AMD Ryzen 9 7900X vs AMD Ryzen 9 7940HX

Compare AMD Ryzen 9 Desktop 12 core CPU vs AMD Ryzen 7000 Series 16 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

Quickly search and compare processors

Benchmark Score

Overall Score

A combined score of all workloads

13554 points
14296 points
5% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

13457 points
7% slightly better gaming score
12504 points

Multitasking Score

Performance in workloads using up to 8 cores

13583 points
14928 points
9% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

13587 points
15169 points
11% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 7900X and the Ryzen 9 7940HX? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

12798 points
13404 points
4% slightly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

412.82 points
463.74 points
12% slightly higher Blender score

Specifications

Cores

Number of physical processing units

12
16
33% slightly more cores

Threads

Number of logical processing units

24
32
33% slightly more threads

Clock Speed

Base frequency at which the chip operates

4.7 GHz
95% significantly higher clock speed
2.40 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.6 GHz
7% slightly higher turbo speed
5.2 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

170 W
55 W
209% significantly lower TDP

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

768 KiB
1024 KiB
33% slightly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

12 MiB
16 MiB
33% slightly more L2 cache

L3 Cache

General memory pool for all cores

64 MiB
Identical
64 MiB

Other details

Rank

Ranking in the hardwareDB database

36th of 1,089
28th of 1,089

Family

The product line

Ryzen 9 Desktop
Ryzen 7000 Series

Release date

The official date of release of this chip

2022 September
2024 January

Memory Type

The type of memory used by this chip

DDR5
DDR5

Is Unlocked

Can this CPU can be overclocked

Yes
Yes

Supports ECC memory

Does this CPU support error correcting memory

Yes
-

Ryzen 9 7900X vs Ryzen 9 7940HX specs and performance

In our benchmarks, the Ryzen 9 7940HX beats the Ryzen 9 7900X in overall performance. Despite this, the Ryzen 9 7900X has the advantage in our gaming benchmark.

With info from our database, we find that the Ryzen 9 7940HX has slightly more cores with 16 cores whereas the Ryzen 9 7900X has 12 cores. It also has more threads than the Ryzen 9 7900X. These CPUs have different clock speeds. Indeed, the Ryzen 9 7900X has a significantly higher clock speed compared to the Ryzen 9 7940HX. Also, the Ryzen 9 7900X has a slightly higher turbo speed. The Ryzen 9 7940HX outputs less heat than Ryzen 9 7900X thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, the Ryzen 9 7940HX has slightly more L2 cache when compared to the Ryzen 9 7900X. However, both these chips have the same amount of L3 cache.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Ryzen 9 7900X has more threads than cores. Each physical core is split into multiple threads.

Comments

No comments yet! Be the first to leave a comment using the form below.

Keep comments on topic and be polite. Comments are subject to moderation before they are published.

Popular CPU Comparisons