Intel Core 9 270H vs Intel Core Ultra 7 270K Plus Comparison

Intel Core 9 270H vs Intel Core Ultra 7 270K Plus: a comparison between a mobile Raptor Lake Refresh processor and a desktop Arrow Lake Refresh flagship. The benchmark data is unequivocal: the Core Ultra 7 270K Plus wins all 17 recorded head-to-head tests, often by substantial margins. The Core 9 270H holds a higher boost clock, but the architectural and physical advantages of the desktop part dominate every measured workload.

Head-to-Head Benchmarks

The Core Ultra 7 270K Plus delivers a clean sweep across all 17 benchmark comparisons. The largest gaps appear in single-core and multi-core rendering tests, where the desktop chip’s advantage is decisive. In Cinebench R23 multi-core, the Ultra 7 scores 44253 against the 270H’s 18000, a 59.3% lead. The single-core result in the same test shows a 16.4% advantage (2439 vs 2040), confirming that the Ultra 7 is not merely leveraging extra cores but also superior per-thread performance.

The multi-core deltas are consistently wide. Cinebench R15 multi-core shows a 63% difference (6656 vs 2464), and R20 multi-core shows a 58% gap (24461 vs 10268). The PassMark suite reinforces this pattern. The largest single delta is in PassMark find prime numbers, where the Ultra 7 leads by 81.8% (615 vs 112). Floating point math shows a 69.2% advantage (229491 vs 70640), and extended instructions show a 68.4% lead (63506 vs 20079). Data encryption also favors the Ultra 7 heavily, with a 67.2% gap (59097 vs 19369).

The smallest deltas are still meaningful. Cinebench R15 single-core shows only a 2% difference (354 vs 347), which places the two chips nearly level in that specific legacy test. PassMark single-thread shows a 22.2% lead for the Ultra 7 (5068 vs 3944). Integer math is the closest PassMark workload, with a 44.5% advantage (175986 vs 97654). The pattern is clear: the Ultra 7 wins every category, with the narrowest margins in single-core legacy tests and the widest margins in multi-threaded and specialized instruction workloads.

Architecture Differences

The two processors are built on fundamentally different designs. The Core 9 270H uses Raptor Lake architecture on a 10 nm process, fabricated by Intel. The Core Ultra 7 270K Plus uses Arrow Lake Refresh architecture on a 3 nm process, fabricated by TSMC. This node difference explains much of the efficiency and performance gap, as the newer, denser process allows for higher sustained throughput.

Core counts differ substantially. The 270H has 14 cores and 20 threads, while the Ultra 7 has 24 cores and 24 threads. The Ultra 7 uses a fully multi-threaded design with no hyper-threading, whereas the 270H relies on hyper-threading to achieve 20 threads from 14 cores. The Ultra 7’s additional 10 physical cores provide raw parallel capacity that the 270H cannot match.

Cache hierarchies also diverge. The 270H has 80 KB of L1 per core, 2 MB of L2 per core, and 24 MB of shared L3. The Ultra 7 has 192 KB of L1 per core, 3 MB of L2 per core, and 36 MB of shared L3. Every level favors the Ultra 7, with 50% more L3 and larger per-core caches. The Ultra 7 also lists 17,800 million transistors on a 243 mm² die, figures not recorded for the 270H.

Memory support differs. The 270H supports both DDR4 and DDR5, while the Ultra 7 supports only DDR5. The Ultra 7’s memory bandwidth is rated at 115.2 GB/s, a figure not provided for the 270H. The Ultra 7 also supports ECC memory, which the 270H does not. PCIe lanes are higher on the Ultra 7: Gen 5 with 20 lanes versus Gen 5 with 8 lanes on the 270H.

Integrated graphics differ as well. The 270H uses Iris Xe Graphics with 96 execution units, while the Ultra 7 uses Arc Xe-LPG Graphics with 64 execution units. The 270H has more execution units, but the Ultra 7’s graphics are from a newer architecture generation. The 270H is an unlocked multiplier, while the 270H is locked.

Where Each One Wins

The Core Ultra 7 270K Plus wins every recorded benchmark. Its strengths are most pronounced in multi-core rendering, data compression, encryption, and floating point math. For Cinebench R23 multi-core, the Ultra 7’s 44253 score places it in a performance tier that the 270H cannot approach. PassMark data compression shows a similar story: 804322 for the Ultra 7 versus 333785 for the 270H. This makes the Ultra 7 the clear choice for video rendering, 3D modeling, scientific simulation, and any workload that scales across many cores.

The Core 9 270H does have a higher boost clock: 5.80 GHz versus 5.50 GHz on the Ultra 7. This does not translate into a single benchmark win, however. The closest result is Cinebench R15 single-core, where the Ultra 7 still wins by 2%. The 270H’s faster base clock (2.70 GHz vs 3.70 GHz) is lower, so the boost advantage only applies in short bursts. The 270H’s 45 W TDP makes it suitable for mobile systems, while the Ultra 7’s 125 W TDP reflects its desktop orientation.

