Comparison of Intel Xeon W-2140B and Intel Xeon W-2145

Attribute	Intel Xeon W-2145 ×	Intel Xeon W-2140B ×
General Information
Brand	Intel	Intel
Series	Intel Xeon W	Intel Xeon W
Model	Intel Xeon W-2145	Intel Xeon W-2140B
CPU Cores and Base Frequency
CPU Cores	8	8
Frequency (GHz)	3.7	3.2
CPU Threads	16	16
Core architecture	normal	normal
Hyperthreading	+	+
Overclocking	-	-
Turbo (1 Core) (GHz)	4.5	4.5
Turbo (8 Cores) (GHz)	4.2	3.8
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
Max. Memory (GB)	512	512
PCIe lanes	48	48
PCIe version	3.0	3.0
ECC	+	+
Memory channels	4	4
Technical details
Release date (year)	2017	2017
Technology (Nm)	14	14
Socket	LGA 2066	LGA 2066
Virtualization	vpro vt-d vt-x vt-x ept	vpro vt-d vt-x vt-x ept
L3-Cache (MB)	11	11
Architecture	Cascade Lake SP	Cascade Lake SP
Instruction set (ISA)	x86-64 (64 bit)	x86-64 (64 bit)
Thermal Management
TDP (PL1) (W)	140	105
Benchmarks
Estimated results for PassMark CPU Mark	19,768	18,620
Geekbench 5, 64bit (Single-Core)	1,081	1,059
Geekbench 5, 64bit (Multi-Core)	8,351	7,969
Cinebench R15 (Single-Core)	193	193
Cinebench R15 (Multi-Core)	1,852	1,745