Intel Core 5 120U vs Intel Core i9-14901KE Comparison

Intel Core 5 120U and Intel Core i9-14901KE target different market segments, and the recorded data illustrates a clear split in capabilities. The Core 5 120U is a mobile processor with a 15 TDP, while the Core i9-14901KE is a desktop part with a 125 TDP. The database shows no head-to-head benchmark results between the two, and the Core i9-14901KE has no recorded benchmark scores or nearest rivals. Analysis therefore relies on the Core 5 120U’s extensive benchmark data and the architectural specifications of both parts.

The Verdict

The data indicates that the Intel Core 5 120U is designed for power-constrained mobile systems. Its 15 TDP, 10 cores, 12 threads, and 1.40 GHz base clock with a 5.00 GHz boost clock position it for thin-and-light laptops where sustained multi-core loads are secondary to efficiency. Benchmark results show a 72nd percentile ranking among all CPUs, with an average benchmark score of 17898. Its nearest rivals include the AMD Ryzen 5 3600XT with an average score of 17891 (0% delta), the Intel Core 5 221TE at 17860 (0.2% delta), and the AMD Ryzen 5 1600 at 17994 (-0.5% delta). The Intel Core 7 350 trails at 17779 (0.7% delta). This places the Core 5 120U in a competitive mid-range tier, but its performance is far from flagship territory.

The Intel Core i9-14901KE, conversely, is a desktop processor with 8 cores, 16 threads, a 3.80 GHz base clock, and a 5.80 GHz boost clock. Its 125 TDP and 36 MB of shared L3 cache indicate a focus on sustained high-performance workloads. The processor uses a 257 mm² die size, supports ECC memory, and has a Gen 5 PCIe interface with 16 lanes. With no benchmark scores or rivals in the database, the Core i9-14901KE cannot be quantitatively compared to the Core 5 120U. The verdict must therefore be based on specifications: users needing a mobile processor with integrated graphics and low power draw should consider the Core 5 120U, while those requiring a desktop part with higher base clocks, more cache, and PCIe Gen 5 support should evaluate the Core i9-14901KE. The absence of benchmark data for the latter prevents any performance verdict.

Architecture Differences

Both processors share the Raptor Lake architecture and are manufactured on Intel’s 10 nm process node. The Core 5 120U uses the Raptor Lake-U codename and belongs to the Core 5 generation. It features 10 cores and 12 threads, with an L1 cache of 80 KB per core, an L2 cache of 1.25 MB per core, and a 12 MB shared L3 cache. The Core i9-14901KE uses the Raptor Lake-R codename and belongs to the Core 14th Gen series, specifically the Core i9 (Raptor Lake Refresh) generation. It has 8 cores and 16 threads, an L1 cache of 80 KB per core, an L2 cache of 2 MB per core, and a 36 MB shared L3 cache. The Core i9-14901KE’s L3 cache is three times larger than the Core 5 120U’s, which benefits workloads with large working sets.

The Core 5 120U has a 1.40 GHz base clock and a 5.00 GHz boost clock. The Core i9-14901KE has a 3.80 GHz base clock and a 5.80 GHz boost clock. The desktop part’s base clock is 2.40 GHz higher, and its boost clock is 0.80 GHz higher. The Core 5 120U operates at 15 TDP, while the Core i9-14901KE operates at 125 TDP, a difference of 110 watts. This explains the mobile part’s lower clock speeds, as thermal and power limits are tighter in portable systems.

Socket and platform differences are significant. The Core 5 120U uses Intel BGA 1744, a soldered mobile socket, while the Core i9-14901KE uses Intel Socket 1700, a desktop LGA socket. The Core 5 120U supports PCIe Gen 4 with 8 lanes from the CPU, while the Core i9-14901KE supports PCIe Gen 5 with 16 lanes from the CPU. The desktop part’s PCIe Gen 5 interface provides double the bandwidth per lane and double the lane count. Memory support is identical in type, with both supporting DDR4 and DDR5 in a dual-channel configuration. ECC memory is supported only on the Core i9-14901KE. The Core 5 120U includes integrated Iris Xe Graphics 80EU, while the Core i9-14901KE includes UHD Graphics 770. The multiplier is unlocked on the Core i9-14901KE, allowing overclocking, whereas the Core 5 120U has a locked multiplier.

The Core 5 120U was released on January 7, 2024, and the Core i9-14901KE was released on June 30, 2024. Both are active production parts. The Core 5 120U has part number SRM7P, and the Core i9-14901KE has part number Q49DSRNJC.

Where Each One Wins

The Core 5 120U wins in scenarios where power efficiency is paramount. Its 15 TDP allows passive cooling solutions in ultraportable devices. The integrated Iris Xe Graphics 80EU provides moderate graphical output without a discrete GPU. For light productivity, web browsing, and media consumption, the Core 5 120U’s 10 cores and 12 threads handle typical multithreaded tasks adequately. Benchmark results show a Cinebench R23 multi-core score of 6659 and a single-core score of 1756.5. Geekbench multi-core is 5888, and single-core is 1727. PassMark single-thread is 3479. These scores indicate a capable mobile processor for everyday use.

