Intel Core i9 7900X specifications and performance

Intel Core i9 7900X is a 10 cores and 20 threads CPU processor produced by Intel. Intel Core i9 7900X was released on 2017-05-30, 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 7900x
Release date 2017-05-30
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 10 cores
Total number of threads 20 threads
Number of performance cores 10 cores
Number of performance core threads 20 threads
Performance core base frequency / main frequency 3.3GHz
Performance core maximum turbo frequency 4.3GHz
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 14 MB
Unlock multiplier Yes

Memory specifications

Maximum supported memory 128GB
Memory frequency support
  • - DDR4-2666MHz
Maximum number of memory channels 4
Maximum memory bandwidth 79.47GB/s
ECC support No

Package specifications

CPU Socket LGA-2066
Default thermal design power / TDP PL1 140W
Maximum Turbo Power Consumption / TDP PL2
Maximum temperature 95°C
PCIe interface PCIe 3.0
PCIe lane count 44

Integrated Graphics specifications

Integrated Graphics (iGPU) Radeon RX Vega 8
Base frequency
Maximum acceleration frequency 2100MHz
Number of execution units
Stream Processors / Shading Units 512
Texture Units / TMUs 32
Raster Operations Units / ROPs 8
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 73 GOps/sec
Floating point math 45 GOps/sec
Find prime numbers 76 Million Primes/sec (Millions find prime numbers per second)
Random string sorting 41.4 Million Strings/sec (Millions random string sorting per second)
Data encryption 7.6 GBytes/sec (Gigabits per second)
Data compression 323.1 MBytes/sec (megabits per second)
Physics simulation 1252 Frames/sec (FPS)
Extended instruction test 25.7 Billion Matrices/sec (Billions matrix operations per second)

GeekBench v6 performance test

Single core performance
Multi-core performance
File compression 656.6 MB/sec (megabits per second)
clang compilation 78.1 Klines/sec (thousands lines per second)
HTML5 browsing 146.3 pages/sec (pages per second)
PDF rendering 232.9 Mpixels/sec (megapixels per second)
Text processing 211.3 pages/sec (pages per second)
Background blur 17.2 images/sec (images per second)
Photo processing 58.5 images/sec (images per second)
Ray tracing 19.9 Mpixels/sec (megapixels per second)