Intel Core i9-7940X: specs and benchmarks

Intel Core i9-7940X


Intel started Core i9-7940X sales on September 2017 at a recommended price of $1,399. This is high-end Skylake-X architecture desktop processor primarily aimed at home systems.

Compatibility-wise, this is an Intel Socket 2066 processor with a TDP of 165 Watt. It supports DDR4 memory.

It provides outstanding benchmark performance at 87.35 percent of a leader's which is Intel Core i9-9980XE.

General info

Of Core i9-7940X processor market type (desktop or notebook), architecture and sales start time and price.
Place in performance rating
Value for money (0-100)
Achitecture codename
Release date
September 2017
Launch price (MSRP)
of 8685 (Xeon E5-4650L)
Price now
of 8685 (Xeon E5-4650L)

Technical specs

Core i9-7940X's quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Core i9-7940X's performance, but to be more precise you have to review its test results.
Number of cores
Maximum frequency
3.1 GHz
of 5
L1 cache
64 KB (per core)
of 768
L2 cache
1024 KB (per core)
of 16384
L3 cache
19712 KB (shared)
of 65536
Manufacturing process technology
14 nm
of 7
64 bit support


Information on Core i9-7940X compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.
Max number of CPUs in a configuration
of 8
Power consumption (TDP)
165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7940X. You'll probably need this information if you require some particular technology.

Security technologies

Core i9-7940X technologies aimed at raising security, for example, by protecting against hacks.

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7940X are enumerated here.

Memory specs

Types, maximum amount and channel number of RAM supported by Core i9-7940X.
Supported memory types

Benchmark performance

Non-gaming benchmarks performance of Core i9-7940X. Overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance




Game benchmarks

Let's see how good Core i9-7940X is for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.

Relative perfomance

Overall Core i9-7940X performance compared to nearest competitors. All CPU types participate.

AMD equivalent

We believe that the nearest equivalent to Core i9-7940X from AMD is Ryzen Threadripper 2950X, which is faster by 2% and higher by 2 positions in our rating.

Advices and comments

Here you can ask a question about Core i9-7940X, agree or disagree with our judgements, or report an error or mismatch.