Intel Core 3 100HL vs Intel Core Ultra 5 250KF Plus Comparison

The Intel Core 3 100HL and Intel Core Ultra 5 250KF Plus occupy opposite ends of the desktop performance spectrum. The data shows a decisive sweep: the Core Ultra 5 250KF Plus wins all 17 recorded head-to-head benchmarks, while the Core 3 100HL fails to secure a single victory. This analysis breaks down the architectural foundations and workload implications of that result, using recorded scores and specifications to explain the performance chasm.

Where Each One Wins

The Core 3 100HL, with its 8 cores and 12 threads, is positioned as an efficient, space-conscious desktop processor. Its strength lies in its modest power envelope and integrated graphics, making it suitable for basic desktop tasks and light productivity. The recorded data shows its PassMark single-thread score of 3735 and multi-thread score of 17586, which places it in the 76th percentile of all CPUs. This suggests it is a competent performer for everyday applications, but not a powerhouse for demanding workloads.

The Core Ultra 5 250KF Plus wins every benchmark category without exception. It dominates in both single-threaded and multi-threaded tests, with its PassMark single-thread score of 4698 representing a 20.5% lead over the Core 3 100HL. The gap widens dramatically in multi-threaded scenarios, where the Ultra 5's 18 cores and 18 threads (it lacks Hyper-Threading) deliver a PassMark multi-thread score of 50146, which is 64.9% higher than the Core 3's 17586. This indicates the Ultra 5 is designed for heavy parallel workloads, such as video rendering, scientific computing, and complex data analysis.

The use-case split is clear. The Core 3 100HL is for systems where power efficiency and integrated graphics matter more than raw compute, such as compact desktops or basic office machines. The Core Ultra 5 250KF Plus is for users who prioritize maximum throughput and are willing to accept a 125 W TDP and the absence of integrated graphics. The data does not show any workload where the Core 3 100HL is preferable from a pure performance standpoint.

Architecture Differences

The two processors are built on fundamentally different architectures. The Core 3 100HL uses Intel's Raptor Lake architecture on a 10 nm process node, fabricated by Intel itself. It features a hybrid design with 8 cores and 12 threads, indicating a mix of performance and efficiency cores. Its cache configuration includes 80 KB of L1 per core, 2 MB of L2 per core, and a shared 12 MB L3 cache. It supports both DDR4 and DDR5 memory via a dual-channel bus, and its integrated Iris Xe Graphics with 48 execution units provides display output without a discrete GPU.

The Core Ultra 5 250KF Plus belongs to the Core Ultra Series 2, codenamed Arrow Lake Refresh. It is built on a 3 nm process node by TSMC, a significant manufacturing advantage. The chip contains 17,800 million transistors on a 243 mm² die. It has 18 cores and 18 threads, with no Hyper-Threading support. Its cache hierarchy is larger: 192 KB of L1 per core, 3 MB of L2 per core, and a shared 30 MB L3 cache. It exclusively supports DDR5 memory, with a recorded memory bandwidth of 115.2 GB/s, and it includes ECC memory support, which the Core 3 100HL lacks. The Ultra 5 also provides PCIe Gen 5 with 20 CPU lanes, compared to the Core 3's PCIe Gen 4 with 8 lanes.

The multiplier is unlocked on the Ultra 5, enabling overclocking, while the Core 3 is locked. The Ultra 5 has no integrated graphics, a notable omission for a desktop processor, but one that aligns with its high-performance, discrete-GPU-oriented positioning. The Core 3 100HL uses the Intel Socket 1700, while the Ultra 5 uses the newer Intel Socket 1851.

Head-to-Head Benchmarks

The benchmark results are uniformly lopsided. In Cinebench R15 multi-core, the Ultra 5 scores 4305 against the Core 3's 1506, a 65% difference. The single-core test shows a similar 65.1% gap, with scores of 607 and 212 respectively. These margins persist across Cinebench R20 and R23, where the Ultra 5's multi-core scores of 17941 and 42718 dwarf the Core 3's 6278 and 14948, respectively, each showing a 65% deficit for the older chip.

