AMD Ryzen 9 5900X vs AMD Ryzen 9 7945HX
Verdict
Our overall take, at a glance
Key takeaways
- AMD Ryzen 9 5900X and AMD Ryzen 9 7945HX are closely matched overall (within 2 points).
- AMD Ryzen 9 5900X stands out on Core Specifications Base Frequency: 3.7 GHz, Core Specifications Base Power Consumption: 105 W, Core Specifications Maximum Power Consumption: 220 W.
- AMD Ryzen 9 7945HX counters with Core Specifications Cores: 16, Core Specifications Threads: 32, Core Specifications Maximum Frequency: 5.4 GHz.
AMD Ryzen 9 5900X and AMD Ryzen 9 7945HX are closely matched
$549 at launch
AMD Ryzen 9 5900X
73
AMD Ryzen 9 7945HX
71
Where AMD Ryzen 9 5900X stands out
- Core Specifications Base Frequency: 3.7 GHz
- Core Specifications Base Power Consumption: 105 W
- Core Specifications Maximum Power Consumption: 220 W
Where AMD Ryzen 9 7945HX stands out
- Core Specifications Cores: 16
- Core Specifications Threads: 32
- Core Specifications Maximum Frequency: 5.4 GHz
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.
AMD Ryzen 9 5900X
The AMD Ryzen processors are a line of x86-64 microprocessors manufactured by AMD. They include several product lines such as Ryzen 3, Ryzen 5, Ryzen 7, and Ryzen 9. All consumer desktop Ryzens support Simultaneous Multithreading (SMT) technology.
Best for Desktop computing
Pros
- Supports Simultaneous Multithreading (SMT)
AMD Ryzen 9 7945HX
The AMD Ryzen 9 7945HX is an x86-64 microprocessor manufactured by AMD. Ryzen processors, which include the Ryzen 9 series, are based on the Zen microarchitecture. Mobile processors with the HX suffix are noted among these products.
Value for Money
Which is the better deal for the price
Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.
AMD Ryzen 9 5900X
AMD Ryzen 9 7945HX
Performance
Higher benchmark score = faster
AMD Ryzen 9 5900X32,000
AMD Ryzen 9 7945HX59,824
Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.
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Detailed Specifications
The full spec sheet, side by side