AMD Ryzen 9 3900XT vs Intel Core Ultra 7 265KF

VS

AMD Ryzen 9 3900XT

Intel Core Ultra 7 265KF

We compared two desktop CPUs: AMD Ryzen 9 3900XT with 12 cores 3.8GHz and Intel Core Ultra 7 265KF with 20 cores 3.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 3900XT 's Advantages

Larger L3 cache size (64MB vs 30MB)

Lower TDP (105W vs 125W)

Intel Core Ultra 7 265KF 's Advantages

Released 4 years and 3 months late

Higher specification of memory (6400 vs 3200)

Larger memory bandwidth (102.4GB/s vs 47.68GB/s)

Newer PCIe version (5.0 vs 4.0)

Higher base frequency (3.9GHz vs 3.8GHz)

More modern manufacturing process (3nm vs 7nm)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 3900XT

1350

Intel Core Ultra 7 265KF +70%

2308

Cinebench R23 Multi Core

AMD Ryzen 9 3900XT

18437

Intel Core Ultra 7 265KF +102%

37273

Geekbench 6 Single Core

AMD Ryzen 9 3900XT

1763

Intel Core Ultra 7 265KF +81%

3208

Geekbench 6 Multi Core

AMD Ryzen 9 3900XT

11025

Intel Core Ultra 7 265KF +97%

21797

Blender

AMD Ryzen 9 3900XT

261

Intel Core Ultra 7 265KF +76%

460

AMD Ryzen 9 3900XT

VS

Intel Core Ultra 7 265KF

General Parameters

Jul 2020

Release Date

Oct 2024

AMD

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2 (Matisse)

Core Architecture

Arrow Lake

-

Processor Number

265KF

AM4

Socket

FCLGA-1851

No

Integrated Graphics

No

-

Generation

Ultra 7(Arrow Lake)

Package

3.8 billions

Transistor Count

-

7 nm

Manufacturing Process

3 nm

105 W

Power Consumption

125 W

-

Max Turbo Power Consumption

250 W

95°C

Peak Operating Temperature

105 °C

-

Foundry

TSMC

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

8

3.8 GHz

Performance Core Base Frequency

3.9 GHz

4.7 GHz

Performance Core Turbo Frequency

5.4 GHz

-

Efficiency Cores

12

-

Efficiency Core Threads

12

-

Efficiency Core Base Frequency

3.3 GHz

-

Efficiency Core Turbo Frequency

4.6 GHz

12

Total Core Count

20

24

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

39

64 K per core

L1 Cache

112 K per core

512 K per core

L2 Cache

3 MB per core

64 MB shared

L3 Cache

30 MB shared

Yes

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR5-6400

128 GB

Max Memory Size

192 GB

2

Max Memory Channels

2

47.68 GB/s

Max Memory Bandwidth

102.4 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

AMD Ryzen 9 3900XT

Official Website

Intel Core Ultra 7 265KF

4.0

PCIe Version

5.0

24

PCIe Lanes

24

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