AMD Ryzen 9 8945HX vs AMD Ryzen 9 5900XT

Compare AMD Ryzen 8000 Series 16 core CPU vs AMD Ryzen 5000 Series 16 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

10538 points
5% slightly better overall score
9988 points

Gaming Score

The raw gaming performance with a fast GPU

9595 points
8% slightly better gaming score
8856 points

Multitasking Score

Performance in workloads using up to 8 cores

10967 points
4% slightly better multitasking score
10450 points

Heavy Workload Score

Performance in workloads using up to 16 cores

11265 points
5% slightly better heavy workload score
10708 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 8945HX and the Ryzen 9 5900XT? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

468.88 points
27% slightly higher Blender score
367.23 points

Specifications

Cores

Number of physical processing units

16
Identical
16

Threads

Number of logical processing units

32
Identical
32

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
12% slightly higher turbo speed
4.8 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

55 W
90% significantly lower TDP
105 W

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

1024 KiB
Identical
1024 KiB

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
Identical
64 MiB

Other details

Rank

Ranking in the hardwareDB database

80th of 1,120
93rd of 1,120

Family

The product line

Ryzen 8000 Series
Ryzen 5000 Series

Release date

The official date of release of this chip

2025 April
2024 July

Memory Type

The type of memory used by this chip

DDR5
DDR4

Is Unlocked

Can this CPU can be overclocked

Yes
Yes

Ryzen 9 8945HX vs Ryzen 9 5900XT specs and performance

In our benchmarks, the Ryzen 9 8945HX beats the Ryzen 9 5900XT in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 5900XT in all gaming tests too.

Our spec comparison shows that they have an identical amount of cores and the same number of threads. Our comparison shows that the Ryzen 9 5900XT has a slightly higher clock speed compared to the Ryzen 9 8945HX. Despite this, the Ryzen 9 8945HX has a slightly higher turbo speed. A Ryzen 9 8945HX CPU outputs less heat than a Ryzen 9 5900XT CPU because of its 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 8945HX has significantly more L2 cache than the Ryzen 9 5900XT. However, both these chips have the same amount of 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 8945HX has more threads than cores. Each physical core is split into multiple threads.

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