Intel Core i5-14450HX specifications and in-depth review

Intel Core i5-14450HX

Manufacturer: Intel

The Intel Core i5-14450HX is a laptop processor built on a 10nm process, designed around a hybrid core architecture that uses big.LITTLE technology to split workloads across two core tiers — 6 performance cores at 2.4GHz and 4 efficiency cores at 1.8GHz. With a turbo clock speed reaching 4.8GHz and a 55W TDP, it targets mobile systems that need a balance between sustained multi-core output and manageable thermal output. An integrated UHD Graphics 710 handles display tasks, and PCIe 5.0 connectivity supports current-generation storage and peripheral hardware.

On the memory side, the i5-14450HX supports DDR5 at up to 5600MHz across two channels, with a peak bandwidth of 89.6GB/s and a maximum capacity of 192GB including ECC support. The processor carries 20MB of L3 cache and exposes 16 threads across its 10-core layout. The integrated UHD Graphics 710 features 16 execution units with a turbo frequency of 1500MHz, supports up to four displays, and is compatible with OpenGL 4.6 and OpenCL 3. The full instruction set includes AVX2, AES, FMA3, F16C, and related extensions, alongside multithreading and NX bit support.

Pros
  • DDR5 memory support at up to 5600MHz with 89.6GB/s bandwidth delivers a fast memory subsystem for a laptop platform
  • ECC memory compatibility adds a reliability layer that is relatively uncommon in mobile processors
  • PCIe 5.0 support accommodates current-generation high-bandwidth storage and expansion devices
  • The 20MB L3 cache provides a reasonable data buffer across the 10-core layout
  • Up to 192GB of addressable RAM offers substantial capacity headroom for memory-intensive mobile workloads
Cons
  • The integrated UHD Graphics 710 has only 16 execution units and a 1500MHz turbo, limiting it to basic display tasks and light graphical use
  • The locked multiplier removes manual clock speed tuning as an option
  • At 10 cores and 16 threads, the processor has limited parallelism for demanding multi-threaded laptop workloads
  • Only PassMark results are available in the benchmark data, leaving single-core and Geekbench performance unconfirmed from the provided specs
Who is this for?

The i5-14450HX is a practical fit for laptop users who need a mobile workstation capable of handling moderately demanding multithreaded workloads without pushing into high-core-count territory. Its support for DDR5 at up to 5600MHz, ECC memory, and up to 192GB of RAM makes it well-suited for reliability-conscious mobile deployments such as field workstations, technical laptops, or professional environments where memory integrity matters alongside everyday performance. The PCIe 5.0 platform support also ensures compatibility with fast storage solutions for users who move large amounts of data regularly.

Who is this NOT for?

Users who rely on the laptop's integrated graphics for anything beyond basic display output will find the UHD Graphics 710 with 16 execution units clearly limiting, as it lacks the capacity for GPU-accelerated workloads or graphically intensive applications. Those who need sustained heavy parallel processing — such as large-scale compilation, video encoding, or scientific computation — will also run into the constraints of a 10-core, 16-thread mobile configuration at a 55W envelope. Additionally, users who prefer manual frequency tuning will find no path forward here, as the locked multiplier closes off that option entirely.

General info:

Type Laptop
Has integrated graphics
Thermal Design Power (TDP) 55W
semiconductor size 10 nm
CPU temperature 100 °C
PCI Express (PCIe) version 5
Supports 64-bit

The Intel Core i5-14450HX is a laptop processor built on a 10nm semiconductor process with a 55W TDP and a maximum operating temperature of 100°C. It includes integrated graphics, supports 64-bit computing, and is equipped with PCIe 5.0 for high-bandwidth connectivity with modern storage and expansion components.

Performance:

CPU speed 6 x 2.4 & 4 x 1.8 GHz
CPU threads 16 threads
turbo clock speed 4.8GHz
Has an unlocked multiplier
L3 cache 20 MB
Uses big.LITTLE technology
clock multiplier 24

The i5-14450HX uses big.LITTLE technology across its 10 cores, pairing 6 performance cores at 2.4GHz with 4 efficiency cores at 1.8GHz, with a turbo clock speed of 4.8GHz available under load. The chip supports 16 threads in total and carries 20MB of L3 cache to support data-intensive tasks. The clock multiplier is set at 24 and is locked, meaning manual frequency adjustments through that mechanism are not available.

Benchmarks:

PassMark result 24142
PassMark result (single) 3747

The i5-14450HX recorded a PassMark multi-core score of 24142 and a single-core result of 3747, providing a baseline measure of both parallel throughput and individual thread performance within its 10-core, 55W mobile configuration.

Integrated graphics:

GPU name UHD Graphics 710
GPU turbo 1500 MHz
GPU execution units 16
supported displays 4
OpenGL version 4.6
OpenCL version 3

The integrated UHD Graphics 710 features 16 execution units and a turbo frequency of 1500MHz, with support for up to four simultaneous displays. It is compatible with OpenGL 4.6 and OpenCL 3, covering the core API requirements for general-purpose integrated graphics use in a mobile platform.

Memory:

RAM speed (max) 5600 MHz
maximum memory bandwidth 89.6 GB/s
DDR memory version 5
memory channels 2
maximum memory amount 192GB
Supports ECC memory

The i5-14450HX supports DDR5 memory at speeds up to 5600MHz across two channels, delivering a maximum bandwidth of 89.6GB/s and accommodating up to 192GB of RAM. ECC memory is also supported, which broadens the platform's suitability for workloads where data integrity is a practical concern.

Features:

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

The i5-14450HX supports multithreading and includes the NX bit for hardware-enforced memory protection. Its instruction set coverage spans MMX, SSE 4.1, SSE 4.2, AVX, AVX2, FMA3, F16C, and AES, supporting a broad range of vectorized, floating-point, and cryptographic operations that compatible software can leverage directly at the hardware level.

Final Verdict

The Intel Core i5-14450HX is a focused mobile processor that earns its place in professional laptop configurations where DDR5 memory reliability, ECC support, and PCIe 5.0 connectivity matter more than raw multi-core dominance or graphical capability. Its hybrid core design and 20MB L3 cache handle moderate multithreaded workloads capably within a 55W envelope, while the platform's memory headroom of up to 192GB positions it well for data-intensive mobile use cases. Users who stay within that scope will find it a coherent and dependable processor — though those expecting discrete-level graphics performance or the freedom to overclock should look elsewhere. For its intended role as a capable and reliable mobile workstation chip, the i5-14450HX delivers where it matters most.

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