# Intel Core Ultra 5 135H

Laptop CPU: Intel

Also called intel core ultra 5 135h, core ultra 5 135h, 135h, core-ultra-5-135h

Intel, Laptop CPU, Meteor Lake

Intel Core Ultra 5 laptop processor on Meteor Lake, with 14 cores and 18 threads and 2048 KB L2, 18 MB L3 at 28 W TDP on a 7 nm process addressing up to 96 GB and Intel Arc graphics.

## What you need to know

Still a capable laptop cpu.

Intel Core Ultra 5 135H launched in October 1, 2023., It has 14 cores and 18 threads on Meteor Lake, dropping into the FCBGA2049 socket. 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**: 2 years 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**: **Excellent.** Laptop performance depends on the OEM power limit as much as this SKU name.

  **Product age 2 years old**: **Previous generation.** Launched October 1, 2023. 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?

Meteor 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: Very Good

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

### Productivity: Excellent

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

### Multithreaded workloads: Good

18 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: 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

Intel Core Ultra 5 135H is built on Meteor Lake using a 7 nm process.

| Manufacturer          | Intel                                  |
| --------------------- | -------------------------------------- |
| Family                | Core Ultra 5                           |
| Architecture          | Meteor Lake                            |
| Generation            | Intel Core Ultra processors (Series 1) |
| Manufacturing process | 7 nm                                   |
| Segment               | Mobile                                 |

### Cores and threads

Intel Core Ultra 5 135H has 14 cores and 18 threads.

| Cores               | 14 (4 P-cores + 8 E-cores) |
| ------------------- | -------------------------- |
| P-cores             | 4                          |
| E-cores             | 8                          |
| Threads             | 18                         |
| Hybrid architecture | Yes                        |

### Clock speeds

Base clock is 1.7 GHz. Boost reaches 4.6 GHz.

| Base frequency | 1.7 GHz |
| -------------- | ------- |
| Max boost      | 4.6 GHz |

### Cache

Cache on this sheet is 18 MB L3.

| L2 cache    | 2048 KB |
| ----------- | ------- |
| L3 cache    | 18 MB   |
| Total cache | 20 MB   |

### Memory

Intel Core Ultra 5 135H addresses 96 GB across 2 memory channels.

| Supported types | LPDDR5, DDR5 |
| --------------- | ------------ |
| Max capacity    | 96 GB        |
| Channels        | 2            |
| ECC support     | No           |

### Package and power

Intel Core Ultra 5 135H uses the FCBGA2049 socket and a 28 W TDP.

| Socket | FCBGA2049              |
| ------ | ---------------------- |
| TDP    | 28 W                   |
| PCIe   | Revision 5.0, 28 lanes |

### Integrated graphics

Intel Core Ultra 5 135H includes Intel Arc graphics.

| Integrated graphics | Intel Arc graphics |
| ------------------- | ------------------ |

### Market

Intel Core Ultra 5 135H launched October 1, 2023.

| Launch date | October 1, 2023 |
| ----------- | --------------- |
| Model       | 135H            |

### Features

Intel Core Ultra 5 135H records 7 instruction sets on this sheet.

| Instruction sets | AES-NIAVX2CETHyper-Threading64-bit (x86-64)SSE4.1SSE4.2                                |
| ---------------- | -------------------------------------------------------------------------------------- |
| Security         | Control-flow Enforcement (CET)Boot GuardHardware RNGOS GuardMode-Based Execute Control |
| Virtualization   | Extended Page Tables (EPT)VT-d (DMA Remapping)VT-x (Hardware Virtualization)           |
| AI acceleration  | Gaussian Neural Accelerator                                                            |

## Independent scores

###

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

| Single-core score    | 3,480  |
| -------------------- | ------ |
| Multi-core score     | 21,989 |
| Overall score        | 8,748  |
| Productivity score   | 19,165 |
| Creator score        | 18,358 |
| Engineering score    | 24,600 |
| Gaming score         | 15,937 |
| Performance per watt | 785.3  |

## Compatibility

| Socket   | FCBGA2049                                                                                         |
| -------- | ------------------------------------------------------------------------------------------------- |
| Board    | A shared socket is not automatic compatibility. Check the motherboard CPU list and BIOS revision. |
| Memory   | LPDDR5, DDR5, up to 96 GB                                                                         |
| Graphics | Intel Arc graphics                                                                                |

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/intel-core-ultra-5-135h)· Specification source used for this sheet. CC BY 4.0.
- [PassMark Software ](https://www.cpubenchmark.net/cpu.php?cpu=Intel+Core+Ultra+5+135H)· CPU benchmark page for Intel Core Ultra 5 135H

## Was this article useful?

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

Quick facts

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

- **Manufacturer**: Intel

  **Family**: Core Ultra 5

  **Architecture**: Meteor Lake

  **Socket**: FCBGA2049

  **Launch**: 2023

  **Status**: Previous generation, still capable

Partially Verified: Last verified August 2026

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