AMD Ryzen 9 3900X vs Intel Core i9 11900KF
CPU Specs Compare
General Parameters
Release Date
Jul 2019
Mar 2021
Manufacturer
AMD
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 2
Rocket Lake
Integrated Graphics
N/A
No
Processor Number
-
i9-11900KF
Package
Transistor Count
3.8 billions
-
Manufacturing Process
7 nm
14 nm
Socket
AM4
LGA-1200
Power Consumption
105 W
125 W
Peak Operating Temperature
95 °C
100°C
CPU Performance
Performance Cores
12
8
Performance Core Threads
24
16
Performance Core Base Frequency
3.8 GHz
3.5 GHz
Performance Core Turbo Frequency
4.6 GHz
5.3 GHz
Total Core Count
12
8
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
38x
35x
L1 Cache
64 K per core
64 K per core
L2 Cache
512 K per core
512 K per core
L3 Cache
64 MB shared
16 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR4-3200
DDR4-3200
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
47.68 GB/s
50 GB/s
ECC Memory Support
Yes
No
📊 Benchmark
Cinebench R23
1,306
1,653
Cinebench R23
18,454
14,197
Geekbench 6
1,842
2,536
Geekbench 5
1,319
1,768
Geekbench 6
11,715
10,374
Geekbench 5
11,991
10,209
Cinebench 2024
78
-
Cinebench 2024
1,068
-
Passmark CPU
2,683
3,557
Passmark CPU
32,531
25,246
Blender
-
218