Intel Core i5-14600 vs Intel Core Ultra X7 358H Comparison

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core Ultra X7 358H has 16 cores and 16 threads, while the Intel Core i5-14600 has 14 cores and 20 threads. The i5-14600 offers more threads due to Hyper-Threading support, although the Ultra X7 has a higher physical core count.

Q: What are the Cinebench R23 multi-core scores for both CPUs?

A: The Intel Core i5-14600 scores 30,464 in Cinebench R23 multi-core, while the Intel Core Ultra X7 358H scores 18,747. This gives the i5-14600 a 62.5% advantage in this test.

Q: How do the two CPUs compare in single-threaded performance?

A: The Intel Core i5-14600 wins the Cinebench R23 single-core test with 4,300 points versus 2,080 for the Ultra X7 358H, a 106.7% lead. In PassMark single-thread, the difference narrows to just 1%, with the i5-14600 scoring 4,167 and the Ultra X7 scoring 4,124.

Q: Which CPU has a higher boost clock speed?

A: The Intel Core i5-14600 boosts up to 5.20 GHz, while the Intel Core Ultra X7 358H boosts to 4.80 GHz. The i5-14600 also has a higher base clock at 2.70 GHz versus 1.90 GHz.

Q: What memory types do the two processors support?

A: The Intel Core i5-14600 supports DDR4 and DDR5 memory. The Intel Core Ultra X7 358H supports LPDDR5X memory and has a recorded memory bandwidth of 153.6 GB/s. Both use dual-channel memory buses.

Q: What is the PassMark physics score difference?

A: The Intel Core Ultra X7 358H scores 3,021 in PassMark physics, which is 22.9% higher than the i5-14600's 2,330. This is one of the five benchmark wins for the Ultra X7.

Architecture Differences

The Intel Core i5-14600 belongs to the Core 14th Gen series and uses the Raptor Lake-R architecture, built on Intel's 10 nm process node. It is a desktop processor designed for Intel Socket 1700. The die size is recorded at 257 mm². The Intel Core Ultra X7 358H belongs to the Core Ultra Series 3, uses the Panther Lake codename with the Panther Lake-H generation, and is manufactured on a 3 nm process node. It is a mobile processor using Intel BGA 2540. The Ultra X7 does not have a recorded architecture or die size in the database.

Cache configurations differ substantially. The i5-14600 has 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 24 MB of shared L3 cache. The Ultra X7 358H has 192 KB of L1 cache per core, 3 MB of L2 cache per core, and 18 MB of shared L3 cache. The i5-14600 therefore offers more total L3 cache, while the Ultra X7 provides larger per-core L1 and L2 allocations.

Integrated graphics differ as well. The i5-14600 uses UHD Graphics 770, while the Ultra X7 358H integrates Arc B390 graphics. PCIe support is another distinguishing factor: the i5-14600 provides Gen 5 with 16 lanes (CPU only), whereas the Ultra X7 provides Gen 5 with 4 lanes (CPU only).

ECC memory support is present on the i5-14600, but not on the Ultra X7 358H. The i5-14600 has a TDP of 65 watts, while the Ultra X7 has a TDP of 25 watts, reflecting the desktop versus mobile design targets. The release dates are separated by two years: the i5-14600 launched on 2024-01-07, and the Ultra X7 358H launched on 2026-01-04. The i5-14600 has a launch MSRP of $255. The Ultra X7 has no recorded launch MSRP. Neither processor has an unlocked multiplier. The part numbers are SRN44 for the i5-14600 and SA4RAQ9ET for the Ultra X7 358H.

Where Each One Wins

The Intel Core i5-14600 dominates in multi-threaded productivity workloads. It wins 12 of the 17 head-to-head benchmark comparisons. The largest margins come from Cinebench R23 multi-core, where it leads by 62.5%, and Cinebench R23 single-core, where it leads by 106.7%. The i5-14600 also wins Cinebench R15 multi-core by 1.4%, Cinebench R15 single-core by 43.6%, Cinebench R20 multi-core by 6.5%, Cinebench R20 single-core by 6.5%, PassMark integer math by 40.8%, PassMark data compression by 30.7%, PassMark multithread by 6.1%, PassMark random string sorting by 19%, and PassMark single-thread by 1%.

The Intel Core Ultra X7 358H wins 5 benchmarks, and these wins are concentrated in specific instruction-heavy and specialized workloads. It leads PassMark find prime numbers by 54%, PassMark floating point math by 17.4%, PassMark physics by 22.9%, PassMark extended instructions by 5.9%, and PassMark data encryption by 3.7%. These results indicate that the Ultra X7 has strengths in floating-point arithmetic, prime number calculations, physics simulation, and encryption tasks, despite its lower overall core clock speeds.

