Intel Core i7-12850HX vs Intel Core i7-14650HX Comparison

The Intel Core i7-12850HX and Intel Core i7-14650HX are both 16-core mobile processors sharing the same 55 W TDP and Intel BGA 1964 socket, yet the benchmark data reveals a clear generational shift. Across every single one of the 17 head-to-head benchmark comparisons, the newer Core i7-14650HX emerges victorious, with no wins recorded for the older i7-12850HX. This is not a marginal improvement; the delta percentages show substantial gains, particularly in multi-threaded workloads, signaling a significant performance leap between the Alder Lake and Raptor Lake architectures.

Head-to-Head Benchmarks

The most dramatic divergence appears in Cinebench multi-core tests. In Cinebench R23 multi-core, the i7-14650HX scores 20454 against the i7-12850HX’s 16301.5, a 20.3% advantage. This pattern repeats in Cinebench R15 multi-core, where the newer chip posts 3470.5 versus 2679, a 22.8% lead. The gap narrows but remains decisive in Cinebench R20 multi-core: 11946 vs 10907, an 8.7% difference. These results suggest that the Raptor Lake architecture extracts considerably more sustained throughput from the same core and thread count, likely due to higher clock speeds and improved cache efficiency.

Single-core performance also favors the i7-14650HX, though by a smaller margin. In Cinebench R23 single-core, the newer processor scores 1969 against 1720.5, a 12.6% improvement. Cinebench R15 single-core shows an 8.8% gain (285.5 vs 260.5), while Cinebench R20 single-core mirrors that at 8.7% (1686 vs 1539). The PassMark single-thread test confirms a 4.1% uplift (3841 vs 3683). This consistent single-core lead indicates that the i7-14650HX is not just better at parallel tasks; even lightly threaded applications see tangible benefits.

PassMark testing reveals where the architectural changes matter most. The largest single delta is in find prime numbers, where the i7-14650HX scores 152 versus 111, a 27% edge—likely reflecting improved integer throughput and clock behavior. Physics simulation also shows a notable 17.7% improvement (2202 vs 1813). Other PassMark workloads show smaller but consistent gains: data compression is 8.2% better (398418 vs 365829), integer math is 7.4% ahead (116661 vs 108076), and floating-point math is 6.7% faster (84999 vs 79337). Even the smallest delta, random string sorting at 6.3% (43035 vs 40327), reinforces the overall trend.

The data implies that the i7-14650HX is uniformly faster, but the magnitude varies by workload. The 20%+ multi-core Cinebench deltas suggest that long-duration, fully threaded renders benefit enormously from the newer design, while the 4-8% deltas in PassMark tasks indicate a more modest but consistent uplift in everyday parallel operations. The i7-12850HX, while competitive on paper, is decisively outclassed in every measured metric.

Architecture Differences

Both processors are built on Intel’s 10 nm process node and share the same 16-core, 24-thread configuration, but the internal design diverges significantly. The i7-12850HX uses the Alder Lake architecture with a die size of 215 mm², while the i7-14650HX employs the Raptor Lake architecture with a larger 257 mm² die. This 42 mm² increase in die area corresponds to a substantial rise in L2 cache: the i7-12850HX offers 1.25 MB per core, whereas the i7-14650HX doubles that to 2 MB per core. L3 cache also grows from 25 MB shared to 30 MB shared, providing the newer chip with more on-die data storage.

Clock speeds are another key differentiator. The i7-12850HX has a base clock of 2.10 GHz and a boost clock of 4.80 GHz, while the i7-14650HX starts higher at 2.20 GHz base and reaches 5.20 GHz boost. The 400 MHz boost advantage is directly reflected in the single-core benchmark deltas, explaining why the newer processor consistently wins single-threaded tests.

The integrated graphics differ as well. The i7-12850HX pairs with UHD Graphics 770, while the i7-14650HX uses UHD Graphics 710. This is a surprising downgrade in the iGPU tier, though the benchmark data does not include any graphics tests, so the impact remains unquantified. PCIe lanes also decrease on the newer chip: the i7-12850HX offers Gen 5 with 20 lanes (CPU only), while the i7-14650HX provides Gen 5 with 16 lanes. Both support DDR4 and DDR5 memory on a dual-channel bus, and both support ECC memory.

The i7-12850HX was released on 2022-05-09 with a launch MSRP of $428, while the i7-14650HX arrived later on 2024-01-07 with no launch MSRP provided. Both have unlocked multipliers and are marked as Active in production. The part numbers differ (SRLGH vs SRMXH), confirming distinct silicon revisions.

The Verdict

The benchmark data is unambiguous: the Intel Core i7-14650HX is the superior processor in every measured metric, winning all 17 head-to-head tests. The i7-12850HX records zero wins, making the comparison one-sided. For users prioritizing raw performance—especially in multi-threaded rendering or physics-heavy workloads—the i7-14650HX is the clear choice, with deltas ranging from 4.1% to 27% depending on the task.

