Intel Core Ultra 5 245HX

Name: Intel Core Ultra 5 245HX
Brand: Intel
SKU: 4618

Manufacturer: Intel

The Intel Core Ultra 5 245HX is a laptop processor designed for systems requiring a balance of multi-core throughput and responsive single-core performance. Built on a 3 nm semiconductor process, it uses big.LITTLE architecture to combine six higher-performance cores running at 3.1 GHz with eight efficiency-oriented cores at 2.6 GHz, all housed in a BGA 2114 socket. The chip supports 64-bit operation and includes an unlocked multiplier, giving system builders additional tuning flexibility.

From a technical standpoint, the 245HX carries a 55W Thermal Design Power and can sustain a turbo frequency of up to 5.1 GHz across its 14 threads, backed by 26 MB of L2 cache. It supports DDR5 memory at speeds up to 6400 MHz across two channels, with a maximum capacity of 192 GB and optional ECC support. The integrated graphics unit operates between 300 MHz and a turbo of 1900 MHz, supports up to four displays, and is compatible with DirectX 12, OpenGL 4.5, and OpenCL 3. Connectivity is handled through PCIe 5, and the processor includes instruction set extensions such as AVX2, AES, FMA3, and SSE 4.2, among others.

Pros

Supports up to 192 GB of DDR5 memory with ECC capability, making it suitable for memory-intensive and reliability-focused workloads
The unlocked multiplier provides flexibility for frequency tuning beyond default clock settings
PCIe 5 support enables compatibility with the latest high-bandwidth storage and peripheral devices
The integrated GPU can drive up to four displays simultaneously with turbo speeds reaching 1900 MHz
A 26 MB L2 cache helps reduce latency across the 14-thread core configuration
ECC memory support adds a layer of data integrity useful in professional or compute-heavy environments

Cons

With a 55W TDP, sustained performance may be constrained in thin laptop chassis with limited thermal headroom
The base GPU clock of 300 MHz is low, and integrated graphics performance will be limited under sustained graphical loads
Only two memory channels are available, which may limit memory bandwidth in highly parallel workloads
The BGA 2114 socket is soldered, meaning the processor cannot be replaced or upgraded after installation

Who is this for?

This processor is well-suited for professional laptop users who need to handle memory-intensive and multi-threaded workloads, such as data processing, engineering applications, or virtualization, particularly given its support for up to 192 GB of DDR5 memory with ECC. The combination of big.LITTLE core architecture and a turbo frequency of 5.1 GHz also makes it a reasonable fit for users who switch between sustained parallel tasks and latency-sensitive single-threaded operations. Additionally, the ability to drive up to four displays through the integrated GPU makes it practical for productivity-focused setups requiring extended screen real estate without a discrete graphics card.

Who is this NOT for?

Users looking to run graphically demanding applications — such as 3D rendering, high-resolution gaming, or video editing with GPU acceleration — are likely to find the integrated graphics insufficient, given its low base clock and the inherent limitations of a shared-memory GPU solution. The BGA 2114 soldered socket also makes this a poor fit for anyone who expects to upgrade or swap out the processor after purchase, as the chip is permanently fixed to the motherboard. Furthermore, users deploying this chip in slim or thermally constrained laptop designs may find that the 55W TDP creates challenges in maintaining peak clock speeds over extended workloads.

General info:

Type	Laptop
CPU socket	BGA 2114
Has integrated graphics	✓
Thermal Design Power (TDP)	55W
semiconductor size	3 nm
CPU temperature	105 °C
PCI Express (PCIe) version	5
Supports 64-bit	✓

The Intel Core Ultra 5 245HX is a laptop-class processor fitted in a BGA 2114 socket, built on a 3 nm semiconductor process and rated at a 55W Thermal Design Power. It includes integrated graphics and fully supports 64-bit operation. The chip connects to the platform via PCIe 5, has a maximum operating temperature of 105 °C, and is designed to handle the thermal and power demands typical of high-performance mobile computing environments.

Performance:

CPU speed	6 x 3.1 & 8 x 2.6 GHz
CPU threads	14 threads
turbo clock speed	5.1GHz
Has an unlocked multiplier	✓
L2 cache	26 MB
Uses big.LITTLE technology	✓
clock multiplier	31
Turbo Boost version	2

The processor uses big.LITTLE technology to combine six cores running at 3.1 GHz with eight cores at 2.6 GHz, totaling 14 threads across the two clusters. With Turbo Boost version 2, clock speeds can reach up to 5.1 GHz under load, aided by a clock multiplier of 31 and an unlocked multiplier that allows for additional frequency adjustments. To support sustained throughput across these cores, the chip is equipped with 26 MB of L2 cache, helping to reduce latency for frequently accessed data.

Benchmarks:

PassMark result	40059
PassMark result (single)	4530

In PassMark testing, the processor achieves a multi-threaded score of 40,059, reflecting the combined output of its core configuration under parallel workloads. Its single-threaded PassMark result of 4,530 indicates the per-core performance available for tasks that rely on sequential execution rather than multi-core scaling.

Integrated graphics:

GPU clock speed	300 MHz
GPU turbo	1900 MHz
DirectX version	DirectX 12
supported displays	4
OpenGL version	4.5
OpenCL version	3

The integrated graphics unit has a base clock of 300 MHz and can boost up to 1900 MHz under load, with support for up to four displays simultaneously. On the API side, it is compatible with DirectX 12, OpenGL 4.5, and OpenCL 3, covering a range of rendering and compute workloads handled directly by the integrated solution.

Memory:

RAM speed (max)	6400 MHz
DDR memory version	5
memory channels	2
maximum memory amount	192GB
Supports ECC memory	✓

The processor supports DDR5 memory across two channels, with a maximum rated speed of 6400 MHz and a ceiling of 192 GB total installed memory. ECC memory is also supported, providing the option for error-correcting configurations in workloads where data integrity is a priority.

Features:

instruction sets	F16C, MMX, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2
Has NX bit	✓

The processor includes a broad set of instruction set extensions: F16C, MMX, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, covering vectorized math, encryption acceleration, and packed data operations across a range of software workloads. It also features the NX bit, which enables hardware-level memory protection to help prevent certain classes of malicious code execution.

Final Verdict

The Intel Core Ultra 5 245HX is a technically well-equipped laptop processor that targets professional and productivity-oriented users who demand both multi-threaded capacity and DDR5 memory headroom. Its support for up to 192 GB of ECC DDR5 memory alongside a 14-thread big.LITTLE core layout positions it firmly in workstation-class mobile territory, while the turbo frequency of 5.1 GHz and PCIe 5 connectivity ensure it remains capable across demanding software environments. That said, the soldered BGA socket and integrated-only graphics mean it is best evaluated as a fixed, productivity-first platform rather than a flexible or graphics-capable one. For users whose workloads align with its strengths — parallel computation, large memory footprints, and multi-display productivity — it represents a cohesive and well-specified mobile CPU solution.