AMD Ryzen 7 PRO 7840U
Expert rating7.8 / 10
- Brand:
- AMD
- Form Factor:
- Laptop
- CPU Socket:
- BGA (soldered
- Core/Thread Count:
- 8C/16T
- TDP:
- 15W
- iGPU:
- AMD Radeon 740M/760M/780M Graphics (RDNA 3)
- CPU Series:
- Ryzen
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Manufacturer: AMD Last updated: 2026-09-12
AMD Ryzen 7 PRO 7840U Review
AMD Ryzen 7 PRO 7840U 8-core 16-thread mobile processor, 1.7GHz base / 4.9GHz boost, 15W TDP, Zen 4 (Phoenix/Hawk Point)
The AMD Ryzen 7 PRO 7840U is a power-efficient ultraportable chip built for thin-and-light laptops with long battery life with PRO-series manageability, security, and platform longevity for business fleets. Built on AMD's Zen 4 (Phoenix/Hawk Point), it pairs 8 cores and 16 threads with a 1.7GHz base clock boosting to 4.9GHz and 16MB of L3 cache, all within a 15W power envelope.
Performance and Architecture
With 8 cores and 16 threads, the AMD Ryzen 7 PRO 7840U is built on AMD's Zen 4 (Phoenix/Hawk Point). Its 1.7GHz base clock boosts up to 4.9GHz, backed by 16MB of L3 cache for solid multitasking and application performance in a laptop chassis.
Graphics and Efficiency
The AMD Ryzen 7 PRO 7840U operates within a 15W power envelope, positioned as a power-efficient ultraportable chip built for thin-and-light laptops with long battery life with PRO-series manageability, security, and platform longevity for business fleets. Integrated graphics come from AMD Radeon 740M/760M/780M Graphics (RDNA 3), handling everyday graphics tasks and light gaming without a discrete GPU. The PRO designation adds commercial manageability, enhanced security, and extended platform longevity for business deployments.
Comparison to Alternatives
Within AMD's Ryzen mobile lineup in this catalog, the AMD Ryzen 7 PRO 7840U sits among other Zen 4 (Phoenix/Hawk Point) 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 PRO 7840U 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
| Product Line | Ryzen 7 |
|---|---|
| Model Number | 7 PRO 7840U |
| Codename | Phoenix |
| Release Year | 2023 |
Segment and platform
| Market Segment | Laptop |
|---|---|
| Microarchitecture | Zen 4 (Phoenix/Hawk Point) |
| Socket | BGA (soldered, mobile) |
| Socket Status | Mature |
| Process Node | 4 nm |
Core configuration
| Total Cores | 8 |
|---|---|
| Total Cores | 8 |
| Performance Cores | 8 |
| Efficiency Cores | 0 |
| Total Threads | 16 |
| Total Threads | 16 |
| SMT Enabled | Yes |
Clock speeds
| P-Core Base Clock | 3.3 GHz |
|---|---|
| P-Core Boost Clock | 5.1 GHz |
Cache
| L2 Cache | 8 MB |
|---|---|
| L3 Cache | 16 MB |
Power and thermal
| Base Power | 28 W |
|---|---|
| Max Turbo Power | 30 W |
| Configurable TDP Floor | 15 W |
Memory
| Memory Type | DDR5 or LPDDR5X |
|---|---|
| Max Memory Speed | 7500 MT/s |
| Memory Channels | 2 |
Graphics and AI
| Integrated Graphics | Yes |
|---|---|
| iGPU Model | AMD Radeon 780M |
| iGPU Compute Units | 12 |
| Copilot Plus Certified | No |
Expansion
| PCIe Generation | PCIe 4.0 |
|---|
| Form Factor | Laptop |
|---|---|
| TDP | 28 W |
| iGPU | AMD Radeon 740M/760M/780M Graphics (RDNA 3) |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating7.8 / 10
The AMD Ryzen 7 PRO 7840U is a well-balanced ultraportable chip that prioritizes battery life and everyday responsiveness.
Best for
- Ultraportable laptops
- Business travel
- Everyday productivity
Not for
- Gaming laptops
- Heavy content creation
- Sustained multi-threaded workloads
FAQs
What are the key specifications of the AMD Ryzen 7 PRO 7840U?
The AMD Ryzen 7 PRO 7840U is a processor from AMD. Key specs: Cores 8, Threads 16, Base Clock 1.7 GHz, Boost Clock 4.9 GHz, L3 Cache 16.
Will the AMD Ryzen 7 PRO 7840U work with my current setup?
The AMD Ryzen 7 PRO 7840U 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 PRO 7840U best suited to?
It suits ultraportable laptops, business travel, everyday productivity.
What are the drawbacks of the AMD Ryzen 7 PRO 7840U?
It is a poor fit for gaming laptops, heavy content creation, sustained multi-threaded workloads.