Intel Core i9-7940X processor review

Core i9-7940X processor released by Intel; release date: September 2017. At the time of release, the processor cost $1,399. The processor is designed for desktop-computers and based on Skylake microarchitecture.

CPU is unlocked for overclocking. Total number of cores - 14, threads - 28. Maximum CPU clock speed - 4.30 GHz. Maximum operating temperature - 102°C. Manufacturing process technology - 14 nm. Cache size: L1 - 64 KB (per core), L2 - 1024 KB (per core), L3 - 19712 KB (shared).

Supported memory types: DDR4-2666. Maximum memory size: 128 GB.

Supported socket types: FCLGA2066. Maximum number of processors in a configuration - 1. Power consumption (TDP): 165 Watt.

Benchmarks

PassMark
Single thread mark

Top 1 CPU

This CPU

4870

2486

PassMark
CPU mark

Top 1 CPU

This CPU

156834

25963

Geekbench 4
Single Core

Top 1 CPU

This CPU

5311

1153

Geekbench 4
Multi-Core

Top 1 CPU

This CPU

36691

12928

3DMark Fire Strike
Physics Score

Top 1 CPU

This CPU

25463

10950

Name	Value
PassMark - Single thread mark	2486
PassMark - CPU mark	25963
Geekbench 4 - Single Core	1153
Geekbench 4 - Multi-Core	12928
3DMark Fire Strike - Physics Score	10950

Specifications (specs)

Essentials
Architecture codename	Skylake
Launch date	September 2017
Launch price (MSRP)	$1,399
Place in performance rating	722
Price now	$1,129.99
Processor Number	i9-7940X
Series	Intel® Core™ X-series Processors
Status	Launched
Value for money (0-100)	6.63
Vertical segment	Desktop
Performance
64 bit support
Base frequency	3.10 GHz
Bus Speed	8 GT/s DMI3
L1 cache	64 KB (per core)
L2 cache	1024 KB (per core)
L3 cache	19712 KB (shared)
Manufacturing process technology	14 nm
Maximum core temperature	102°C
Maximum frequency	4.30 GHz
Number of cores	14
Number of QPI Links	0
Number of threads	28
Unlocked

Memory
Max memory channels	4
Maximum memory size	128 GB
Supported memory types	DDR4-2666
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Sockets supported	FCLGA2066
Thermal Design Power (TDP)	165 Watt
Thermal Solution	PCG 2017X
Peripherals
Max number of PCIe lanes	44
PCI Express revision	3.0
Scalability	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units	2
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)