Home Comparison AMD Ryzen 7 3800X vs Intel Core Ultra 7 265F

AMD Ryzen 7 3800X vs Intel Core Ultra 7 265F

AMD Ryzen 7 3800X
VS
Intel Core Ultra 7 265F
AMD Ryzen 7 3800X
Intel Core Ultra 7 265F
We compared two desktop CPUs: AMD Ryzen 7 3800X with 8 cores 3.9GHz and Intel Core Ultra 7 265F with 20 cores 1.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 3800X 's Advantages
Higher base frequency (3.9GHz vs 1.5GHz)
Larger L3 cache size (32MB vs 24MB)
Intel Core Ultra 7 265F 's Advantages
Released 5 years and 5 months late
Higher specification of memory (6400 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 7 3800X
VS
Intel Core Ultra 7 265F

General Parameters

Jul 2019
Release Date
Dec 2024
Amd
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
-
Zen 2
Core Architecture
Arrow Lake-S
AM4
Socket
Intel Socket 1851
No
Integrated Graphics
-
Generation
Ultra 7 (Arrow Lake-S)

Package

3.8 billions
Transistor Count
-
7 nm
Manufacturing Process
3 nm
105 W
Power Consumption
65 W
95°C
Peak Operating Temperature
100 °C
-
Foundry
Intel

CPU Performance

8
Performance Cores
8
16
Performance Core Threads
8
3.9 GHz
Performance Core Base Frequency
1.5 GHz
4.5 GHz
Performance Core Turbo Frequency
5.3 GHz
-
Efficiency Cores
12
-
Efficiency Core Threads
12
-
Efficiency Core Base Frequency
1.2 GHz
-
Efficiency Core Turbo Frequency
4.5 GHz
8
Total Core Count
20
16
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
39x
Multiplier
15
64 K per core
L1 Cache
112 KB per core
512 K per core
L2 Cache
23 MB
32 MB shared
L3 Cache
24 MB shared
Yes
Unlocked Multiplier
No
-
SMP
1

Memory Parameters

DDR4-3200
Memory Types
DDR5-6400
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
Yes

Miscellaneous

AMD Ryzen 7 3800X
Official Website
4.0
PCIe Version
5
16
PCIe Lanes

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