Intel Core i5-14450HX vs Intel Core Ultra 9 285 Comparison

Head-to-Head Benchmarks

The benchmark data records a decisive victory for the Intel Core Ultra 9 285 across every single test in the comparison. The database shows 17 wins for the Core Ultra 9 285 and zero wins for the Intel Core i5-14450HX. The margins are substantial in nearly every workload category, with the smallest gap appearing in single-threaded tests.

Starting with Cinebench results, the Core Ultra 9 285 delivers 4933 in Cinebench R15 multi-core against 2026 for the i5-14450HX, a delta of -58.9% from the perspective of the i5. The single-core R15 test shows 696 versus 285, also a -58.9% delta. The pattern holds in Cinebench R20, where the Core Ultra 9 285 scores 20556 multi-core and 2901 single-core, while the i5-14450HX manages 8445 and 1191 respectively. Cinebench R23 continues the trend: the Core Ultra 9 285 reaches 48945 multi-core and 6909 single-core, compared with 20108 and 2838 for the i5-14450HX. Every Cinebench delta sits at -58.9%, indicating a consistent performance ratio across rendering workloads.

PassMark tests reveal similar dominance. The largest percentage gap appears in prime number finding, where the Core Ultra 9 285 scores 459 versus 98, a -78.6% delta. Floating point math shows the Core Ultra 9 285 at 194988 against 58037, a -70.2% delta. Data encryption shows 46949 versus 15574, a -66.8% delta. Extended instructions test at 45357 versus 17207, a -62.1% delta. Random string sorting delivers 73651 versus 29565, a -59.9% delta. Multithread performance records 56602 versus 23680, a -58.2% delta. Physics tests show 3598 versus 1475, a -59% delta. Data compression reaches 602121 versus 278538, a -53.7% delta. Integer math delivers 164869 versus 78330, a -52.5% delta.

The closest contest appears in PassMark single-thread tests, where the Core Ultra 9 285 scores 4881 versus 3643 for the i5-14450HX, a -25.4% delta. While still a clear win for the Core Ultra 9 285, this smaller margin suggests the i5-14450HX is comparatively more competitive in lightly threaded tasks than in heavily parallel workloads.

The average benchmark score in the database confirms the hierarchy: the Core Ultra 9 285 averages 75488, placing it in the 95th percentile of all CPUs, while the i5-14450HX averages 32040, sitting in the 82nd percentile. The nearest rivals for the Core Ultra 9 285 include the AMD EPYC 8224P at 75582 (-0.1% delta), the AMD EPYC 4545P at 75373 (+0.2% delta), the AMD Ryzen 7 PRO 9755X3D at 75716 (-0.3% delta), and the AMD Ryzen 7 PRO 9755 at 75738 (-0.3% delta). These extremely tight deltas indicate the Core Ultra 9 285 sits at the top of a very dense cluster of high-performance processors. Meanwhile, the i5-14450HX is bracketed by the Intel Core i7-13705H at 32076 (-0.1% delta), the Intel Core i5-14400 at 32115 (-0.2% delta), the Intel Core i7-12800H at 32121 (-0.3% delta), and the Intel Core i9-11900 at 32226 (-0.6% delta).

Architecture Differences

The two processors come from fundamentally different design lineages. The Intel Core i5-14450HX belongs to the Core 14th Gen series, built on Raptor Lake architecture with the Raptor Lake-HX codename. It uses a 10 nm process node fabricated by Intel. The Intel Core Ultra 9 285 belongs to the Core Ultra Series 2, built on Arrow Lake architecture with the Arrow Lake-S codename. It uses a 3 nm process node fabricated by TSMC. The database records 17,800 million transistors for the Core Ultra 9 285, while the i5-14450HX has no transistor count listed. Die sizes are similar: 257 mm² for the i5-14450HX and 243 mm² for the Core Ultra 9 285.

