AMD Ryzen 9 7945HX3D vs AMD Ryzen 9 5900XT

Compare AMD Ryzen 9 16 core CPU vs AMD Ryzen 5000 Series 16 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

11621 points
14% slightly better overall score
10175 points

Gaming Score

The raw gaming performance with a fast GPU

10251 points
17% slightly better gaming score
8712 points

Multitasking Score

Performance in workloads using up to 8 cores

12118 points
12% slightly better multitasking score
10760 points

Heavy Workload Score

Performance in workloads using up to 16 cores

12323 points
11% slightly better heavy workload score
11072 points

Free CPU Benchmark

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Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

12988 points
16% slightly higher 3DMark Physics score
11130 points
Blender score

Blender score

Cycles Render (Samples per minute)

463.95 points
26% 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

2.30 GHz
3.30 GHz
43% significantly 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

192 MiB
200% significantly more L3 cache
64 MiB

Other details

Rank

Ranking in the hardwareDB database

56th of 1,089
83rd of 1,089

Family

The product line

Ryzen 9
Ryzen 5000 Series

Release date

The official date of release of this chip

2023 July
2024 July

Memory Type

The type of memory used by this chip

DDR5
DDR4

Is Unlocked

Can this CPU can be overclocked

-
Yes

Ryzen 9 7945HX3D vs Ryzen 9 5900XT benchmarks

In our benchmarks, the Ryzen 9 5900XT beats the Ryzen 9 7945HX3D in overall performance. Despite this, the Ryzen 9 7945HX3D has the advantage in our gaming benchmark.

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 significantly higher clock speed compared to the Ryzen 9 7945HX3D. Despite this, the Ryzen 9 7945HX3D has a slightly higher turbo speed. A Ryzen 9 7945HX3D 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 7945HX3D has significantly more L2 cache than the Ryzen 9 5900XT. The Ryzen 9 7945HX3D 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 7945HX3D has more threads than cores. Each physical core is split into multiple threads.

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