Intel Core i9-14900T vs Intel Core Ultra 9 285T Comparison

The Intel Core Ultra 9 285T and the Intel Core i9-14900T are two 35W desktop processors that deliver nearly identical average benchmark scores, yet they achieve those results through fundamentally different designs. The data shows the Ultra 9 285T holds a razor-thin overall edge, with an average benchmark score of 51,310 compared to 51,015 for the i9-14900T, a margin of just 0.6%. However, a closer look at the individual tests reveals that this is not a tie across the board; the Ultra 9 285T wins 14 of the 17 head-to-head comparisons, often by substantial margins, while the i9-14900T claims three specific workloads where it pulls ahead.

Head-to-Head Benchmarks

The most decisive victories for the Intel Core Ultra 9 285T come in compute-heavy and encryption workloads. In the PassMark floating point math test, the Ultra 9 scores 137,923 against the i9-14900T’s 92,699, a 48.8% advantage. Even more dramatic is the prime number search test, where the Ultra 9 scores 345 versus 164, representing a 110.4% lead — the largest delta in the entire comparison. Data encryption also favors the Ultra 9 heavily, with a score of 32,061 compared to 27,062, an 18.5% improvement. These results indicate a significant architectural advantage in raw arithmetic throughput and cryptographic workloads.

Across the Cinebench suite, the Ultra 9 285T is consistently 9% faster than the i9-14900T in both single-core and multi-core tests. For example, Cinebench R23 multi-core shows 33,573 for the Ultra 9 versus 30,803 for the i9-14900T, while single-core shows 4,739 versus 4,348. This uniform 9% delta across all six Cinebench tests suggests a per-clock efficiency gain rather than a core-count advantage, as both chips share the same 24-core physical layout. The PassMark multi-thread test confirms the trend, with the Ultra 9 scoring 39,931 against 36,239, a 10.2% win.

The Intel Core i9-14900T, however, fights back in three specific areas. Its biggest win is in data compression, where it scores 436,066 versus 384,140 for the Ultra 9 — an 11.9% lead. It also edges out the Ultra 9 in integer math, scoring 138,149 against 132,433, a 4.1% margin, and in random string sorting, 49,484 versus 47,695, a 3.6% advantage. These wins suggest that the i9-14900T’s higher thread count (32 versus 24) provides a tangible benefit in certain parallelizable, memory-latency-sensitive tasks, even if its overall efficiency is lower.

Where Each One Wins

The Intel Core Ultra 9 285T is the clear winner for any workload that stresses floating-point arithmetic, cryptography, or physics simulation. Its 48.8% advantage in floating point math and 26.6% lead in the PassMark physics test (2,842 versus 2,245) make it the superior choice for scientific computing, financial modeling, and 3D rendering that relies on FPU performance. The 18.5% edge in data encryption also positions it as the better option for security-focused applications like VPN gateways or full-disk encryption. Its 13.9% lead in single-thread performance (4,576 versus 4,016) further makes it the pick for lightly-threaded applications where responsiveness matters most.

The Intel Core i9-14900T wins in data compression, integer math, and random string sorting. Its 11.9% lead in compression makes it the better fit for file archiving, database workloads, and any application that packs or unpacks large volumes of data. The 4.1% integer math win suggests an edge in traditional business applications, spreadsheets, and general productivity software that relies heavily on integer operations. The random string sorting victory, while smaller at 3.6%, indicates an advantage in text processing and certain data-munging tasks. For users whose primary workload is archiving or heavy integer-based number crunching, the i9-14900T is the more capable part.

Architecture Differences

The two processors are built on entirely different underlying designs. The Intel Core Ultra 9 285T uses the Arrow Lake architecture on a 3 nm process node fabricated by TSMC, while the Intel Core i9-14900T uses the Raptor Lake architecture on Intel’s 10 nm process. This process advantage is reflected in the die size: the Ultra 9 measures 243 mm² with 17,800 million transistors, whereas the i9-14900T is slightly larger at 257 mm² with no transistor count listed in the data. The smaller, denser node likely contributes to the Ultra 9’s superior performance-per-watt, despite both chips sharing a 35W TDP.

