AMD Ryzen 7 PRO 7840U vs AMD Ryzen 5 8400F

Compare AMD Ryzen 7 PRO 8 core CPU vs AMD Ryzen 8000 Series 6 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

7028 points

7722 points

9% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8379 points

10390 points

24% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

6623 points

6857 points

3% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

6517 points

6632 points

1% slightly better heavy workload score

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

164.73 points

179.45 points

8% 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

3.30 GHz

4.2 GHz

27% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.1 GHz

8% slightly higher turbo speed

4.7 GHz

Memory Channels

Lanes for simultaneous memory access

Identical

L2 Cache

Secondary embedded memory, slower than L1 cache

8 MiB

33% slightly more L2 cache

6 MiB

L3 Cache

General memory pool for all cores

16 MiB

Identical

16 MiB

Other details

Rank

Ranking in the hardwareDB database

191st of 1,089

156th of 1,089

Family

The product line

Ryzen 7 PRO

Ryzen 8000 Series

Release date

The official date of release of this chip

2023 June

2024 April

Memory Type

The type of memory used by this chip

DDR5 (FP7r2)

DDR5

Is Unlocked

Can this CPU can be overclocked

Yes

Ryzen 7 PRO 7840U vs Ryzen 5 8400F benchmarks

Our benchmark analysis concludes that the Ryzen 7 PRO 7840U performs better than the Ryzen 5 8400F. Despite this, the Ryzen 5 8400F has the advantage in our gaming benchmark.

In terms of the number of cores of each of these CPUs, the Ryzen 7 PRO 7840U has slightly more cores than the Ryzen 5 8400F. Indeed, the Ryzen 7 PRO 7840U has 8 cores compared to 6 cores found in the Ryzen 5 8400F. It also has more threads than the Ryzen 5 8400F. With our hardware info, we find that the Ryzen 5 8400F has a slightly higher clock speed than the Ryzen 7 PRO 7840U. Despite this, the Ryzen 7 PRO 7840U has a slightly higher turbo speed. The info from our database shows that the Ryzen 7 PRO 7840U has more L2 cache than the Ryzen 5 8400F. 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 7 PRO 7840U has more threads than cores. Each physical core is split into multiple threads.