The overall benchmark averages reflect this split. The i5-14600 has an average benchmark score of 44,889 and sits at the 89th percentile among all CPUs. The Ultra X7 358H has an average benchmark score of 40,967 and sits at the 87th percentile. The i5-14600's nearest rivals are the Intel Core i9-12900KS (0.5% behind), the AMD EPYC 4344P (0.5% behind), the AMD Ryzen 5 7500X3D (0.7% ahead), and the Intel Core Ultra X9 388H (1% ahead). The Ultra X7 358H's nearest rivals are the AMD Ryzen AI 5 PRO 440 (0.6% ahead), the Intel Core Ultra 7 356H (0.6% ahead), the AMD Ryzen AI 5 PRO 435G (0.6% behind), and the Intel Core Ultra 7 366H (0.7% ahead).

Specification Differences

The two processors differ in nearly every core specification. The i5-14600 has 14 cores and 20 threads, while the Ultra X7 358H has 16 cores and 16 threads. Base clocks are 2.70 GHz versus 1.90 GHz, and boost clocks are 5.20 GHz versus 4.80 GHz. The i5-14600 has a TDP of 65 watts, while the Ultra X7 has a TDP of 25 watts.

Memory support is different: the i5-14600 accepts DDR4 and DDR5, while the Ultra X7 accepts LPDDR5X. The Ultra X7 has a recorded memory bandwidth of 153.6 GB/s; the i5-14600 does not have a memory bandwidth figure in the database. ECC memory is supported on the i5-14600, but not on the Ultra X7 358H.

PCIe lane counts differ significantly: the i5-14600 offers 16 Gen 5 lanes, while the Ultra X7 offers 4 Gen 5 lanes. The i5-14600 uses Intel Socket 1700, while the Ultra X7 uses Intel BGA 2540. The integrated graphics are UHD Graphics 770 on the i5-14600 and Arc B390 on the Ultra X7.

Cache layouts differ: the i5-14600 has 80 KB L1 per core, 2 MB L2 per core, and 24 MB shared L3. The Ultra X7 has 192 KB L1 per core, 3 MB L2 per core, and 18 MB shared L3. The process nodes are 10 nm for the i5-14600 and 3 nm for the Ultra X7. The i5-14600 has a die size of 257 mm², while the Ultra X7 has no die size recorded. The release dates are 2024-01-07 for the i5-14600 and 2026-01-04 for the Ultra X7. The i5-14600 has a launch MSRP of $255, while the Ultra X7 has no recorded MSRP.

Head-to-Head Benchmarks

The Cinebench suite shows the largest performance gaps. In Cinebench R23 multi-core, the i5-14600 scores 30,464 versus 18,747 for the Ultra X7, a 62.5% lead. The single-core version is even more lopsided: 4,300 versus 2,080, a 106.7% advantage for the i5-14600. These results indicate that the desktop chip offers more than double the single-threaded rendering performance in this workload.

Cinebench R15 and R20 show similar but smaller trends. In Cinebench R15 multi-core, the i5-14600 scores 3,070 versus 3,027, a 1.4% margin. In Cinebench R15 single-core, the i5-14600 leads 433 versus 301.5, a 43.6% margin. In Cinebench R20 multi-core, the i5-14600 scores 12,794 versus 12,011, a 6.5% lead. In Cinebench R20 single-core, the i5-14600 leads 1,806 versus 1,695, also a 6.5% margin.

PassMark integer math strongly favors the i5-14600, with a score of 117,078 versus 83,147, a 40.8% lead. PassMark data compression gives the i5-14600 a 30.7% advantage with 434,620 points versus 332,508. PassMark multithread shows a 6.1% lead for the i5-14600 (35,848 versus 33,802), and PassMark random string sorting gives the i5-14600 a 19% edge (48,043 versus 40,357). PassMark single-thread is nearly tied, with the i5-14600 at 4,167 and the Ultra X7 at 4,124, a 1% difference.

The Ultra X7 358H wins its benchmarks with notable margins. PassMark find prime numbers is its strongest result: 337 versus 155, a 54% advantage for the Ultra X7. PassMark floating point math goes to the Ultra X7 with 103,842 versus 85,759, a 17.4% lead. PassMark physics favors the Ultra X7 at 3,021 versus 2,330, a 22.9% margin. PassMark extended instructions gives the Ultra X7 a 5.9% lead (27,274 versus 25,674), and PassMark data encryption shows a 3.7% edge (26,046 versus 25,082).

The overall win count stands at 12 for the i5-14600 and 5 for the Ultra X7 358H. The i5-14600's average benchmark score of 44,889 places it at the 89th percentile, while the Ultra X7's 40,967 places it at the 87th percentile. The i5-14600's nearest rival, the Intel Core i9-12900KS, scores 45,094, only 0.5% higher. The Ultra X7's nearest rival, the AMD Ryzen AI 5 PRO 440, scores 41,208, only 0.6% higher. These proximity values indicate that both processors sit within a narrow performance band relative to their closest competitors.