Comparison of AMD Epyc 7281 and AMD Epyc 7301

Attribute	AMD Epyc 7301 ×	AMD Epyc 7281 ×
General Information
Brand	AMD	AMD
Series	AMD Epyc	AMD Epyc
Model	AMD Epyc 7301	AMD Epyc 7281
CPU Cores and Base Frequency
CPU Cores	16	16
Frequency (GHz)	2.2	2.2
CPU Threads	32	32
Core architecture	normal	normal
Hyperthreading	+	+
Overclocking	-	-
Turbo (1 Core) (GHz)	2.7	2.7
Turbo (16 Cores) (GHz)	2.7	2.7
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	14,980	13,293
Cinebench R15 (Single-Core)	119	119
Cinebench R15 (Multi-Core)	2,033	2,033
Cinebench R11.5, 64bit (Single-Core)	1.46	1.46
Cinebench R11.5, 64bit (Multi-Core)	20.61	20.61
Geekbench 3, 64bit (Single-Core)	3,175	3,175
Geekbench 3, 64bit (Multi-Core)	35,367	35,367