Intel Core i9-14900KS vs Intel Core Ultra X7 368H Comparison

The Verdict

The recorded data delivers an unambiguous outcome: the Intel Core i9-14900KS wins 16 of 17 head-to-head benchmarks against the Intel Core Ultra X7 368H. The desktop part leads by an average margin that ranges from 18.3% to 156.7% across workloads. The i9-14900KS is the choice for anyone building a desktop that prioritizes raw compute throughput, particularly multithreaded rendering, integer math, and data compression. The Core Ultra X7 368H, conversely, claims exactly one benchmark victory, PassMark find prime numbers, where it scores 321 versus 244, a 24% advantage. That single result, combined with its 25 TDP and mobile BGA socket, positions it as a low-power mobile processor for efficiency-focused laptops, not a performance competitor.

The data shows the i9-14900KS sits at the 96th percentile among all CPUs, while the Core Ultra X7 368H sits at the 87th percentile. The average benchmark score for the desktop chip is 81127, roughly double the mobile chip's 40518. For a desktop workstation or high-end gaming rig, the i9-14900KS is the only defensible pick from this comparison. For a thin-and-light laptop where battery life and thermals matter more than raw scores, the Core Ultra X7 368H's lower TDP and integrated Arc B390 graphics make it the sensible option, but only in that context.

Architecture Differences

The two processors come from different Intel generations and process nodes. The i9-14900KS uses Raptor Lake architecture, specifically the Raptor Lake-R refresh, built on Intel's 10 nm node with a die size of 257 mm². It belongs to the Core 14th Gen series and targets the desktop segment via Intel Socket 1700. The Core Ultra X7 368H uses the Panther Lake architecture, specifically Panther Lake-H, built on Intel's 3 nm node. It belongs to the Core Ultra Series 3 and targets mobile systems via Intel BGA 2540. The process node difference alone, 10 nm versus 3 nm, explains much of the efficiency gap, though the desktop part compensates with a 150 TDP against the mobile part's 25 TDP.

Core counts differ substantially. The i9-14900KS provides 24 cores and 32 threads, while the Core Ultra X7 368H provides 16 cores and 16 threads. The desktop chip has hyperthreading across all cores, doubling its thread count, whereas the mobile chip has a 1:1 core-to-thread ratio. Cache hierarchies also diverge. The i9-14900KS uses 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3 cache. The Core Ultra X7 368H uses 192 KB of L1 per core, 2.5 MB of L2 per core, and 18 MB of shared L3 cache. The desktop part's larger L3 pool benefits workloads with high data reuse, while the mobile part's larger per-core L1 and L2 caches reflect a different design priority for power efficiency.

Memory support separates the two clearly. The i9-14900KS supports DDR4 and DDR5 in dual-channel mode with ECC memory enabled. The Core Ultra X7 368H supports only LPDDR5X in dual-channel mode with a recorded memory bandwidth of 153.6 GB/s, and no ECC. PCIe lanes also differ: the desktop chip offers Gen 5 with 16 CPU lanes, while the mobile chip offers Gen 5 with only 4 CPU lanes. Integrated graphics differ as well, with the i9-14900KS using UHD Graphics 770 and the Core Ultra X7 368H using Arc B390. The desktop chip has an unlocked multiplier, while the mobile chip does not. The i9-14900KS launched on 2024-03-13 with a launch MSRP of $689. The Core Ultra X7 368H launched on 2026-01-04 with no recorded launch MSRP.

Head-to-Head Benchmarks

The most decisive wins for the i9-14900KS come in data compression and integer math. In PassMark data compression, the desktop chip scores 803368 against 312927, a 156.7% lead. In PassMark integer math, it scores 212644 against 88083, a 141.4% lead. Random string sorting shows a 135.7% advantage, with scores of 89789 versus 38093. These results indicate the i9-14900KS excels at tasks that hammer memory bandwidth and parallel integer execution, which are common in file compression, database operations, and scientific computing.

Cinebench results paint a consistent picture. Across R15, R20, and R23, both multicore and singlecore, the i9-14900KS leads by 80.7% to 80.8%. For example, Cinebench R23 multicore shows 50995 versus 28221, and R23 singlecore shows 7199 versus 3984. The consistency of the delta, roughly 81% across all Cinebench variants, suggests the architectural advantage scales uniformly with clock speed and core count rather than being workload-specific. The desktop chip's boost clock of 6.20 GHz versus the mobile chip's 5.00 GHz contributes directly to this single-threaded edge.

