AMD Ryzen 9 PRO 7945 vs AMD EPYC 9534

Comparative analysis of AMD Ryzen 9 PRO 7945 and AMD EPYC 9534 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 9534

Differences

Reasons to consider the AMD Ryzen 9 PRO 7945

CPU is newer: launch date 7 month(s) later
Around 46% higher clock speed: 5.4 GHz vs 3.7 GHz
4.3x lower typical power consumption: 65 Watt vs 280 Watt
Around 62% better performance in PassMark - Single thread mark: 4178 vs 2579

Specifications (specs)
Launch date	13 Jun 2023 vs 10 Nov 2022
Maximum frequency	5.4 GHz vs 3.7 GHz
Thermal Design Power (TDP)	65 Watt vs 280 Watt
Benchmarks
PassMark - Single thread mark	4178 vs 2579

Reasons to consider the AMD EPYC 9534

52 more cores, run more applications at once: 64 vs 12
104 more threads: 128 vs 24
5.3x more L1 cache, more data can be stored in the L1 cache for quick access later
5.3x more L2 cache, more data can be stored in the L2 cache for quick access later
4x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 96% better performance in PassMark - CPU mark: 93884 vs 47830

Specifications (specs)
Number of cores	64 vs 12
Number of threads	128 vs 24
L1 cache	64K (per core) vs 64K (per core)
L2 cache	1MB (per core) vs 1MB (per core)
L3 cache	256MB (shared) vs 64MB (shared)
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	93884 vs 47830

Compare benchmarks

CPU 1: AMD Ryzen 9 PRO 7945
CPU 2: AMD EPYC 9534

PassMark - Single thread mark

CPU 1

CPU 2

4178

2579

PassMark - CPU mark

CPU 1

CPU 2

47830

93884

Name	AMD Ryzen 9 PRO 7945	AMD EPYC 9534
PassMark - Single thread mark	4178	2579
PassMark - CPU mark	47830	93884

Compare specifications (specs)

	AMD Ryzen 9 PRO 7945	AMD EPYC 9534
Essentials
Launch date	13 Jun 2023	10 Nov 2022
Place in performance rating	76	90
Launch price (MSRP)		$8803
Performance
Base frequency	3.7 GHz	2.45 GHz
Die size	2x 71 mm²	8x 72 mm²
L1 cache	64K (per core)	64K (per core)
L2 cache	1MB (per core)	1MB (per core)
L3 cache	64MB (shared)	256MB (shared)
Manufacturing process technology	5 nm	5 nm
Maximum case temperature (TCase)	47°C
Maximum core temperature	95°C
Maximum frequency	5.4 GHz	3.7 GHz
Number of cores	12	64
Number of threads	24	128
Transistor count	13,140 million	52,560 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5-5200 MHz, Dual-channel	DDR5-4800 MHz, Twelve-channel
Compatibility
Max number of CPUs in a configuration	1	2
Sockets supported	AM5	SP5
Thermal Design Power (TDP)	65 Watt	280 Watt
Configurable TDP		240-300 Watt
Peripherals
PCIe configurations	Gen 5, 24 Lanes, (CPU only)	Gen 5, 128 Lanes, (CPU only)