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

Head-to-Head Benchmarks

The benchmark data presents a clear and consistent picture: the Intel Core Ultra 9 285 wins every single recorded test against the Intel Core i9-14900T. Out of 17 head-to-head comparisons, the Core Ultra 9 285 takes all 17. The scale of the victory varies by workload, but the direction is uniform. In the Cinebench suite, the margin is a fixed 37.1% in favor of the Core Ultra 9 285 across all six tests, including both multicore and singlecore runs. The Core Ultra 9 285 scores 48945 in Cinebench R23 multicore versus 30803 for the i9-14900T. Its singlecore result in the same test is 6909 against 4348.

The Passmark suite shows more variation in the deltas. The smallest gap appears in integer math, where the Core Ultra 9 285 leads by 16.2% (164869 versus 138149). Single-thread performance also shows a relatively modest gap of 17.7%, with the Core Ultra 9 285 posting 4881 versus 4016. The largest single gap is in prime number finding, where the Core Ultra 9 285 is 64.3% ahead (459 versus 164). Floating point math shows a 52.5% advantage (194988 versus 92699), and extended instructions show a 47.8% lead (45357 versus 23660). Data encryption favors the Core Ultra 9 285 by 42.4% (46949 versus 27062), while multithread performance is 36% higher (56602 versus 36239). Physics tests show a 37.6% lead for the newer chip (3598 versus 2245). Data compression and random string sorting show leads of 27.6% and 32.8% respectively.

The average benchmark score reflects this dominance. The Core Ultra 9 285 holds an average score of 75488, while the i9-14900T sits at 51015. This places the Core Ultra 9 285 at the 95th percentile among all CPUs in the database, compared to the 90th percentile for the i9-14900T. The nearest rivals for the Core Ultra 9 285 are server-class AMD EPYC parts, with the EPYC 8224P just 0.1% ahead and the EPYC 4545P 0.2% behind. The i9-14900T sits near a cluster of mobile and desktop parts, with the Core Ultra 9 285T 0.6% ahead and the Ryzen 9 5900XT 0.6% behind.

Architecture Differences

The two processors come from different architectural generations and use different manufacturing approaches. The Intel Core i9-14900T is built on the Raptor Lake architecture, specifically the Raptor Lake-R refresh, using a 10 nm process node fabricated by Intel. It has a die size of 257 mm². The Intel Core Ultra 9 285 uses the Arrow Lake architecture (Arrow Lake-S) on a 3 nm process node fabricated by TSMC, with a die size of 243 mm² and 17,800 million transistors.

Core counts are identical at 24, but thread counts differ. The i9-14900T supports 32 threads, while the Core Ultra 9 285 supports 24 threads. This indicates the i9-14900T uses hyperthreading on its performance cores, while the Core Ultra 9 285 does not. Cache hierarchies also differ. The i9-14900T has 80 KB of L1 per core and 2 MB of L2 per core, with 36 MB of shared L3. The Core Ultra 9 285 has 192 KB of L1 per core and 3 MB of L2 per core, also with 36 MB of shared L3.

Clock speeds are close but not identical. The i9-14900T has a base clock of 1.10 GHz and a boost clock of 5.50 GHz. The Core Ultra 9 285 has a base clock of 2.50 GHz and a boost clock of 5.60 GHz. The base clock difference is substantial, with the Core Ultra 9 285 running over twice as fast at stock settings, though the boost clocks are similar. Thermal design power differs significantly: 35 W for the i9-14900T versus 65 W for the Core Ultra 9 285.

Memory support diverges. The i9-14900T supports both DDR4 and DDR5 in a dual-channel configuration. The Core Ultra 9 285 supports only DDR5, also dual-channel, but with a recorded memory bandwidth of 102.4 GB/s. Both support ECC memory. PCIe connectivity also differs: the i9-14900T provides Gen 5 with 16 lanes from the CPU, while the Core Ultra 9 285 provides Gen 5 with 20 lanes.

Integrated graphics are different as well. The i9-14900T uses UHD Graphics 770, while the Core Ultra 9 285 uses Arc Xe-LPG Graphics 64EU. The sockets differ, with the i9-14900T on Intel Socket 1700 and the Core Ultra 9 285 on Intel Socket 1851. The i9-14900T launched on January 7, 2024 with a launch MSRP of $549. The Core Ultra 9 285 launched on December 31, 2024 with a launch MSRP of $579. Neither processor has an unlocked multiplier.

Where Each One Wins

The data shows no workload category where the Intel Core i9-14900T wins. Across all 17 benchmark comparisons, the Intel Core Ultra 9 285 is ahead. This includes single-threaded tasks, multithreaded rendering, integer math, floating point math, encryption, compression, sorting, and extended instruction sets. The consistency of the results suggests the architectural advantages of Arrow Lake, combined with the higher base clock and newer process node, deliver a broad performance uplift rather than a niche improvement.

