Intel Core i5 9400F vs AMD Ryzen 9 3900X
We compared two desktop CPUs: Intel Core i5 9400F with 6 cores 2.9GHz and AMD Ryzen 9 3900X with 12 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 9400F 's Advantages
Lower TDP (65W vs 105W)
AMD Ryzen 9 3900X 's Advantages
Released 6 months late
Higher specification of memory (3200 vs 2666)
Larger memory bandwidth (47.68GB/s vs 41.6GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.8GHz vs 2.9GHz)
Larger L3 cache size (64MB vs 9MB)
More modern manufacturing process (7nm vs 14nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i5 9400F
1014
AMD Ryzen 9 3900X
+28%
1306
Cinebench R23 Multi Core
Intel Core i5 9400F
5579
AMD Ryzen 9 3900X
+230%
18454
Geekbench 6 Single Core
Intel Core i5 9400F
1396
AMD Ryzen 9 3900X
+31%
1842
Geekbench 6 Multi Core
Intel Core i5 9400F
5142
AMD Ryzen 9 3900X
+127%
11715
Geekbench 5 Single Core
Intel Core i5 9400F
1067
AMD Ryzen 9 3900X
+23%
1319
Geekbench 5 Multi Core
Intel Core i5 9400F
4806
AMD Ryzen 9 3900X
+149%
11991
Passmark CPU Single Core
Intel Core i5 9400F
2453
AMD Ryzen 9 3900X
+9%
2683
Passmark CPU Multi Core
Intel Core i5 9400F
9511
AMD Ryzen 9 3900X
+242%
32531
General Parameters
Jan 2019
Release Date
Jul 2019
Intel
Manufacturer
AMD
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Zen 2
i5-9400F
Processor Number
-
LGA-1151
Socket
AM4
N/A
Integrated Graphics
N/A
-
-
-
Package
-
Transistor Count
3.8 billions
14 nm
Manufacturing Process
7 nm
-
-
-
65 W
Power Consumption
105 W
-
-
-
100 °C
Peak Operating Temperature
95 °C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CPU Performance
6
Performance Cores
12
6
Performance Core Threads
24
2.9 GHz
Performance Core Base Frequency
3.8 GHz
4.1 GHz
Performance Core Turbo Frequency
4.6 GHz
-
-
-
-
-
-
-
-
-
-
-
-
6
Total Core Count
12
6
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
29x
Multiplier
38x
-
-
-
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
512 K per core
9 MB shared
L3 Cache
64 MB shared
No
Unlocked Multiplier
Yes
-
-
-
-
-
-
-
-
-
-
-
-
-
Memory Parameters
DDR4-2666
Memory Types
DDR4-3200
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
41.6 GB/s
Max Memory Bandwidth
47.68 GB/s
No
ECC Memory Support
Yes
Graphics Card Parameters
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
AI Accelerator
-
-
-
-
-
-
Miscellaneous
3.0
PCIe Version
4.0
16
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-
-
