Comparison of Intel Xeon Gold 6142 and Intel Xeon Gold 6146

Attribute	Intel Xeon Gold 6146 ×	Intel Xeon Gold 6142 ×
General Information
Brand	Intel	Intel
Series	Intel Xeon Gold	Intel Xeon Gold
Model	Intel Xeon Gold 6146	Intel Xeon Gold 6142
CPU Cores and Base Frequency
CPU Cores	12	16
Frequency (GHz)	3.2	2.6
CPU Threads	24	32
Core architecture	normal	normal
Hyperthreading	+	+
Overclocking	-	-
Turbo (1 Core) (GHz)	4.2	3.7
Turbo (12 Cores) (GHz)	3.6	-
Turbo (16 Cores) (GHz)	-	2.9
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	48	48
PCIe version	3.0	3.0
ECC	+	+
Memory channels	6	6
Technical details
Release date (year)	2017	2017
Technology (Nm)	14	14
Socket	LGA 3647	LGA 3647
Virtualization	vpro vt-d vt-x vt-x ept	vpro vt-d vt-x vt-x ept
L3-Cache (MB)	25	22
Architecture	Skylake SP	Skylake SP
Instruction set (ISA)	x86-64 (64 bit)	x86-64 (64 bit)
Thermal Management
TDP (PL1) (W)	165	150
Benchmarks
Estimated results for PassMark CPU Mark	25,142	28,848
Cinebench R15 (Single-Core)	183	161
Cinebench R15 (Multi-Core)	2,399	2,578
Cinebench R11.5, 64bit (Single-Core)	2.16	1.9
Cinebench R11.5, 64bit (Multi-Core)	26.37	28.34
Geekbench 3, 64bit (Single-Core)	4,705	4,139
Geekbench 3, 64bit (Multi-Core)	45,068	48,434