AMD Ryzen 9 7945HX3D vs AMD Ryzen 9 8940HX

Compare AMD Ryzen 9 16 core CPU vs AMD Ryzen 8000 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

11621 points

2% slightly better overall score

11348 points

Gaming Score

The raw gaming performance with a fast GPU

10251 points

10755 points

4% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

12118 points

4% slightly better multitasking score

11614 points

Heavy Workload Score

Performance in workloads using up to 16 cores

12323 points

4% slightly better heavy workload score

11830 points

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

463.95 points

1% slightly higher Blender score

458.15 points

Specifications

Cores

Number of physical processing units

Identical

Threads

Number of logical processing units

Identical

Clock Speed

Base frequency at which the chip operates

2.30 GHz

2.9 GHz

26% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.4 GHz

1% slightly higher turbo speed

5.3 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

55 W

Identical

55 W

Memory Channels

Lanes for simultaneous memory access

Identical

L1 Cache

Smallest embedded memory, but the fastest

1024 KiB

Identical

1024 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

16 MiB

300% significantly more L2 cache

4 MiB

L3 Cache

General memory pool for all cores

192 MiB

2299% significantly more L3 cache

8 MiB

Other details

Rank

Ranking in the hardwareDB database

59th of 1,124

69th of 1,124

Family

The product line

Ryzen 9

Ryzen 8000 Series

Release date

The official date of release of this chip

2023 July

2025 April

Memory Type

The type of memory used by this chip

DDR5

Is Unlocked

Can this CPU can be overclocked

Yes

Ryzen 9 7945HX3D vs Ryzen 9 8940HX benchmarks

Our benchmark analysis concludes that the Ryzen 9 7945HX3D performs better than the Ryzen 9 8940HX. Despite this, the Ryzen 9 8940HX has the advantage in our gaming benchmark.

Info from our database shows that they both have the same core count and the same number of threads. With our hardware info, we find that the Ryzen 9 8940HX has a slightly higher clock speed than the Ryzen 9 7945HX3D. Despite this, the Ryzen 9 7945HX3D has a slightly higher turbo speed. Both these chips have an identical TDP (Thermal Design Power). 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 7945HX3D has more L2 cache than the Ryzen 9 8940HX. The Ryzen 9 7945HX3D also has significantly more 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 7945HX3D has more threads than cores. Each physical core is split into multiple threads.