AMD Ryzen 9 7845HX vs AMD Ryzen 7 8840HS

Compare AMD Ryzen 9 12 core CPU vs AMD Ryzen 7 8 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Benchmark Score

Overall Score

A combined score of all workloads

12102 points
107% significantly better overall score
5821 points

Gaming Score

The raw gaming performance with a fast GPU

11676 points
61% significantly better gaming score
7228 points

Multitasking Score

Performance in workloads using up to 8 cores

12246 points
124% significantly better multitasking score
5452 points

Heavy Workload Score

Performance in workloads using up to 16 cores

12288 points
128% significantly better heavy workload score
5384 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 7845HX and the Ryzen 7 8840HS? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

342.81 points
105% significantly higher Blender score
166.92 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

13839 points
53% significantly higher Geekbench 6 (multi) score
9022 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

2627 points
27% slightly higher Geekbench 6 (single) score
2060 points

Specifications

Cores

Number of physical processing units

12
49% significantly more cores
8

Threads

Number of logical processing units

24
49% significantly more threads
16

Clock Speed

Base frequency at which the chip operates

3.00 GHz
3.30 GHz
9% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.2 GHz
1% slightly higher turbo speed
5.1 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

55 W
28 W
96% significantly lower TDP

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L2 Cache

Secondary embedded memory, slower than L1 cache

12 MiB
49% significantly more L2 cache
8 MiB

L3 Cache

General memory pool for all cores

64 MiB
300% significantly more L3 cache
16 MiB

Other details

Rank

Ranking in the hardwareDB database

49th of 1,089
266th of 1,089

Family

The product line

Ryzen 9
Ryzen 7

Release date

The official date of release of this chip

2023 February
-

Memory Type

The type of memory used by this chip

DDR5
DDR5 (FP7r2)

Is Unlocked

Can this CPU can be overclocked

Yes
No

Ryzen 9 7845HX vs Ryzen 7 8840HS benchmarks

In our benchmarks, the Ryzen 9 7845HX beats the Ryzen 7 8840HS in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 7 8840HS in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Ryzen 9 7845HX has significantly more cores with 12 cores compared to the Ryzen 7 8840HS that has 8 cores. It also has more threads than the Ryzen 7 8840HS. These CPUs have different clock speeds. Indeed, the Ryzen 7 8840HS has a slightly higher clock speed compared to the Ryzen 9 7845HX. Despite this, the Ryzen 9 7845HX has a slightly higher turbo speed. The Ryzen 7 8840HS outputs less heat than Ryzen 9 7845HX thanks to a significantly 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 7845HX has significantly more L2 cache than the Ryzen 7 8840HS. The Ryzen 9 7845HX 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 7845HX has more threads than cores. Each physical core is split into multiple threads.

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