Intel Core Ultra 3 205 vs Intel Processor U300L Comparison

Head-to-Head Benchmarks

The Intel Core Ultra 3 205 and the Intel Processor U300L sit in entirely different performance classes, and the recorded benchmark data makes that gap unmistakable. The Core Ultra 3 205 has a full suite of 17 benchmark scores across Cinebench and PassMark tests, while the database contains no benchmark entries for the U300L, leaving its average benchmark score at zero. The Core Ultra 3 205 achieves an average benchmark score of 31,473 and ranks in the 82nd percentile of all CPUs, while the U300L sits at the 50th percentile with no measured performance data.

In multi-core workloads, the Core Ultra 3 205 posts a Cinebench R23 multi-core score of 19,856, a Cinebench R20 multi-core score of 8,339, and a Cinebench R15 multi-core score of 2,001. Single-core results are equally strong: 2,803 in Cinebench R23, 1,177 in Cinebench R20, and 282 in Cinebench R15. PassMark results show 26,167 in multithread, 4,575 in single-thread, 54,755 in integer math, 75,136 in floating point math, and 22,578 in extended instructions. Data compression scores hit 260,651, encryption reaches 18,772, random string sorting lands at 31,083, and physics simulation scores 2,016. The Core Ultra 3 205 also finds 268 prime numbers in the PassMark prime number test.

Because the U300L has no recorded benchmarks, there are no direct head-to-head comparisons to cite. The nearest rivals to the Core Ultra 3 205 in the database are the Intel Core 7 240H with an average score of 31,483 and a delta of 0 percent, the AMD Ryzen 9 5980HX at 31,495 with a delta of -0.1 percent, the Intel Core Ultra 5 225H at 31,508 with a delta of -0.1 percent, and the Intel Core i5-13500 at 31,510 with a delta of -0.1 percent. The Core Ultra 3 205 sits within 0.1 percent of all four rivals, indicating it trades blows with a cluster of mid-range and upper-mid-range processors.

Architecture Differences

The two processors come from different Intel generations and foundries. The Core Ultra 3 205 belongs to the Core Ultra Series 2 and uses the Arrow Lake architecture, specifically the Arrow Lake-S codename, built on a 3 nm process node at TSMC. It packs 17,800 million transistors on a 243 mm² die. The U300L uses the Raptor Lake architecture with the Raptor Lake-PS codename, built on Intel's 10 nm process node. The database lists no transistor count or die size for the U300L.

Core and thread counts diverge sharply. The Core Ultra 3 205 has 8 cores and 8 threads, all presumably performance-oriented given the equal counts. The U300L has 5 cores and 6 threads, indicating a hybrid arrangement with one efficiency core alongside four performance cores, typical of Raptor Lake designs. Clock speeds reflect this split: the Core Ultra 3 205 runs at a base clock of 3.80 GHz and boosts to 4.90 GHz, while the U300L runs at a base of 1.20 GHz and boosts to 4.40 GHz. The Core Ultra 3 205's boost advantage of 0.50 GHz over the U300L is significant, and its base clock is more than three times higher.

Cache hierarchies are also distinct. The Core Ultra 3 205 provides 192 KB of L1 per core, 3 MB of L2 per core, and 15 MB of shared L3. The U300L offers 80 KB of L1 per core, 1.25 MB of L2 per core, and 8 MB of shared L3. The Core Ultra 3 205 therefore has a substantially larger L3 pool (15 MB versus 8 MB) and more than double the per-core L2 allocation. Thermal design power differs by a wide margin: 57 watts for the Core Ultra 3 205 versus 15 watts for the U300L, reflecting the desktop versus mobile positioning.

The integrated graphics differ as well. The Core Ultra 3 205 uses Arc Xe-LPG Graphics with 16 execution units, while the U300L uses UHD Graphics with 48 execution units. Memory support shows the Core Ultra 3 205 limited to DDR5, while the U300L supports both DDR4 and DDR5. The Core Ultra 3 205 has a recorded memory bandwidth of 102.4 GB/s; the database lists no memory bandwidth figure for the U300L. Both are dual-channel and neither supports ECC memory. PCIe connectivity differs: the Core Ultra 3 205 provides Gen 5 with 20 lanes (CPU only), while the U300L provides Gen 4 with 8 lanes (CPU only).