The 270H wins on portability and thermal profile. Its 45 W TDP is less than half of the Ultra 7’s 125 W, and it uses the Intel BGA 1744 socket, which is designed for laptops. The Ultra 7 uses Intel Socket 1851, a desktop platform. The 270H also supports DDR4 memory, which allows for lower-cost or legacy memory configurations, while the Ultra 7 requires DDR5.

Specification Differences

The most consequential specification differences are core count, process node, TDP, socket, and memory support. The Ultra 7 has 24 cores and 24 threads versus 14 cores and 20 threads on the 270H. The Ultra 7 uses a 3 nm TSMC process, while the 270H uses a 10 nm Intel process. The Ultra 7 has a 125 W TDP, while the 270H has a 45 W TDP. The Ultra 7 uses Intel Socket 1851, while the 270H uses Intel BGA 1744.

Clock speeds differ in both directions. The 270H has a higher boost clock at 5.80 GHz, while the Ultra 7 has a higher base clock at 3.70 GHz. The 270H’s boost advantage is not enough to overcome the Ultra 7’s architectural lead, as shown by the single-core results. Cache sizes favor the Ultra 7 in every tier: 192 KB L1 per core versus 80 KB, 3 MB L2 per core versus 2 MB, and 36 MB L3 versus 24 MB.

Memory and PCIe support are split. The 270H supports DDR4 and DDR5, while the Ultra 7 supports only DDR5. The Ultra 7 has ECC memory support, which the 270H lacks. The Ultra 7 has 20 PCIe Gen 5 lanes, while the 270H has 8. The Ultra 7 has a stated memory bandwidth of 115.2 GB/s, not listed for the 270H. The Ultra 7 has an unlocked multiplier, while the 270H is locked.

The integrated graphics differ in execution unit count: the 270H has 96 EU Iris Xe, while the Ultra 7 has 64 EU Arc Xe-LPG. The Ultra 7 is listed with 17,800 million transistors and a 243 mm² die size, neither of which is recorded for the 270H. The release dates also differ, with the 270H launching on 2024-12-17 and the Ultra 7 on 2026-03-10. The launch MSRP for the 270H is $697, and for the Ultra 7 it is $299.

FAQ

Q: Which processor has more cores?

A: The Intel Core Ultra 7 270K Plus has 24 cores and 24 threads. The Intel Core 9 270H has 14 cores and 20 threads.

Q: How large is the performance gap in Cinebench R23 multi-core?

A: The Core Ultra 7 270K Plus scores 44253, while the Core 9 270H scores 18000. The delta is 59.3% in favor of the Ultra 7.

Q: Does the Core 9 270H have any advantage in clock speed?

A: Yes, the 270H has a higher boost clock at 5.80 GHz versus 5.50 GHz for the Ultra 7. However, the Ultra 7 has a higher base clock at 3.70 GHz versus 2.70 GHz.

Q: What are the TDP values for these two processors?

A: The Core 9 270H has a TDP of 45 W. The Core Ultra 7 270K Plus has a TDP of 125 W.

Q: Which processor supports ECC memory?

A: The Core Ultra 7 270K Plus supports ECC memory. The Core 9 270H does not.

Q: What is the difference in the number of PCIe lanes?

A: The Core Ultra 7 270K Plus has Gen 5 with 20 lanes. The Core 9 270H has Gen 5 with 8 lanes.

The Verdict

The benchmark data directs a clear choice. The Core Ultra 7 270K Plus is the superior processor in every measured category. Its 96th percentile ranking versus the 270H’s 86th percentile aligns with the raw results. The average benchmark score of 93785 for the Ultra 7 is more than double the 270H’s 38335. The Ultra 7’s nearest rivals include server-class Xeon and EPYC parts, with deltas of 0% to -2.1%, placing it in a performance tier far above the 270H, whose nearest rivals are mainstream mobile and desktop chips with deltas of 0.1% to 0.3%.

For users who need maximum multi-threaded throughput, the Ultra 7 is the only choice. Its 24 cores, 36 MB of L3 cache, and 115.2 GB/s memory bandwidth deliver results that the 270H cannot approach. The Ultra 7 also offers ECC memory support, an unlocked multiplier, and 20 PCIe Gen 5 lanes, making it suitable for workstation and enthusiast desktop builds.

The Core 9 270H is a mobile part with a 45 W TDP and a BGA socket. Its higher boost clock and DDR4 support are practical advantages for laptops, but they do not translate into benchmark wins. The 270H’s 0 wins versus 17 losses makes it the weaker option in all performance terms. The data supports choosing the Core Ultra 7 270K Plus for any workload where processing power is the priority.