Intel Core i5-12600HX vs Intel Core i5-14600T Comparison

Where Each One Wins

The benchmark distribution is lopsided. The Intel Core i5-14600T wins 16 of the 17 recorded head-to-head comparisons, while the Intel Core i5-12600HX manages a single victory. That one win is in Passmark extended instructions, where the 12600HX scores 17328 against 16985 for the 14600T, a 2% edge. This narrow result suggests the older mobile chip retains a slight advantage in workloads that exercise specialized instruction sets, but it is an isolated data point.

Every other measured category favors the 14600T. The most decisive wins for the desktop chip come in Passmark physics (1873 versus 1504, a 19.7% gap) and Passmark integer math (95112 versus 79339, a 16.6% gap). These are computational patterns tied to core count and per-core efficiency, and the 14600T dominates there. The Cinebench R23 multicore test also shows a clear separation: 22447 for the 14600T against 20714 for the 12600HX, a 7.7% advantage. Single-core performance follows the same trend, with the 14600T reaching 3169 in Cinebench R23 single-core versus 2924 for the 12600HX.

The use-case split is straightforward. The 14600T is the stronger processor for nearly any threaded workload, especially those involving physics simulation, integer arithmetic, or prime number calculations (121 versus 83, a 31.4% gap). The 12600HX is competitive only in the narrow band of extended instruction workloads. For general productivity, rendering, or number crunching, the data consistently points to the 14600T.

Architecture Differences

The two processors come from different generations and target different market segments. The 12600HX is a mobile part from the Core 12th Gen series, built on Alder Lake-HX architecture using the 10 nm process. The 14600T is a desktop part from Core 14th Gen, using Raptor Lake-R (Raptor Lake Refresh) architecture, also on a 10 nm process. Both are manufactured by Intel, but the die sizes differ: 215 mm² for the 12600HX versus 257 mm² for the 14600T.

Core and thread counts favor the desktop chip. The 12600HX has 12 cores and 16 threads, while the 14600T has 14 cores and 20 threads. This explains much of the multicore performance gap. The cache hierarchy also differs. Both share 80 KB of L1 per core, but the L2 cache is 1.25 MB per core on the 12600HX versus 2 MB per core on the 14600T. The L3 cache jumps from 18 MB shared on the mobile chip to 24 MB shared on the desktop chip.

Clock speeds tell a similar story. The 12600HX has a base clock of 2.50 GHz and a boost clock of 4.60 GHz. The 14600T has a lower base clock at 1.80 GHz but a much higher boost clock at 5.10 GHz. The power envelope is also different: the 12600HX is rated at 55 W TDP, while the 14600T is rated at 35 W TDP. This is noteworthy because the desktop chip achieves higher performance despite a lower thermal design point.

The memory support is identical (DDR4 and DDR5, dual-channel), and both support ECC memory. The integrated graphics are also the same: UHD Graphics 770. The socket and PCIe configuration differ, with the mobile chip using Intel BGA 1964 and 20 PCIe Gen 5 lanes (CPU only), while the desktop chip uses Intel Socket 1700 and 16 PCIe Gen 5 lanes (CPU only). The 12600HX has an unlocked multiplier; the 14600T does not.

Head-to-Head Benchmarks

The Cinebench suite shows a consistent 7.7% advantage for the 14600T across all six tests. In R15 multicore, the scores are 2262 versus 2087. In R15 single-core, 319 versus 294. R20 multicore shows 9427 against 8699, and R20 single-core shows 1330 against 1228. R23 multicore is 22447 versus 20714, and R23 single-core is 3169 versus 2924. This uniformity suggests the clock speed advantage (5.10 GHz boost versus 4.60 GHz) and the higher core count translate directly into a steady performance uplift, not a workload-specific quirk.

Passmark results reveal where the 14600T pulls away most dramatically. The largest delta is in find prime numbers, where the 14600T scores 121 versus 83, a 31.4% lead. This test is highly sensitive to integer throughput and cache efficiency, both of which favor the desktop chip. Physics follows at 1873 versus 1504, a 19.7% gap. Integer math shows 95112 versus 79339, a 16.6% gap. Floating point math is less extreme but still decisive: 64726 versus 58378, a 9.8% gap.

