AMD Ryzen 9 3900X vs Intel Core i9 14900KF

VS

AMD Ryzen 9 3900X

Intel Core i9 14900KF

We compared two desktop CPUs: AMD Ryzen 9 3900X with 12 cores 3.8GHz and Intel Core i9 14900KF with 24 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 3900X 's Advantages

Higher base frequency (3.8GHz vs 3.2GHz)

Larger L3 cache size (64MB vs 36MB)

More modern manufacturing process (7nm vs 10nm)

Lower TDP (105W vs 125W)

Intel Core i9 14900KF 's Advantages

Released 4 years and 3 months late

Higher specification of memory (5600 vs 3200)

Larger memory bandwidth (89.6GB/s vs 47.68GB/s)

Newer PCIe version (5.0 vs 4.0)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 3900X

1306

Intel Core i9 14900KF +80%

2358

Cinebench R23 Multi Core

AMD Ryzen 9 3900X

18454

Intel Core i9 14900KF +108%

38497

Geekbench 6 Single Core

AMD Ryzen 9 3900X

1842

Intel Core i9 14900KF +72%

3176

Geekbench 6 Multi Core

AMD Ryzen 9 3900X

11715

Intel Core i9 14900KF +91%

22411

Cinebench 2024 Single Core

AMD Ryzen 9 3900X

78

Intel Core i9 14900KF +78%

139

Cinebench 2024 Multi Core

AMD Ryzen 9 3900X

1068

Intel Core i9 14900KF +103%

2177

Passmark CPU Single Core

AMD Ryzen 9 3900X

2683

Intel Core i9 14900KF +75%

4722

Passmark CPU Multi Core

AMD Ryzen 9 3900X

32531

Intel Core i9 14900KF +85%

60232

AMD Ryzen 9 3900X

VS

Intel Core i9 14900KF

General Parameters

Jul 2019

Release Date

Oct 2023

AMD

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Raptor Lake Refresh

-

Processor Number

i9-14900KF

AM4

Socket

LGA-1700

N/A

Integrated Graphics

No

-

Generation

Core i9 (Raptor Lake Refresh)

Package

3.8 billions

Transistor Count

-

7 nm

Manufacturing Process

10 nm

105 W

Power Consumption

125 W

-

Max Turbo Power Consumption

253 W

95 °C

Peak Operating Temperature

100°C

-

Foundry

Intel

-

Die Size

257 mm²

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.8 GHz

Performance Core Base Frequency

3.2 GHz

4.6 GHz

Performance Core Turbo Frequency

6 GHz

-

Efficiency Cores

16

-

Efficiency Core Threads

16

-

Efficiency Core Base Frequency

2.4 GHz

-

Efficiency Core Turbo Frequency

4.4 GHz

12

Total Core Count

24

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

32x

64 K per core

L1 Cache

80 K per core

512 K per core

L2 Cache

2 MB per core

64 MB shared

L3 Cache

36 MB shared

Yes

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR5-5600, DDR4-3200

128 GB

Max Memory Size

192 GB

2

Max Memory Channels

2

47.68 GB/s

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

AMD Ryzen 9 3900X

Official Website

Intel Core i9 14900KF

4.0

PCIe Version

5.0

16

PCIe Lanes

20

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