Intel Core 5 120HL vs Intel Core i5-14501E Comparison

Head-to-Head Benchmarks

The two processors share a socket, a manufacturer, and a 10 nm process node, but their physical configurations split them into different performance classes. The Core 5 120HL delivers 12 cores and 16 threads, while the Core i5-14501E uses 6 cores and 12 threads. That 2x core advantage for the 120HL suggests a substantial lead in multi-threaded workloads, though the 14501E counters with a significantly higher boost clock: 5.20 GHz versus 4.70 GHz. The recorded data shows no benchmark scores for either chip, so the comparison rests entirely on architectural specifications and clock behavior.

The 14501E also holds a higher base clock at 3.30 GHz, a full 0.70 GHz above the 120HL's 2.60 GHz. In lightly threaded tasks that scale with frequency, the 14501E should pull ahead, as the single-core ceiling is 0.50 GHz higher. The 120HL, however, brings four additional physical cores and four additional threads, which directly expands parallel throughput capacity. The data indicates a trade-off: the 14501E favors speed per thread, the 120HL favors thread count.

Cache hierarchies diverge as well. The 120HL uses 2 MB of L2 per core, while the 14501E uses 1.25 MB per core. But the 14501E carries 24 MB of shared L3 cache, against 18 MB for the 120HL. That 6 MB difference in last-level cache could benefit the 14501E in workloads with large working sets, even though the 120HL has more aggregate L2 across its 12 cores (24 MB total versus 7.5 MB total for the 14501E). The L1 cache is identical at 80 KB per core.

Power envelopes differ notably. The 120HL is rated at 45 W TDP, the 14501E at 65 W. The 14501E consumes more power on paper, which aligns with its higher clock speeds, but the 120HL achieves its core count within a lower thermal ceiling. The data does not include measured power consumption, so no conclusion about real-world efficiency is possible beyond the rated figures.

PCIe support splits the pair. The 120HL offers PCIe Gen 4 with 8 CPU lanes; the 14501E offers PCIe Gen 5 with 16 CPU lanes. That is a major interface difference. The 14501E doubles the lane count and moves to a newer generation, which matters for GPU bandwidth and NVMe storage expansion. The 120HL's narrower, older PCIe implementation limits its expansion potential.

Integrated graphics also differ. The 120HL uses Iris Xe Graphics with 80 execution units; the 14501E uses UHD Graphics 770. No benchmark scores exist for either iGPU, so the comparison stops at the specification sheet.

Memory support is identical: both support DDR4 and DDR5, both use a dual-channel bus. ECC memory is supported only on the 14501E, which targets embedded and workstation uses. The 120HL lacks ECC support entirely.

Release timing places the 120HL earlier, with a launch date of April 7, 2024, while the 14501E arrived June 30, 2024. Both remain in active production. The 120HL carries a launch MSRP of $279; the 14501E has no recorded launch MSRP.

Neither processor has any head-to-head benchmark entries, no wins recorded on either side, and both sit at the 50th percentile against all CPUs in the database, with an average benchmark score of zero. The absence of measured data means the quantitative comparison depends on clock, core, cache, and interface specifications.

Where Each One Wins

The 120HL wins in multi-threaded scenarios. Twelve cores and sixteen threads provide a clear structural advantage for parallel compilation, rendering, encoding, or virtualization workloads. The lower 45 W TDP also suggests it can sustain heavy all-core loads within a tighter power budget, though the data does not confirm actual sustained clocks under load.

The 14501E wins in single-threaded and lightly threaded scenarios. Its 5.20 GHz boost clock is the highest figure in either specification set, and the 0.50 GHz single-core advantage over the 120HL should translate directly into faster response in applications that rely on one or two threads. The 24 MB L3 cache also helps in latency-sensitive workloads where repeated access to a large dataset benefits from a bigger last-level cache.

The 14501E wins on platform expansion. PCIe Gen 5 with 16 lanes is a generational leap over Gen 4 with 8 lanes. Users who need a high-bandwidth GPU or multiple Gen 5 NVMe drives will find the 14501E's interface far more accommodating. The 120HL's 8 Gen 4 lanes cap out well below that.

ECC memory support gives the 14501E another clear win. Systems requiring error-correcting memory for data integrity, such as small servers or storage appliances, can use the 14501E but not the 120HL.

The 120HL wins on core density per watt. It delivers 12 cores within 45 W, while the 14501E delivers 6 cores within 65 W. The 120HL's per-core power allocation is lower, which could translate to better multi-threaded efficiency in constrained chassis, though the data does not include measured efficiency.

The 14501E wins on raw single-core ceiling and L3 capacity. Its 5.20 GHz boost and 24 MB L3 are both higher than the 120HL's 4.70 GHz and 18 MB. For workloads that are not parallelizable, the 14501E is the stronger candidate.

Architecture Differences

Both chips use the Raptor Lake architecture and the 10 nm Intel process, but they come from different variants. The 120HL is based on Raptor Lake-PS, while the 14501E is based on Raptor Lake Refresh, codenamed Raptor Lake-R. The generation field confirms this split: the 120HL belongs to the Core 5 generation, the 14501E to the Core 14th Gen.

The core configurations differ beyond raw count. The 120HL has 12 cores and 16 threads, implying a mix that includes efficiency cores, since 12 physical cores with 16 threads means not every core has a sibling thread. The 14501E has 6 cores and 12 threads, a fully symmetric arrangement where every core carries two threads. The data does not list core types, but the thread counts imply different core topologies.

