Comparison of Intel Xeon E5-2643 v3 and Intel Xeon Gold 6146

Attribute	Intel Xeon Gold 6146 ×	Intel Xeon E5-2643 v3 ×
General Information
Brand	Intel	Intel
Series	Intel Xeon Gold	Intel Xeon E5
Model	Intel Xeon Gold 6146	Intel Xeon E5-2643 v3
CPU Cores and Base Frequency
CPU Cores	12	6
Frequency (GHz)	3.2	3.4
CPU Threads	24	12
Core architecture	normal	normal
Hyperthreading	+	+
Overclocking	-	-
Turbo (1 Core) (GHz)	4.2	3.7
Turbo (6 Cores) (GHz)	-	3.6
Turbo (12 Cores) (GHz)	3.6	-
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	DDR4-2133
PCIe lanes	48	40
PCIe version	3.0	3.0
ECC	+	+
Memory channels	6	4
Technical details
Release date (year)	2017	2014
Technology (Nm)	14	22
Socket	LGA 3647	LGA 2011-3
Virtualization	vpro vt-d vt-x vt-x ept	vpro vt-d vt-x vt-x ept
L3-Cache (MB)	25	20
Architecture	Skylake SP	Haswell E
Instruction set (ISA)	x86-64 (64 bit)	x86-64 (64 bit)
Thermal Management
TDP (PL1) (W)	165	135
Benchmarks
Estimated results for PassMark CPU Mark	25,142	13,887
Geekbench 5, 64bit (Single-Core)	-	625
Geekbench 5, 64bit (Multi-Core)	-	2,816
Cinebench R15 (Single-Core)	183	142
Cinebench R15 (Multi-Core)	2,399	1,149
Cinebench R11.5, 64bit (Single-Core)	2.16	1.78
Cinebench R11.5, 64bit (Multi-Core)	26.37	11.7
Geekbench 3, 64bit (Single-Core)	4,705	3,844
Geekbench 3, 64bit (Multi-Core)	45,068	24,408