CPU
CPU Comparison
Manufacturer
Intel
Manufacturer
Intel
Manufacturer
Intel
Part #
BX80673I97940X
Part #
BX80684I79700K
Part #
BX80684I99900K
Series
Intel Core i9
Series
Intel Core i7
Series
Intel Core i9
Microarchitecture
Skylake
Microarchitecture
Coffee Lake Refresh
Microarchitecture
Coffee Lake Refresh
Core Family
Skylake-X
Core Family
Coffee Lake Refresh
Core Family
Coffee Lake Refresh
Socket
LGA2066
Socket
LGA1151
Socket
LGA1151
Core Count
14
Core Count
8
Core Count
8
Thread Count
28
Thread Count
8
Thread Count
16
Performance Core Clock
3.1 GHz
Performance Core Clock
3.6 GHz
Performance Core Clock
3.6 GHz
Performance Core Boost Clock
4.4 GHz
Performance Core Boost Clock
4.9 GHz
Performance Core Boost Clock
5 GHz
L2 Cache
14 MB
L2 Cache
2 MB
L2 Cache
2 MB
L3 Cache
19.25 MB
L3 Cache
12 MB
L3 Cache
16 MB
TDP
165 W
TDP
95 W
TDP
95 W
Integrated Graphics
None
Integrated Graphics
Intel UHD Graphics 630
Integrated Graphics
Intel UHD Graphics 630
Maximum Supported Memory
128 GB
Maximum Supported Memory
128 GB
Maximum Supported Memory
128 GB
ECC Support
No
ECC Support
No
ECC Support
No
Includes Cooler
No
Includes Cooler
No
Includes Cooler
No
Packaging
Boxed
Packaging
Boxed
Packaging
Boxed
Includes CPU Cooler
No
Includes CPU Cooler
No
Includes CPU Cooler
No
Lithography
14 nm
Lithography
14 nm
Lithography
14 nm
Simultaneous Multithreading
Yes: Hyper-Threading
Simultaneous Multithreading
No
Simultaneous Multithreading
Yes: Hyper-Threading