Intel Core 7 251E vs Intel Core Ultra 9 285H Comparison

Intel Core 7 251E and Intel Core Ultra 9 285H are both active Intel processors released on the same date, but they target fundamentally different segments of the market. The Core 7 251E is a desktop chip built on the older Bartlett Lake architecture with a 10 nm process, while the Core Ultra 9 285H is a mobile processor using the newer Arrow Lake architecture on a 3 nm node. The database contains benchmark scores for the Core Ultra 9 285H, while the Core 7 251E has no recorded benchmark results, making direct numerical comparison impossible. However, the architectural specifications and the available performance data for the mobile chip provide a clear picture of where each processor excels.

Where Each One Wins

The Intel Core Ultra 9 285H is the clear winner in every measured benchmark category, as it is the only one of the two with recorded scores in the database. Its average benchmark score of 38312 places it in the 86th percentile of all CPUs, indicating strong overall performance. The Core 7 251E, lacking any benchmark entries, holds a 50th percentile ranking based on its specifications alone, but without measured data, its real-world standing remains unquantified.

The Core Ultra 9 285H demonstrates its dominance in multi-threaded workloads. In Cinebench R23, it scores 20781.5 in multi-core and 2129.5 in single-core. The Geekbench results show a multi-core score of 14743 and a single-core score of 2178. PassMark tests further reveal its strengths: a multi-thread score of 34171, a single-thread score of 4415, and a physics score of 2513. These numbers indicate a processor that handles both heavily threaded tasks and single-threaded applications with high efficiency.

For the Core 7 251E, the lack of benchmark data means its wins are theoretical rather than measured. Its 24 cores and 32 threads suggest a capability for parallel workloads, and its 36 MB of shared L3 cache is larger than the 24 MB on the Core Ultra 9 285H. The desktop chip also supports DDR4 and DDR5 memory, while the mobile chip only supports DDR5 and LPDDR5X, giving the 251E more flexibility in memory configuration. However, without scores, these advantages remain speculative in the database.

In practical terms, the Core Ultra 9 285H wins on all available metrics, from Cinebench to PassMark sub-tests like data compression (335859), data encryption (26140), floating point math (109190), and integer math (85922). The Core 7 251E, as a desktop part, likely wins on platform compatibility and memory options, but the data does not confirm any performance victory.

Architecture Differences

The two processors represent distinct generations and design philosophies from Intel. The Core 7 251E uses the Bartlett Lake architecture, a desktop-focused design built on Intel's 10 nm process node. It features 24 cores and 32 threads, with a base clock of 2.10 GHz and a boost clock of 5.60 GHz. The chip has a 65 W TDP and fits the Intel Socket 1700. Its cache hierarchy includes 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3 cache. The die size is 257 mm², and it uses Intel as the foundry. Memory support includes DDR4 and DDR5 in a dual-channel configuration, with a memory bandwidth of 89.6 GB/s. It supports ECC memory and provides PCIe Gen 5 with 16 lanes from the CPU. Integrated graphics are handled by UHD Graphics 770, and the launch MSRP was $384.

The Core Ultra 9 285H, in contrast, is a mobile processor from the Core Ultra Series 2, built on the Arrow Lake architecture (specifically Arrow Lake-H). It uses a 3 nm process node from TSMC, a significant shrink compared to the 251E's 10 nm. The chip has 16 cores and 16 threads, with a base clock of 2.90 GHz and a boost clock of 5.40 GHz. Its TDP is 45 W, lower than the desktop part, and it uses the Intel BGA 2049 socket. The cache configuration differs markedly: 192 KB of L1 per core, 3 MB of L2 per core, and 24 MB of shared L3 cache. Memory support covers DDR5 and LPDDR5X, also dual-channel, but with a higher memory bandwidth of 102.4 GB/s. ECC memory is supported, and PCIe Gen 5 is present with 8 lanes from the CPU. The integrated graphics are Arc Graphics 140T, a more advanced GPU solution. The launch MSRP was $651.

The core count difference is striking: 24 cores and 32 threads versus 16 cores and 16 threads. The 251E has more physical cores and supports hyper-threading, while the 285H has no hyper-threading, offering one thread per core. The 285H compensates with a smaller, more efficient 3 nm process, likely improving power efficiency despite the lower core count. The cache per core is larger on the 285H (192 KB L1 and 3 MB L2 versus 80 KB and 2 MB), but the total L3 is smaller (24 MB versus 36 MB). The memory bandwidth favors the mobile chip at 102.4 GB/s versus 89.6 GB/s, a notable advantage for data-intensive tasks.

The integrated graphics also differ significantly. The 285H uses Arc Graphics 140T, which is a more capable GPU than the UHD Graphics 770 found in the 251E, based on their respective positions in Intel's lineup. The 285H also has fewer PCIe lanes (8 versus 16), reflecting its mobile nature where bandwidth is less critical than in a desktop system.

