Intel Core Ultra 7 270K Plus vs Intel Processor U300L Comparison

Intel Core Ultra 7 270K Plus vs Intel Processor U300L

The Intel Core Ultra 7 270K Plus and the Intel Processor U300L occupy completely different positions in the database. The Ultra 7 270K Plus is a desktop-class processor with a 96th percentile ranking among all CPUs, while the U300L sits at the 50th percentile and is classified as a mobile part. The benchmark data confirms this split: the Ultra 7 270K Plus has a substantial average benchmark score of 93,785, whereas the U300L has no recorded benchmark scores in the database. This makes direct numerical comparison impossible for most tests, but the available specifications and the Ultra 7's recorded results paint a clear picture of their relative performance tiers.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark entries for these two processors, and the U300L has zero recorded benchmark scores. This means the only quantitative performance data comes from the Ultra 7 270K Plus. In Cinebench R23 multi-core, the Ultra 7 270K Plus scores 44,253 points, while its single-core score is 2,439 points. In Cinebench R20, the multi-core score reaches 24,461, with a single-core score of 3,453. The older Cinebench R15 test shows 6,656 points multi-core and 354 points single-core. These results indicate a processor that handles heavily threaded workloads with a clear advantage over its single-thread performance, which is typical for a 24-core, 24-thread design.

PassMark results for the Ultra 7 270K Plus show a multi-thread score of 68,574 and a single-thread score of 5,068. The floating-point math score is 229,491, while integer math scores 175,986. Data compression scores 804,322, and data encryption scores 59,097. Extended instructions score 63,506, and random string sorting scores 96,945. The physics score is 4,064, and find prime numbers scores 615. These figures show a processor that is particularly strong in compression and floating-point tasks, with the prime number test being a relative weak point.

The nearest rivals for the Ultra 7 270K Plus in the database are all server-class processors. The Intel Xeon 6520P has an average score of 93,786, essentially identical to the Ultra 7's 93,785, with a delta of 0 percent. The AMD EPYC 4564P scores 95,183, which is 1.5 percent higher. The AMD EPYC 9175F scores 95,615, 1.9 percent higher, and the AMD EPYC 4565P scores 95,764, 2.1 percent higher. This places the Ultra 7 270K Plus just below four EPYC and Xeon parts, all of which are designed for multi-socket servers. The performance gap to these rivals is narrow, ranging from a tie to a 2.1 percent deficit, which shows the Ultra 7 competes at a high level despite being a desktop processor.

The U300L has no benchmarks, so the database cannot provide any direct performance comparisons. Its 50th percentile ranking suggests it sits at the median of all CPUs, but without recorded scores, the only actionable data is the Ultra 7's results. The Ultra 7's single-thread score of 5,068 in PassMark and 2,439 in Cinebench R23 would likely outpace the U300L given the latter's 5 cores and 6 threads, but this remains speculative because the U300L lacks entries.

The Verdict

The data shows two processors for different roles. The Intel Core Ultra 7 270K Plus is a 24-core, 24-thread desktop processor with a 96th percentile ranking, a 125 TDP, and a boost clock of 5.50 GHz. Its benchmark scores place it near server-class Xeon and EPYC parts, with a 0 percent delta to the Xeon 6520P and deficits of 1.5 to 2.1 percent against three EPYC models. This is a processor for heavy multi-threaded workloads, content creation, or any task that scales across many cores. The 44,253-point Cinebench R23 multi-core score confirms this strength.

The Intel Processor U300L is a 5-core, 6-thread mobile processor with a 15 TDP, a boost clock of 4.40 GHz, and a 50th percentile ranking. It has no recorded benchmarks, so the database cannot confirm its performance. Its specifications point to a low-power part for compact or mobile systems, with DDR4 and DDR5 memory support and an integrated UHD Graphics 48EU unit. The Ultra 7 270K Plus is the clear choice for performance, but the U300L is the only option for a 15-watt mobile design.

Users who need maximum compute throughput should select the Ultra 7 270K Plus. Its 96th percentile ranking and near-parity with server processors make it a high-performing desktop part. Users who require a low-power mobile processor with integrated graphics and a small core count should select the U300L, but they must accept that the database contains no performance scores for it.

FAQ

Q: Which processor has a higher boost clock?

A: The Intel Core Ultra 7 270K Plus has a boost clock of 5.50 GHz, while the Intel Processor U300L has a boost clock of 4.40 GHz.

Q: What is the core count difference between the two?

A: The Ultra 7 270K Plus has 24 cores and 24 threads, while the U300L has 5 cores and 6 threads.

Q: Does the U300L have any benchmark scores in the database?

A: No, the U300L has zero recorded benchmark scores, and its average benchmark score is 0.

Q: How does the Ultra 7 270K Plus compare to its nearest rivals?

