intel Core i5 8400T

5

PCIe Version

3.0

20

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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