Core and thread counts differ substantially. The i5-14450HX offers 10 cores and 16 threads, while the Core Ultra 9 285 offers 24 cores and 24 threads. The Core Ultra 9 285 has no hyper-threading, matching thread count to core count, while the i5-14450HX uses hyper-threading to reach 16 threads from 10 cores. Base clocks are close: 2.40 GHz for the i5-14450HX versus 2.50 GHz for the Core Ultra 9 285. Boost clocks show a larger gap: 4.80 GHz versus 5.60 GHz.

Cache hierarchies differ across every level. The i5-14450HX has 80 KB L1 per core, 2 MB L2 per core, and 20 MB shared L3. The Core Ultra 9 285 has 192 KB L1 per core, 3 MB L2 per core, and 36 MB shared L3. The larger per-core caches and total L3 give the Core Ultra 9 285 a structural advantage in data reuse.

Memory support diverges as well. The i5-14450HX supports both DDR4 and DDR5, while the Core Ultra 9 285 supports only DDR5. Both use dual-channel memory buses. The Core Ultra 9 285 records a memory bandwidth of 102.4 GB/s, while no bandwidth figure appears for the i5-14450HX. Both support ECC memory.

PCIe capabilities differ: the i5-14450HX provides Gen 5 with 16 lanes (CPU only), while the Core Ultra 9 285 provides Gen 5 with 20 lanes (CPU only). Integrated graphics also differ: the i5-14450HX uses UHD Graphics 710, while the Core Ultra 9 285 uses Arc Xe-LPG Graphics 64EU.

The i5-14450HX targets the mobile segment with an Intel BGA 1964 socket, while the Core Ultra 9 285 targets the desktop segment with Intel Socket 1851. TDP ratings reflect this: 55 for the i5-14450HX versus 65 for the Core Ultra 9 285. The i5-14450HX has an unlocked multiplier, while the Core Ultra 9 285 does not. Release dates are roughly a year apart: the i5-14450HX released in January 2024, and the Core Ultra 9 285 released at the end of December 2024.

FAQ

Q: Which processor wins more benchmarks?

A: The Intel Core Ultra 9 285 wins all 17 recorded head-to-head benchmark comparisons. The Intel Core i5-14450HX records zero wins.

Q: How large is the single-core performance gap?

A: The smallest delta appears in PassMark single-thread tests, where the Core Ultra 9 285 scores 4881 versus 3643, a -25.4% delta from the i5's perspective. Cinebench single-core tests show larger gaps: R15 at 696 versus 285, R20 at 2901 versus 1191, and R23 at 6909 versus 2838, all at -58.9% deltas.

Q: What is the biggest performance difference between the two?

A: The largest recorded delta is in PassMark find prime numbers, where the Core Ultra 9 285 scores 459 versus 98, a -78.6% delta. Floating point math follows with a -70.2% delta (194988 versus 58037).

Q: How do their core and thread counts compare?

A: The Core Ultra 9 285 has 24 cores and 24 threads. The i5-14450HX has 10 cores and 16 threads. The i5 uses hyper-threading to exceed its core count, while the Core Ultra 9 285 does not.

Q: Do they use the same manufacturing process?

A: No. The i5-14450HX uses a 10 nm process from Intel, while the Core Ultra 9 285 uses a 3 nm process from TSMC. The Core Ultra 9 285 also records 17,800 million transistors, while the i5 has no transistor count in the database.

Q: Which processor has more L3 cache?

A: The Core Ultra 9 285 has 36 MB shared L3 cache, while the i5-14450HX has 20 MB shared L3 cache. The Core Ultra 9 285 also has larger per-core L1 (192 KB versus 80 KB) and L2 (3 MB versus 2 MB).

