AMD Ryzen 9 7945HX3D
Expert rating9.1 / 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 7945HX3D Review
AMD Ryzen 9 7945HX3D 16-core 32-thread mobile processor, 2.5GHz base / 5.4GHz boost, 55W TDP, Zen 4 (7040/9955 Dragon Range)
The AMD Ryzen 9 7945HX3D is a desktop-class 3D V-Cache mobile flagship for gaming laptops that rivals desktop performance. Built on AMD's Zen 4 (7040/9955 Dragon Range), it pairs 16 cores and 32 threads with a 2.5GHz base clock boosting to 5.4GHz and 64MB of L3 cache, all within a 55W power envelope.
Performance and Architecture
With 16 cores and 32 threads, the AMD Ryzen 9 7945HX3D is built on AMD's Zen 4 (7040/9955 Dragon Range). Its 2.5GHz base clock boosts up to 5.4GHz, backed by 64MB of L3 cache for solid multitasking and application performance in a laptop chassis.
Graphics and Efficiency
The AMD Ryzen 9 7945HX3D operates within a 55W power envelope, positioned as a desktop-class 3D V-Cache mobile flagship for gaming laptops that rivals desktop performance. 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 7945HX3D sits among other Zen 4 (7040/9955 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 7945HX3D 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 rating9.1 / 10
The AMD Ryzen 9 7945HX3D is the pinnacle of mobile gaming performance, bringing 3D V-Cache and desktop-class core counts to a laptop chassis.
Best for
- High-end gaming laptops
- Mobile workstations
- Content creation on the go
Not for
- Thin-and-light laptops
- Battery-focused ultraportables
- Budget builds
Specifications
What these specs meanIdentity
| Codename | Dragon Range |
|---|---|
| Release Year | 2023 |
Segment and platform
| Market Segment | Laptop |
|---|---|
| Microarchitecture | Zen 4 (7040/9955 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 | 2.3 GHz |
|---|---|
| P-Core Boost Clock | 5.4 GHz |
Cache
| L3 Cache | 128 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 7945HX3D?
The AMD Ryzen 9 7945HX3D has 16 cores and 32 threads, a 2.3 GHz base and 5.4 GHz boost clock, 128 MB of L3 cache and a 55 W TDP. Integrated graphics: AMD Radeon 610M Graphics (RDNA 2). Socket: FL1.
Will the AMD Ryzen 9 7945HX3D work with my current setup?
The AMD Ryzen 9 7945HX3D 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 7945HX3D best suited to?
Best suited to: High-end gaming laptops; Mobile workstations; Content creation on the go.
What are the drawbacks of the AMD Ryzen 9 7945HX3D?
Not the best fit for: Thin-and-light laptops; Battery-focused ultraportables; Budget builds.