AMD Ryzen 9 9900X3D vs AMD Ryzen 9 9955HX3D

Compare AMD Ryzen 9000 Series 12 core CPU vs AMD Ryzen 9000 Series 16 core processor, specs and benchmark score. Which is the better CPU for gaming?

Benchmark Score
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Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

15159 points

15323 points

1% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

14568 points

0.71% slightly better gaming score

14466 points

Multitasking Score

Performance in workloads using up to 8 cores

15345 points

15645 points

1% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

15406 points

15813 points

2% slightly better heavy workload score

Free CPU Benchmark

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

466.69 points

543.98 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

4.4 GHz

75% significantly higher clock speed

2.5 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.5 GHz

1% slightly higher turbo speed

5.4 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

960 KiB

1280 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

Identical

128 MiB

Other details

Rank

Ranking in the hardwareDB database

22nd of 1,119

20th of 1,119

Family

The product line

Ryzen 9000 Series

Release date

The official date of release of this chip

2025 March

Memory Type

The type of memory used by this chip

DDR5

Is Unlocked

Can this CPU can be overclocked

Yes

Ryzen 9 9900X3D vs Ryzen 9 9955HX3D comparison

According to the hardwareDB Benchmark tool, the Ryzen 9 9955HX3D is faster than the Ryzen 9 9900X3D. Despite this, the Ryzen 9 9900X3D has the advantage in our gaming benchmark.

When comparing core counts for these CPUs, we notice that the Ryzen 9 9955HX3D has slightly more cores with 16 cores compared to the Ryzen 9 9900X3D that has 12 cores. It also has more threads than the Ryzen 9 9900X3D. With our hardware info, we find that the Ryzen 9 9900X3D has a significantly higher clock speed than the Ryzen 9 9955HX3D. Also, the Ryzen 9 9900X3D has a slightly higher turbo speed. The Ryzen 9 9955HX3D outputs less heat than Ryzen 9 9900X3D 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 9955HX3D has more L2 cache than the Ryzen 9 9900X3D. However, both these chips have the same amount of L3 cache.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Ryzen 9 9900X3D has more threads than cores. Each physical core is split into multiple threads.