Intel Core 7 253PE vs Intel Core Ultra X7 358H Comparison

The Intel Core Ultra X7 358H and the Intel Core 7 253PE represent two distinct design philosophies from the same manufacturer, targeting different market segments with contrasting architectural priorities. The data shows a clear split: the Ultra X7 358H, a mobile-focused 16-core part built on a 3 nm process, wins the majority of benchmark head-to-heads, while the Core 7 253PE, a desktop-oriented 10-core/20-thread part on a 10 nm node, counters with decisive wins in specific single-threaded and integer-heavy workloads. Both processors sit at the 87th percentile against all CPUs, with average benchmark scores of 40967 for the Ultra X7 358H and 40557 for the Core 7 253PE, making them closely matched overall despite their divergent strengths.

The Verdict

Data from the head-to-head benchmark table shows the Intel Core Ultra X7 358H winning 12 of 17 tests, while the Intel Core 7 253PE takes 5. The Ultra X7 358H is the pick for users prioritizing multi-threaded throughput, memory bandwidth, and data-heavy workloads like encryption and floating-point math. Its 20.7% lead in Cinebench R15 multi-core and 15.5% advantage in PassMark multithread demonstrate a clear edge in parallel processing. In contrast, the Core 7 253PE is the choice for single-core-centric applications, as evidenced by its 40.8% lead in Cinebench R23 single-core and 14.8% lead in R15 single-core, along with a 27.2% advantage in PassMark integer math. The Core 7 253PE also offers ECC memory support, making it suitable for data-integrity-focused desktop workflows, whereas the Ultra X7 358H lacks this feature. For mobile users requiring a 25 W TDP and a compact BGA 2540 package, the Ultra X7 358H is the logical fit; for desktop builders needing raw single-core speed and a Socket 1700 platform, the Core 7 253PE, with a launch MSRP of $384, is the data-backed selection.

Architecture Differences

The fundamental architectural split begins with the process node: the Intel Core Ultra X7 358H is fabricated on Intel's 3 nm process, while the Intel Core 7 253PE uses a 10 nm process. This node difference contributes to the Ultra X7 358H's significantly lower 25 W TDP compared to the Core 7 253PE's 65 W TDP, allowing the former to operate in thin-and-light mobile chassis. The core configuration diverges sharply: the Ultra X7 358H packs 16 cores and 16 threads, whereas the Core 7 253PE has 10 cores and 20 threads, meaning the latter relies on hyper-threading to reach higher thread counts. Cache hierarchies differ accordingly, with the Ultra X7 358H featuring 192 KB L1 and 3 MB L2 per core, plus 18 MB shared L3, while the Core 7 253PE offers 80 KB L1 and 2 MB L2 per core, but a larger 33 MB shared L3. Memory support is another differentiator: the Ultra X7 358H uses LPDDR5X with dual-channel support and a memory bandwidth of 153.6 GB/s, while the Core 7 253PE supports both DDR4 and DDR5 with dual-channel access at a lower 89.6 GB/s. The integrated graphics also differ, with the Ultra X7 358H featuring Arc B390 graphics versus the UHD Graphics 730 on the Core 7 253PE. PCIe lane allocation favors the desktop part, as the Core 7 253PE provides Gen 5 with 16 CPU lanes, while the Ultra X7 358H offers only 4 Gen 5 CPU lanes. Neither processor has an unlocked multiplier, and both are currently listed as Active production parts.

Where Each One Wins

The Intel Core Ultra X7 358H dominates in multi-threaded and specialized computational workloads. It wins Cinebench R15 multi-core by 20.7%, R20 multi-core by 14.9%, and PassMark multithread by 15.5%. The largest margins come in PassMark find prime numbers, where it leads by 144.2%, and PassMark physics, with a 63.7% advantage. Data encryption shows a 41.7% lead, extended instructions a 25.1% lead, and floating-point math a 28.4% lead. These results indicate the Ultra X7 358H is suited for scientific computing, encryption tasks, and physics simulations. It also wins PassMark single-thread by 4.3%, showing a minor edge in general single-core performance despite losing to the Core 7 253PE in Cinebench single-core tests. The Intel Core 7 253PE wins decisively in Cinebench R23 single-core by 40.8% and R15 single-core by 14.8%, but surprisingly loses R20 single-core by 14.9%. It also leads in PassMark integer math by 27.2% and data compression by 2%. These wins suggest the Core 7 253PE excels in integer arithmetic and specific compression algorithms, making it a strong choice for coding, financial modeling, and archive management. The R23 multi-core result is notable, with the Core 7 253PE winning by 24.7%, despite losing other multi-core tests—a signal of its higher thread count and larger L3 cache under certain sustained loads.

