AMD Ryzen 9 7845HX vs AMD Ryzen 9 9900X3D

Compare AMD Ryzen 9 12 core CPU vs AMD Ryzen 9000 Series 12 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Other Benchmarks
Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

12102 points

15772 points

30% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

11676 points

15040 points

28% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

12246 points

16008 points

30% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

12288 points

16094 points

30% slightly better heavy workload score

Free CPU Benchmark

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Other Benchmarks

3DMark Physics score

Physics simulation benchmark

11567 points

13700 points

18% slightly higher 3DMark Physics score

Blender score

Cycles Render (Samples per minute)

342.81 points

466.69 points

36% slightly higher Blender score

Geekbench 6 (multi) score

Multi threaded benchmark

13839 points

20191 points

45% significantly higher Geekbench 6 (multi) score

Geekbench 6 (single) score

Single threaded benchmark

2627 points

3294 points

25% 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

3.00 GHz

4.4 GHz

46% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.2 GHz

5.5 GHz

5% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

55 W

118% significantly lower TDP

120 W

Memory Channels

Lanes for simultaneous memory access

Identical

L1 Cache

Smallest embedded memory, but the fastest

764 KiB

960 KiB

25% slightly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

12 MiB

Identical

12 MiB

L3 Cache

General memory pool for all cores

64 MiB

128 MiB

100% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

49th of 1,089

19th of 1,089

Family

The product line

Ryzen 9

Ryzen 9000 Series

Release date

The official date of release of this chip

2023 February

2025 March

Memory Type

The type of memory used by this chip

DDR5

Is Unlocked

Can this CPU can be overclocked

Yes

Ryzen 9 7845HX vs Ryzen 9 9900X3D benchmarks

Our benchmark analysis concludes that the Ryzen 9 9900X3D performs better than the Ryzen 9 7845HX. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 7845HX in all gaming tests too.

Our spec comparison shows that they have an identical amount of cores and the same number of threads. With our hardware info, we find that the Ryzen 9 9900X3D has a significantly higher clock speed than the Ryzen 9 7845HX. Also, the Ryzen 9 9900X3D has a slightly higher turbo speed. A Ryzen 9 7845HX CPU outputs less heat than a Ryzen 9 9900X3D CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. When comparing cache sizes, these CPUs have an identical amount of L2 cache. The Ryzen 9 9900X3D 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 9 7845HX has more threads than cores. Each physical core is split into multiple threads.