AMD Ryzen 5 8400F vs AMD Ryzen 9 5900X

Comparative analysis of AMD Ryzen 5 8400F and AMD Ryzen 9 5900X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

AMD Ryzen 5 8400F

AMD Ryzen 9 5900X

Differences

Reasons to consider the AMD Ryzen 5 8400F

CPU is newer: launch date 3 year(s) 4 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 4 nm vs 7 nm
Around 62% lower typical power consumption: 65 Watt vs 105 Watt
Around 4% better performance in PassMark - Single thread mark: 3622 vs 3469

Specifications (specs)
Launch date	1 Apr 2024 vs 5 Nov 2020
Manufacturing process technology	4 nm vs 7 nm
Thermal Design Power (TDP)	65 Watt vs 105 Watt
Benchmarks
PassMark - Single thread mark	3622 vs 3469

Reasons to consider the AMD Ryzen 9 5900X

6 more cores, run more applications at once: 12 vs 6
12 more threads: 24 vs 12
Around 2% higher clock speed: 4.8 GHz vs 4.7 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 64% better performance in PassMark - CPU mark: 39115 vs 23852

Specifications (specs)
Number of cores	12 vs 6
Number of threads	24 vs 12
Maximum frequency	4.8 GHz vs 4.7 GHz
L1 cache	768 KB vs 64 KB (per core)
L3 cache	64 MB vs 16 MB (shared)
Benchmarks
PassMark - CPU mark	39115 vs 23852

Compare benchmarks

CPU 1: AMD Ryzen 5 8400F
CPU 2: AMD Ryzen 9 5900X

PassMark - Single thread mark

CPU 1

CPU 2

3622

3469

PassMark - CPU mark

CPU 1

CPU 2

23852

39115

Name	AMD Ryzen 5 8400F	AMD Ryzen 9 5900X
PassMark - Single thread mark	3622	3469
PassMark - CPU mark	23852	39115
3DMark Fire Strike - Physics Score		10123

Compare specifications (specs)

	AMD Ryzen 5 8400F	AMD Ryzen 9 5900X
Essentials
Launch date	1 Apr 2024	5 Nov 2020
Launch price (MSRP)	$170	$549
Place in performance rating	291	280
Architecture codename		Zen 3
OPN PIB		100-100000061WOF
OPN Tray		100-000000061
Vertical segment		Desktop
Performance
Base frequency	4.2 GHz	3.7 GHz
Die size	178 mm²
L1 cache	64 KB (per core)	768 KB
L2 cache	1 MB (per core)	6 MB
L3 cache	16 MB (shared)	64 MB
Manufacturing process technology	4 nm	7 nm
Maximum core temperature	95°C	95 °C
Maximum frequency	4.7 GHz	4.8 GHz
Number of cores	6	12
Number of threads	12	24
Transistor count	25,000 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR4-3200
Max memory channels		2
Maximum memory bandwidth		47.68 GB/s
Maximum memory size		128 GB
Compatibility
Configurable TDP	45 Watt
Max number of CPUs in a configuration	1
Sockets supported	AM5	AM4
Thermal Design Power (TDP)	65 Watt	105 Watt
Peripherals
PCIe configurations	Gen 4, 20 Lanes, (CPU only)	1x16+x4, 2x8+x4, 1x8+2x4+x4
Max number of PCIe lanes		20
PCI Express revision		4.0
Advanced Technologies
AMD SenseMI
AMD StoreMI technology
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)