Intel Core i9 13900K vs Intel Core i5 8400T

VS

Intel Core i9 13900K Intel Core i5 8400T

We compared two desktop CPUs: Intel Core i9 13900K with 24 cores 3.0GHz 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 13900K's Advantages

Released 4 years and 5 months late

Better graphics card performance

Higher specification of memory (DDR5-5600 vs DDR4-2666)

Larger memory bandwidth (89.6GB/s vs 41.6GB/s)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (3.0GHz vs 1.7GHz)

Larger L3 cache size (36MB vs 9MB)

More modern manufacturing process (10nm vs 14nm)

Intel Core i5 8400T's Advantages

Lower TDP (35W vs 125W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 13900K +192%

2261

Intel Core i5 8400T

774

Cinebench R23 Multi Core

Intel Core i9 13900K +924%

37263

Intel Core i5 8400T

3638

Geekbench 6 Single Core

Intel Core i9 13900K +170%

3034

Intel Core i5 8400T

1120

Geekbench 6 Multi Core

Intel Core i9 13900K +479%

21277

Intel Core i5 8400T

3670

Blender

Intel Core i9 13900K +1708%

633

Intel Core i5 8400T

35

Geekbench 5 Single Core

Intel Core i9 13900K +156%

2274

Intel Core i5 8400T

886

Geekbench 5 Multi Core

Intel Core i9 13900K +499%

23977

Intel Core i5 8400T

4000

Passmark CPU Single Core

Intel Core i9 13900K +141%

4637

Intel Core i5 8400T

1917

Passmark CPU Multi Core

Intel Core i9 13900K +697%

59387

Intel Core i5 8400T

7447

Intel Core i9 13900K

VS

Intel Core i5 8400T

General Parameters

Sep 2022

Release Date

Apr 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Raptor Lake

Core Architecture

Coffee Lake

i9-13900K

Processor Number

i5-8400T

LGA-1700

Socket

LGA-1151

UHD Graphics 770

Integrated Graphics

UHD Graphics 630

Package

10 nm

Manufacturing Process

14 nm

LGA-1700

Socket

LGA-1151

125 W

Power Consumption

35 W

253W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

100 °C

CPU Performance

8

Performance Cores

6

16

Performance Core Threads

6

3.0 GHz

Performance Core Base Frequency

1.7 GHz

5.4 GHz

Performance Core Turbo Frequency

3.3 GHz

16

Efficiency Cores

-

16

Efficiency Core Threads

-

2.2 GHz

Efficiency Core Base Frequency

-

4.3 GHz

Efficiency Core Turbo Frequency

-

24

Total Core Count

6

32

Total Thread Count

6

100MHz

Bus Frequency

100MHz

30x

Multiplier

17x

80K per core

L1 Cache

64K per core

2MB per core

L2 Cache

256K per core

36MB shared

L3 Cache

9MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-5600, DDR4-3200

Memory Types

DDR4-2666

192GB

Max Memory Size

128GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

41.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

True

Integrated Graphics

True

300 MHz

GPU Base Frequency

350 MHz

1650 MHz

GPU Max Dynamic Frequency

1050 MHz

256

Shader Units

192

16

Texture Units

24

8

Raster Operation Units

3

32

Execution Units

24

15 W

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

0.78 TFLOPS

Graphics Performance

0.38 TFLOPS

Miscellaneous

Intel Core i9 13900K

Official Website

Intel Core i5 8400T

5.0

PCIe Version

3.0

20

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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