AMD Ryzen 5 PRO 7645 vs AMD EPYC 7473X

Comparative analysis of AMD Ryzen 5 PRO 7645 and AMD EPYC 7473X 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 5 PRO 7645

AMD EPYC 7473X

Differences

Reasons to consider the AMD Ryzen 5 PRO 7645

CPU is newer: launch date 1 year(s) 2 month(s) later
Around 38% higher clock speed: 5.1 GHz vs 3.7 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm
3.7x lower typical power consumption: 65 Watt vs 240 Watt
Around 77% better performance in PassMark - Single thread mark: 3901 vs 2201

Specifications (specs)
Launch date	13 Jun 2023 vs 22 Mar 2022
Maximum frequency	5.1 GHz vs 3.7 GHz
Manufacturing process technology	5 nm vs 7 nm
Thermal Design Power (TDP)	65 Watt vs 240 Watt
Benchmarks
PassMark - Single thread mark	3901 vs 2201

Reasons to consider the AMD EPYC 7473X

18 more cores, run more applications at once: 24 vs 6
36 more threads: 48 vs 12
4x more L1 cache, more data can be stored in the L1 cache for quick access later
2097152x more L2 cache, more data can be stored in the L2 cache for quick access later
25165824x more L3 cache, more data can be stored in the L3 cache for quick access later
3x better performance in PassMark - CPU mark: 81282 vs 27106

Specifications (specs)
Number of cores	24 vs 6
Number of threads	48 vs 12
L1 cache	1.5 MB vs 64K (per core)
L2 cache	12 MB vs 1MB (per core)
L3 cache	768 MB vs 32MB (shared)
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	81282 vs 27106

Compare benchmarks

CPU 1: AMD Ryzen 5 PRO 7645
CPU 2: AMD EPYC 7473X

PassMark - Single thread mark

CPU 1

CPU 2

3901

2201

PassMark - CPU mark

CPU 1

CPU 2

27106

81282

Name	AMD Ryzen 5 PRO 7645	AMD EPYC 7473X
PassMark - Single thread mark	3901	2201
PassMark - CPU mark	27106	81282

Compare specifications (specs)

	AMD Ryzen 5 PRO 7645	AMD EPYC 7473X
Essentials
Launch date	13 Jun 2023	22 Mar 2022
Place in performance rating	203	205
Architecture codename		Zen 3
Launch price (MSRP)		$3900
Performance
Base frequency	3.8 GHz	2.8 GHz
Die size	71 mm²	81 mm²
L1 cache	64K (per core)	1.5 MB
L2 cache	1MB (per core)	12 MB
L3 cache	32MB (shared)	768 MB
Manufacturing process technology	5 nm	7 nm
Maximum case temperature (TCase)	61°C
Maximum core temperature	95°C
Maximum frequency	5.1 GHz	3.7 GHz
Number of cores	6	24
Number of threads	12	48
Transistor count	6,570 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	2
Sockets supported	AM5
Thermal Design Power (TDP)	65 Watt	240 Watt
Configurable TDP		225-280 Watt
Socket Count		SP3
Peripherals
PCIe configurations	Gen 5, 24 Lanes, (CPU only)
Max number of PCIe lanes		128
PCI Express revision		4.0