AMD Ryzen 7 7840HS vs AMD Ryzen 9 8945HS

Compare AMD Ryzen 7 8 core CPU vs AMD Ryzen 9 8 core processor, specs and benchmark score. Which is the better CPU for gaming?

Benchmark Score
Other Benchmarks
Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

8878 points

9257 points

4% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

10890 points

11296 points

3% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

8202 points

8584 points

4% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

8008 points

8392 points

4% slightly better heavy workload score

Free CPU Benchmark

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Other Benchmarks

3DMark Physics score

Physics simulation benchmark

7356 points

7691 points

4% slightly higher 3DMark Physics score

Blender score

Cycles Render (Samples per minute)

244.42 points

14% slightly higher Blender score

212.59 points

Geekbench 6 (multi) score

Multi threaded benchmark

11003 points

11517 points

4% slightly higher Geekbench 6 (multi) score

Geekbench 6 (single) score

Single threaded benchmark

2353 points

2372 points

0.81% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

Identical

Threads

Number of logical processing units

Identical

Clock Speed

Base frequency at which the chip operates

3.80 GHz

4.00 GHz

5% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.1 GHz

5.2 GHz

1% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

54 W

45 W

20% slightly lower TDP

Memory Channels

Lanes for simultaneous memory access

Identical

L2 Cache

Secondary embedded memory, slower than L1 cache

8 MiB

Identical

8 MiB

L3 Cache

General memory pool for all cores

16 MiB

Identical

16 MiB

Other details

Rank

Ranking in the hardwareDB database

116th of 1,089

104th of 1,089

Family

The product line

Ryzen 7

Ryzen 9

Memory Type

The type of memory used by this chip

DDR5 (FP7r2)

Is Unlocked

Can this CPU can be overclocked

Ryzen 7 7840HS vs Ryzen 9 8945HS comparison

In our benchmarks, the Ryzen 7 7840HS beats the Ryzen 9 8945HS in overall performance. Despite this, the Ryzen 9 8945HS 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. These CPUs have different clock speeds. Indeed, the Ryzen 9 8945HS has a slightly higher clock speed compared to the Ryzen 7 7840HS. In terms of cache, both these CPUs have the same amount of L2 cache and 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 7840HS has more threads than cores. Each physical core is split into multiple threads.