AMD Ryzen 7 PRO 7745 vs AMD EPYC 7551

Comparative analysis of AMD Ryzen 7 PRO 7745 and AMD EPYC 7551 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Ryzen 7 PRO 7745

AMD EPYC 7551

Differences

Reasons to consider the AMD Ryzen 7 PRO 7745

CPU is newer: launch date 6 year(s) 0 month(s) later
Around 77% higher clock speed: 5.3 GHz vs 3 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 14 nm
2.8x lower typical power consumption: 65 Watt vs 180 Watt
2.1x better performance in PassMark - Single thread mark: 3702 vs 1789

Specifications (specs)
Launch date	13 Jun 2023 vs June 2017
Maximum frequency	5.3 GHz vs 3 GHz
Manufacturing process technology	5 nm vs 14 nm
Thermal Design Power (TDP)	65 Watt vs 180 Watt
Benchmarks
PassMark - Single thread mark	3702 vs 1789

Reasons to consider the AMD EPYC 7551

Processor is unlocked, an unlocked multiplier allows for easier overclocking
24 more cores, run more applications at once: 32 vs 8
48 more threads: 64 vs 16
6x 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
2097152x more L3 cache, more data can be stored in the L3 cache for quick access later
2.1x better performance in PassMark - CPU mark: 57865 vs 28019

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	32 vs 8
Number of threads	64 vs 16
L1 cache	96 KB (per core) vs 64K (per core)
L2 cache	512 KB (per core) vs 1MB (per core)
L3 cache	64 MB vs 32MB (shared)
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	57865 vs 28019

Compare benchmarks

CPU 1: AMD Ryzen 7 PRO 7745
CPU 2: AMD EPYC 7551

PassMark - Single thread mark

CPU 1

CPU 2

3702

1789

PassMark - CPU mark

CPU 1

CPU 2

28019

57865

Name	AMD Ryzen 7 PRO 7745	AMD EPYC 7551
PassMark - Single thread mark	3702	1789
PassMark - CPU mark	28019	57865
Geekbench 4 - Single Core		2956
Geekbench 4 - Multi-Core		20125

Compare specifications (specs)

	AMD Ryzen 7 PRO 7745	AMD EPYC 7551
Essentials
Launch date	13 Jun 2023	June 2017
Place in performance rating	230	257
Architecture codename		Zen
Family		AMD EPYC
Price now		$3,813.99
Series		AMD EPYC 7000 Series
Value for money (0-100)		1.43
Vertical segment		Server
Performance
Base frequency	3.8 GHz	2 GHz
Die size	71 mm²	192 mm
L1 cache	64K (per core)	96 KB (per core)
L2 cache	1MB (per core)	512 KB (per core)
L3 cache	32MB (shared)	64 MB
Manufacturing process technology	5 nm	14 nm
Maximum case temperature (TCase)	61°C
Maximum core temperature	95°C
Maximum frequency	5.3 GHz	3 GHz
Number of cores	8	32
Number of threads	16	64
Transistor count	6,570 million	4800 million
Unlocked
64 bit support
Memory
ECC memory support
Supported memory types	DDR5-5200 MHz, Dual-channel	DDR4
Max memory channels		8
Maximum memory bandwidth		341 GB/s
Supported memory frequency		2666 MHz
Compatibility
Max number of CPUs in a configuration	1	2
Sockets supported	AM5	TR4
Thermal Design Power (TDP)	65 Watt	180 Watt
Socket Count		1P/2P
Peripherals
PCIe configurations	Gen 5, 24 Lanes, (CPU only)
PCI Express revision		x128
Virtualization
AMD Virtualization (AMD-V™)