Intel® Core™ Ultra 5 245HX

The Intel Core Ultra 5 245HX is a mobile processor with a hybrid 14-core layout (6 performance cores + 8 efficiency cores) and 14 threads, built on the Arrow Lake architecture. It launched in Jan 2025. Clocks run from 3.1 GHz base to 5.1 GHz boost. A 24-MB L3 cache backs the cores (3.7 MB per core). It addresses DDR5 memory up to 256 GB across 2 channels. The chip drops into the FCBGA2114 socket and exposes PCIe 5.0 (24 lanes). Rated TDP is 55 W. Notable platform capabilities: Gaussian Neural Accelerator, Extended Page Tables (EPT), Control-flow Enforcement (CET).

The Intel Core Ultra 5 245HX scores 4,589 in single-core performance and 40,289 in multi-core performance (PassMark CPU Mark ratings). From those two ratings Feex computes 13,597 for overall performance, 32,612 for productivity performance, 30,419 for creator performance, 45,073 for engineering performance and 23,839 for gaming performance. Its multi-core throughput works out to 2,878 per core, 2,878 per thread and 733 per watt. Its computed efficiency index is 1,834. Its performance index is 169, so its overall performance is 69% above the Intel Core i5-12400 (index 100). Each bar shows the score as a share of a reference ceiling, which is the larger of the 99th-percentile score across the Feex CPU database and a fixed baseline.

Scores for individual PassMark CPU Mark test categories. Higher is better. These are measured test scores, not computed from the single-core and multi-core ratings.

In the individual workload tests the Intel Core Ultra 5 245HX scores 92,150 in integer math, 120,735 in floating-point math, 393,071 in compression, 30,022 in cryptography, 2,526 in physics simulation, 31,212 in vector SIMD, 359 in the prime sieve and 47,616 in sorting. Higher is better. Compared with the Intel Core i5-12400, it is 56% above in integer math, 163% above in floating-point math, 72% above in compression, 161% above in cryptography, 132% above in physics simulation, 101% above in vector SIMD, 436% above in the prime sieve and 110% above in sorting. Each bar shows the score as a share of that workload's reference ceiling, the larger of the 99th-percentile score across CPUs with a recorded value and a fixed baseline.

The Intel Core Ultra 5 245HX has 14 physical cores and runs 14 logical threads. It uses a hybrid layout of 6 performance cores and 8 efficiency cores. It does not support simultaneous multithreading, so its thread count equals its core count. It runs at a base clock of 3.10 GHz and boosts up to 5.10 GHz.

The Intel Core Ultra 5 245HX is a mobile processor, belongs to the Intel Core Ultra 5 family, uses the Arrow Lake architecture, carries the codename Arrow Lake and is manufactured on a 3 nm process. It launched in Jan 2025.

The Intel Core Ultra 5 245HX has 1.41 MB of L1 cache, 26 MB of L2 cache and 24 MB of L3 cache. That adds up to about 51.4 MB of cache, or 3.67 MB per core.

The Intel Core Ultra 5 245HX has a 3-level cache hierarchy: L1 at 1.4 MB, L2 at 26 MB and L3 at 24 MB. L2 is the largest level and makes up about 51% of the cache listed here.

The Intel Core Ultra 5 245HX supports DDR5 memory, addresses up to 256 GB of memory, uses 2 memory channels, runs memory at up to 7,200 MT/s and delivers up to 115.2 GB/s of memory bandwidth. It does not support DDR4 and LPDDR memory. It supports ECC memory.

The Intel Core Ultra 5 245HX includes integrated graphics (Intel Graphics) and clocks the graphics up to 1.90 GHz.

The Intel Core Ultra 5 245HX uses the FCBGA2114 socket, supports PCI Express 5.0 and provides up to 24 PCIe lanes.

The Intel Core Ultra 5 245HX has a rated TDP of 55 W.

Instruction sets, security, virtualization, AI acceleration and OS readiness. Features are listed as supported, explicitly not supported, or not recorded; a feature that is not recorded is not the same as unsupported.

The Intel Core Ultra 5 245HX is also identified by the model number 245HX and the processor number 245HX.

Feex has recorded 67% of the specifications it tracks for the Intel Core Ultra 5 245HX. Values Feex does not hold are shown as "Not recorded" rather than estimated.

Not recorded: Core Configuration: All-Core Boost and Unlocked Multiplier. Architecture & Generation: ISA Family and Market Status. Cache: L2 Cache (per Core) and L4 Cache. Graphics: Execution Units, Display Outputs and Max Video Memory. Platform & Compatibility: Package and Package Size. Power & Thermals: Base Power, Maximum Turbo Power, Configurable TDP (Min), Configurable TDP (Max), Max Junction Temperature and Tcase. Physical & Manufacturing: Transistor Count, Die Size, Die Count, Foundry and Launch Price. Naming & Aliases: SKU and Part Number.

Processors that use the same FCBGA2114 socket as the Intel Core Ultra 5 245HX and have the closest multi-core scores in the Feex database include Intel Core Ultra 5 235HX, Intel Core Ultra 7 251HX, Intel Core Ultra 7 265HX, Intel Core Ultra 7 270HX+ and Intel Core Ultra 7 255HX.