Comparison of AMD Epyc 7251 and Intel Xeon Silver 4109T

Attribute	AMD Epyc 7251 ×	Intel Xeon Silver 4109T ×
General Information
Brand	AMD	Intel
Series	AMD Epyc	Intel Xeon Silver
Model	AMD Epyc 7251	Intel Xeon Silver 4109T
CPU Cores and Base Frequency
CPU Cores	8	8
Frequency (GHz)	2.1	2
CPU Threads	16	16
Core architecture	normal	normal
Hyperthreading	+	+
Overclocking	-	-
Turbo (1 Core) (GHz)	2.9	3
Turbo (8 Cores) (GHz)	2.9	2.5
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	DDR4-2400
PCIe lanes	128	48
PCIe version	3.0	3.0
ECC	+	+
Memory channels	8	6
Technical details
Release date (year)	2017	2017
Technology (Nm)	14	14
Socket	SP3	LGA 3647
Virtualization	amd-v sev	vpro vt-d vt-x vt-x ept
L3-Cache (MB)	32	11
Architecture	Zen	Skylake SP
Instruction set (ISA)	x86-64 (64 bit)	x86-64 (64 bit)
Thermal Management
TDP (PL1) (W)	120	70
Benchmarks
Estimated results for PassMark CPU Mark	11,809	10,950
Cinebench R15 (Single-Core)	128	131
Cinebench R15 (Multi-Core)	1,093	1,103
Cinebench R11.5, 64bit (Single-Core)	1.57	1.54
Cinebench R11.5, 64bit (Multi-Core)	11.04	12.13
Geekbench 3, 64bit (Single-Core)	3,410	3,353
Geekbench 3, 64bit (Multi-Core)	18,947	20,724