Cache organization differs. Both use 80 KB L1 per core, but L2 per core is 2 MB on the 120HL and 1.25 MB on the 14501E. The 120HL's larger per-core L2 suggests it may rely more on mid-level cache for efficiency cores, while the 14501E's smaller L2 is offset by a larger shared L3 (24 MB versus 18 MB). The total L2 across all cores favors the 120HL (24 MB versus 7.5 MB), but the shared L3 favors the 14501E.

Die size is listed only for the 14501E at 215 mm². The 120HL has no recorded die size, so no direct comparison is possible.

PCIe implementation differs substantially. The 120HL uses Gen 4 with 8 CPU lanes; the 14501E uses Gen 5 with 16 CPU lanes. This is not a minor revision but a full generational step, doubling both the lane width and the per-lane bandwidth potential. The 14501E's platform is designed for higher data throughput.

Integrated graphics differ. The 120HL includes Iris Xe Graphics with 80 EU, while the 14501E includes UHD Graphics 770. The Iris Xe branding typically indicates a higher-tier iGPU, but no benchmark data exists to confirm a performance gap.

ECC support is exclusive to the 14501E. The 120HL does not support ECC memory, which limits its use in reliability-focused systems.

Both processors share the same socket (Intel Socket 1700), memory types (DDR4 and DDR5), memory bus (dual-channel), foundry (Intel), and production status (Active). Neither has an unlocked multiplier, so overclocking is not a differentiator.

FAQ

Q: Which processor has more cores?

A: The Core 5 120HL has 12 cores and 16 threads. The Core i5-14501E has 6 cores and 12 threads. The 120HL offers double the physical core count.

Q: Which processor has the higher boost clock?

A: The Core i5-14501E reaches 5.20 GHz, while the Core 5 120HL reaches 4.70 GHz. The 14501E also has a higher base clock at 3.30 GHz versus 2.60 GHz.

Q: Do both processors support the same memory?

A: Both support DDR4 and DDR5 with a dual-channel bus. The Core i5-14501E adds ECC memory support, which the Core 5 120HL does not offer.

Q: Which processor supports PCIe Gen 5?

A: Only the Core i5-14501E supports PCIe Gen 5, with 16 CPU lanes. The Core 5 120HL uses PCIe Gen 4 with 8 CPU lanes.

Q: Are both processors on the same socket?

A: Yes, both use Intel Socket 1700. This means they can share the same motherboard platform, provided the board's BIOS supports each specific chip.

Q: What is the TDP of each processor?

A: The Core 5 120HL is rated at 45 W, and the Core i5-14501E is rated at 65 W.

Specification Differences

| Specification | Core 5 120HL | Core i5-14501E |

|---|---|---|

| Cores | 12 | 6 |

| Threads | 16 | 12 |

| Base clock | 2.60 GHz | 3.30 GHz |

| Boost clock | 4.70 GHz | 5.20 GHz |

| TDP | 45 W | 65 W |

| Codename | Raptor Lake-PS | Raptor Lake-R |

| Generation | Core 5 (Raptor Lake-PS) | Core i5 (Raptor Lake Refresh) |

| Die size | Not recorded | 215 mm² |

| L2 cache | 2 MB per core | 1.25 MB per core |

| L3 cache | 18 MB shared | 24 MB shared |

| ECC memory | No | Yes |

| PCIe | Gen 4, 8 lanes | Gen 5, 16 lanes |

| Integrated graphics | Iris Xe Graphics 80EU | UHD Graphics 770 |

| Release date | April 7, 2024 | June 30, 2024 |

| Launch MSRP | $279 | Not recorded |

The L1 cache, memory support, memory bus, socket, process node, foundry, market segment, production status, and multiplier lock status are identical between the two processors.

The Verdict

The data points to two distinct use cases. The Core 5 120HL is the choice for multi-threaded throughput within a lower power envelope. Its 12 cores and 16 threads give it a 2x core advantage over the 14501E, and its 45 W TDP keeps the thermal footprint modest. The 120HL also offers a larger per-core L2 cache (2 MB versus 1.25 MB), which could help in workloads with localized data reuse across many threads.

The Core i5-14501E is the choice for single-threaded performance and platform flexibility. Its 5.20 GHz boost clock is the highest figure recorded for either chip, and the 24 MB L3 cache exceeds the 120HL's 18 MB. The PCIe Gen 5 interface with 16 lanes is a decisive advantage for any system that needs modern GPU or storage bandwidth. ECC memory support further positions the 14501E for data-integrity workloads.

For a user building a workstation where parallel tasks dominate, the 120HL's core count is the stronger asset. For a user seeking maximum per-thread speed, a wider PCIe interface, and ECC capability, the 14501E is the better fit. Both processors remain active in production, so availability is not a differentiator.

The absence of benchmark scores means the analysis stops at specifications. The 120HL's higher core count does not guarantee a win in every parallel workload, especially if the 14501E's higher clocks and larger L3 compensate in cache-sensitive tasks. Similarly, the 14501E's boost advantage does not guarantee single-thread dominance if thermal or power constraints limit sustained clocks. The recorded data provides no measurements to resolve these questions, so the verdict rests on the structural differences: cores and threads for the 120HL, clocks and platform features for the 14501E.