AMD Ryzen 9 4900H
- iGPU:
- AMD Radeon Vega 8 Graphics
- Boost/Base Clock:
- 4.4 GHz / 3.3 GHz
- Core/Thread Count:
- 8 Core (SMT Disabled)
- Cache:
- 8MB L3 + 4MB L2 + 512KB L1
- TDP:
- 45 Watts
- CPU Process Node:
- 7 Nanometers (TSMC)
- CPU Socket:
- FP6
- CPU Series:
- Zen 2
- Memory Support:
- DDR4-3200
- Form Factor:
- Laptop
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Manufacturer: AMD Last updated: September 9, 2026
AMD Ryzen 9 4900H Review
The AMD Ryzen 9 4900H is an 8-core mobile processor built on Zen 2, notable for shipping with SMT (simultaneous multithreading) disabled despite carrying the flagship Ryzen 9 badge, running a 3.3 GHz base clock that boosts to 4.4 GHz within a 45 Watt TDP.
Marketed as one of the fastest laptop CPUs of its launch window despite the unusual choice to disable SMT, this chip prioritizes single-thread and 8-core (non-hyperthreaded) performance over the maximum threading found on its sibling, the Ryzen 9 4900HS.
AMD Radeon Vega 8 Graphics
An 8-compute-unit Vega iGPU, adequate as a fallback for battery-saving switchable graphics in a gaming laptop pairing this chip with a discrete GPU.
How Is the Ryzen 9 4900H in Terms of Performance
The disabled SMT is a genuine, notable choice for a flagship-badged chip, meaning multi-threaded work that specifically benefits from hyperthreading will trail SMT-equipped 8-core siblings, while single-threaded and lightly-threaded performance remains strong given the same underlying Zen 2 cores.
Benchmarks
Cinebench R23 multi-core scores of 11,069 and single-core scores of 1,289 reflect genuinely strong performance despite the disabled SMT. Geekbench 5 multi-core scores of 7,908 confirm this chip remained one of the strongest mobile processors of its launch window.
Specifications
Identity
| Brand | AMD |
|---|---|
| Product Line | Ryzen 9 |
| Model Number | 4900H |
Segment and platform
| Microarchitecture | Zen 2, Ryzen 4000 Series "Renoir" |
|---|---|
| Socket | FP6 |
| Process Node | 7 nm |
Memory
| Memory Type | DDR4-3200, LPDDR4-4266 |
|---|
| Form Factor | Laptop |
|---|---|
| Core/Thread Count | 8 Core (SMT Disabled) |
| TDP | 45 W |
| iGPU | AMD Radeon Vega 8 Graphics |
| Cache | 8MB L3 + 4MB L2 + 512KB L1 |
| Boost/Base Clock | 4.4 GHz / 3.3 GHz |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Gaming laptops of the Ryzen 4000 generation wanting strong 8-core, single-thread-focused performance
Not for
- Buyers specifically wanting maximum multi-threaded ceiling from hyperthreading — the SMT-equipped Ryzen 9 4900HS delivers stronger results in heavily-threaded workloads
FAQs
What are the key specifications of the AMD Ryzen 9 4900H?
The AMD Ryzen 9 4900H is a processor from AMD. Key specs: iGPU AMD Radeon Vega 8 Graphics, Boost/Base Clock 4.4 GHz / 3.3 GHz, Core/Thread Count 8 Core (SMT Disabled), Cache 8MB L3 + 4MB L2 + 512KB L1, TDP 45 Watts.
Will the AMD Ryzen 9 4900H work with my current setup?
The AMD Ryzen 9 4900H 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 4900H best suited to?
It suits gaming laptops of the ryzen 4000 generation wanting strong 8-core, single-thread-focused performance.
What are the drawbacks of the AMD Ryzen 9 4900H?
It is a poor fit for buyers specifically wanting maximum multi-threaded ceiling from hyperthreading — the smt-equipped ryzen 9 4900hs delivers stronger results in heavily-threaded workloads.