Home Comparison AMD Ryzen 9 3900X vs Intel Core Ultra 7 265

AMD Ryzen 9 3900X vs Intel Core Ultra 7 265

AMD Ryzen 9 3900X
VS
Intel Core Ultra 7 265
AMD Ryzen 9 3900X
Intel Core Ultra 7 265
We compared two desktop CPUs: AMD Ryzen 9 3900X with 12 cores 3.8GHz and Intel Core Ultra 7 265 with 20 cores 2.4GHz . 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 2.4GHz)
Larger L3 cache size (64MB vs 30MB)
Intel Core Ultra 7 265 's Advantages
Released 5 years and 6 months late
Higher specification of memory (5600 vs 3200)
Larger memory bandwidth (102.4GB/s vs 47.68GB/s)
Newer PCIe version (5 vs 4.0)
More modern manufacturing process (3nm vs 7nm)
Lower TDP (65W vs 105W)

Score

AMD Ryzen 9 3900X
VS
Intel Core Ultra 7 265

General Parameters

Jul 2019
Release Date
Jan 2025
AMD
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
-
Zen 2
Core Architecture
Arrow Lake-S
AM4
Socket
Intel Socket 1851
N/A
Integrated Graphics
Arc Xe2 Graphics 64EU
-
Generation
Ultra 7(Arrow Lake)

Package

3.8 billions
Transistor Count
17.8 billions
7 nm
Manufacturing Process
3 nm
105 W
Power Consumption
65 W
95 °C
Peak Operating Temperature
105°C
-
Foundry
TSMC
-
Die Size
243 mm²

CPU Performance

12
Performance Cores
8
24
Performance Core Threads
16
3.8 GHz
Performance Core Base Frequency
2.4 GHz
4.6 GHz
Performance Core Turbo Frequency
5.3 GHz
-
Efficiency Cores
12
-
Efficiency Core Threads
12
-
Efficiency Core Base Frequency
1800 MHz
-
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
24.0
64 K per core
L1 Cache
112 KB per core
512 K per core
L2 Cache
3 MB per core
64 MB shared
L3 Cache
30 MB shared
Yes
Unlocked Multiplier
No
-
SMP
1

Memory Parameters

DDR4-3200
Memory Types
DDR5-5600
128 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
47.68 GB/s
Max Memory Bandwidth
102.4 GB/s
Yes
ECC Memory Support
No

Miscellaneous

AMD Ryzen 9 3900X
Official Website
4.0
PCIe Version
5
16
PCIe Lanes
20

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