Intel Core i9 9940X specifications and performance

Intel Core i9 9940X is a 14 cores and 28 threads CPU processor produced by Intel. Intel Core i9 9940X was released on 2018-10-08, the fabrication process is 14nm (nanometer), the CPU codename is Skylake, the instruction set architecture is x86-64, and the CPU's integrated graphics (iGPU) is -.

Basic Information

Vendor / Supplier Intel
Short name i9 9940x
Release date 2018-10-08
CPU code name Skylake
Fabrication process 14nm (nanometer)
Instruction set architecture x86-64
Market Desktop
Integrated Graphics (iGPU)

CPU core specifications

Total number of cores 14 cores
Total number of threads 28 threads
Number of performance cores 14 cores
Number of performance core threads 28 threads
Performance core base frequency / main frequency 3.3GHz
Performance core maximum turbo frequency 4.4GHz
Number of energy efficiency cores
Number of energy-efficient core threads
Energy efficiency core basic frequency / main frequency
Energy efficiency core maximum turbo frequency

CPU cache and frequency

Bus frequency 100MHz
L1 Cache 64 KB
L2 Cache 1 MB
L3 Cache 20 MB
Unlock multiplier Yes

Memory specifications

Maximum supported memory 128GB
Memory frequency support
  • - DDR4-2666MHz
Maximum number of memory channels 4
Maximum memory bandwidth
ECC support No

Package specifications

CPU Socket LGA-2066
Default thermal design power / TDP PL1 165W
Maximum Turbo Power Consumption / TDP PL2
Maximum temperature 88°C
PCIe interface PCIe 3.0
PCIe lane count 44

Integrated Graphics specifications

Integrated Graphics (iGPU) Intel UHD Graphics 630
Base frequency 350MHz
Maximum acceleration frequency 1200MHz
Number of execution units 24
Stream Processors / Shading Units 192
Texture Units / TMUs 24
Raster Operations Units / ROPs 3
Total Graphics Power / TGP 15W
FP32 computing performance

Cinebench R23 performance test

Single core performance score
Multi-core performance score

PassMark performance test

Single core performance score
Multi-core performance score
Integer math 105 GOps/sec
Floating point math 65 GOps/sec
Find prime numbers 97 Million Primes/sec (Millions find prime numbers per second)
Random string sorting 59 Million Strings/sec (Millions random string sorting per second)
Data encryption 10.7 GBytes/sec (Gigabits per second)
Data compression 467.6 MBytes/sec (megabits per second)
Physics simulation 1392 Frames/sec (FPS)
Extended instruction test 35.7 Billion Matrices/sec (Billions matrix operations per second)

GeekBench v6 performance test

Single core performance
Multi-core performance
File compression 885.4 MB/sec (megabits per second)
clang compilation 108.9 Klines/sec (thousands lines per second)
HTML5 browsing 270.4 pages/sec (pages per second)
PDF rendering 320.8 Mpixels/sec (megapixels per second)
Text processing 159.5 pages/sec (pages per second)
Background blur 29.5 images/sec (images per second)
Photo processing 96.2 images/sec (images per second)
Ray tracing 17.2 Mpixels/sec (megapixels per second)