AMD EPYC 7401P vs AMD EPYC 7551P

Comparative analysis of AMD EPYC 7401P and AMD EPYC 7551P 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 EPYC 7401P

AMD EPYC 7551P

Differences

Reasons to consider the AMD EPYC 7401P

Around 6% lower typical power consumption: 155/170 Watt vs 180 Watt
Around 15% better performance in Geekbench 4 - Single Core: 699 vs 609
Around 10% better performance in Geekbench 4 - Multi-Core: 7285 vs 6648

Specifications (specs)
Thermal Design Power (TDP)	155/170 Watt vs 180 Watt
Benchmarks
Geekbench 4 - Single Core	699 vs 609
Geekbench 4 - Multi-Core	7285 vs 6648

Reasons to consider the AMD EPYC 7551P

8 more cores, run more applications at once: 32 vs 24
16 more threads: 64 vs 48
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 2% better performance in PassMark - Single thread mark: 1770 vs 1731
Around 34% better performance in PassMark - CPU mark: 38126 vs 28546

Specifications (specs)
Number of cores	32 vs 24
Number of threads	64 vs 48
L1 cache	96 KB (per core) vs 96 KB (per core)
L2 cache	512 KB (per core) vs 512 KB (per core)
Benchmarks
PassMark - Single thread mark	1770 vs 1731
PassMark - CPU mark	38126 vs 28546

Compare benchmarks

CPU 1: AMD EPYC 7401P
CPU 2: AMD EPYC 7551P

PassMark - Single thread mark

CPU 1

CPU 2

1731

1770

PassMark - CPU mark

CPU 1

CPU 2

28546

38126

Geekbench 4 - Single Core

CPU 1

CPU 2

699

609

Geekbench 4 - Multi-Core

CPU 1

CPU 2

7285

6648

Name	AMD EPYC 7401P	AMD EPYC 7551P
PassMark - Single thread mark	1731	1770
PassMark - CPU mark	28546	38126
Geekbench 4 - Single Core	699	609
Geekbench 4 - Multi-Core	7285	6648

Compare specifications (specs)

	AMD EPYC 7401P	AMD EPYC 7551P
Essentials
Architecture codename	Zen	Zen
Family	AMD EPYC	AMD EPYC
Launch date	June 2017	June 2017
Place in performance rating	1288	1235
Price now	$1,414.80
Series	AMD EPYC 7000 Series	AMD EPYC 7000 Series
Value for money (0-100)	3.86
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2 GHz	2 GHz
Die size	192 mm	192 mm
L1 cache	96 KB (per core)	96 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
L3 cache	64 MB	64 MB
Manufacturing process technology	14 nm	14 nm
Maximum frequency	3 GHz	3 GHz
Number of cores	24	32
Number of threads	48	64
Transistor count	4800 million	4800 million
Unlocked
Memory
Max memory channels	8	8
Maximum memory bandwidth	307/341 GB/s	341 GB/s
Supported memory frequency	2400/2666 MHz	2666 MHz
Supported memory types	DDR4	DDR4
Compatibility
Max number of CPUs in a configuration	1	1
Socket Count	1P	1P
Sockets supported	TR4	TR4
Thermal Design Power (TDP)	155/170 Watt	180 Watt
Peripherals
PCI Express revision	x128	x128
Virtualization
AMD Virtualization (AMD-V™)