A: The Ultra 7 270K Plus has an average score of 93,785. The Intel Xeon 6520P matches it at 93,786, while the AMD EPYC 4564P is 1.5 percent higher, the EPYC 9175F is 1.9 percent higher, and the EPYC 4565P is 2.1 percent higher.

Q: What memory types does each processor support?

A: The Ultra 7 270K Plus supports DDR5 only, while the U300L supports both DDR4 and DDR5.

Q: Which processor has ECC memory support?

A: The Ultra 7 270K Plus supports ECC memory, while the U300L does not.

Specification Differences

The two processors differ in nearly every specification field. The Ultra 7 270K Plus uses Intel Socket 1851, while the U300L uses Intel Socket 1700. The Ultra 7 has 24 cores and 24 threads, compared to 5 cores and 6 threads on the U300L. Base clocks are 3.70 GHz for the Ultra 7 and 1.20 GHz for the U300L, with boost clocks of 5.50 GHz and 4.40 GHz respectively. The TDP is 125 watts for the Ultra 7 and 15 watts for the U300L.

Cache configurations differ significantly. The Ultra 7 has 192 KB of L1 cache per core, 3 MB of L2 cache per core, and 36 MB of shared L3 cache. The U300L has 80 KB of L1 cache per core, 1.25 MB of L2 cache per core, and 8 MB of shared L3 cache. Memory support also differs: the Ultra 7 supports only DDR5, while the U300L supports DDR4 and DDR5. Memory bandwidth is listed at 115.2 GB/s for the Ultra 7, while the U300L has no recorded memory bandwidth figure.

PCIe support varies, with the Ultra 7 offering Gen 5 with 20 lanes (CPU only), while the U300L offers Gen 4 with 8 lanes (CPU only). Integrated graphics differ as well, with the Ultra 7 featuring Arc Xe-LPG Graphics 64EU and the U300L featuring UHD Graphics 48EU. The market segment is Desktop for the Ultra 7 and Mobile for the U300L. The Ultra 7 has an unlocked multiplier, while the U300L does not. Release dates are 2026-03-10 for the Ultra 7 and 2024-04-07 for the U300L. The Ultra 7 has a launch MSRP of $299, and the U300L has a launch MSRP of $107.

Architecture Differences

The Ultra 7 270K Plus is part of the Core Ultra Series 2, codenamed Arrow Lake Refresh, with a generation listed as "Ultra 7 (Arrow Lake)". The U300L uses the Raptor Lake architecture, codenamed Raptor Lake-PS, with a generation listed as "Intel Processor (Raptor Lake)". These are different microarchitectures from different product lines.

The process node differs: the Ultra 7 uses a 3 nm process from TSMC, while the U300L uses a 10 nm process from Intel. The Ultra 7 has 17,800 million transistors and a die size of 243 mm², while the U300L has no recorded transistor count or die size. The foundry is TSMC for the Ultra 7 and Intel for the U300L.

The Ultra 7's cache hierarchy is larger in every tier, with 192 KB L1 per core, 3 MB L2 per core, and 36 MB shared L3. The U300L has 80 KB L1 per core, 1.25 MB L2 per core, and 8 MB shared L3. Neither processor supports 3D V-Cache, and total L3 cache is not listed for either. The Ultra 7 supports ECC memory, while the U300L does not. The Ultra 7 uses DDR5 only, while the U300L supports both DDR4 and DDR5.

Where Each One Wins

The Ultra 7 270K Plus wins in all scenarios that require raw compute performance. Its 24 cores and 24 threads, combined with a 5.50 GHz boost clock, deliver a Cinebench R23 multi-core score of 44,253 and a PassMark multi-thread score of 68,574. The single-thread score of 5,068 in PassMark shows strong per-core performance as well. The 96th percentile ranking confirms it sits near the top of all CPUs in the database. Its nearest rivals are server-class Xeon and EPYC parts, with the Xeon 6520P matching its average score exactly and the EPYC models leading by only 1.5 to 2.1 percent. This makes it suited for multi-threaded rendering, data compression, and floating-point workloads, where it scores 804,322 and 229,491 respectively.

The U300L wins in scenarios where power consumption and mobile operation are priorities. Its 15 watt TDP is significantly lower than the Ultra 7's 125 watts, and it is classified as a mobile processor. It supports both DDR4 and DDR5 memory, which provides flexibility for system builders. Its integrated UHD Graphics 48EU unit is present, though the Ultra 7's Arc Xe-LPG Graphics 64EU has a higher EU count. The U300L has no benchmark scores, so the database cannot quantify its performance, but its 5 cores and 6 threads indicate a modest workload capacity. It also has a lower launch MSRP of $107 compared to the Ultra 7's $299, though pricing analysis is outside the scope of the recorded data.

The Ultra 7 270K Plus is the clear choice for desktop users who need maximum throughput. The U300L is the only choice for a 15-watt mobile processor with DDR4 and DDR5 support. The database records no performance data for the U300L, so any performance comparison beyond the Ultra 7's scores is not supported by the available information.