AMD Ryzen 9 7900X vs AMD Ryzen 9 5900X

Comparative analysis of AMD Ryzen 9 7900X 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 9 7900X

AMD Ryzen 9 5900X

Differences

Reasons to consider the AMD Ryzen 9 7900X

CPU is newer: launch date 1 year(s) 10 month(s) later
Around 17% higher clock speed: 5.6 GHz vs 4.8 GHz
Around 5% higher maximum core temperature: 100 °C vs 95 °C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 22% better performance in PassMark - Single thread mark: 4242 vs 3470
Around 32% better performance in PassMark - CPU mark: 51469 vs 39041
Around 25% better performance in 3DMark Fire Strike - Physics Score: 12637 vs 10106

Specifications (specs)
Launch date	27 Sep 2022 vs 5 Nov 2020
Maximum frequency	5.6 GHz vs 4.8 GHz
Maximum core temperature	100 °C vs 95 °C
Manufacturing process technology	5 nm vs 7 nm
L2 cache	12 MB vs 6 MB
Benchmarks
PassMark - Single thread mark	4242 vs 3470
PassMark - CPU mark	51469 vs 39041
3DMark Fire Strike - Physics Score	12637 vs 10106

Reasons to consider the AMD Ryzen 9 5900X

Around 62% lower typical power consumption: 105 Watt vs 170 Watt

Thermal Design Power (TDP)	105 Watt vs 170 Watt

Compare benchmarks

CPU 1: AMD Ryzen 9 7900X
CPU 2: AMD Ryzen 9 5900X

PassMark - Single thread mark

CPU 1

CPU 2

4242

3470

PassMark - CPU mark

CPU 1

CPU 2

51469

39041

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

12637

10106

Name	AMD Ryzen 9 7900X	AMD Ryzen 9 5900X
PassMark - Single thread mark	4242	3470
PassMark - CPU mark	51469	39041
3DMark Fire Strike - Physics Score	12637	10106

Compare specifications (specs)

	AMD Ryzen 9 7900X	AMD Ryzen 9 5900X
Essentials
Architecture codename	Zen 4	Zen 3
Launch date	27 Sep 2022	5 Nov 2020
Launch price (MSRP)	$549	$549
OPN Tray	100-000000589	100-000000061
Place in performance rating	87	271
Vertical segment	Desktop	Desktop
OPN PIB		100-100000061WOF
Performance
Base frequency	4.7 GHz	3.7 GHz
Die size	70 mm²
L1 cache	768 KB	768 KB
L2 cache	12 MB	6 MB
L3 cache	64 MB	64 MB
Manufacturing process technology	5 nm	7 nm
Maximum case temperature (TCase)	47 °C
Maximum core temperature	100 °C	95 °C
Maximum frequency	5.6 GHz	4.8 GHz
Number of cores	12	12
Number of threads	24	24
Transistor count	13140 million
Unlocked
Memory
ECC memory support
Max memory channels	2	2
Supported memory types	DDR5-5200	DDR4-3200
Maximum memory bandwidth		47.68 GB/s
Maximum memory size		128 GB
Compatibility
Max number of CPUs in a configuration	1
Sockets supported	AM5	AM4
Thermal Design Power (TDP)	170 Watt	105 Watt
Peripherals
Max number of PCIe lanes	24	20
PCI Express revision	5.0	4.0
PCIe configurations		1x16+x4, 2x8+x4, 1x8+2x4+x4
Advanced Technologies
Enhanced Virus Protection (EVP)
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
AMD SenseMI
AMD StoreMI technology
Virtualization
AMD Virtualization (AMD-V™)