AMD Ryzen 9 7900 vs AMD Ryzen 9 7950X

Comparative analysis of AMD Ryzen 9 7900 and AMD Ryzen 9 7950X 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), 3DMark Fire Strike - Physics Score.

AMD Ryzen 9 7900

AMD Ryzen 9 7950X

Differences

Reasons to consider the AMD Ryzen 9 7900

2.6x lower typical power consumption: 65 Watt vs 170 Watt

Thermal Design Power (TDP)	65 Watt vs 170 Watt

Reasons to consider the AMD Ryzen 9 7950X

4 more cores, run more applications at once: 16 vs 12
8 more threads: 32 vs 24
Around 6% higher clock speed: 5.7 GHz vs 5.4 GHz
Around 5% higher maximum core temperature: 100 °C vs 95 °C
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 3% better performance in PassMark - Single thread mark: 4275 vs 4146
Around 28% better performance in PassMark - CPU mark: 62684 vs 48784
Around 42% better performance in 3DMark Fire Strike - Physics Score: 15782 vs 11106

Specifications (specs)
Number of cores	16 vs 12
Number of threads	32 vs 24
Maximum frequency	5.7 GHz vs 5.4 GHz
Maximum core temperature	100 °C vs 95 °C
L1 cache	1 MB vs 768 KB
L2 cache	16 MB vs 12 MB
Benchmarks
PassMark - Single thread mark	4275 vs 4146
PassMark - CPU mark	62684 vs 48784
3DMark Fire Strike - Physics Score	15782 vs 11106

Compare benchmarks

CPU 1: AMD Ryzen 9 7900
CPU 2: AMD Ryzen 9 7950X

PassMark - Single thread mark

CPU 1

CPU 2

4146

4275

PassMark - CPU mark

CPU 1

CPU 2

48784

62684

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

11106

15782

Name	AMD Ryzen 9 7900	AMD Ryzen 9 7950X
PassMark - Single thread mark	4146	4275
PassMark - CPU mark	48784	62684
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	97.64
CompuBench 1.5 Desktop - T-Rex (Frames/s)	4.623
CompuBench 1.5 Desktop - Video Composition (Frames/s)	31.051
3DMark Fire Strike - Physics Score	11106	15782

Compare specifications (specs)

	AMD Ryzen 9 7900	AMD Ryzen 9 7950X
Essentials
Architecture codename	Zen 4	Zen 4
Launch date	14 Jan 2023	4 Jan 2023
Launch price (MSRP)	$429	$699
OPN Tray	100-000000590	100-000000514
Place in performance rating	16	44
Vertical segment	Desktop	Desktop
Performance
Base frequency	3.7 GHz	4.5 GHz
Die size	71 mm²	70 mm²
L1 cache	768 KB	1 MB
L2 cache	12 MB	16 MB
L3 cache	64 MB	64 MB
Manufacturing process technology	5 nm	5 nm
Maximum case temperature (TCase)	47 °C	47 °C
Maximum core temperature	95 °C	100 °C
Maximum frequency	5.4 GHz	5.7 GHz
Number of cores	12	16
Number of threads	24	32
Transistor count	13140 million	13140 million
Unlocked
Memory
ECC memory support
Max memory channels	2	2
Supported memory types	DDR5-5200	DDR5-5200
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM5	AM5
Thermal Design Power (TDP)	65 Watt	170 Watt
Peripherals
Max number of PCIe lanes	24	24
PCI Express revision	5.0	5.0
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™)