Intel Core i9 9940X
The Intel Core i9 9940X is a desktop-class CPU manufactured by Intel, built on Intel's officially announced 14 nm process technology, released in October 2018. This processor features a 14-core 28-thread architecture design, with a base clock of 3.3 GHz and a maximum boost clock reaching up to 4.4 GHz, equipped with 20 MB shared of L3 cache, utilizing the LGA-2066 socket. Overall specifications are targeted at desktop application scenarios.
Processor Number
i9-9940X
Core Architecture
Skylake
Performance Core Threads
28
Performance Core Turbo Frequency
4.4 GHz
Performance Core Base Frequency
3.3 GHz
Power Consumption
165 W
L1 Cache
64 K per core
Socket
LGA-2066
Max Memory Size
128 GB
Memory Types
DDR4-2666
Max Memory Bandwidth
85 GB/s
General Parameters
Release Date
Oct 2018
Manufacturer
Intel
Type
Desktop
Instruction Set
i
x86-64
Core Architecture
Skylake
Processor Number
i9-9940X
Integrated Graphics
i
N/A
Package
Manufacturing Process
14 nm
Socket
LGA-2066
Power Consumption
165 W
Peak Operating Temperature
88 °C
CPU Performance
Performance Cores
14
Performance Core Threads
28
Performance Core Base Frequency
3.3 GHz
Performance Core Turbo Frequency
4.4 GHz
Total Core Count
14
Total Thread Count
28
Bus Frequency
100 MHz
Multiplier
33x
L1 Cache
64 K per core
L2 Cache
1 MB per core
L3 Cache
20 MB shared
Unlocked Multiplier
Yes
Memory Parameters
Memory Types
DDR4-2666
Max Memory Size
128 GB
Max Memory Channels
4
Max Memory Bandwidth
85 GB/s
ECC Memory Support
No
Miscellaneous
Official Website
PCIe Version
i
3.0
PCIe Lanes
44
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512