The 12600HX does not go down without a fight in some areas. Its Passmark extended instructions score of 17328 beats the 14600T's 16985 by 2%. In data compression, the gap narrows to 3.2% (301827 versus 292256). Random string sorting is also close at 3.5% (34310 versus 33110). Data encryption shows a 4% gap (18226 versus 17506). These closer margins indicate that memory bandwidth and certain algorithmic patterns are more evenly matched, but the 14600T still wins every one of these tests.

The multithread Passmark score is 26409 for the 14600T versus 24681 for the 12600HX, a 6.5% lead. Single-thread Passmark is 3744 versus 3623, a 3.2% lead. The overall pattern is clear: the 14600T is faster in every measured category except one, and its margins range from modest (2% in extended instructions, where it loses) to substantial (31.4% in prime numbers, where it wins).

FAQ

Q: Which processor has a higher boost clock?

A: The Intel Core i5-14600T has a boost clock of 5.10 GHz, compared to 4.60 GHz for the Intel Core i5-12600HX.

Q: How many cores and threads does each processor have?

A: The 12600HX has 12 cores and 16 threads. The 14600T has 14 cores and 20 threads.

Q: Which processor wins in Cinebench R23 multicore?

A: The 14600T wins with a score of 22447, which is 7.7% higher than the 12600HX's 20714.

Q: Is there any benchmark where the 12600HX beats the 14600T?

A: Yes, in Passmark extended instructions, the 12600HX scores 17328, which is 2% higher than the 14600T's 16985.

Q: What is the TDP difference between the two?

A: The 12600HX has a TDP of 55 W, while the 14600T has a TDP of 35 W.

Q: Do both processors support ECC memory?

A: Yes, both the 12600HX and the 14600T support ECC memory.

The Verdict

The recorded data points to a clear choice for most workloads. The Intel Core i5-14600T is faster in 16 of 17 head-to-head tests, and its advantages are often large. For anyone prioritizing multicore performance, physics simulation, integer math, or prime number calculations, the 14600T is the superior option. Its 14 cores and 20 threads, combined with a 5.10 GHz boost clock and 24 MB of L3 cache, deliver measurable wins across the Cinebench and Passmark suites.

The 12600HX is not without merit. Its single win in extended instructions shows it can handle specialized workloads slightly better, and its 55 W TDP suggests it is designed for a different power envelope altogether. It is also an unlocked multiplier part, which may appeal to users seeking manual tuning in a mobile form factor. However, the benchmark results do not support choosing it for general performance. The 14600T wins the majority of tests by margins from 3.2% to 31.4%, and even its narrower wins (data compression, random string sorting) are consistent.

The percentile rankings are identical at 83 for both processors, and their average benchmark scores are close: 33375 for the 12600HX versus 32707 for the 14600T. This places them in the same overall performance tier among all CPUs. But the head-to-head data is unambiguous. The 14600T is the stronger performer in almost every scenario. Users who need the best measured throughput should select the 14600T. Users who require a mobile form factor with an unlocked multiplier and acceptable performance may still consider the 12600HX, but they should expect to give up meaningful speed in most tasks.

Specification Differences

| Specification | Intel Core i5-12600HX | Intel Core i5-14600T |

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

| Series | Core 12th Gen | Core 14th Gen |

| Cores | 12 | 14 |

| Threads | 16 | 20 |

| Base Clock | 2.50 GHz | 1.80 GHz |

| Boost Clock | 4.60 GHz | 5.10 GHz |

| TDP | 55 W | 35 W |

| Socket | Intel BGA 1964 | Intel Socket 1700 |

| Architecture | Alder Lake | Raptor Lake |

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

| Die Size | 215 mm² | 257 mm² |

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

| L3 Cache | 18 MB (shared) | 24 MB (shared) |

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

| Market Segment | Mobile | Desktop |

| Launch MSRP | $284 | $255 |

| Multiplier Unlocked | Yes | No |

| Part Number | SRLGJ | SRN46 |

The remaining specifications are shared: both use the 10 nm process, support DDR4 and DDR5 memory in dual-channel mode, have 80 KB of L1 cache per core, include UHD Graphics 770, and offer ECC memory support. The release dates differ, with the 12600HX launching in May 2022 and the 14600T in January 2024.