Intel Core i7 7820X specifications and performance

Intel Core i7 7820X is a 8 cores and 16 threads CPU processor produced by Intel. Intel Core i7 7820X 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 i7 7820x
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 8 cores
Total number of threads 16 threads
Number of performance cores 8 cores
Number of performance core threads 16 threads
Performance core base frequency / main frequency 3.6GHz
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 11 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 99°C
PCIe interface PCIe 3.0
PCIe lane count 28

Integrated Graphics specifications

Integrated Graphics (iGPU) Radeon 680M
Base frequency 2000MHz
Maximum acceleration frequency 2200MHz
Number of execution units 12
Stream Processors / Shading Units 768
Texture Units / TMUs 48
Raster Operations Units / ROPs 32
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 57 GOps/sec
Floating point math 36 GOps/sec
Find prime numbers 61 Million Primes/sec (Millions find prime numbers per second)
Random string sorting 32.4 Million Strings/sec (Millions random string sorting per second)
Data encryption 6 GBytes/sec (Gigabits per second)
Data compression 255.2 MBytes/sec (megabits per second)
Physics simulation 1048 Frames/sec (FPS)
Extended instruction test 21 Billion Matrices/sec (Billions matrix operations per second)

GeekBench v6 performance test

Single core performance
Multi-core performance
File compression 937.2 MB/sec (megabits per second)
clang compilation 77.1 Klines/sec (thousands lines per second)
HTML5 browsing 210.4 pages/sec (pages per second)
PDF rendering 307.7 Mpixels/sec (megapixels per second)
Text processing 215.6 pages/sec (pages per second)
Background blur 45.9 images/sec (images per second)
Photo processing 85 images/sec (images per second)
Ray tracing 18.9 Mpixels/sec (megapixels per second)