AMD Ryzen 9 7945HX3D vs AMD Ryzen 7 7840H

Compare AMD Ryzen 9 16 core CPU vs AMD 8 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

29% slightly better overall score

8985 points

Gaming Score

The raw gaming performance with a fast GPU

10251 points

10717 points

4% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

12118 points

44% significantly better multitasking score

8377 points

Heavy Workload Score

Performance in workloads using up to 16 cores

12323 points

50% significantly better heavy workload score

8167 points

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Other Benchmarks

3DMark Physics score

Physics simulation benchmark

12988 points

74% significantly higher 3DMark Physics score

7434 points

Blender score

Cycles Render (Samples per minute)

463.95 points

169% significantly higher Blender score

172.18 points

Specifications

Cores

Number of physical processing units

100% significantly more cores

Threads

Number of logical processing units

100% significantly more threads

Clock Speed

Base frequency at which the chip operates

2.30 GHz

3.80 GHz

65% significantly higher clock speed

L2 Cache

Secondary embedded memory, slower than L1 cache

16 MiB

100% significantly more L2 cache

8 MiB

L3 Cache

General memory pool for all cores

192 MiB

1100% significantly more L3 cache

16 MiB

Other details

Rank

Ranking in the hardwareDB database

56th of 1,089

111th of 1,089

Family

The product line

Ryzen 9

Release date

The official date of release of this chip

2023 July

Memory Type

The type of memory used by this chip

DDR5

Ryzen 9 7945HX3D vs Ryzen 7 7840H comparison

Our benchmark analysis concludes that the Ryzen 9 7945HX3D performs better than the Ryzen 7 7840H. Despite this, the Ryzen 7 7840H has the advantage in our gaming benchmark.

With info from our database, we find that the Ryzen 9 7945HX3D has significantly more cores with 16 cores whereas the Ryzen 7 7840H has 8 cores. It also has more threads than the Ryzen 7 7840H. With our hardware info, we find that the Ryzen 7 7840H has a significantly higher clock speed than the Ryzen 9 7945HX3D. In terms of cache, the Ryzen 9 7945HX3D has significantly more L2 cache when compared to the Ryzen 7 7840H. The Ryzen 9 7945HX3D also has significantly more L3 cache.

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 7945HX3D has more threads than cores. Each physical core is split into multiple threads.