Intel Core i7-14700 vs Intel Core Ultra X7 358H Comparison

Head-to-Head Benchmarks

The benchmark data shows the Intel Core i7-14700 winning 14 of 17 head-to-head tests, with the Intel Core Ultra X7 358H taking 3 wins. The scale of the i7-14700's victories is substantial in several workloads.

The largest single margin comes in PassMark integer math, where the i7-14700 scores 154535 against the Ultra X7 358H's 83147, a delta of 85.9%. This indicates a major advantage in arithmetic-heavy integer operations, likely reflecting the desktop chip's higher core count, higher thread count, and more mature platform.

Cinebench R23 multicore shows the i7-14700 at 28398 versus 18747 for the Ultra X7 358H, a 51.5% advantage. The same pattern appears in Cinebench R15 multicore, where the i7-14700 scores 4061 against 3027, a 34.2% lead. PassMark data compression also favors the desktop part heavily: 498198 versus 332508, a 49.8% delta. PassMark random string sorting goes to the i7-14700 by 34.6% (54340 versus 40357).

More moderate multicore wins appear in Cinebench R20, where the i7-14700 leads 14388 to 12011 (19.8%), and PassMark multithread, where it leads 40318 to 33802 (19.3%). PassMark data encryption shows a 13.6% edge for the i7-14700 (29601 versus 26046), while PassMark extended instructions is closer at 4.1% (28388 versus 27274). PassMark floating point math shows a slim 2.8% advantage for the i7-14700 (106716 versus 103842).

Single-thread results are close. In Cinebench R23 single-core, both CPUs record exactly 2080, a 0% delta. PassMark single-thread goes to the i7-14700 by 2.7% (4236 versus 4124). Cinebench R15 single-core is the exception: the Ultra X7 358H wins by a negligible 0.8% (301.5 versus 299). Cinebench R20 single-core, however, favors the i7-14700 by 19.8% (2031 versus 1695).

The Ultra X7 358H's other two wins are notable for their magnitude. PassMark find prime numbers shows the mobile chip at 337 versus 164 for the i7-14700, a 51.3% advantage. PassMark physics goes to the Ultra X7 358H by 26.3% (3021 versus 2226). These results suggest the newer Panther Lake architecture handles certain specialized workloads with greater efficiency, even while losing most general-purpose tests.

The average benchmark score reflects the overall gap: the i7-14700 sits at 52301, while the Ultra X7 358H averages 40967. The i7-14700 ranks in the 91st percentile among all CPUs, while the Ultra X7 358H ranks in the 87th. In the database nearest-rival comparison, the i7-14700's closest competitor is the Intel Xeon Gold 5320H at 52431 (0.2% higher), followed by the AMD EPYC 8124P at 52121 (0.3% lower). The Ultra X7 358H's nearest rival is the Intel Core Ultra 7 366H at 41263 (0.7% higher), with the AMD Ryzen AI 5 PRO 440 at 41208 (0.6% lower).

The Verdict

The data presents a clear split by workload type. The Intel Core i7-14700 is the stronger processor for multithreaded productivity, integer math, data compression, encryption, and most rendering tasks. Its 51.5% lead in Cinebench R23 multicore and 85.9% lead in integer math are decisive. Users running CPU-heavy desktop workloads that scale with cores and threads will see the largest benefit from the i7-14700.

The Intel Core Ultra X7 358H wins in prime number computation and physics simulation, with 51.3% and 26.3% leads respectively. It also ties the i7-14700 in Cinebench R23 single-core and edges ahead in Cinebench R15 single-core by 0.8%. This pattern suggests the Panther Lake architecture delivers strong per-core efficiency in specific algorithmic patterns, but it does not translate into broad superiority across the benchmark suite.

The i7-14700 has a percentile ranking of 91 versus 87 for the Ultra X7 358H, and its average benchmark score is 52301 versus 40967. The desktop chip also has a 65 W TDP compared to 25 W for the mobile part, which partially explains the performance difference: the i7-14700 is designed for sustained high output on a desktop platform, while the Ultra X7 358H targets power-constrained mobile systems. The i7-14700's 20 cores and 28 threads versus 16 cores and 16 threads for the Ultra X7 358H is the structural reason behind most multicore deltas.

For single-thread responsiveness, the two are effectively matched. The 0% delta in Cinebench R23 single-core and the 2.7% PassMark single-thread edge for the i7-14700 mean that day-to-day lightly threaded tasks will not show a meaningful difference. The choice between these two processors depends on whether the workload is multicore-heavy desktop computing or specialized single-thread and physics-oriented tasks in a mobile form factor.

Architecture Differences

The Intel Core i7-14700 uses the Raptor Lake architecture, specifically Raptor Lake-R, built on a 10 nm process at Intel's foundry. It belongs to the Core 14th Gen series and is classified as a desktop part. The die size is 257 mm². The Ultra X7 358H uses the Panther Lake codename, belongs to the Core Ultra Series 3, and is built on a 3 nm process, also at Intel's foundry. It is a mobile part with a BGA 2540 socket, while the i7-14700 uses Intel Socket 1700.

Core and thread counts differ substantially. The i7-14700 has 20 cores and 28 threads, while the Ultra X7 358H has 16 cores and 16 threads. The cache hierarchy is also different. The i7-14700 has 80 KB of L1 per core, 2 MB of L2 per core, and 33 MB of shared L3. The Ultra X7 358H has 192 KB of L1 per core, 3 MB of L2 per core, and 18 MB of shared L3. The mobile chip therefore has more per-core L1 and L2, but less than half the shared L3.