The i9-14900T does hold one advantage that is worth noting from the specification data: power draw. Its 35 W TDP is lower than the 65 W TDP of the Core Ultra 9 285. For constrained thermal environments or systems with limited cooling capacity, the i9-14900T may be easier to accommodate. It also supports DDR4 memory, which could matter for users with existing DDR4 modules, though this is not reflected in the benchmark scores.

The Core Ultra 9 285 wins by the smallest margins in integer math (16.2%) and single-thread performance (17.7%). These are significant but less dramatic than the 50% or greater leads seen in floating point and prime number tests. The largest wins, such as the 64.3% lead in prime number finding and the 52.5% lead in floating point math, indicate the newer architecture handles compute-heavy, non-gaming workloads with substantially more efficiency. The 37.1% lead across all Cinebench tests confirms a strong advantage in both multicore rendering and lightly threaded tasks.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Core Ultra 9 285 has an average benchmark score of 75488, compared to 51015 for the Intel Core i9-14900T.

Q: How many cores and threads does each processor have?

A: Both have 24 cores. The Intel Core i9-14900T has 32 threads, while the Intel Core Ultra 9 285 has 24 threads.

Q: What are the boost clock speeds of the two processors?

A: The Intel Core i9-14900T boosts to 5.50 GHz. The Intel Core Ultra 9 285 boosts to 5.60 GHz.

Q: Do both processors support ECC memory?

A: Yes, both the Intel Core i9-14900T and the Intel Core Ultra 9 285 support ECC memory.

Q: Which processor uses a smaller manufacturing process node?

A: The Intel Core Ultra 9 285 uses a 3 nm process node from TSMC. The Intel Core i9-14900T uses a 10 nm process node from Intel.

Q: What is the largest performance gap between the two in any benchmark?

A: The largest gap is in the Passmark prime number finding test, where the Intel Core Ultra 9 285 leads by 64.3%.

Specification Differences

The two processors differ in several key specifications. The Intel Core i9-14900T has 32 threads, while the Intel Core Ultra 9 285 has 24 threads. The base clock is 1.10 GHz for the i9-14900T and 2.50 GHz for the Core Ultra 9 285. The boost clock is 5.50 GHz versus 5.60 GHz. TDP is 35 W for the i9-14900T and 65 W for the Core Ultra 9 285.

The process node is 10 nm for the i9-14900T and 3 nm for the Core Ultra 9 285. The foundry is Intel for the i9-14900T and TSMC for the Core Ultra 9 285. The i9-14900T has a die size of 257 mm², while the Core Ultra 9 285 has a die size of 243 mm² with 17,800 million transistors. L1 cache is 80 KB per core for the i9-14900T and 192 KB per core for the Core Ultra 9 285. L2 cache is 2 MB per core versus 3 MB per core. L3 cache is 36 MB shared for both.

Memory support differs: the i9-14900T supports DDR4 and DDR5, while the Core Ultra 9 285 supports only DDR5. The Core Ultra 9 285 has a recorded memory bandwidth of 102.4 GB/s. PCIe lanes are 16 for the i9-14900T and 20 for the Core Ultra 9 285, both Gen 5. Integrated graphics are UHD Graphics 770 versus Arc Xe-LPG Graphics 64EU. The socket is Intel Socket 1700 for the i9-14900T and Intel Socket 1851 for the Core Ultra 9 285. The i9-14900T has a launch MSRP of $549, and the Core Ultra 9 285 has a launch MSRP of $579.

The Verdict

The benchmark data is unambiguous. The Intel Core Ultra 9 285 outperforms the Intel Core i9-14900T in every recorded test, with an average score 47.9% higher. Its nearest rivals are server-class EPYC processors, indicating it competes at a higher performance tier. The i9-14900T, by contrast, sits among upper-midrange desktop and mobile parts. For users building a new system and seeking maximum performance from the data, the Core Ultra 9 285 is the clear choice.

The i9-14900T retains relevance in specific scenarios. Its 35 W TDP makes it suitable for compact or low-power builds where thermal headroom is minimal. Its DDR4 support could reduce upgrade costs for users with existing memory. The locked multiplier on both parts means overclocking is not a differentiator.

The Core Ultra 9 285 justifies its higher launch MSRP through the recorded performance deltas. The 37.1% lead in Cinebench R23 multicore (48945 versus 30803) and the 58.9% lead in singlecore (6909 versus 4348) demonstrate a generational leap that extends across all measured workloads. The 3 nm process node, higher base clock, and larger per-core caches contribute to this result. Users prioritizing raw compute, rendering, encryption, or any other benchmarked task should select the Core Ultra 9 285 based on the evidence.