AMD Ryzen 9 7950X vs AMD Ryzen 9 3900XT

Comparative analysis of AMD Ryzen 9 7950X and AMD Ryzen 9 3900XT 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 7950X

AMD Ryzen 9 3900XT

Differences

Reasons to consider the AMD Ryzen 9 7950X

CPU is newer: launch date 2 year(s) 6 month(s) later
4 more cores, run more applications at once: 16 vs 12
8 more threads: 32 vs 24
Around 21% higher clock speed: 5.7 GHz vs 4.7 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm
2.7x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 56% better performance in PassMark - Single thread mark: 4271 vs 2743
Around 92% better performance in PassMark - CPU mark: 62567 vs 32600
Around 84% better performance in 3DMark Fire Strike - Physics Score: 15686 vs 8532

Specifications (specs)
Launch date	4 Jan 2023 vs July 2020
Number of cores	16 vs 12
Number of threads	32 vs 24
Maximum frequency	5.7 GHz vs 4.7 GHz
Manufacturing process technology	5 nm vs 7 nm
L2 cache	16 MB vs 6 MB
Benchmarks
PassMark - Single thread mark	4271 vs 2743
PassMark - CPU mark	62567 vs 32600
3DMark Fire Strike - Physics Score	15686 vs 8532

Reasons to consider the AMD Ryzen 9 3900XT

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 7950X
CPU 2: AMD Ryzen 9 3900XT

PassMark - Single thread mark

CPU 1

CPU 2

4271

2743

PassMark - CPU mark

CPU 1

CPU 2

62567

32600

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

15686

8532

Name	AMD Ryzen 9 7950X	AMD Ryzen 9 3900XT
PassMark - Single thread mark	4271	2743
PassMark - CPU mark	62567	32600
3DMark Fire Strike - Physics Score	15686	8532

Compare specifications (specs)

	AMD Ryzen 9 7950X	AMD Ryzen 9 3900XT
Essentials
Architecture codename	Zen 4	Zen 2
Launch date	4 Jan 2023	July 2020
Launch price (MSRP)	$699
OPN Tray	100-000000514
Place in performance rating	38	595
Vertical segment	Desktop	Desktop
OPN PIB		100-100000277WOF
Performance
Base frequency	4.5 GHz	3.8 GHz
Die size	70 mm²
L1 cache	1 MB
L2 cache	16 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
Maximum frequency	5.7 GHz	4.7 GHz
Number of cores	16	12
Number of threads	32	24
Transistor count	13140 million
Unlocked
Memory
ECC memory support
Max memory channels	2	2
Supported memory types	DDR5-5200	DDR4-3200
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
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
Virtualization
AMD Virtualization (AMD-V™)