AMD EPYC 9B45
Also called amd epyc 9b45, epyc 9b45, epyc-9b45
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
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.
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.
Sources and verification
Reviewed by Feex editorial. Last verified August 2026 Status: Partially Verified. How we research.
- Feex Hardware Database · Specification source used for this sheet. CC BY 4.0.
- PassMark Software · CPU benchmark page for AMD EPYC 9B45
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