Comparison of Intel Core i9-9920X and Intel Core i9-9940X

Attribute	Intel Core i9-9940X ×	Intel Core i9-9920X ×
General Information
Brand	Intel	Intel
Series	Intel Core i9	Intel Core i9
Model	Intel Core i9-9940X	Intel Core i9-9920X
CPU Cores and Base Frequency
CPU Cores	14	12
Frequency (GHz)	3.3	3.5
CPU Threads	28	24
Core architecture	normal	normal
Hyperthreading	+	+
Overclocking	+	+
Turbo (1 Core) (GHz)	4.5	4.5
Turbo (12 Cores) (GHz)	-	4.3
Turbo (14 Cores) (GHz)	4.2	-
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)	128	128
PCIe lanes	44	44
PCIe version	3.0	3.0
ECC	-	-
Memory channels	4	4
Technical details
Release date (year)	2018	2018
Technology (Nm)	14	14
Socket	LGA 2066	LGA 2066
Virtualization	vt-d vt-x vt-x ept	vt-d vt-x vt-x ept
L3-Cache (MB)	19	19
Architecture	Skylake	Skylake
Instruction set (ISA)	x86-64 (64 bit)	x86-64 (64 bit)
Thermal Management
Temp junction max (°C)	92	92
TDP (PL1) (W)	165	165
Benchmarks
Estimated results for PassMark CPU Mark	27,017	25,167
Geekbench 5, 64bit (Single-Core)	1,164	1,154
Geekbench 5, 64bit (Multi-Core)	13,946	12,763
Cinebench R15 (Single-Core)	197	197
Cinebench R15 (Multi-Core)	2,587	2,245
Cinebench R20 (Single-Core)	457	455
Cinebench R20 (Multi-Core)	5,912	5,179
Blender 2.81 (bmw27)	-	138