Comparison of AMD Epyc 7281 and AMD Epyc 7401

Attribute	AMD Epyc 7401 ×	AMD Epyc 7281 ×
General Information
Brand	AMD	AMD
Series	AMD Epyc	AMD Epyc
Model	AMD Epyc 7401	AMD Epyc 7281
CPU Cores and Base Frequency
CPU Cores	24	16
Frequency (GHz)	2	2.2
CPU Threads	48	32
Core architecture	normal	normal
Hyperthreading	+	+
Overclocking	-	-
Turbo (1 Core) (GHz)	3	2.7
Turbo (16 Cores) (GHz)	-	2.7
Turbo (24 Cores) (GHz)	2.8	-
Encryption
AES-NI	+	+
Hardware codec support
JPEG	No	No
h264	No	No
h265 / HEVC (8 bit)	No	No
h265 / HEVC (10 bit)	No	No
VP8	No	No
AV1	No	No
VC-1	No	No
VP9	No	No
AVC	No	No
Memory And PCIe
Memory type	DDR4-2666	DDR4-2666
PCIe lanes	128	128
PCIe version	3.0	3.0
ECC	+	+
Memory channels	8	8
Technical details
Release date (year)	2017	2017
Technology (Nm)	14	14
Socket	SP3	SP3
Virtualization	amd-v sev	amd-v sev
L3-Cache (MB)	64	32
Architecture	Zen	Zen
Instruction set (ISA)	x86-64 (64 bit)	x86-64 (64 bit)
Thermal Management
TDP (PL1) (W)	170	170
Benchmarks
Estimated results for PassMark CPU Mark	20,221	13,293
Cinebench R15 (Single-Core)	132	119
Cinebench R15 (Multi-Core)	3,156	2,033
Cinebench R11.5, 64bit (Single-Core)	1.63	1.46
Cinebench R11.5, 64bit (Multi-Core)	31.96	20.61
Geekbench 3, 64bit (Single-Core)	3,528	3,175
Geekbench 3, 64bit (Multi-Core)	54,859	35,367