AMD EPYC 7502 vs AMD EPYC 7401

Comparative analysis of AMD EPYC 7502 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 7502

AMD EPYC 7401

Differences

Reasons to consider the AMD EPYC 7502

CPU is newer: launch date 2 year(s) 2 month(s) later
8 more cores, run more applications at once: 32 vs 24
16 more threads: 64 vs 48
Around 12% higher clock speed: 3.35 GHz vs 3 GHz
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 18% better performance in PassMark - Single thread mark: 2189 vs 1850
Around 46% better performance in PassMark - CPU mark: 80680 vs 55280

Specifications (specs)
Launch date	7 Aug 2019 vs June 2017
Number of cores	32 vs 24
Number of threads	64 vs 48
Maximum frequency	3.35 GHz vs 3 GHz
L2 cache	16 MB vs 512 KB (per core)
L3 cache	128 MB vs 64 MB
Benchmarks
PassMark - Single thread mark	2189 vs 1850
PassMark - CPU mark	80680 vs 55280

Reasons to consider the AMD EPYC 7401

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 13% 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

Unlocked	Unlocked vs Locked
L1 cache	96 KB (per core) vs 2 MB
Thermal Design Power (TDP)	155/170 Watt vs 180 Watt

Compare benchmarks

CPU 1: AMD EPYC 7502
CPU 2: AMD EPYC 7401

PassMark - Single thread mark

CPU 1

CPU 2

2189

1850

PassMark - CPU mark

CPU 1

CPU 2

80680

55280

Name	AMD EPYC 7502	AMD EPYC 7401
PassMark - Single thread mark	2189	1850
PassMark - CPU mark	80680	55280
Geekbench 4 - Single Core		3541
Geekbench 4 - Multi-Core		24681

Compare specifications (specs)

	AMD EPYC 7502	AMD EPYC 7401
Essentials
Architecture codename	Zen 2	Zen
Family	EPYC	AMD EPYC
Launch date	7 Aug 2019	June 2017
Launch price (MSRP)	$2600
OPN PIB	100-100000054WOF
OPN Tray	100-000000054
Place in performance rating	168	125
Processor Number	7502
Series	7002	AMD EPYC 7000 Series
Vertical segment	Server	Server
Performance
Base frequency	2.5 GHz	2 GHz
L1 cache	2 MB	96 KB (per core)
L2 cache	16 MB	512 KB (per core)
L3 cache	128 MB	64 MB
Maximum frequency	3.35 GHz	3 GHz
Number of cores	32	24
Number of threads	64	48
Unlocked
64 bit support
Die size		192 mm
Manufacturing process technology		14 nm
Transistor count		4800 million
Memory
ECC memory support
Max memory channels	8	8
Maximum memory bandwidth	204.8 GB/s	307/341 GB/s
Maximum memory size	4 TB
Supported memory types	DDR4-3200	DDR4
Supported memory frequency		2400/2666 MHz
Compatibility
Socket Count	1P/2P	1P/2P
Sockets supported	SP3	TR4
Thermal Design Power (TDP)	180 Watt	155/170 Watt
Max number of CPUs in a configuration		2
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™)