# AMD Ryzen 5 40

Laptop CPU: AMD

Also called amd ryzen 5 40, ryzen 5 40, ryzen-5-40

AMD, Laptop CPU, Zen 2

AMD Ryzen 5 laptop processor on Zen 2, with 4 cores and 8 threads and 2048 KB L2, 4 MB L3 at 15 W TDP on a 6 nm process addressing up to 16 GB and Yes.

## What you need to know

AMD Ryzen 5 40 is a current generation laptop cpu.

AMD Ryzen 5 40 launched in October 1, 2025., It has 4 cores and 8 threads on Zen 2, dropping into the FT6 socket. Treat the spec table as the facts. Age alone does not tell you to throw it out.

- **Still good?**: Only if the workload is light

  **Product age**: Less than a year old

  **Upgrade pressure**: Low

Feex says

Laptop SKUs are power-limited. The name on the lid is not the same chip you would get on a desktop board.

## What this hardware means today

Age and usefulness are not the same number. This page keeps them separate.

- **Performance today**: **Average.** Laptop performance depends on the OEM power limit as much as this SKU name.

  **Product age 0 years old**: **Current generation.** Launched October 1, 2025. Newer platforms exist. That does not make this chip unusable by itself.

  **Support status&#x20;**: **Supported.** Current Windows and current applications still run on this class of CPU. Platform BIOS support depends on the motherboard or laptop vendor.

  **Upgrade pressure&#x20;**: **Low.** Upgrade pressure is low unless you need a different platform feature.

## Where does it sit?

Zen 2 sits on AMD's recent Zen desktop and laptop timeline. Later chips keep the brand and change the core.

Zen 2

Zen 3

Zen 4

Zen 5

## Performance context

These are qualitative readings, not a fake 8.7 out of 10. Workload still wins.

### Gaming: Good

Fine when the laptop GPU is the limit. CPU names on thin laptops often are not.

### Productivity: Average

4 cores cover office, browser, and compile work in this class.

### Multithreaded workloads: Average

8 threads. Heavy encodes still scale further on higher-core parts.

### General use: Good

Everyday Windows use is not where most people notice this SKU first.

### Efficiency: Depends on the laptop

The same SKU in two laptops can draw very different power. Read the device, not the CPU name alone.

## Should you upgrade?

Probably not if this chip already matches your work.

### Upgrade makes more sense if

- Your workload is strongly CPU limited
- You need a newer platform for memory, I/O, or chipset features
- You need substantially more multicore performance
- You are buying a whole new laptop anyway

### Upgrade makes less sense if

- The GPU is the real bottleneck
- Current applications are already responsive
- The CPU rarely limits your workload

## Specifications

Figures below follow the Feex Hardware Database record for this SKU. Fields without a recorded value are omitted.

### Processor

AMD Ryzen 5 40 is built on Zen 2 using a 6 nm process at TSMC.

| Manufacturer          | AMD             |
| --------------------- | --------------- |
| Family                | Ryzen 5         |
| Architecture          | Zen 2           |
| Codename              | Mendocino       |
| Generation            | Ryzen 10 Series |
| Manufacturing process | 6 nm            |
| Foundry               | TSMC            |
| Segment               | Laptop          |

### Cores and threads

AMD Ryzen 5 40 has 4 cores and 8 threads.

| Cores   | 4 |
| ------- | - |
| Threads | 8 |

### Clock speeds

Base clock is 2.8 GHz. Boost reaches 4.3 GHz.

| Base frequency | 2.8 GHz |
| -------------- | ------- |
| Max boost      | 4.3 GHz |

### Cache

Cache on this sheet is 4 MB L3.

| L2 cache    | 2048 KB |
| ----------- | ------- |
| L3 cache    | 4 MB    |
| Total cache | 6 MB    |

### Memory

AMD Ryzen 5 40 addresses 16 GB across 2 memory channels.

| Supported types | LPDDR5 |
| --------------- | ------ |
| Max capacity    | 16 GB  |
| Channels        | 2      |

### Package and power

AMD Ryzen 5 40 uses the FT6 socket and a 15 W TDP.

| Socket | FT6                   |
| ------ | --------------------- |
| TDP    | 15 W                  |
| PCIe   | Revision 3.0, 4 lanes |

### Integrated graphics

AMD Ryzen 5 40 includes Yes.

| Integrated graphics | Yes |
| ------------------- | --- |

### Market

AMD Ryzen 5 40 launched October 1, 2025.

| Launch date | October 1, 2025 |
| ----------- | --------------- |

## Compatibility

| Socket   | FT6                                                                                               |
| -------- | ------------------------------------------------------------------------------------------------- |
| Board    | A shared socket is not automatic compatibility. Check the motherboard CPU list and BIOS revision. |
| Memory   | LPDDR5, up to 16 GB                                                                               |
| Graphics | Yes                                                                                               |

A shared socket is not automatic compatibility. Boards often need a BIOS update before a newer chip in the same socket will post.

Laptop power limits, cooling, and the OEM firmware matter as much as the model name.

Read the memory list on the board. The CPU can list more standards than one motherboard will accept.

### No post after a CPU swap

Clear CMOS only after you confirm the board list includes this SKU and the BIOS is new enough. A supported name on a box is not the same as a flashed board.

## Related

These entities connect to this article. Type is shown on every link.

[Processors: Hardware](https://feex.it/wiki/hardware/cpu)

## Sources and verification

Reviewed by Feex editorial. Last verified August 2026 Status: Partially Verified. [How we research](https://feex.it/wiki/research).

- [Feex Hardware Database ](https://foxhole.feex.it/cpu/amd-ryzen-5-40)· Specification source used for this sheet. CC BY 4.0.
- [Photo: FritzchensFritz ](https://commons.wikimedia.org/wiki/File:AMD@4nmCCD\(6nmIOD\)@Zen5@Granite_Ridge@Ryzen_5_9600X@100-000001405_BY_2429SUY_9AEQ579S40073_DSC01872.jpg)· CC0

## Was this article useful?

A yes or no is enough. Pick a reason if you want, or add a short note.

[FritzchensFritz](https://commons.wikimedia.org/wiki/File:AMD@4nmCCD\(6nmIOD\)@Zen5@Granite_Ridge@Ryzen_5_9600X@100-000001405_BY_2429SUY_9AEQ579S40073_DSC01872.jpg) · [CC0](http://creativecommons.org/publicdomain/zero/1.0/deed.en)

Quick facts

The short identity of this page. Specs, sources, and the full story stay in the article.

- **Manufacturer**: AMD

  **Family**: Ryzen 5

  **Architecture**: Zen 2

  **Socket**: FT6

  **Launch**: 2025

  **Status**: Current generation

Partially Verified: Last verified August 2026

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Source: [Canonical Feex Wiki page](https://feex.it/wiki/hardware/cpu/amd-ryzen-5-40/)

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