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Core Ultra X7 358H has an average benchmark score of 40967, compared to 40557 for the Intel Core 7 253PE, a difference of 410 points.

Q: How do the two compare in Cinebench R23 multi-core performance?

A: The Intel Core 7 253PE wins this test with a score of 24880 versus 18747 for the Ultra X7 358H, giving the Core 7 253PE a 24.7% advantage.

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

A: The Ultra X7 358H supports LPDDR5X with a memory bandwidth of 153.6 GB/s, while the Core 7 253PE supports DDR4/DDR5 with a bandwidth of 89.6 GB/s, a 64 GB/s gap in favor of the mobile part.

Q: Does either processor support ECC memory?

A: Yes, the Intel Core 7 253PE supports ECC memory, while the Intel Core Ultra X7 358H does not.

Q: Which processor has more cores and threads?

A: The Ultra X7 358H has 16 cores and 16 threads, whereas the Core 7 253PE has 10 cores and 20 threads, so the latter has more threads despite fewer cores.

Q: What are the TDP ratings for each processor?

A: The Ultra X7 358H has a TDP of 25 W, and the Core 7 253PE has a TDP of 65 W.

Head-to-Head Benchmarks

The largest win for the Intel Core Ultra X7 358H comes in PassMark find prime numbers, where its score of 337 dwarfs the Core 7 253PE's 138, a 144.2% margin. PassMark physics follows with a 63.7% lead (3021 vs 1845), and data encryption shows a 41.7% advantage (26046 vs 18385). Floating-point math yields a 28.4% win (103842 vs 80870), and extended instructions a 25.1% lead (27274 vs 21806). Random string sorting goes to the Ultra X7 358H by 23.1% (40357 vs 32777). Cinebench R15 multi-core results show a 20.7% win (3027 vs 2507), and PassMark multithread a 15.5% edge (33802 vs 29271). Cinebench R20 multi-core and single-core both favor the Ultra X7 358H by 14.9% (12011 vs 10449 and 1695 vs 1475, respectively). PassMark single-thread shows a modest 4.3% lead (4124 vs 3955). The Intel Core 7 253PE counters with its biggest win in Cinebench R23 single-core, scoring 3512 versus 2080, a 40.8% margin. Cinebench R23 multi-core follows with a 24.7% win (24880 vs 18747). PassMark integer math shows a 27.2% lead (114158 vs 83147), and Cinebench R15 single-core a 14.8% win (354 vs 301.5). Data compression is the closest contest, with the Core 7 253PE winning by 2% (339133 vs 332508).

Specification Differences

The two processors differ across nearly every core specification. The Intel Core Ultra X7 358H offers 16 cores and 16 threads, while the Intel Core 7 253PE provides 10 cores and 20 threads. Base clocks are 1.90 GHz for the Ultra X7 358H and 2.50 GHz for the Core 7 253PE, while boost clocks are 4.80 GHz and 5.50 GHz, respectively. TDP is 25 W versus 65 W. The Ultra X7 358H uses the Intel BGA 2540 socket, whereas the Core 7 253PE uses Intel Socket 1700. Process nodes are 3 nm and 10 nm, with codenames Panther Lake and Bartlett Lake, respectively. L1 cache is 192 KB per core on the Ultra X7 358H versus 80 KB per core on the Core 7 253PE. L2 cache similarly differs at 3 MB per core versus 2 MB per core, while L3 cache is 18 MB shared on the Ultra X7 358H and 33 MB shared on the Core 7 253PE. Memory support shows LPDDR5X on the Ultra X7 358H versus DDR4/DDR5 on the Core 7 253PE, with bandwidth at 153.6 GB/s versus 89.6 GB/s. ECC memory is unsupported on the Ultra X7 358H but supported on the Core 7 253PE. PCIe configurations are Gen 5 with 4 CPU lanes versus Gen 5 with 16 CPU lanes. Integrated graphics are Arc B390 on the Ultra X7 358H and UHD Graphics 730 on the Core 7 253PE. Market segments are Mobile and Desktop, respectively. The Core 7 253PE carries a launch MSRP of $384, while the Ultra X7 358H has no listed launch MSRP.