AMD EPYC 7402P vs AMD EPYC 7401

Comparative analysis of AMD EPYC 7402P and AMD EPYC 7401 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD EPYC 7402P

AMD EPYC 7401

Differences

Reasons to consider the AMD EPYC 7402P

CPU is newer: launch date 2 year(s) 2 month(s) later
Around 12% higher clock speed: 3.35 GHz vs 3 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm, 14 nm vs 14 nm
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 6% better performance in PassMark - Single thread mark: 1970 vs 1850

Specifications (specs)
Launch date	7 Aug 2019 vs June 2017
Maximum frequency	3.35 GHz vs 3 GHz
Manufacturing process technology	7 nm, 14 nm vs 14 nm
L3 cache	128 MB vs 64 MB
Benchmarks
PassMark - Single thread mark	1970 vs 1850

Reasons to consider the AMD EPYC 7401

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 6% lower typical power consumption: 155/170 Watt vs 180 Watt
Around 28% better performance in PassMark - CPU mark: 55280 vs 43091

Specifications (specs)
Unlocked	Unlocked vs Locked
L1 cache	96 KB (per core) vs 1.5 MB
Max number of CPUs in a configuration	2 vs 1
Thermal Design Power (TDP)	155/170 Watt vs 180 Watt
Benchmarks
PassMark - CPU mark	55280 vs 43091

Compare benchmarks

CPU 1: AMD EPYC 7402P
CPU 2: AMD EPYC 7401

PassMark - Single thread mark

CPU 1

CPU 2

1970

1850

PassMark - CPU mark

CPU 1

CPU 2

43091

55280

Name	AMD EPYC 7402P	AMD EPYC 7401
PassMark - Single thread mark	1970	1850
PassMark - CPU mark	43091	55280
Geekbench 4 - Single Core		3541
Geekbench 4 - Multi-Core		24681

Compare specifications (specs)

	AMD EPYC 7402P	AMD EPYC 7401
Essentials
Architecture codename	Zen 2	Zen
Launch date	7 Aug 2019	June 2017
Launch price (MSRP)	$1250
OPN PIB	100-100000048WOF
OPN Tray	100-000000048
Place in performance rating	602	124
Vertical segment	Server	Server
Family		AMD EPYC
Series		AMD EPYC 7000 Series
Performance
Base frequency	2.8 GHz	2 GHz
L1 cache	1.5 MB	96 KB (per core)
L2 cache	12 MB	512 KB (per core)
L3 cache	128 MB	64 MB
Manufacturing process technology	7 nm, 14 nm	14 nm
Maximum frequency	3.35 GHz	3 GHz
Number of cores	24	24
Number of threads	48	48
Unlocked
64 bit support
Die size		192 mm
Transistor count		4800 million
Memory
ECC memory support
Max memory channels	8	8
Maximum memory bandwidth	190.7 GB/s	307/341 GB/s
Maximum memory size	4 TB
Supported memory types	DDR4-3200	DDR4
Supported memory frequency		2400/2666 MHz
Compatibility
Max number of CPUs in a configuration	1	2
Sockets supported	SP3	TR4
Thermal Design Power (TDP)	180 Watt	155/170 Watt
Socket Count		1P/2P
Peripherals
Max number of PCIe lanes	128
PCI Express revision	4.0	x128
PCIe configurations	x16, x8
Advanced Technologies
AMD SenseMI
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)