The Core i9-14901KE wins in scenarios requiring high sustained throughput. Its 125 TDP, 8 cores, and 16 threads with a 5.80 GHz boost clock are suited for desktop workstations. The 36 MB L3 cache reduces memory latency for large datasets. PCIe Gen 5 with 16 lanes supports high-bandwidth add-in cards such as GPUs and NVMe drives. ECC memory support is critical for data integrity in server-like or professional workloads. The unlocked multiplier allows fine-tuned overclocking. Without benchmark scores, the Core i9-14901KE’s exact performance cannot be quantified, but the specifications indicate a strong desktop contender.

The Core 5 120U’s nearest rivals show its position: it performs on par with the AMD Ryzen 5 3600XT (0% delta), slightly ahead of the Intel Core 5 221TE (0.2% delta), and slightly behind the AMD Ryzen 5 1600 (-0.5% delta). The Intel Core 7 350 is 0.7% slower. These deltas are within a 1.2% range, meaning the Core 5 120U is effectively in a dead heat with these mid-range CPUs. For mobile users, this is a strong result, as these rivals are desktop or higher-power parts. The Core i9-14901KE has no such comparisons available.

FAQ

Q: Which processor has more cores?

A: The Intel Core 5 120U has 10 cores, while the Intel Core i9-14901KE has 8 cores. However, the Core i9-14901KE has 16 threads versus 12 threads on the Core 5 120U, due to hyper-threading on all 8 cores.

Q: What is the difference in L3 cache size?

A: The Core 5 120U has 12 MB of shared L3 cache, while the Core i9-14901KE has 36 MB of shared L3 cache. The Core i9-14901KE’s cache is three times larger.

Q: Do both processors support the same memory types?

A: Yes, both support DDR4 and DDR5 memory in a dual-channel configuration. The Core i9-14901KE additionally supports ECC memory, which the Core 5 120U does not.

Q: What are the boost clock speeds?

A: The Core 5 120U has a boost clock of 5.00 GHz, and the Core i9-14901KE has a boost clock of 5.80 GHz. The Core i9-14901KE’s boost is 0.80 GHz higher.

Q: Are both processors from the same architecture generation?

A: Both use the Raptor Lake architecture and are built on Intel’s 10 nm process. The Core 5 120U belongs to the Core 5 (Raptor Lake-U) generation, while the Core i9-14901KE belongs to the Core i9 (Raptor Lake Refresh) generation.

Q: Which processor has a higher base clock?

A: The Core i9-14901KE has a base clock of 3.80 GHz, compared to the Core 5 120U’s 1.40 GHz. The difference is 2.40 GHz.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark results between the Intel Core 5 120U and the Intel Core i9-14901KE. Additionally, the Core i9-14901KE has no independent benchmark scores recorded, so no performance comparison can be derived from the data. The Core 5 120U’s benchmarks are extensive, with results across Cinebench, Geekbench, and PassMark tests. The Core i9-14901KE’s benchmark array is empty.

For the Core 5 120U, the strongest multi-core scores are: Cinebench R15 multi-core at 1150.5, Cinebench R20 multi-core at 5349, and Cinebench R23 multi-core at 6659. Geekbench multi-core is 5888. PassMark multithread score is 15042, with integer math at 52280, floating-point math at 36026, and extended instructions at 9299. Data compression scores 166432, data encryption scores 10453, and random string sorting scores 19060. Physics scores 937, and find prime numbers scores 53. Single-core performance includes Cinebench R15 single-core at 245, Cinebench R20 single-core at 755, Cinebench R23 single-core at 1756.5, Geekbench single-core at 1727, and PassMark single-thread at 3479.

Given the absence of data for the Core i9-14901KE, the only available comparison is architectural. The Core i9-14901KE’s higher base clock (3.80 GHz vs 1.40 GHz) and boost clock (5.80 GHz vs 5.00 GHz) suggest higher single-thread performance, but this is not confirmed by benchmarks. Its larger L3 cache (36 MB vs 12 MB) and higher TDP (125 vs 15) point to superior sustained multi-core capability. Yet, without scores, these are inferences rather than measurements. The database records no wins for either processor in a head-to-head context. Therefore, any claim of victory for either part is unsupported by the data. The Core 5 120U’s percentile rank of 72 places it above the median CPU, while the Core i9-14901KE’s percentile rank of 50 is exactly median, but this rank is based on an average benchmark score of 0, which is not meaningful due to missing data.

The nearest rivals for the Core 5 120U provide context: the AMD Ryzen 5 3600XT matches its average score exactly (17891 vs 17898, 0% delta), the Intel Core 5 221TE is 0.2% slower, the AMD Ryzen 5 1600 is 0.5% faster, and the Intel Core 7 350 is 0.7% slower. These deltas are minimal, indicating that the Core 5 120U’s performance is highly competitive in its tier. For the Core i9-14901KE, no such comparisons exist, leaving its relative performance undefined.

The data confirms that the Core 5 120U is a well-measured mobile processor, while the Core i9-14901KE lacks any benchmark reporting. This asymmetry prevents a direct quantitative comparison. The specifications suggest different roles: the Core 5 120U for portable efficiency, the Core i9-14901KE for desktop power. Without benchmark numbers for the latter, the analysis must stop at the specification level.