# AMD EPYC 9B45

Server CPU: AMD

Also called amd epyc 9b45, epyc 9b45, epyc-9b45

AMD, Server CPU

AMD EPYC server processor with 128 cores and 256 threads and no integrated graphics.

## What you need to know

Still a capable EPYC desktop chip.

AMD EPYC 9B45 launched in 2025., It has 128 cores and 256 threads. It is no longer the newest SKU in every store, but the chip is still useful when the rest of the PC keeps up.

- **Still good?**: Yes, for most work this class is sold for

  **Product age**: 1 year old

  **Upgrade pressure**: Low

Feex says

This SKU has no picture of its own. If the machine has no discrete GPU, a black screen after install is expected, not a dead CPU.

## What this hardware means today

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

- **Performance today**: **Excellent.** Excellent for the class when RAM, storage, and the GPU keep up.

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

  **Support status **: **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 **: **Low.** Upgrade pressure is low unless you need a different platform feature.

## Where does it sit?

This AMD line 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: Poor fit

Not the job. Use a desktop or workstation part if games are the point.

### Productivity: Excellent

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

### Multithreaded workloads: Very Good

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

### General use: Excellent

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

### Efficiency: Good

Power is not recorded on this sheet.

## 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 platform this SKU cannot offer
- You need substantially more multicore performance
- You need newer connectivity that your current board cannot offer

### 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

| Manufacturer | AMD    |
| ------------ | ------ |
| Family       | EPYC   |
| Segment      | Server |

### Cores and threads

AMD EPYC 9B45 has 128 cores and 256 threads.

| Cores   | 128 |
| ------- | --- |
| Threads | 256 |

### Integrated graphics

AMD EPYC 9B45 does not include integrated graphics.

| Integrated graphics | None |
| ------------------- | ---- |

### Market

AMD EPYC 9B45 launched 2025.

| Launch date | 2025 |
| ----------- | ---- |

## Independent scores

###

These are PassMark CPU figures. They are not Feex measurements.

| Single-core score  | 3,540   |
| ------------------ | ------- |
| Multi-core score   | 158,790 |
| Overall score      | 23,709  |
| Productivity score | 108,170 |
| Creator score      | 93,707  |
| Engineering score  | 222,306 |
| Gaming score       | 50,318  |

## Compatibility

| Graphics | Requires a discrete GPU. This SKU has no iGPU. |
| -------- | ---------------------------------------------- |

Confirm the platform from the manufacturer sheet before you buy a board for this SKU.

Cooler clearance, VRM quality, and power limits matter as much as the socket name.

Do not expect a display from the motherboard video ports. This SKU has no integrated graphics.

### No display after install

This SKU has no integrated graphics. A machine with no discrete GPU will not show a picture. That is expected, not a dead CPU.

## 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-epyc-9b45)· Specification source used for this sheet. CC BY 4.0.
- [PassMark Software ](https://www.cpubenchmark.net/cpu.php?cpu=AMD+EPYC+9B45)· CPU benchmark page for AMD EPYC 9B45

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Quick facts

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

- **Manufacturer**: AMD

  **Family**: EPYC

  **Launch**: 2025

  **Status**: Current generation, still capable

Partially Verified: Last verified August 2026

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Source: [Canonical Feex Wiki page](https://feex.it/wiki/hardware/cpu/amd-epyc-9b45/)

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