Head-to-Head Benchmarks

Since the Core 7 251E has no benchmark scores in the database, a direct head-to-head comparison cannot be made using measured results. The Core Ultra 9 285H, however, has a full suite of scores that define its performance profile. In Cinebench R15, it scores 3177.5 in multi-core and 313 in single-core. In Cinebench R20, the scores are 12201 multi-core and 1722 single-core. These results show a consistent pattern of strong multi-threaded performance relative to single-threaded, though both are respectable.

The PassMark suite provides granular data. The multi-thread score is 34171, while the single-thread score is 4415. The physics test yields 2513, and the extended instructions test scores 26794. Data compression scores 335859, data encryption scores 26140, and random string sorting scores 40931. Find prime numbers scores 330, floating point math scores 109190, and integer math scores 85922. These numbers across various workloads give a comprehensive view of the 285H's capabilities.

The nearest rivals for the Core Ultra 9 285H, based on average benchmark score, are the Intel Core 9 270H with an average score of 38335 and a delta of -0.1%, the Intel Core i5-13600HX with 38261 and a delta of 0.1%, the Intel Xeon w3-2525 with 38392 and a delta of -0.2%, and the AMD Ryzen 7 250 with 38221 and a delta of 0.2%. This places the 285H in a tight cluster where it trades leads with these competitors by fractions of a percent. The delta values indicate the 285H is essentially tied with all four, differing by no more than 0.2% in either direction. This suggests that while the 285H is competitive, it does not decisively outpace its immediate rivals.

For the Core 7 251E, with zero benchmarks and zero wins in the head-to-head data, there is no measured performance to analyze. The winsA field is 0, and winsB is 0, meaning the database records no direct benchmark comparisons between these two processors. Any assertion of superiority for the 251E would rely solely on its core count and cache size, which are not reflected in any test scores.

The Verdict

The data clearly favors the Intel Core Ultra 9 285H for anyone seeking measured performance. Its benchmark scores across Cinebench, Geekbench, and PassMark demonstrate a capable processor for both single-threaded and multi-threaded tasks. The 86th percentile ranking and an average score of 38312 indicate a high-performing mobile chip, competitive with the Core 9 270H, Core i5-13600HX, Xeon w3-2525, and Ryzen 7 250, all within a narrow 0.2% margin. The 285H is suitable for a mobile workstation or high-end laptop where processing power is a priority, given its 45 W TDP and Arc Graphics 140T.

The Intel Core 7 251E, without any benchmark data, cannot be recommended based on measured performance. Its desktop platform with 24 cores, 32 threads, and a 5.60 GHz boost clock suggests it could be a strong contender for heavily threaded desktop workloads, but the absence of scores means the database cannot confirm this. Its 36 MB L3 cache and support for DDR4 and DDR5 memory provide flexibility, but these are specifications, not results. The 65 W TDP and Socket 1700 indicate a traditional desktop build, potentially appealing to users who need many cores for rendering or compilation, but the lack of evidence prevents a data-driven endorsement.

In a direct choice, the Core Ultra 9 285H is the only one with proven performance in the database. The Core 7 251E may offer more cores and threads, but without scores, its real-world impact is unknown. The 285H also has the advantage of a smaller process node (3 nm versus 10 nm), higher memory bandwidth (102.4 GB/s versus 89.6 GB/s), and a more advanced integrated GPU. The 251E counters with more cores, more L3 cache, and a lower launch MSRP ($384 versus $651), but these do not translate into measured wins.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core 7 251E has 24 cores and 32 threads, while the Intel Core Ultra 9 285H has 16 cores and 16 threads.

Q: What is the average benchmark score for the Core Ultra 9 285H?

A: The Core Ultra 9 285H has an average benchmark score of 38312, placing it in the 86th percentile of all CPUs.

Q: Does the Core 7 251E have any recorded benchmark scores?

A: No, the database lists zero benchmark scores for the Intel Core 7 251E, with a 50th percentile ranking based on specifications only.

Q: What is the memory bandwidth difference between the two processors?

A: The Core Ultra 9 285H has a memory bandwidth of 102.4 GB/s, while the Core 7 251E has 89.6 GB/s.

Q: Which processor uses a smaller manufacturing process?

A: The Core Ultra 9 285H uses a 3 nm process from TSMC, whereas the Core 7 251E uses a 10 nm process from Intel.

Q: How does the Core Ultra 9 285H compare to its nearest rivals in average score?

A: The Core Ultra 9 285H is within 0.2% of the Intel Core 9 270H (38335, delta -0.1%), Core i5-13600HX (38261, delta 0.1%), Xeon w3-2525 (38392, delta -0.2%), and AMD Ryzen 7 250 (38221, delta 0.2%).