Clock speeds favor the desktop part. The i7-14700 has a base clock of 2.10 GHz and a boost clock of 5.40 GHz. The Ultra X7 358H has a base clock of 1.90 GHz and a boost clock of 4.80 GHz. Power envelopes are very different: the i7-14700 is rated at 65 W TDP, while the Ultra X7 358H is rated at 25 W.

Memory support diverges completely. The i7-14700 supports DDR4 and DDR5 in a dual-channel configuration, with ECC memory support. The Ultra X7 358H supports only LPDDR5X in dual-channel, with a recorded memory bandwidth of 153.6 GB/s, and no ECC support. PCIe lanes also differ: the i7-14700 provides Gen 5 with 16 lanes (CPU only), while the Ultra X7 358H provides Gen 5 with only 4 lanes (CPU only).

Integrated graphics differ as well. The i7-14700 uses UHD Graphics 770, while the Ultra X7 358H uses Arc B390. The i7-14700 has a launch MSRP of $384; the Ultra X7 358H has no recorded launch MSRP. The i7-14700 was released on 2024-01-07, and the Ultra X7 358H on 2026-01-04. Both have unlocked multipliers set to false.

FAQ

Q: Which processor has the higher boost clock?

A: The Intel Core i7-14700 has a boost clock of 5.40 GHz, while the Intel Core Ultra X7 358H boosts to 4.80 GHz.

Q: How do the two compare in Cinebench R23 multicore?

A: The i7-14700 scores 28398 versus 18747 for the Ultra X7 358H, a 51.5% advantage for the desktop chip.

Q: Does the Ultra X7 358H win any benchmark tests?

A: Yes, it wins PassMark find prime numbers by 51.3% (337 versus 164), PassMark physics by 26.3% (3021 versus 2226), and Cinebench R15 single-core by 0.8% (301.5 versus 299).

Q: What is the memory bandwidth of the Ultra X7 358H?

A: The Ultra X7 358H has a recorded memory bandwidth of 153.6 GB/s, using LPDDR5X memory. The i7-14700 supports DDR4 and DDR5 but has no recorded memory bandwidth figure.

Q: How do the core counts compare?

A: The i7-14700 has 20 cores and 28 threads, while the Ultra X7 358H has 16 cores and 16 threads.

Q: Which chip supports ECC memory?

A: The i7-14700 supports ECC memory. The Ultra X7 358H does not.

Where Each One Wins

The Intel Core i7-14700 wins in the majority of tested workloads. Its largest margins come in PassMark integer math (85.9%), Cinebench R23 multicore (51.5%), PassMark data compression (49.8%), and PassMark random string sorting (34.6%). It also leads in Cinebench R15 multicore (34.2%), Cinebench R20 multicore (19.8%), Cinebench R20 single-core (19.8%), PassMark multithread (19.3%), PassMark data encryption (13.6%), PassMark extended instructions (4.1%), PassMark floating point math (2.8%), and PassMark single-thread (2.7%). It ties in Cinebench R23 single-core.

The Intel Core Ultra X7 358H wins in PassMark find prime numbers (51.3%), PassMark physics (26.3%), and Cinebench R15 single-core (0.8%). These wins are concentrated in specific algorithmic patterns: prime number generation and physics simulation. The prime number result in particular stands out, as the Ultra X7 358H more than doubles the i7-14700's score despite losing most other tests.

The use-case split follows the benchmark pattern. For CPU-bound desktop tasks that use many cores, such as multi-threaded rendering, compression, encryption, and integer-heavy computation, the i7-14700 is the stronger part. For workloads that stress prime number computation, physics simulation, or lightly threaded tasks that benefit from the Ultra X7 358H's per-core L2 cache, the mobile chip has a measurable edge. The 3 nm Panther Lake process and larger per-core L1 (192 KB versus 80 KB) and L2 (3 MB versus 2 MB) caches likely contribute to these specialized wins, even though the i7-14700's higher core count and larger shared L3 (33 MB versus 18 MB) dominate overall throughput.

Specification Differences

The two processors differ in every major specification category. The i7-14700 has 20 cores and 28 threads; the Ultra X7 358H has 16 cores and 16 threads. Base clocks are 2.10 GHz versus 1.90 GHz, and boost clocks are 5.40 GHz versus 4.80 GHz. TDP is 65 W versus 25 W.

The socket is Intel Socket 1700 for the i7-14700 and Intel BGA 2540 for the Ultra X7 358H. The process node is 10 nm for the i7-14700 and 3 nm for the Ultra X7 358H. The die size is 257 mm² for the i7-14700, with no recorded die size for the Ultra X7 358H.

Cache differs per level: L1 is 80 KB per core for the i7-14700 versus 192 KB per core for the Ultra X7 358H; L2 is 2 MB per core versus 3 MB per core; L3 is 33 MB shared versus 18 MB shared. Memory support is DDR4 and DDR5 for the i7-14700 versus LPDDR5X only for the Ultra X7 358H. The Ultra X7 358H has a recorded memory bandwidth of 153.6 GB/s; the i7-14700 has no recorded bandwidth figure. ECC memory is supported on the i7-14700 but not on the Ultra X7 358H.

PCIe is Gen 5 with 16 lanes for the i7-14700 versus Gen 5 with 4 lanes for the Ultra X7 358H. Integrated graphics are UHD Graphics 770 versus Arc B390. The i7-14700 has a launch MSRP of $384; the Ultra X7 358H has no recorded launch MSRP. Release dates are 2024-01-07 for the i7-14700 and 2026-01-04 for the Ultra X7 358H. Neither chip has an unlocked multiplier.