AMD Ryzen 9 5900HS
- iGPU:
- AMD Radeon Vega 8 Graphics
- Boost/Base Clock:
- 4.6 GHz
- Core/Thread Count:
- 8 Core / 16 Thread
- Cache:
- 16MB L3 + 4MB L2 + 512KB L1
- TDP:
- 35 Watts
- CPU Process Node:
- 7 Nanometers (TSMC)
- CPU Socket:
- FP6
- CPU Series:
- Zen 3 "Cezanne"
- Form Factor:
- Laptop
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Manufacturer: AMD Last updated: September 9, 2026
AMD Ryzen 9 5900HS Review
The AMD Ryzen 9 5900HS is an 8-core, 16-thread processor for thin-and-light gaming laptops, built on genuine Zen 3, boosting up to 4.6 GHz within a 35 Watt TDP.
Sitting between the standard Ryzen 7 5800HS and the flagship Ryzen 9 5980HS in AMD's thin-and-light Zen 3 lineup, this chip delivers strong performance close to the flagship at a typically lower price point.
AMD Radeon Vega 8 Graphics
An 8-compute-unit Vega iGPU, adequate as a fallback for battery-saving switchable graphics in the thin-and-light gaming laptops this chip targets.
How Is the Ryzen 9 5900HS in Terms of Performance
Sitting between the 5800HS and flagship 5980HS in AMD's HS-series stack, this chip delivers genuinely strong performance close to the flagship tier at a typically more accessible price within thin-and-light gaming laptop designs.
Benchmarks
Cinebench R23 multi-core scores of 12,312 and single-core scores of 1,491 place this chip very close to the flagship Ryzen 9 5980HS's comparable figures. Geekbench 5 multi-core scores of 8,579 confirm genuinely strong thin-and-light gaming laptop performance.
Specifications
Identity
| Brand | AMD |
|---|---|
| Product Line | Ryzen 9 |
| Product Line | Ryzen |
| Model Number | 5900HS |
| Codename | Cezanne |
| Release Year | 2021 |
Segment and platform
| Market Segment | Laptop |
|---|---|
| Microarchitecture | Zen 3 "Cezanne", Ryzen 5000 Series |
| Socket | FP6 |
| Socket | BGA |
| Socket Status | End of Life |
| Process Node | 7 nm |
| Process Node | 7 nm |
Core configuration
| Total Cores | 8 |
|---|---|
| Performance Cores | 8 |
| Efficiency Cores | 0 |
| Total Threads | 16 |
| SMT Enabled | Yes |
Clock speeds
| P-Core Boost Clock | 4.6 GHz |
|---|
Cache
| L2 Cache | 4 MB |
|---|---|
| L3 Cache | 16 MB |
Power and thermal
| Base Power | 35 W |
|---|
Memory
| Max Memory Speed | 4266 MT/s |
|---|---|
| Memory Channels | 2 |
| ECC Support | No |
Graphics and AI
| Integrated Graphics | Yes |
|---|---|
| iGPU Model | AMD Radeon Vega 8 Graphics |
| iGPU Compute Units | 8 |
| Copilot Plus Certified | No |
Expansion
| PCIe Generation | PCIe 3.0 |
|---|
Commercial
| Retail Availability | Soldered Only |
|---|
| Form Factor | Laptop |
|---|---|
| Core/Thread Count | 8 Core / 16 Thread |
| TDP | 35 W |
| iGPU | AMD Radeon Vega 8 Graphics |
| Cache | 16MB L3 + 4MB L2 + 512KB L1 |
| Boost/Base Clock | 4.6 GHz |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Thin-and-light gaming laptops wanting near-flagship AMD performance at a typically more accessible price than the 5980HS
Not for
- Buyers specifically chasing the absolute highest available clock speed — the flagship Ryzen 9 5980HS, covered elsewhere on this site, edges ahead there
FAQs
What are the key specifications of the AMD Ryzen 9 5900HS?
The AMD Ryzen 9 5900HS is a processor from AMD. Key specs: iGPU AMD Radeon Vega 8 Graphics, Boost/Base Clock 4.6 GHz, Core/Thread Count 8 Core / 16 Thread, Cache 16MB L3 + 4MB L2 + 512KB L1, TDP 35 Watts.
Will the AMD Ryzen 9 5900HS work with my current setup?
The AMD Ryzen 9 5900HS lists CPU Socket is FP6. 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 5900HS best suited to?
It suits thin-and-light gaming laptops wanting near-flagship amd performance at a typically more accessible price than the 5980hs.
What are the drawbacks of the AMD Ryzen 9 5900HS?
It is a poor fit for buyers specifically chasing the absolute highest available clock speed — the flagship ryzen 9 5980hs, covered elsewhere on this site, edges ahead there.