AMD Ryzen 9 7900 vs AMD EPYC 7552

Comparative analysis of AMD Ryzen 9 7900 and AMD EPYC 7552 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 EPYC 7552

Differences

Reasons to consider the AMD Ryzen 9 7900

CPU is newer: launch date 3 year(s) 5 month(s) later
Around 61% higher clock speed: 5.4 GHz vs 3.35 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm
3.1x lower typical power consumption: 65 Watt vs 200 Watt
2.7x better performance in PassMark - Single thread mark: 4141 vs 1527

Specifications (specs)
Launch date	14 Jan 2023 vs 7 Aug 2019
Maximum frequency	5.4 GHz vs 3.35 GHz
Manufacturing process technology	5 nm vs 7 nm
Thermal Design Power (TDP)	65 Watt vs 200 Watt
Benchmarks
PassMark - Single thread mark	4141 vs 1527

Reasons to consider the AMD EPYC 7552

36 more cores, run more applications at once: 48 vs 12
72 more threads: 96 vs 24
6x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
3x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 49% better performance in PassMark - CPU mark: 72235 vs 48529

Specifications (specs)
Number of cores	48 vs 12
Number of threads	96 vs 24
L1 cache	4.5 MB vs 768 KB
L2 cache	24 MB vs 12 MB
L3 cache	192 MB vs 64 MB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	72235 vs 48529

Compare benchmarks

CPU 1: AMD Ryzen 9 7900
CPU 2: AMD EPYC 7552

PassMark - Single thread mark

CPU 1

CPU 2

4141

1527

PassMark - CPU mark

CPU 1

CPU 2

48529

72235

Name	AMD Ryzen 9 7900	AMD EPYC 7552
PassMark - Single thread mark	4141	1527
PassMark - CPU mark	48529	72235
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	11047

Compare specifications (specs)

	AMD Ryzen 9 7900	AMD EPYC 7552
Essentials
Architecture codename	Zen 4	Zen 2
Launch date	14 Jan 2023	7 Aug 2019
Launch price (MSRP)	$429
OPN Tray	100-000000590
Place in performance rating	10	632
Vertical segment	Desktop
Performance
Base frequency	3.7 GHz	2.2 GHz
Die size	71 mm²	74 mm²
L1 cache	768 KB	4.5 MB
L2 cache	12 MB	24 MB
L3 cache	64 MB	192 MB
Manufacturing process technology	5 nm	7 nm
Maximum case temperature (TCase)	47 °C
Maximum core temperature	95 °C
Maximum frequency	5.4 GHz	3.35 GHz
Number of cores	12	48
Number of threads	24	96
Transistor count	13140 million	3800 million
Unlocked
Memory
ECC memory support
Max memory channels	2	8
Supported memory types	DDR5-5200	DDR4-3200
Compatibility
Max number of CPUs in a configuration	1	2
Sockets supported	AM5	SP3
Thermal Design Power (TDP)	65 Watt	200 Watt
Peripherals
Max number of PCIe lanes	24
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™)