AMD Ryzen 9 7945HX vs AMD Ryzen 9 9900X

Compare AMD Ryzen 9 16 core CPU vs AMD Ryzen 9000 Series 12 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Other Benchmarks
Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

14004 points

1% slightly better overall score

13788 points

Gaming Score

The raw gaming performance with a fast GPU

12364 points

14026 points

13% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

14599 points

6% slightly better multitasking score

13725 points

Heavy Workload Score

Performance in workloads using up to 16 cores

14860 points

8% slightly better heavy workload score

13727 points

Free CPU Benchmark

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Other Benchmarks

3DMark Physics score

Physics simulation benchmark

13984 points

0.46% slightly higher 3DMark Physics score

13920 points

Blender score

Cycles Render (Samples per minute)

475.58 points

2% slightly higher Blender score

462.53 points

Geekbench 6 (multi) score

Multi threaded benchmark

16083 points

19790 points

23% slightly higher Geekbench 6 (multi) score

Geekbench 6 (single) score

Single threaded benchmark

2764 points

3339 points

20% slightly higher Geekbench 6 (single) 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

2.50 GHz

4.4 GHz

75% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.4 GHz

5.6 GHz

3% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

55 W

118% significantly lower TDP

120 W

Memory Channels

Lanes for simultaneous memory access

Identical

L1 Cache

Smallest embedded memory, but the fastest

1024 KiB

6% slightly more L1 cache

960 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

16 MiB

33% slightly more L2 cache

12 MiB

L3 Cache

General memory pool for all cores

64 MiB

Identical

64 MiB

Other details

Rank

Ranking in the hardwareDB database

31st of 1,089

35th of 1,089

Family

The product line

Ryzen 9

Ryzen 9000 Series

Release date

The official date of release of this chip

2023 February

2024 August

Memory Type

The type of memory used by this chip

DDR5

Is Unlocked

Can this CPU can be overclocked

Yes

Ryzen 9 7945HX vs Ryzen 9 9900X benchmarks

According to the hardwareDB Benchmark tool, the Ryzen 9 9900X is faster than the Ryzen 9 7945HX. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 7945HX in all gaming tests too.

With info from our database, we find that the Ryzen 9 7945HX has slightly more cores with 16 cores whereas the Ryzen 9 9900X has 12 cores. It also has more threads than the Ryzen 9 9900X. Our comparison shows that the Ryzen 9 9900X has a significantly higher clock speed compared to the Ryzen 9 7945HX. Also, the Ryzen 9 9900X has a slightly higher turbo speed. A Ryzen 9 7945HX CPU outputs less heat than a Ryzen 9 9900X CPU because of its 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 7945HX has slightly more L2 cache when compared to the Ryzen 9 9900X. However, both these chips have the same amount of L3 cache.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Ryzen 9 7945HX has more threads than cores. Each physical core is split into multiple threads.