However, the i7-12850HX is not without merit. It carries a lower launch MSRP of $428, which is notable given the performance gap, and it features a more capable integrated GPU (UHD Graphics 770 vs 710) and more PCIe lanes (20 vs 16). The data does not suggest the i7-12850HX is a bad processor; it ranks at the 88th percentile against all CPUs, identical to the i7-14650HX. Both chips sit in the same competitive tier, with the newer part simply being a faster iteration.

The i7-14650HX’s average benchmark score is 41576, slightly lower than the i7-12850HX’s 41779, which is a statistical artifact of the specific benchmark suite composition—the head-to-head results tell the true story. The i7-14650HX also sits within 0.5% of the AMD Ryzen 9 5900X and Intel Core Ultra 7 265H in nearest rival comparisons, indicating it competes with desktop-class parts from the previous generation.

FAQ

Q: Which CPU has a higher boost clock?

A: The Intel Core i7-14650HX has a boost clock of 5.20 GHz, compared to 4.80 GHz for the i7-12850HX.

Q: How much larger is the L3 cache on the i7-14650HX?

A: The i7-14650HX has 30 MB of shared L3 cache, while the i7-12850HX has 25 MB, a 5 MB difference.

Q: Does the i7-12850HX win any benchmark tests?

A: No, the i7-12850HX wins zero out of 17 head-to-head benchmark tests, all of which are won by the i7-14650HX.

Q: What is the largest performance delta between the two?

A: The largest delta is in PassMark find prime numbers, where the i7-14650HX scores 152 versus 111, a 27% advantage.

Q: Are both processors on the same manufacturing node?

A: Yes, both are built on Intel’s 10 nm process node, but the i7-14650HX uses a larger 257 mm² die versus 215 mm² for the i7-12850HX.

Q: Do both CPUs support ECC memory?

A: Yes, both the i7-12850HX and the i7-14650HX support ECC memory.

Where Each One Wins

The i7-14650HX wins everywhere in terms of raw performance. Its biggest advantages are in multi-core Cinebench R15 (22.8% lead) and Cinebench R23 (20.3% lead), making it the preferred choice for video rendering, 3D modeling, and any workload that scales across all 16 cores. The 17.7% lead in PassMark physics further cements its position for simulation and scientific computing tasks. Even in single-core tasks, the 12.6% Cinebench R23 single-core gain ensures snappier response in everyday applications.

The i7-12850HX, while losing all benchmarks, has specific advantages that are not captured in the performance scores. It offers more PCIe lanes (20 vs 16), which could benefit systems with multiple high-bandwidth devices. Its integrated UHD Graphics 770 is a higher-tier iGPU than the UHD Graphics 710 found in the i7-14650HX, making it a better fallback for systems without a discrete GPU. Additionally, its lower launch MSRP of $428 provides a price-based rationale, though no pricing data exists for the i7-14650HX to compare directly.

For users who need the absolute fastest mobile processor, the i7-14650HX is the answer. For those who might prioritize expandability or integrated graphics capability, the i7-12850HX remains a viable, albeit slower, option. The data does not show a single workload where the i7-12850HX outperforms its successor.

Specification Differences

| Specification | Intel Core i7-12850HX | Intel Core i7-14650HX |

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

| Architecture | Alder Lake | Raptor Lake |

| Codename | Alder Lake-HX | Raptor Lake-HX |

| Generation | Core i7 (Alder Lake-HX) | Core i7 (Raptor Lake-HX Refresh) |

| Base Clock | 2.10 GHz | 2.20 GHz |

| Boost Clock | 4.80 GHz | 5.20 GHz |

| Die Size | 215 mm² | 257 mm² |

| L2 Cache | 1.25 MB (per core) | 2 MB (per core) |

| L3 Cache | 25 MB (shared) | 30 MB (shared) |

| Integrated Graphics | UHD Graphics 770 | UHD Graphics 710 |

| PCIe | Gen 5, 20 Lanes (CPU only) | Gen 5, 16 Lanes (CPU only) |

| Release Date | 2022-05-09 | 2024-01-07 |

| Launch MSRP | $428 | null |

| Part Number | SRLGH | SRMXH |

Both processors share the same core count (16), thread count (24), TDP (55 W), socket (Intel BGA 1964), process node (10 nm), foundry (Intel), memory support (DDR4, DDR5), memory bus (Dual-channel), ECC support (true), market segment (Mobile), production status (Active), and unlocked multiplier (true). The die size, cache hierarchy, clock speeds, iGPU, PCIe lanes, release date, and part numbers are the distinguishing factors.