PassMark multithread delivers an 82.1% win for the i9-14900KS, with scores of 60012 versus 32956. Data encryption shows an 89.1% lead, 47717 versus 25228. Extended instructions show a 77.4% lead, 45524 versus 25669. Floating-point math shows a 45.7% lead, 153975 versus 105681. Physics simulation shows a smaller but still clear 18.3% lead, 3381 versus 2857. Single-thread performance shows a 20.2% lead, 4815 versus 4005. The only reversed result appears in PassMark find prime numbers, where the Core Ultra X7 368H scores 321 against 244, a 24% advantage. That single win suggests the Panther Lake architecture handles certain integer-heavy, low-parallelism algorithms more efficiently per clock, but the result is isolated and does not offset the broader performance gap.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core i9-14900KS has 24 cores and 32 threads. The Intel Core Ultra X7 368H has 16 cores and 16 threads. The desktop part also has an unlocked multiplier, while the mobile part is locked.

Q: Which processor has a higher boost clock?

A: The Intel Core i9-14900KS boosts to 6.20 GHz, while the Intel Core Ultra X7 368H boosts to 5.00 GHz. The base clocks are 3.20 GHz and 2.00 GHz, respectively.

Q: What is the memory bandwidth of the Core Ultra X7 368H?

A: The Core Ultra X7 368H supports LPDDR5X memory in dual-channel mode with a recorded memory bandwidth of 153.6 GB/s. The i9-14900KS supports DDR4 and DDR5 but has no recorded bandwidth figure in the database.

Q: Does the i9-14900KS support ECC memory?

A: Yes, the i9-14900KS supports ECC memory. The Core Ultra X7 368H does not support ECC.

Q: Which processor wins in Cinebench R23 multicore, and by how much?

A: The i9-14900KS wins Cinebench R23 multicore with a score of 50995 versus 28221 for the Core Ultra X7 368H, a delta of 80.7%.

Q: Is there any benchmark where the Core Ultra X7 368H beats the i9-14900KS?

A: Yes, in PassMark find prime numbers, the Core Ultra X7 368H scores 321 versus 244 for the i9-14900KS, a 24% advantage. This is the only benchmark out of 17 where the mobile part wins.

Where Each One Wins

The i9-14900KS dominates every compute-heavy category recorded. In multithreaded rendering workloads like Cinebench R15, R20, and R23, it leads by roughly 81% across both multicore and singlecore tests. That makes it the clear pick for 3D rendering, video encoding, and any CPU-bound creative application that scales across cores. In data compression, integer math, and random string sorting, the desktop part leads by 135.7% to 156.7%, making it the better choice for file archiving, database processing, and scientific simulation. Encryption workloads show an 89.1% lead, so it also suits secure data handling. Floating-point math, extended instructions, and multithread performance all favor the desktop chip by margins from 45.7% to 82.1%, covering physics simulation, numerical analysis, and parallel compute tasks.

The Core Ultra X7 368H wins only in PassMark find prime numbers, where it leads by 24%. This indicates a relative strength in algorithms that involve primality testing or similar modular arithmetic, likely benefiting from its larger per-core L1 cache of 192 KB and per-core L2 cache of 2.5 MB. However, that single victory does not translate into a broader use-case recommendation for compute performance. The mobile part's real advantages lie outside the benchmark scores: its 25 TDP versus 150 TDP, its 3 nm process node versus 10 nm, and its integrated Arc B390 graphics versus UHD Graphics 770. For a portable laptop where the CPU must share thermal and power budgets with other components, the Core Ultra X7 368H is the appropriate choice. For a desktop workstation with adequate cooling and power delivery, the i9-14900KS wins every meaningful performance metric.

Specification Differences

The two processors differ across nearly every specification field. The i9-14900KS uses the Raptor Lake architecture on a 10 nm node with a 257 mm² die size, while the Core Ultra X7 368H uses Panther Lake on a 3 nm node with no recorded die size. Core counts are 24 versus 16, and thread counts are 32 versus 16. Base clocks are 3.20 GHz versus 2.00 GHz, and boost clocks are 6.20 GHz versus 5.00 GHz. TDP is 150 versus 25. Sockets differ: Intel Socket 1700 for the desktop part, Intel BGA 2540 for the mobile part.

Cache configurations show distinct approaches. The i9-14900KS has 80 KB L1 per core, 2 MB L2 per core, and 36 MB shared L3. The Core Ultra X7 368H has 192 KB L1 per core, 2.5 MB L2 per core, and 18 MB shared L3. Memory support differs: DDR4 and DDR5 for the desktop part, LPDDR5X only for the mobile part, with the mobile part recording 153.6 GB/s bandwidth. ECC support is present on the desktop part but absent on the mobile part. PCIe lanes are 16 versus 4, both Gen 5. Integrated graphics are UHD Graphics 770 versus Arc B390. The desktop part has an unlocked multiplier; the mobile part does not. Release dates are 2024-03-13 for the i9-14900KS and 2026-01-04 for the Core Ultra X7 368H. The i9-14900KS has a launch MSRP of $689; the Core Ultra X7 368H has no recorded launch MSRP. The desktop part carries part number SRN7R, while the mobile part carries SA4R7Q9EJ.