AMD Ryzen 7 7840HS vs AMD Ryzen 9 8945HX

Compare AMD Ryzen 7 8 core CPU vs AMD Ryzen 8000 Series 16 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

Quickly search and compare processors

Benchmark Score

Overall Score

A combined score of all workloads

8878 points
4% slightly better overall score
8535 points

Gaming Score

The raw gaming performance with a fast GPU

10890 points
34% slightly better gaming score
8107 points

Multitasking Score

Performance in workloads using up to 8 cores

8202 points
8825 points
7% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

8008 points
9118 points
13% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Ryzen 7 7840HS and the Ryzen 9 8945HX? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

244.42 points
468.88 points
91% significantly higher Blender score

Specifications

Cores

Number of physical processing units

8
16
100% significantly more cores

Threads

Number of logical processing units

16
32
100% significantly more threads

Clock Speed

Base frequency at which the chip operates

3.80 GHz
51% significantly higher clock speed
2.50 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.1 GHz
5.4 GHz
5% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

54 W
1% slightly lower TDP
55 W

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

512 KiB
1024 KiB
100% significantly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

8 MiB
16 MiB
100% significantly more L2 cache

L3 Cache

General memory pool for all cores

16 MiB
64 MiB
300% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

116th of 1,089
124th of 1,089

Family

The product line

Ryzen 7
Ryzen 8000 Series

Release date

The official date of release of this chip

-
2025 April

Memory Type

The type of memory used by this chip

DDR5 (FP7r2)
DDR5

Is Unlocked

Can this CPU can be overclocked

No
Yes

Ryzen 7 7840HS vs Ryzen 9 8945HX comparison

Our benchmark analysis concludes that the Ryzen 7 7840HS performs better than the Ryzen 9 8945HX. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 8945HX in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Ryzen 9 8945HX has significantly more cores than the Ryzen 7 7840HS. Indeed, the Ryzen 9 8945HX has 16 cores compared to 8 cores found in the Ryzen 7 7840HS. It also has more threads than the Ryzen 7 7840HS. These CPUs have different clock speeds. Indeed, the Ryzen 7 7840HS has a significantly higher clock speed compared to the Ryzen 9 8945HX. Despite this, the Ryzen 9 8945HX has a slightly higher turbo speed. A Ryzen 7 7840HS CPU outputs less heat than a Ryzen 9 8945HX CPU because of its slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The cache sizes of these CPUs are different. Indeed, the Ryzen 9 8945HX has significantly more L2 cache than the Ryzen 7 7840HS. The Ryzen 9 8945HX also has significantly more L3 cache.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Ryzen 7 7840HS has more threads than cores. Each physical core is split into multiple threads.

Comments

No comments yet! Be the first to leave a comment using the form below.

Keep comments on topic and be polite. Comments are subject to moderation before they are published.

Popular CPU Comparisons