AMD Ryzen 9 7945HX vs AMD Ryzen 9 7900X3D

Compare AMD Ryzen 9 16 core CPU vs AMD Ryzen 9 12 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

14004 points

4% slightly better overall score

13385 points

Gaming Score

The raw gaming performance with a fast GPU

12364 points

13203 points

6% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

14599 points

8% slightly better multitasking score

13450 points

Heavy Workload Score

Performance in workloads using up to 16 cores

14860 points

10% slightly better heavy workload score

13474 points

Free CPU Benchmark

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

475.58 points

19% slightly higher Blender score

398.41 points

Geekbench 5 (multi) score

Multi threaded benchmark

14865 points

17603 points

18% slightly higher Geekbench 5 (multi) score

Geekbench 5 (single) score

Single threaded benchmark

2684 points

2784 points

3% slightly higher Geekbench 5 (single) score

Geekbench 6 (multi) score

Multi threaded benchmark

16083 points

17560 points

9% slightly higher Geekbench 6 (multi) score

Geekbench 6 (single) score

Single threaded benchmark

2764 points

2866 points

3% 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

4.40 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

33% slightly more L1 cache

768 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

128 MiB

100% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

31st of 1,089

38th of 1,089

Family

The product line

Ryzen 9

Release date

The official date of release of this chip

2023 February

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 7900X3D comparison

According to the hardwareDB Benchmark tool, the Ryzen 9 7945HX is faster than the Ryzen 9 7900X3D. Despite this, the Ryzen 9 7900X3D has the advantage in our gaming benchmark.

With info from our database, we find that the Ryzen 9 7945HX has slightly more cores with 16 cores whereas the Ryzen 9 7900X3D has 12 cores. 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 7945HX. Also, the Ryzen 9 7900X3D has a slightly higher turbo speed. A Ryzen 9 7945HX CPU outputs less heat than a Ryzen 9 7900X3D CPU because of its 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 7945HX 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 7945HX.

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.