Intel Core i9-7940X: specs and benchmarks

Intel Core i9-7940X

Summary

Intel started Intel Core i9-7940X sales 1 September 2017 at a recommended price of $1,399. This is Skylake (server) architecture desktop processor primarily aimed at home systems. It has 14 cores and 28 threads, and is based on 14 nm manufacturing technology, with a maximum frequency of 4400 MHz and an unlocked multiplier.

Compatibility-wise, this is FCLGA2066 processor with a TDP of 165 Watt. It supports DDR4-2666 memory.

It provides good benchmark performance at 32.64 percent of a leader's which is AMD Ryzen Threadripper 3990X.

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)
12.12
 
Type
Desktop
 
Series
Intel Core i9
 
Architecture codename
Skylake (server)
 
Release date
1 September 2017
 
Launch price (MSRP)
$1,399
 
Price now
$1130
 
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
14
 
Number of threads
28
 
Base frequency
3.1 GHz
 
of 4.7 (FX-9590)
Maximum frequency
4.4 GHz
 
Bus support
4 × 8 GT/s
 
L1 cache
64K (per core)
 
of 896 (Atom C3950)
L2 cache
1 MB (per core)
 
L3 cache
19.25 MB (shared)
 
Manufacturing process technology
14 nm
 
Maximum core temperature
102 °C
 
of 110 (Atom x7-E3950)
64 bit support
+
 
Unlocked
+
 

Compatibility

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
1
 
Socket
FCLGA2066
 
Power consumption (TDP)
165 Watt
 
of 650 (Atom Z500)

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.
Instruction set extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
 
AES-NI
+
 
AVX
+
 
Enhanced SpeedStep (EIST)
+
 
Turbo Boost
2.0
 
Hyper-Threading
+
 
Turbo Boost Max 3.0
+
 

Security technologies

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

Virtualization technologies

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

Memory specs

Types, maximum amount and channel number of RAM supported by Core i9-7940X.
Supported memory types
DDR4-2666
 
of 4266 (Ryzen 9 4900H)
Maximum memory size
128 GB
 
Max memory channels
4
 
Maximum memory bandwidth
79.47 GB/s
 
of 262.26 (Xeon Platinum 9221)

Graphics specifications

General parameters of GPU integrated into Core i9-7940X.
Integrated graphics
-
 

Peripherals

Specifications and connection of Core i9-7940X's supported peripherals.
PCIe revision
3.0
 
Max number of PCIe lanes
44
 
of 128 (EPYC 7551P)

Benchmark performance

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

Overall benchmark performance

32.64

Passmark

26530

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 1950X, which is nearly equal in speed and higher by 1 position in our rating.

User rating

Here you can see the rating of the processor by users, as well as give your 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.