IntelVery goodDesktop

Intel Core i9-7940X @ 3.10GHz

Explore Intel Core i9-7940X @ 3.10GHz technical reviews, specifications and benchmark results, with practical context for performance, compatibility and upgrade comparisons.

Last updated: 2026-10-20
7.0/ 10
Technical rating

Very good

Intel Core i9-7940X @ 3.10GHz is a Desktop processor with 14 cores and 28 threads. It runs at 3.1 GHz and boosts up to 4.3 GHz. It records a PassMark CPU Mark of 25173 and a single-thread rating of 2477. Its stated TDP is 165 W.

CPU Mark25,173
529 samples
Single Thread2,477
Overall rank#768
of 6,054
Reference price$359.00

Technical assessment

A summary based on specifications and results.

Very good
7.0Very good

Intel Core i9-7940X @ 3.10GHz is a Desktop processor with 14 cores and 28 threads. It runs at 3.1 GHz and boosts up to 4.3 GHz. It records a PassMark CPU Mark of 25173 and a single-thread rating of 2477. Its stated TDP is 165 W.

Specification context

What do these specifications mean in practice?

The Intel Core i9-7940X @ 3.10GHz is a Desktop released in 2017. Recorded specifications include 14 cores and 28 threads, up to 4.30 GHz turbo, a 165 W reference TDP, a 25,173 CPU Mark. Use these figures to understand its position, then compare the results with your software and the complete platform.

Reading guide

Read the performance results

The 25,173 CPU Mark is a broad overall-performance measure, while the 2,477 single-thread result adds context for less-parallel work. Compare the nearby alternatives on this page and do not treat one score as a verdict for every application.

Platform and compatibility

It uses socket LGA2066. A matching socket is only the first check; confirm the official motherboard CPU-support list, BIOS revision and board power limits.

Memory and power

The 165 W TDP helps size the cooling class, but it is not the same as peak wall-power consumption.

FAQ

Common processor questions

What are the key Intel Core i9-7940X @ 3.10GHz specifications?

The main recorded details are 14 cores and 28 threads, up to 4.30 GHz turbo, a 165 W reference TDP, a 25,173 CPU Mark. The tables on this page show socket, memory, cache and graphics data when available.

Is the Intel Core i9-7940X @ 3.10GHz good for gaming?

The product name or CPU Mark alone cannot answer that. Check single-thread performance, core count, the target graphics card, gaming resolution and results from the games you play.

Which motherboards support the Intel Core i9-7940X @ 3.10GHz?

Start with LGA2066 motherboards, then confirm the official CPU-support list and required BIOS revision for the exact board before buying.

How much power does the Intel Core i9-7940X @ 3.10GHz use?

The recorded reference TDP is 165 W. Real consumption can be lower or higher depending on power limits, motherboard, workload and cooling.

This guidance interprets recorded specifications and results; it does not claim hands-on device testing. Results can vary with motherboard, power, memory and cooling.

Multi-axis comparison

How does this processor compare?

A direct comparison with nearby processors from the same brand and a similar core count.

5 CPU

Overall and multi-core performance

A higher CPU Mark indicates stronger overall performance.

02AMD Ryzen 5 8600GAMD25,180 points
03AMD Ryzen AI 7 PRO 450AMD25,175 points
04Intel Core i9-7940X @ 3.10GHzThis CPU25,173 points
05AMD Ryzen 7 250AMD25,122 points

Single-thread performance

Measures speed in tasks that depend on one CPU thread.

01AMD Ryzen AI 7 PRO 450AMD3,988 points
02AMD Ryzen 5 8600GAMD3,875 points
03AMD Ryzen 7 250AMD3,679 points
05Intel Core i9-7940X @ 3.10GHzThis CPU2,477 points

Performance per watt

Estimated as CPU Mark divided by TDP.

01AMD Ryzen AI 7 PRO 450AMD899.1 Mark/W
02AMD Ryzen 7 250AMD897.2 Mark/W
03AMD Ryzen 5 8600GAMD387.4 Mark/W
04Intel Core i9-7940X @ 3.10GHzThis CPU152.6 Mark/W

Bars are relative to the processors shown here, not a global ranking of every CPU.

Detailed benchmark results

Snapshot from 2026-10-20

Data CompressionKBytes/Sec
420,931.00
Data EncryptionMBytes/Sec
9,016.00
Extended InstructionsMillion Matrices/Sec
33,759.00
Find Prime NumbersMillion Primes/Sec
87.00
Floating Point MathMOps/Sec
59,574.00
Integer MathMOps/Sec
95,846.00
PhysicsFrames/Sec
1,274.00
Random String SortingThousand Strings/Sec
52,318.00

Core specifications

BrandIntel
CategoryDesktop
Release year2017
SocketLGA2066
Cores / threads14 / 28
Base clock3.10 GHz
Max turbo4.30 GHz
TDP165 W
Integrated graphics—

Memory support

—
Memory type—
Official speed—
Maximum capacity—

Cache hierarchy

L1I14 x 32 KB
L1D14 x 32 KB
L214 x 1024 KB
L319 MB