Intel Core Ultra 9 275HX: Specs, Pros & Cons

KACBU

Should I buy it?

Intel Core Ultra 9 275HX

CONSIDER

Great choice if these matter:

Gaming
Content Creation
Work / Productivity

Watch out for:

160W maximum turbo power means real performance depends entirely on the laptop's cooling — two machines with this chip can behave very differently.
No Hyper-Threading: 24 threads from 24 cores, against 32 threads on the previous generation's i9-14900HX.

21 months on the market

Regret riskLOWlimited data

Main risks

160W maximum turbo power means real performance depends entirely on the laptop's cooling — two machines with this chip can behave very differently.
No Hyper-Threading: 24 threads from 24 cores, against 32 threads on the previous generation's i9-14900HX.
NPU is limited compared to the Core Ultra 200V and Ryzen AI parts, so it misses the Copilot+ AI threshold.
Soldered BGA package: not upgradable, and its power draw hurts battery life away from the wall.

The risk level is computed from the release date and verified weaknesses. The confidence score appears only once enough owner reports exist.

Alternatives

Intel Core Ultra 9 290HX PlusnewerCompare

Google Tensor G6newer

This box relies only on verified specs, the release date and editorial assessment; owner reports join them as they come in. We do not predict prices.

Core Structure

How many cores does the processor have?

Manufacturer's official core and architecture information.

CORE STRUCTURE

The structure decisive in multi-core tasks.

24 Core

24 Core — Total Cores · 24 Thread — Concurrent Threads · 8 Performance — High-performance core · 16 Efficiency — Low-power core · Lion Cove / Skymont — Core architecture

24 Core24 Thread8 Performance16 EfficiencyLion Cove / Skymont

24 CoreTotal Cores

24 ThreadConcurrent Threads

8 PerformanceHigh-performance core

16 EfficiencyLow-power core

Lion Cove / SkymontCore architecture

Frequency

How fast does it work?

Manufacturer's official frequency values.

FREQUENCY

Value that determines single-core performance.

5.4 GHz Boost

5.4 GHz — Maximum boost frequency · 2.7 GHz — Base frequency

5.4 GHz2.7 GHz

5.4 GHzMaximum boost frequency

2.7 GHzBase frequency

Power and Cooling

How much power does it draw?

Official power values that determine cooling needs.

POWER AND COOLING

These values determine the cooling budget.

55 W TDP

55 W — Base Power Consumption (TDP) · 160 W — Maximum turbo power

55 W160 W

55 WBase Power Consumption (TDP)

160 WMaximum turbo power

Who Is It For?

Where does it stand out?

A usage guide built from the specs and the editors' tags; not a test result.

Gaming

For gaming; tagged from the display's refresh rate and the chip's class. We have not measured frame rates or heat ourselves.

Good fit

Content Creation

For creators who need professional video formats and fast transfer.

Good fit

Work / Productivity

For heavy work use; tagged from the battery and display specs. We have not timed the battery ourselves.

Good fit

Editorial Analysis

Strengths and points to consider

The Kacbu editors' assessment of the specifications the maker publishes. We do not test devices ourselves, so nothing here is a measured result. Anything taken from an independent review is shown with its publication and date in the Press section.

Strengths based on the specs

24 cores (8 performance + 16 efficiency) is desktop core count in a laptop package.

5.4 GHz maximum turbo is the highest clock in any mobile chip of its generation.

36 MB of L3 cache and DDR5-6400 support keep heavy multi-threaded work fed.

Built on a 3nm process, a full node ahead of the Raptor Lake HX chips it replaces.

PCIe 5.0 lanes allow full-speed discrete graphics and Gen5 storage in the same machine.

Things to consider

160W maximum turbo power means real performance depends entirely on the laptop's cooling — two machines with this chip can behave very differently.

No Hyper-Threading: 24 threads from 24 cores, against 32 threads on the previous generation's i9-14900HX.

NPU is limited compared to the Core Ultra 200V and Ryzen AI parts, so it misses the Copilot+ AI threshold.

Soldered BGA package: not upgradable, and its power draw hurts battery life away from the wall.

Historical Product Info

Official launch details

Instead of tracking today's retail price, Kacbu keeps the product's official launch information as a reference.

AnnouncedJanuary 6, 2025

The manufacturer's official announcement date.

ReleaseJanuary 13, 2025

The start of the initial sales period.

Design🇺🇸 United States

Manufacturing🇺🇸 United States, 🇹🇼 Taiwan

Intel designs Arrow Lake in the US. Production is split: the compute tile is fabricated at TSMC in Taiwan, while Intel's own fabs handle other tiles and final packaging.

This is not the current retail price — it shows the product's historical, official launch information.

Specifications

Intel Core Ultra 9 275HX specifications

Click a linked value to see other products that share that same spec, and leave a comment on that spec.

General

Family

Arrow Lake-HX (Core Ultra 200HX)

Segment

Laptop Flagship

Release Year

2025

Manufacturer

Intel

Core Structure

Cores

Threads

Core Architecture

Lion Cove / Skymont

Efficiency Core

Performance Core

Frequency

Base Frequency

2.7 GHz

Boost Clock

5.4 GHz

Cache

L2 cache

40 MB

L3 Cache

36 MB

Memory

Maximum Memory

256 GB

Memory Type

DDR5-6400

Memory Channel

Graphics Unit

Integrated Graphics

Intel Arc Graphics (4 Xe cores)

Power

TDP

55 W

Maximum Turbo Power

160 W

Platform

Socket

BGA (soldered)

Manufacturing Process

TSMC 3nm

Lithography

3 nm

PCIe Version

PCIe 5.0

FAQ

The most common questions about this product

What the numbers on the spec sheet actually mean in day-to-day use.

Why do two laptops with this same chip perform differently?

Because the 55W base and 160W turbo figures are a range, not a promise. A thick gaming chassis with a vapour chamber can hold high power for minutes; a thin one throttles back within seconds. On laptops, the cooling system is part of the processor's real specification — which is why we record each laptop's actual power limits alongside the chip.

Is losing Hyper-Threading a problem?

Rarely in practice. Intel's own data showed the new performance cores gain more from single-thread speed than from a second thread, and the 16 efficiency cores handle the parallel work. Total thread count dropped from 32 to 24, but per-core performance rose enough that most workloads come out ahead.

Is it a Copilot+ AI PC chip?

No. Its NPU falls short of the 40 TOPS Microsoft requires for Copilot+ features. If on-device AI matters to you, the Ryzen AI 300 series and Intel's own Core Ultra 200V line are the chips built for that; the 275HX is built for raw CPU and GPU throughput instead.