AMD Ryzen 7 8840HX
Expert rating8.5 / 10
- Brand:
- AMD
- Form Factor:
- Laptop
- CPU Socket:
- BGA (soldered
- Core/Thread Count:
- 8C/16T
- 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 7 8840HX Review
AMD Ryzen 7 8840HX 8-core 16-thread mobile processor, 2.9GHz base / 5.2GHz boost, 55W TDP, Zen 4 (Dragon Range)
The AMD Ryzen 7 8840HX is an unlocked, desktop-class mobile processor for high-end gaming and creator laptops. Built on AMD's Zen 4 (Dragon Range), it pairs 8 cores and 16 threads with a 2.9GHz base clock boosting to 5.2GHz and 16MB of L3 cache, all within a 55W power envelope.
Performance and Architecture
With 8 cores and 16 threads, the AMD Ryzen 7 8840HX is built on AMD's Zen 4 (Dragon Range). Its 2.9GHz base clock boosts up to 5.2GHz, backed by 16MB of L3 cache for solid multitasking and application performance in a laptop chassis.
Graphics and Efficiency
The AMD Ryzen 7 8840HX 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 7 8840HX sits among other Zen 4 (Dragon Range) parts at the 8-core tier, differentiated by suffix and TDP class. Against Intel's Core Mobile processors in this catalog, the AMD Ryzen 7 8840HX 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.
Specifications
Identity
| Brand | AMD |
|---|---|
| Product Line | Ryzen |
| Model Number | 7 8840HX |
| Codename | Dragon Range |
| Release Year | 2025 |
Segment and platform
| Market Segment | Laptop |
|---|---|
| Microarchitecture | Zen 4 (Dragon Range) |
| Socket | BGA (soldered, mobile) |
| Socket Status | Mature |
| Process Node | 5 nm |
Core configuration
| Total Cores | 8 |
|---|---|
| Performance Cores | 8 |
| Efficiency Cores | 0 |
| Total Threads | 16 |
| SMT Enabled | Yes |
Clock speeds
| P-Core Base Clock | 2.9 GHz |
|---|---|
| P-Core Boost Clock | 5.2 GHz |
| Unlocked Multiplier | Yes |
Cache
| L2 Cache | 4 MB |
|---|---|
| L3 Cache | 16 MB |
Power and thermal
| Base Power | 55 W |
|---|---|
| Max Turbo Power | 75 W |
Memory
| Memory Type | DDR5 |
|---|---|
| Max Memory Speed | 5600 MT/s |
| Memory Channels | 2 |
| Max Memory Capacity | 256 GB |
| ECC Support | No |
Graphics and AI
| Integrated Graphics | Yes |
|---|---|
| iGPU Model | AMD Radeon 610M |
| iGPU Compute Units | 2 |
Expansion
| PCIe Generation | PCIe 4.0 |
|---|---|
| PCIe Lanes | 16 |
Commercial
| Retail Availability | Soldered Only |
|---|
| Form Factor | Laptop |
|---|---|
| TDP | 55 W |
| iGPU | AMD Radeon 610M Graphics (RDNA 2) |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating8.5 / 10
The AMD Ryzen 7 8840HX 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
FAQs
What are the key specifications of the AMD Ryzen 7 8840HX?
The AMD Ryzen 7 8840HX is a processor from AMD. Key specs: Cores 8, Threads 16, Base Clock 2.9 GHz, Boost Clock 5.2 GHz, L3 Cache 16.
Will the AMD Ryzen 7 8840HX work with my current setup?
The AMD Ryzen 7 8840HX 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 7 8840HX best suited to?
It suits gaming laptops, mobile content creation, high-performance mobile workstations.
What are the drawbacks of the AMD Ryzen 7 8840HX?
It is a poor fit for thin-and-light ultraportables, all-day battery life needs, fanless designs.