AMD Ryzen 9 7945HX vs AMD Ryzen 7 8840HS

Compare AMD Ryzen 9 16 core CPU vs AMD Ryzen 7 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

14004 points

140% significantly better overall score

5821 points

Gaming Score

The raw gaming performance with a fast GPU

12364 points

71% significantly better gaming score

7228 points

Multitasking Score

Performance in workloads using up to 8 cores

14599 points

167% significantly better multitasking score

5452 points

Heavy Workload Score

Performance in workloads using up to 16 cores

14860 points

176% significantly better heavy workload score

5384 points

Free CPU Benchmark

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

475.58 points

184% significantly higher Blender score

166.92 points

Geekbench 6 (multi) score

Multi threaded benchmark

16083 points

78% significantly higher Geekbench 6 (multi) score

9022 points

Geekbench 6 (single) score

Single threaded benchmark

2764 points

34% slightly higher Geekbench 6 (single) score

2060 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

2.50 GHz

3.30 GHz

31% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.4 GHz

5% 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

Identical

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

64 MiB

300% significantly more L3 cache

16 MiB

Other details

Rank

Ranking in the hardwareDB database

31st 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

Ryzen 9 7945HX vs Ryzen 7 8840HS benchmarks

According to the hardwareDB Benchmark tool, the Ryzen 9 7945HX is faster than the Ryzen 7 8840HS. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 7 8840HS in all gaming tests too.

With info from our database, we find that the Ryzen 9 7945HX has significantly more cores with 16 cores whereas the Ryzen 7 8840HS has 8 cores. It also has more threads than the Ryzen 7 8840HS. With our hardware info, we find that the Ryzen 7 8840HS has a slightly higher clock speed than the Ryzen 9 7945HX. The info from our database shows that the Ryzen 9 7945HX has more L2 cache than the Ryzen 7 8840HS. The Ryzen 9 7945HX 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 7945HX has more threads than cores. Each physical core is split into multiple threads.