Intel Core i5-14450HX vs Intel Core Ultra 5 225T Comparison

The Verdict

The benchmark data splits these two processors into distinct roles. The Intel Core i5-14450HX is a mobile chip built for threaded productivity, while the Intel Core Ultra 5 225T is a desktop chip with a newer architecture and stronger single-core performance. The Core Ultra 5 225T wins 14 of the 17 head-to-head benchmarks, including every Cinebench test and most PassMark tests. The Core i5-14450HX wins only 3, but its victories are decisive in specific workloads.

For users prioritizing raw multi-threaded integer work, data compression, or random string sorting, the Core i5-14450HX delivers. It beats the Core Ultra 5 225T by 19% in data compression and by 31.6% in integer math. However, the Core Ultra 5 225T dominates everywhere else, with particularly large margins in prime number finding (65.5% faster), floating-point math (29.9% faster), and physics (28.2% faster). The Core Ultra 5 225T also wins every single-core test, from Cinebench R15 (312 vs 285) to PassMark single-thread (4348 vs 3643).

Both CPUs sit at the 82nd percentile against all CPUs in the database, so overall tier placement is identical. The average benchmark score for the Core i5-14450HX is 32040, while the Core Ultra 5 225T scores 30468, meaning the mobile chip has a slightly higher aggregate average despite losing most head-to-head matchups. This discrepancy reflects the Core i5-14450HX's overwhelming wins in integer math and compression, which skew its average upward.

The choice depends on workload. The Core Ultra 5 225T is the better all-around desktop processor for single-threaded responsiveness, floating-point calculations, and encryption. The Core i5-14450HX is the specialist for compression and integer-heavy tasks, and it comes from a mobile platform with lower power requirements. Neither chip is a clear overall winner; the data shows two different optimizations.

Architecture Differences

The two processors come from different Intel generations and foundries. The Core i5-14450HX uses Raptor Lake architecture, specifically the Raptor Lake-HX refresh, built on Intel's 10 nm process with a die size of 257 mm². The Core Ultra 5 225T uses Arrow Lake architecture, specifically Arrow Lake-S, built on TSMC's 3 nm process with a die size of 243 mm² and 17,800 million transistors.

Both have 10 cores and 20 MB of shared L3 cache, but the core organization differs. The Core i5-14450HX supports 16 threads through hyperthreading, while the Core Ultra 5 225T has 10 threads with no hyperthreading. The Core Ultra 5 225T provides larger per-core caches: 192 KB L1 per core versus 80 KB, and 3 MB L2 per core versus 2 MB. The larger L2 cache likely contributes to its single-core and floating-point advantages.

The Core i5-14450HX supports DDR4 and DDR5 memory, while the Core Ultra 5 225T supports only DDR5. Both use dual-channel memory buses, but the Core Ultra 5 225T has a recorded memory bandwidth of 102.4 GB/s. The Core i5-14450HX supports ECC memory; the Core Ultra 5 225T does not.

PCIe connectivity differs as well. The Core i5-14450HX offers Gen 5 with 16 lanes (CPU only), while the Core Ultra 5 225T offers Gen 5 with 20 lanes (CPU only). The integrated graphics also differ: the Core i5-14450HX uses UHD Graphics 710, while the Core Ultra 5 225T uses Arc Xe-LPG Graphics 16EU.

The Core i5-14450HX is an unlocked multiplier processor on Intel BGA 1964, targeting mobile systems. The Core Ultra 5 225T is locked, uses Intel Socket 1851, and targets desktop systems. The Core i5-14450HX has a base clock of 2.40 GHz and boost clock of 4.80 GHz, while the Core Ultra 5 225T has a base clock of 2.50 GHz and boost clock of 4.90 GHz. The Core Ultra 5 225T also has a higher TDP at 65 watts versus 55 watts. Release dates are close: the Core i5-14450HX launched January 7, 2024, and the Core Ultra 5 225T launched December 31, 2024.

FAQ

Q: Which processor has more threads?

A: The Intel Core i5-14450HX has 16 threads from 10 cores, while the Intel Core Ultra 5 225T has 10 threads from 10 cores. The Core i5-14450HX uses hyperthreading; the Core Ultra 5 225T does not.

Q: Does the Core Ultra 5 225T support DDR4 memory?

A: No. The Core Ultra 5 225T supports only DDR5, while the Core i5-14450HX supports both DDR4 and DDR5.

Q: Which processor has a smaller manufacturing process?

A: The Core Ultra 5 225T uses a 3 nm process from TSMC, while the Core i5-14450HX uses a 10 nm process from Intel.

Q: Which processor wins in Cinebench R23 multicore?

A: The Core Ultra 5 225T scores 21971 versus the Core i5-14450HX's 20108, a delta of 8.5% in favor of the Core Ultra 5 225T.

Q: Are both processors in the same performance percentile?

A: Yes, both are at the 82nd percentile against all CPUs in the database.

Q: Can the Core i5-14450HX be overclocked?

A: The multiplier is unlocked on the Core i5-14450HX. The Core Ultra 5 225T has a locked multiplier.