Specification Differences

| Specification | Intel Core i5-14450HX | Intel Core Ultra 9 285 |

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

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

| Cores | 10 | 24 |

| Threads | 16 | 24 |

| Base Clock | 2.40 GHz | 2.50 GHz |

| Boost Clock | 4.80 GHz | 5.60 GHz |

| TDP | 55 | 65 |

| Socket | Intel BGA 1964 | Intel Socket 1851 |

| Architecture | Raptor Lake | Arrow Lake |

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

| Process Node | 10 nm | 3 nm |

| Foundry | Intel | TSMC |

| Transistors | Not recorded | 17,800 million |

| Die Size | 257 mm² | 243 mm² |

| 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) | 36 MB (shared) |

| Memory Support | DDR4, DDR5 | DDR5 |

| Memory Bus | Dual-channel | Dual-channel |

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

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

| Integrated Graphics | UHD Graphics 710 | Arc Xe-LPG Graphics 64EU |

| Market Segment | Mobile | Desktop |

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

| Launch MSRP | Not recorded | $579 |

| Multiplier Unlocked | Yes | No |

| Part Number | SRMXK | SRQD4 |

Where Each One Wins

The Intel Core Ultra 9 285 wins every recorded benchmark category. In rendering workloads, Cinebench R23 multi-core shows 48945 versus 20108, confirming a massive advantage for heavily threaded content creation. Data compression results of 602121 versus 278538 indicate faster archive handling and file processing. Integer math at 164869 versus 78330 and floating point math at 194988 versus 58037 point to broad computational superiority. Encryption performance at 46949 versus 15574 gives the Core Ultra 9 285 a clear edge in security-related tasks. Physics simulation at 3598 versus 1475 and extended instructions at 45357 versus 17207 reinforce the pattern.

The Intel Core i5-14450HX does not win any recorded comparison, but its profile shows relative strengths worth noting. The narrowest gap appears in single-thread PassMark tests, where it trails by only 25.4%. This suggests the i5-14450HX retains reasonable per-core efficiency despite its older architecture. Its lower TDP of 55 versus 65 and mobile socket indicate a design intended for portable systems. The i5 also supports DDR4 memory, which could allow integration into existing platforms, though the database records no performance metrics for that configuration.

The Core Ultra 9 285 benefits from a 3 nm process, 24 cores, larger caches, higher boost clock, and faster memory bandwidth. These architectural advantages translate directly into the benchmark deltas observed. The i5-14450HX, with 10 cores on a 10 nm process, remains a capable mobile processor but operates in a different performance class entirely.

The Verdict

The recorded data leaves no ambiguity: the Intel Core Ultra 9 285 outperforms the Intel Core i5-14450HX in every measured workload. The average benchmark score of 75488 for the Core Ultra 9 285 versus 32040 for the i5-14450HX represents more than a doubling of aggregate performance. The Core Ultra 9 285 sits in the 95th percentile of all CPUs, while the i5-14450HX sits in the 82nd percentile.

The Core Ultra 9 285 is the choice for anyone requiring maximum multi-threaded throughput. Its 24 cores, 36 MB L3 cache, and 3 nm process deliver Cinebench R23 multi-core scores of 48945, nearly 2.5 times the i5's 20108. The desktop segment classification, higher TDP, and unlocked-to-locked multiplier difference (the i5 is unlocked, the Core Ultra 9 is not) indicate distinct usage scenarios.

The i5-14450HX belongs to mobile systems, with a BGA socket, 55 TDP, and DDR4/DDR5 support. Its 10 cores and 16 threads provide adequate multi-threading for laptops, and its single-thread PassMark score of 3643 remains respectable. But the data shows it cannot match the Core Ultra 9 285 in any recorded test, and its nearest rivals, the Core i7-13705H and Core i5-14400, sit within 0.2% of its average score, confirming it is firmly positioned in the mid-range.

The verdict from the database is straightforward: the Core Ultra 9 285 is the superior processor by every measured metric, with a launch MSRP of $579, while the i5-14450HX has no recorded launch price. Users building desktops for rendering, math-heavy workloads, or data processing should select the Core Ultra 9 285. Users constrained to mobile platforms will find the i5-14450HX serviceable, but the benchmark record offers no scenario where it surpasses the Core Ultra 9 285.