Core and cache configurations also differ significantly. Both have 24 physical cores, but the Ultra 9 285T offers 24 threads (no hyperthreading), while the i9-14900T offers 32 threads. The Ultra 9 compensates with a larger L1 cache at 192 KB per core versus 80 KB, and a larger L2 cache at 3 MB per core versus 2 MB, while both share the same 36 MB L3 cache. The base clock is higher on the Ultra 9 at 1.40 GHz versus 1.10 GHz, though the i9-14900T boosts slightly higher at 5.50 GHz versus 5.40 GHz. These cache and thread differences explain why the i9-14900T wins in compression and integer math, while the Ultra 9’s larger per-core cache helps it dominate floating-point and single-threaded tests.

Memory support further separates the two. The Ultra 9 285T supports only DDR5 memory with a dual-channel bus and a memory bandwidth of 102.4 GB/s, while the i9-14900T supports both DDR4 and DDR5, though its memory bandwidth is not listed. Both support ECC memory. The PCIe configuration also differs: the Ultra 9 provides 20 Gen 5 lanes from the CPU, while the i9-14900T provides 16 Gen 5 lanes. Integrated graphics are another divergence, with the Ultra 9 featuring Arc Xe-LPG Graphics with 64 execution units, compared to the i9-14900T’s UHD Graphics 770. Finally, the sockets are incompatible: the Ultra 9 uses Intel Socket 1851, while the i9-14900T uses Intel Socket 1700.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Core Ultra 9 285T has an average benchmark score of 51,310, while the Intel Core i9-14900T scores 51,015, giving the Ultra 9 a 0.6% lead.

Q: How do the two chips compare in Cinebench R23 multi-core performance?

A: The Ultra 9 285T scores 33,573 versus 30,803 for the i9-14900T, a 9% advantage for the Ultra 9 in multi-core rendering.

Q: In which benchmark does the i9-14900T have its largest win?

A: The i9-14900T wins data compression with a score of 436,066 versus 384,140 for the Ultra 9, an 11.9% lead.

Q: What is the thread count difference between the two processors?

A: The Ultra 9 285T has 24 threads, while the i9-14900T has 32 threads, despite both having 24 physical cores.

Q: Which processor supports both DDR4 and DDR5 memory?

A: The Intel Core i9-14900T supports both DDR4 and DDR5 memory, while the Ultra 9 285T supports only DDR5.

Q: What is the largest performance delta in any single benchmark?

A: The largest delta is in the PassMark find prime numbers test, where the Ultra 9 285T scores 345 versus 164 for the i9-14900T, a 110.4% difference.

The Verdict

The data points decisively toward the Intel Core Ultra 9 285T for most users. It wins 14 of 17 benchmarks, including all six Cinebench tests and the PassMark multi-thread test, with an average score that is 0.6% higher than its rival. Its 48.8% lead in floating point math, 26.6% lead in physics, and 18.5% lead in encryption make it the stronger choice for any compute-intensive workload. The 13.9% single-thread advantage further cements it as the better all-around processor for both productivity and content creation.

The Intel Core i9-14900T is not without merit, but its wins are narrower and more specialized. Its 11.9% lead in data compression is its only double-digit victory, and its 4.1% integer math and 3.6% random string sorting wins are modest by comparison. For users whose work is dominated by archiving, database operations, or integer-heavy business logic, the i9-14900T may be the better fit. However, given that the Ultra 9 285T matches or beats it in every other category — including rendering, physics, and single-threaded tasks — the Ultra 9 285T is the recommended pick for a general-purpose desktop CPU. The i9-14900T’s additional 8 threads do not compensate for its lower cache sizes and older process node in the majority of tests.

Specification Differences

| Specification | Intel Core Ultra 9 285T | Intel Core i9-14900T |

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

| Threads | 24 | 32 |

| Base Clock | 1.40 GHz | 1.10 GHz |

| Boost Clock | 5.40 GHz | 5.50 GHz |

| Socket | Intel Socket 1851 | Intel Socket 1700 |

| Architecture | Arrow Lake | Raptor Lake |

| Process Node | 3 nm | 10 nm |

| Foundry | TSMC | Intel |

| Die Size | 243 mm² | 257 mm² |

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

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

| Memory Support | DDR5 | DDR4, DDR5 |

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

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

| Integrated Graphics | Arc Xe-LPG Graphics 64EU | UHD Graphics 770 |

| Part Number | SRQD3 | SRN3U |

| Release Date | 2025-01-06 | 2024-01-07 |