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AMD Ryzen 9 3900XT vs Intel Core i9 13900KF

We compared two desktop CPUs: AMD Ryzen 9 3900XT with 12 cores 3.8GHz and Intel Core i9 13900KF with 24 cores 3.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 3900XT Advantages
Higher base frequency (3.8GHz vs 3.0GHz)
Larger L3 cache size (64MB vs 36MB)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (105W vs 125W)
Intel Core i9 13900KF Advantages
Released 2 years and 2 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 3900XT
1350
Intel Core i9 13900KF +67%
2261
Cinebench R23 Multi Core
AMD Ryzen 9 3900XT
18437
Intel Core i9 13900KF +102%
37263
Geekbench 6 Single Core
AMD Ryzen 9 3900XT
1763
Intel Core i9 13900KF +74%
3074
Geekbench 6 Multi Core
AMD Ryzen 9 3900XT
11025
Intel Core i9 13900KF +102%
22375
Cinebench 2024 Single Core
AMD Ryzen 9 3900XT
79
Intel Core i9 13900KF +67%
132
Cinebench 2024 Multi Core
AMD Ryzen 9 3900XT
1074
Intel Core i9 13900KF +99%
2144
Blender
AMD Ryzen 9 3900XT
261
Intel Core i9 13900KF +139%
625
Geekbench 5 Single Core
AMD Ryzen 9 3900XT
1311
Intel Core i9 13900KF +66%
2178
Geekbench 5 Multi Core
AMD Ryzen 9 3900XT
12279
Intel Core i9 13900KF +94%
23911
Passmark CPU Single Core
AMD Ryzen 9 3900XT
2769
Intel Core i9 13900KF +66%
4624
Passmark CPU Multi Core
AMD Ryzen 9 3900XT
32856
Intel Core i9 13900KF +78%
58710

General Parameters

Jul 2020
Release Date
Sep 2022
AMD
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Zen 2 (Matisse)
Core Architecture
Raptor Lake
-
Processor Number
i9-13900K
AM4
Socket
LGA-1700
No
Integrated Graphics
No

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

CPU Performance

12
Performance Cores
8
24
Performance Core Threads
16
3.8 GHz
Performance Core Base Frequency
3.0 GHz
4.7 GHz
Performance Core Turbo Frequency
5.4 GHz
-
Efficiency Cores
16
-
Efficiency Core Threads
16
-
Efficiency Core Base Frequency
2.2 GHz
-
Efficiency Core Turbo Frequency
4.3 GHz
12
Total Core Count
24
24
Total Thread Count
32
100 MHz
Bus Frequency
100 MHz
38x
Multiplier
30x
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

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

4.0
PCIe Version
5.0
24
PCIe Lanes
20
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