AMD Ryzen 9 7945HX
Expert rating8.5 / 10
- Brand:
- AMD
- Form Factor:
- Laptop
- CPU Socket:
- FL1
- Core/Thread Count:
- 16C/32T
- TDP:
- 55W
- iGPU:
- AMD Radeon 610M Graphics (RDNA 2)
- CPU Series:
- Ryzen
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Manufacturer: AMD Last updated: 2026-09-12
AMD Ryzen 9 7945HX Review
AMD Ryzen 9 7945HX 16-core 32-thread mobile processor, 2.9GHz base / 5.2GHz boost, 55W TDP, Zen 4 (Dragon Range)
The AMD Ryzen 9 7945HX is an unlocked, desktop-class mobile processor for high-end gaming and creator laptops. Built on AMD's Zen 4 (Dragon Range), it pairs 16 cores and 32 threads with a 2.9GHz base clock boosting to 5.2GHz and 32MB of L3 cache, all within a 55W power envelope.
Performance and Architecture
With 16 cores and 32 threads, the AMD Ryzen 9 7945HX is built on AMD's Zen 4 (Dragon Range). Its 2.9GHz base clock boosts up to 5.2GHz, backed by 32MB of L3 cache for solid multitasking and application performance in a laptop chassis.
Benchmarks
The benchmarks below are published results for specific applications. They are measured separately and do not feed the two scores above.
Blender Cycles (CPU) - samples/min (More is Better)
- AMD Ryzen 9 9955HX3D522 samples/min
- Intel Core i9-13900K487 samples/min
- AMD Ryzen 9 7945HX (this product)486 samples/min
- Intel Core Ultra 9 275HX457 samples/min
- Intel Core i7-14700K443 samples/min
- Intel Core i7-13700K388 samples/min
Renders a fixed 3D scene on the processor using every core, from the public Blender Open Data results.
This is the clearest all-core test on the page. The gap tracks core count and sustained clocks fairly closely, so it is the best guide to render, export and compile times. It says nothing about gaming.
Graphics and Efficiency
The AMD Ryzen 9 7945HX operates within a 55W power envelope, positioned as an unlocked, desktop-class mobile processor for high-end gaming and creator laptops. Integrated graphics come from AMD Radeon 610M Graphics (RDNA 2), handling everyday graphics tasks and light gaming without a discrete GPU.
Comparison to Alternatives
Within AMD's Ryzen mobile lineup in this catalog, the AMD Ryzen 9 7945HX sits among other Zen 4 (Dragon Range) parts at the 16-core tier, differentiated by suffix and TDP class. Against Intel's Core Mobile processors in this catalog, the AMD Ryzen 9 7945HX offers competitive multi-threaded performance and efficiency, while against AMD's own Ryzen AI Mobile chips in this catalog it trades a dedicated NPU/AI acceleration block for a simpler, often lower-cost platform.
Our verdict
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating8.5 / 10
The AMD Ryzen 9 7945HX delivers desktop-class multi-core performance in a laptop form factor, ideal for demanding gaming and creation workloads.
Best for
- Gaming laptops
- Mobile content creation
- High-performance mobile workstations
Not for
- Thin-and-light ultraportables
- All-day battery life needs
- Fanless designs
Specifications
What these specs meanIdentity
| Codename | Dragon Range |
|---|---|
| Release Year | 2023 |
Segment and platform
| Market Segment | Laptop |
|---|---|
| Microarchitecture | Zen 4 (Dragon Range) |
| Socket | FL1 |
| Process Node | 5 nm |
Core configuration
| Total Cores | 16 |
|---|---|
| Performance Cores | 16 |
| Efficiency Cores | 0 |
| Total Threads | 32 |
| SMT Enabled | Yes |
Clock speeds
| P-Core Base Clock | 2.5 GHz |
|---|---|
| P-Core Boost Clock | 5.4 GHz |
Cache
| L3 Cache | 64 MB |
|---|
Power and thermal
| Base Power | 55 W |
|---|
Memory
| Memory Type | DDR5 |
|---|
Graphics and AI
| Integrated Graphics | Yes |
|---|
| Form Factor | Laptop |
|---|---|
| TDP | 55 W |
| iGPU | AMD Radeon 610M Graphics (RDNA 2) |
FAQs
What are the key specifications of the AMD Ryzen 9 7945HX?
The AMD Ryzen 9 7945HX has 16 cores and 32 threads, a 2.5 GHz base and 5.4 GHz boost clock, 64 MB of L3 cache and a 55 W TDP. Integrated graphics: AMD Radeon 610M Graphics (RDNA 2). Socket: FL1.
Will the AMD Ryzen 9 7945HX work with my current setup?
The AMD Ryzen 9 7945HX lists Socket is BGA (soldered, mobile). Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.
Who is the AMD Ryzen 9 7945HX best suited to?
Best suited to: Gaming laptops; Mobile content creation; High-performance mobile workstations.
What are the drawbacks of the AMD Ryzen 9 7945HX?
Not the best fit for: Thin-and-light ultraportables; All-day battery life needs; Fanless designs.