Specification Differences

| Specification | Intel Core i5-14450HX | Intel Core Ultra 5 225T |

|---|---|---|

| Series | Core 14th Gen | Core Ultra Series 2 |

| Architecture | Raptor Lake | Arrow Lake |

| Codename | Raptor Lake-HX | Arrow Lake-S |

| Process Node | 10 nm | 3 nm |

| Foundry | Intel | TSMC |

| Transistors | Not specified | 17,800 million |

| Die Size | 257 mm² | 243 mm² |

| Threads | 16 | 10 |

| Base Clock | 2.40 GHz | 2.50 GHz |

| Boost Clock | 4.80 GHz | 4.90 GHz |

| TDP | 55 W | 65 W |

| Socket | Intel BGA 1964 | Intel Socket 1851 |

| L1 Cache | 80 KB (per core) | 192 KB (per core) |

| L2 Cache | 2 MB (per core) | 3 MB (per core) |

| L3 Cache | 20 MB (shared) | 20 MB (shared) |

| Memory Support | DDR4, DDR5 | DDR5 |

| Memory Bandwidth | Not specified | 102.4 GB/s |

| ECC Memory | Yes | No |

| PCIe | Gen 5, 16 Lanes (CPU only) | Gen 5, 20 Lanes (CPU only) |

| Integrated Graphics | UHD Graphics 710 | Arc Xe-LPG Graphics 16EU |

| Market Segment | Mobile | Desktop |

| Multiplier Unlocked | Yes | No |

| Release Date | 2024-01-07 | 2024-12-31 |

Head-to-Head Benchmarks

The Core Ultra 5 225T sweeps the Cinebench suite. In Cinebench R15 multicore, it scores 2214 versus 2026, an 8.5% advantage. In R15 single-core, it scores 312 versus 285, an 8.7% advantage. The R20 multicore test shows 9227 versus 8445, again 8.5% ahead. R20 single-core shows 1302 versus 1191, also 8.5%. R23 multicore shows 21971 versus 20108, and R23 single-core shows 3101 versus 2838, both at 8.5% deltas. Every Cinebench test favors the Core Ultra 5 225T by roughly the same margin, indicating a consistent architectural advantage.

The PassMark suite reveals a more mixed picture. The Core i5-14450HX wins data compression by a wide margin: 278538 versus 233998, a 19% delta. It also wins integer math by 31.6%, scoring 78330 versus 59543. The Core i5-14450HX edges out the Core Ultra 5 225T in random string sorting (29565 versus 28774, a 2.7% delta).

The Core Ultra 5 225T dominates the remaining PassMark tests. Data encryption goes to the Core Ultra 5 225T at 18289 versus 15574, a 14.8% delta. Extended instructions show 20083 versus 17207, a 14.3% delta. The largest single margin is in prime number finding: 284 versus 98, a 65.5% delta in favor of the Core Ultra 5 225T. Floating-point math scores 82751 versus 58037, a 29.9% delta. Physics scores 2053 versus 1475, a 28.2% delta. Multithread scores 25358 versus 23680, a 6.6% delta. Single-thread scores 4348 versus 3643, a 16.2% delta.

The win count is lopsided: the Core Ultra 5 225T wins 14 benchmarks, the Core i5-14450HX wins 3. However, the Core i5-14450HX's wins include the two largest positive deltas in the entire comparison (31.6% in integer math and 19% in compression), which explains its higher average benchmark score of 32040 versus 30468.

Where Each One Wins

The Core Ultra 5 225T is the pick for single-threaded performance. It wins every single-core benchmark, from Cinebench R15 (312 vs 285) to PassMark single-thread (4348 vs 3643). This makes it the better choice for applications that rely on one or two fast cores, such as everyday desktop responsiveness, light productivity, and legacy software that does not scale across cores. Its floating-point math advantage (82751 versus 58037, a 29.9% delta) also makes it suitable for scientific calculations, rendering, and any workload that stresses FPU throughput.

The Core Ultra 5 225T also excels in encryption (18289 versus 15574, a 14.8% delta) and extended instructions (20083 versus 17207, a 14.3% delta). These wins indicate stronger cryptographic throughput and better support for modern instruction sets. The physics test (2053 versus 1475, a 28.2% delta) suggests it handles simulation and physics calculations more effectively. The prime number finding result (284 versus 98, a 65.5% delta) is the largest margin in the entire comparison, pointing to a major advantage in integer-heavy algorithmic work despite losing the broader integer math test.

The Core i5-14450HX wins in data compression by 19% (278538 versus 233998). This is a clear signal for file archiving, backup tools, and database workloads that compress data on the fly. Its integer math win is even larger at 31.6% (78330 versus 59543), meaning raw integer arithmetic operations run substantially faster. The random string sorting win (29565 versus 28774, a 2.7% delta) is narrow but consistent with a pattern of strength in data manipulation tasks.

The Core i5-14450HX also offers advantages outside raw benchmarks. It supports ECC memory, which the Core Ultra 5 225T does not, making it suitable for memory-sensitive workloads. It supports both DDR4 and DDR5, giving platform flexibility. Its lower TDP of 55 watts versus 65 watts makes it a better fit for thermally constrained mobile systems. The unlocked multiplier on the Core i5-14450HX provides overclocking headroom that the locked Core Ultra 5 225T lacks.

The Core Ultra 5 225T counters with a newer 3 nm process, larger per-core caches, higher clocks (4.90 GHz versus 4.80 GHz boost), and more PCIe lanes (20 versus 16). Its desktop socket and 65 watt TDP suggest sustained performance in a full-size chassis, while the Core i5-14450HX is designed for laptops with BGA packaging. The data shows the Core Ultra 5 225T as the superior general-purpose desktop processor, with the Core i5-14450HX retaining a specialist role in compression and integer-heavy mobile workloads.