AMD Ryzen 9 7900X3D vs AMD Ryzen 9 7940HX

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

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Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

13385 points

13895 points

3% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

13203 points

10% slightly better gaming score

11946 points

Multitasking Score

Performance in workloads using up to 8 cores

13450 points

14609 points

8% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

13474 points

14919 points

10% slightly better heavy workload score

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

398.41 points

463.74 points

16% slightly higher Blender score

Specifications

Cores

Number of physical processing units

33% slightly more cores

Threads

Number of logical processing units

33% slightly more threads

Clock Speed

Base frequency at which the chip operates

4.40 GHz

83% 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

120 W

55 W

118% significantly lower TDP

Memory Channels

Lanes for simultaneous memory access

Identical

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

128 MiB

100% significantly more L3 cache

64 MiB

Other details

Rank

Ranking in the hardwareDB database

39th of 1,127

32nd of 1,127

Family

The product line

Ryzen 9

Ryzen 7000 Series

Release date

The official date of release of this chip

2023 February

2024 January

Memory Type

The type of memory used by this chip

DDR5

Is Unlocked

Can this CPU can be overclocked

Yes

Ryzen 9 7900X3D vs Ryzen 9 7940HX benchmarks

According to the hardwareDB Benchmark tool, the Ryzen 9 7940HX is faster than the Ryzen 9 7900X3D. Despite this, the Ryzen 9 7900X3D has the advantage in our gaming benchmark.

In terms of the number of cores of each of these CPUs, the Ryzen 9 7940HX has slightly more cores than the Ryzen 9 7900X3D. Indeed, the Ryzen 9 7940HX has 16 cores compared to 12 cores found in the Ryzen 9 7900X3D. It also has more threads than the Ryzen 9 7900X3D. Our comparison shows that the Ryzen 9 7900X3D has a significantly higher clock speed compared to the Ryzen 9 7940HX. Also, the Ryzen 9 7900X3D has a slightly higher turbo speed. The Ryzen 9 7940HX outputs less heat than Ryzen 9 7900X3D thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The info from our database shows that the Ryzen 9 7940HX has more L2 cache than the Ryzen 9 7900X3D. Despite this, the Ryzen 9 7900X3D has significantly more L3 cache compared to the Ryzen 9 7940HX.

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 7900X3D has more threads than cores. Each physical core is split into multiple threads.