# Intel Xeon Platinum 8356H

Server CPU: Intel

Also called intel xeon platinum 8356h, xeon platinum 8356h, 8356h, xeon-platinum-8356h

Intel, Server CPU, Cooper Lake

Intel Xeon Platinum server processor on Cooper Lake, with 8 cores and 16 threads and 35.75 MB L3 at 190 W TDP on a 14 nm process addressing up to 1.12 GB and no integrated graphics.

## What you need to know

Intel Xeon Platinum 8356H is a aging server cpu.

Intel Xeon Platinum 8356H launched in July 1, 2020., It has 8 cores and 16 threads on Cooper Lake, dropping into the FCLGA4189 socket. Treat the spec table as the facts. Age alone does not tell you to throw it out.

- **Still good?**: Yes, for lighter work

  **Product age**: 6 years old

  **Upgrade pressure**: Moderate

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**: **Good.** Good for the class when RAM, storage, and the GPU keep up.

  **Product age 6 years old**: **Aging.** Launched July 1, 2020. 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;**: **Moderate.** Upgrade pressure comes from platform features and specific CPU-bound work, not from the chip being unusable.

## Where does it sit?

Cooper Lake sits on Intel's recent Core timeline. Later desktop branding moved toward Core Ultra.

11th Gen

12th Gen

13th Gen

14th Gen

Core Ultra

## 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: Good

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

### Multithreaded workloads: Good

16 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: Average

Rated 190 W base power. That is a platform number, not a promise about your cooler.

## Should you upgrade?

Probably not based on CPU performance alone.

### 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 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

Intel Xeon Platinum 8356H is built on Cooper Lake using a 14 nm process.

| Manufacturer          | Intel                                  |
| --------------------- | -------------------------------------- |
| Family                | Xeon Platinum                          |
| Architecture          | Cooper Lake                            |
| Generation            | 3rd Gen Intel Xeon Scalable Processors |
| Manufacturing process | 14 nm                                  |
| Segment               | Server                                 |

### Cores and threads

Intel Xeon Platinum 8356H has 8 cores and 16 threads.

| Cores   | 8  |
| ------- | -- |
| Threads | 16 |

### Clock speeds

Base clock is 3.9 GHz. Boost reaches 4.4 GHz.

| Base frequency | 3.9 GHz |
| -------------- | ------- |
| Max boost      | 4.4 GHz |

### Cache

Cache on this sheet is 35.75 MB L3.

| L3 cache    | 35.75 MB |
| ----------- | -------- |
| Total cache | 35.75 MB |

### Memory

Intel Xeon Platinum 8356H addresses 1.12 GB across 6 memory channels.

| Supported types | DDR4    |
| --------------- | ------- |
| Max capacity    | 1.12 GB |
| Channels        | 6       |

### Package and power

Intel Xeon Platinum 8356H uses the FCLGA4189 socket and a 190 W TDP.

| Socket | FCLGA4189              |
| ------ | ---------------------- |
| TDP    | 190 W                  |
| PCIe   | Revision 3.0, 48 lanes |

### Integrated graphics

Intel Xeon Platinum 8356H does not include integrated graphics.

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

### Market

Intel Xeon Platinum 8356H launched July 1, 2020 at USD 3400 (suggested price at launch).

| Launch date | July 1, 2020                         |
| ----------- | ------------------------------------ |
| Launch MSRP | USD 3400 (suggested price at launch) |
| Model       | 8356H                                |

### Features

Intel Xeon Platinum 8356H records 8 instruction sets on this sheet.

| Instruction sets | AES-NIAVX-512AVX2AVXFMASHA64-bit (x86-64)SSE4.2                              |
| ---------------- | ---------------------------------------------------------------------------- |
| Security         | Execute Disable (NX)Boot GuardSGXTrusted ExecutionMode-Based Execute Control |
| Virtualization   | Extended Page Tables (EPT)VT-d (DMA Remapping)VT-x (Hardware Virtualization) |

## Compatibility

| Socket   | FCLGA4189                                                                                         |
| -------- | ------------------------------------------------------------------------------------------------- |
| Board    | A shared socket is not automatic compatibility. Check the motherboard CPU list and BIOS revision. |
| Memory   | DDR4, up to 1.12 GB                                                                               |
| Graphics | Requires a discrete GPU. This SKU has no iGPU.                                                    |

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

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/intel-xeon-platinum-8356h)· Specification source used for this sheet. CC BY 4.0.

## Was this article useful?

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Quick facts

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

- **Manufacturer**: Intel

  **Family**: Xeon Platinum

  **Architecture**: Cooper Lake

  **Socket**: FCLGA4189

  **Launch**: 2020

  **Status**: Aging

Partially Verified: Last verified August 2026

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