AMD Ryzen 9 PRO 7945 vs AMD EPYC 7573X

Comparative analysis of AMD Ryzen 9 PRO 7945 and AMD EPYC 7573X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD Ryzen 9 PRO 7945

AMD EPYC 7573X

Differences

Reasons to consider the AMD Ryzen 9 PRO 7945

CPU is newer: launch date 1 year(s) 2 month(s) later
Around 50% higher clock speed: 5.4 GHz vs 3.6 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm
4.3x lower typical power consumption: 65 Watt vs 280 Watt
Around 58% better performance in PassMark - Single thread mark: 4175 vs 2650

Specifications (specs)
Launch date	13 Jun 2023 vs 22 Mar 2022
Maximum frequency	5.4 GHz vs 3.6 GHz
Manufacturing process technology	5 nm vs 7 nm
Thermal Design Power (TDP)	65 Watt vs 280 Watt
Benchmarks
PassMark - Single thread mark	4175 vs 2650

Reasons to consider the AMD EPYC 7573X

20 more cores, run more applications at once: 32 vs 12
40 more threads: 64 vs 24
2.7x more L1 cache, more data can be stored in the L1 cache for quick access later
1398101.3x more L2 cache, more data can be stored in the L2 cache for quick access later
12582912x more L3 cache, more data can be stored in the L3 cache for quick access later
2.3x better performance in PassMark - CPU mark: 103531 vs 45656

Specifications (specs)
Number of cores	32 vs 12
Number of threads	64 vs 24
L1 cache	2 MB vs 64K (per core)
L2 cache	16 MB vs 1MB (per core)
L3 cache	768 MB vs 64MB (shared)
Benchmarks
PassMark - CPU mark	103531 vs 45656

Compare benchmarks

CPU 1: AMD Ryzen 9 PRO 7945
CPU 2: AMD EPYC 7573X

PassMark - Single thread mark

CPU 1

CPU 2

4175

2650

PassMark - CPU mark

CPU 1

CPU 2

45656

103531

Name	AMD Ryzen 9 PRO 7945	AMD EPYC 7573X
PassMark - Single thread mark	4175	2650
PassMark - CPU mark	45656	103531

Compare specifications (specs)

	AMD Ryzen 9 PRO 7945	AMD EPYC 7573X
Essentials
Launch date	13 Jun 2023	22 Mar 2022
Place in performance rating	86	89
Architecture codename		Zen 3
Launch price (MSRP)		$5590
Performance
Base frequency	3.7 GHz	2.8 GHz
Die size	2x 71 mm²	81 mm²
L1 cache	64K (per core)	2 MB
L2 cache	1MB (per core)	16 MB
L3 cache	64MB (shared)	768 MB
Manufacturing process technology	5 nm	7 nm
Maximum case temperature (TCase)	47°C
Maximum core temperature	95°C
Maximum frequency	5.4 GHz	3.6 GHz
Number of cores	12	32
Number of threads	24	64
Transistor count	13,140 million	33200 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5-5200 MHz, Dual-channel	DDR4-3200
Max memory channels		8
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM5	SP3
Thermal Design Power (TDP)	65 Watt	280 Watt
Configurable TDP		225-280 Watt
Peripherals
PCIe configurations	Gen 5, 24 Lanes, (CPU only)
Max number of PCIe lanes		128
PCI Express revision		4.0