Where Each One Wins

The benchmark data for the Core Ultra 3 205 shows it as a clear multi-core and single-core performer. Its Cinebench R23 multi-core score of 19,856 and PassMark multithread score of 26,167 indicate strong parallel workload capability, suitable for rendering, video encoding, and compilation tasks. The single-core Cinebench R23 score of 2,803 and PassMark single-thread score of 4,575 show it also handles lightly threaded applications such as web browsing, office work, and legacy software without bottlenecking. The data compression score of 260,651 and integer math score of 54,755 reinforce its strength in productivity workloads that rely on repeated arithmetic and data manipulation.

The U300L has no recorded benchmark data, so any analysis of its strengths must rely on its listed specifications. Its 15 watt TDP and mobile market segment suggest it is designed for low-power, thin-and-light laptops where battery life and thermal headroom take priority over raw throughput. Its support for both DDR4 and DDR5 memory gives system integrators flexibility in platform cost, and its 48 execution unit UHD Graphics suggests a more capable integrated GPU than the 16 execution unit Arc Xe-LPG part in the Core Ultra 3 205, which could matter for light gaming or media playback in a mobile chassis. However, with no benchmark scores in the database, these remain qualitative observations based on listed specifications rather than measured results.

The Core Ultra 3 205's desktop segment, 57 watt TDP, and Socket 1851 platform point toward use in full-size desktops where power draw is less constrained. Its Gen 5 PCIe with 20 lanes provides a wide, fast interface for discrete GPUs and NVMe storage. The U300L's Socket 1700 platform and 8 Gen 4 lanes limit expansion options but align with its mobile intent. The Core Ultra 3 205 also benefits from a newer memory standard (DDR5 only) and a higher memory bandwidth figure of 102.4 GB/s, which the U300L cannot match on paper.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core Ultra 3 205 has 8 cores and 8 threads. The Intel Processor U300L has 5 cores and 6 threads.

Q: What is the average benchmark score for each processor?

A: The Core Ultra 3 205 has an average benchmark score of 31,473 across its 17 recorded tests. The U300L has an average benchmark score of 0 because the database contains no benchmark entries for it.

Q: How do the clock speeds compare?

A: The Core Ultra 3 205 runs at a base clock of 3.80 GHz and a boost clock of 4.90 GHz. The U300L runs at a base clock of 1.20 GHz and a boost clock of 4.40 GHz.

Q: What are the process nodes for these chips?

A: The Core Ultra 3 205 is built on a 3 nm process at TSMC. The U300L is built on Intel's 10 nm process.

Q: Which processor supports more memory types?

A: The U300L supports both DDR4 and DDR5 memory. The Core Ultra 3 205 supports only DDR5.

Q: How does the integrated graphics compare?

A: The Core Ultra 3 205 uses Arc Xe-LPG Graphics with 16 execution units. The U300L uses UHD Graphics with 48 execution units.

Specification Differences

| Specification | Intel Core Ultra 3 205 | Intel Processor U300L |

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

| Cores | 8 | 5 |

| Threads | 8 | 6 |

| Base Clock | 3.80 GHz | 1.20 GHz |

| Boost Clock | 4.90 GHz | 4.40 GHz |

| TDP | 57 W | 15 W |

| Socket | Intel Socket 1851 | Intel Socket 1700 |

| Architecture | Arrow Lake | Raptor Lake |

| Codename | Arrow Lake-S | Raptor Lake-PS |

| Process Node | 3 nm | 10 nm |

| Foundry | TSMC | Intel |

| Transistors | 17,800 million | Not listed |

| Die Size | 243 mm² | Not listed |

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

| L2 Cache | 3 MB (per core) | 1.25 MB (per core) |

| L3 Cache | 15 MB (shared) | 8 MB (shared) |

| Memory Support | DDR5 | DDR4, DDR5 |

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

| PCIe | Gen 5, 20 Lanes (CPU only) | Gen 4, 8 Lanes (CPU only) |

| Integrated Graphics | Arc Xe-LPG Graphics 16EU | UHD Graphics 48EU |

| Market Segment | Desktop | Mobile |

| Release Date | 2025-07-31 | 2024-04-07 |

| Launch MSRP | $140 | $107 |

| Part Number | SRVFC | SRPEKSRPEM |

The two chips also share certain traits: both are manufactured by Intel, neither supports ECC memory, neither has an unlocked multiplier, and both use a dual-channel memory bus. The Core Ultra 3 205 released on 2025-07-31 with a launch MSRP of $140, while the U300L released on 2024-04-07 with a launch MSRP of $107. Both are listed as active in production. The U300L's part number appears as a concatenated string (SRPEKSRPEM) rather than a single clean identifier, which may reflect a packaging variant. The Core Ultra 3 205 has a single part number (SRVFC).