The PassMark suite reveals where the architectural advantages are most pronounced. The find prime numbers test shows the Ultra 5 scoring 452 against the Core 3's 48, an 89.4% difference, the largest in the dataset. This indicates a massive integer throughput advantage. Floating point math also favors the Ultra 5 heavily: 159824 versus 42108, a 73.7% gap. Data encryption shows a 71% difference (41292 vs 11964), while extended instructions show a 70.9% gap (42880 vs 12463). Physics simulation scores 3183 versus 928, a 70.8% difference.

The smallest gap appears in the single-threaded PassMark test, where the Ultra 5 scores 4698 against the Core 3's 3735, a 20.5% difference. This is the only benchmark where the margin is below 50%, indicating that single-threaded performance is the closest contest, though the Ultra 5 still holds a clear advantage. Integer math shows a 54.2% gap (123030 vs 56308), and data compression shows a 63.4% gap (553155 vs 202225). Random string sorting is 65.4% apart (67209 vs 23223), and multi-thread tests are 64.9% apart (50146 vs 17586).

The Verdict

The recorded data supports a definitive conclusion. The Intel Core Ultra 5 250KF Plus is the superior processor in every measured metric. Its 93rd percentile ranking versus the Core 3's 76th percentile confirms its position in the high-performance tier. The Ultra 5's nearest rivals include the AMD Ryzen 9 7950X3D, which trails by 0.4%, and the Intel Core Ultra 5 250K Plus, which leads by 1%, showing the Ultra 5 sits at the upper edge of mainstream desktop performance.

The Core 3 100HL, by contrast, is grouped with mid-range parts like the AMD Ryzen 5 PRO 8540U and Intel Core i5-11500, each showing a 0.7% delta in average score. Its performance is adequate for basic tasks, but it cannot compete with the Ultra 5's core count, clock speeds, or modern architecture. The Ultra 5's base clock of 4.20 GHz and boost clock of 5.30 GHz far exceed the Core 3's 2.10 GHz base and 4.60 GHz boost.

Users requiring maximum multi-threaded throughput, such as content creators or engineers, should select the Core Ultra 5 250KF Plus based on its Cinebench R23 multi-core score of 42718 and its PassMark multi-thread score of 50146. Users building a compact, power-conscious system with integrated graphics and no need for ECC memory would choose the Core 3 100HL, but they must accept a significant performance compromise in all recorded benchmarks. The data shows no scenario where the Core 3 100HL outperforms the Ultra 5, making the latter the unequivocal choice for performance-driven builds.

FAQ

Q: Which processor has more cores?

A: The Intel Core Ultra 5 250KF Plus has 18 cores, while the Intel Core 3 100HL has 8 cores.

Q: What is the performance difference in Cinebench R23 multi-core?

A: The Core Ultra 5 250KF Plus scores 42718, while the Core 3 100HL scores 14948, a 65% difference in favor of the Ultra 5.

Q: Does the Core Ultra 5 250KF Plus have integrated graphics?

A: No, its integrated graphics is listed as N/A, whereas the Core 3 100HL includes Iris Xe Graphics with 48 execution units.

Q: Which processor supports ECC memory?

A: The Core Ultra 5 250KF Plus supports ECC memory, while the Core 3 100HL does not.

Q: What is the largest benchmark gap between the two?

A: The PassMark find prime numbers test shows the largest gap, with the Ultra 5 scoring 452 versus the Core 3's 48, an 89.4% difference.

Q: How do their average benchmark scores compare?

A: The Core Ultra 5 250KF Plus has an average benchmark score of 66159, compared to the Core 3 100HL's 23545, placing them in the 93rd and 76th percentiles of all CPUs, respectively.