AMD EPYC 7401P vs AMD EPYC 7551

Comparative analysis of AMD EPYC 7401P 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 EPYC 7401P

AMD EPYC 7551

Differences

Reasons to consider the AMD EPYC 7401P

Around 6% lower typical power consumption: 155/170 Watt vs 180 Watt

Thermal Design Power (TDP)	155/170 Watt vs 180 Watt

Reasons to consider the AMD EPYC 7551

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 1% better performance in PassMark - Single thread mark: 1742 vs 1724
2x better performance in PassMark - CPU mark: 56671 vs 28293
4.2x better performance in Geekbench 4 - Single Core: 2956 vs 699
2.8x better performance in Geekbench 4 - Multi-Core: 20125 vs 7285

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)
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - Single thread mark	1742 vs 1724
PassMark - CPU mark	56671 vs 28293
Geekbench 4 - Single Core	2956 vs 699
Geekbench 4 - Multi-Core	20125 vs 7285

Compare benchmarks

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

PassMark - Single thread mark

CPU 1

CPU 2

1724

1742

PassMark - CPU mark

CPU 1

CPU 2

28293

56671

Geekbench 4 - Single Core

CPU 1

CPU 2

699

2956

Geekbench 4 - Multi-Core

CPU 1

CPU 2

7285

20125

Name	AMD EPYC 7401P	AMD EPYC 7551
PassMark - Single thread mark	1724	1742
PassMark - CPU mark	28293	56671
Geekbench 4 - Single Core	699	2956
Geekbench 4 - Multi-Core	7285	20125

Compare specifications (specs)

	AMD EPYC 7401P	AMD EPYC 7551
Essentials
Architecture codename	Zen	Zen
Family	AMD EPYC	AMD EPYC
Launch date	June 2017	June 2017
Place in performance rating	1215	230
Price now	$1,414.80	$3,813.99
Series	AMD EPYC 7000 Series	AMD EPYC 7000 Series
Value for money (0-100)	3.86	1.43
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	2
Socket Count	1P	1P/2P
Sockets supported	TR4	TR4
Thermal Design Power (TDP)	155/170 Watt	180 Watt
Peripherals
PCI Express revision	x128	x128
Virtualization
AMD Virtualization (AMD-V™)