Intel Core i5-13450HX vs Intel Core i7-12700KF Comparison

The Intel Core i7-12700KF and Intel Core i5-13450HX occupy different corners of the processor market, one a desktop part and the other a mobile chip. The recorded benchmark data shows a decisive performance gap between them, with the i7-12700KF winning every shared test in the database. This analysis walks through the specific scores, architectural differences, and the practical meaning of those results for a potential buyer.

Where Each One Wins

The data is unambiguous: the Intel Core i7-12700KF wins all 17 head-to-head benchmark comparisons recorded in the database. The Intel Core i5-13450HX does not win a single test. This makes the use-case split straightforward. The i7-12700KF is the choice for any workload that appears in the benchmark suite, from single-threaded tasks to heavily multithreaded rendering and computation.

The i5-13450HX, while slower, is not without a purpose, but that purpose is not reflected in raw performance wins. It is a mobile processor with a 55 W TDP, designed for laptops where power constraints matter more than peak performance. Its advantage lies in its form factor and platform, not in benchmark results. For a desktop user building a system with an Intel Socket 1700 motherboard, the i7-12700KF is the clear pick. For someone needing a capable processor in a laptop, the i5-13450HX exists as a mobile option, but the data shows it will be slower in every measured task.

Architecture Differences

The two processors come from different generations and target different platforms. The i7-12700KF is a desktop part based on Alder Lake, built on Intel's 10 nm process with a die size of 215 mm². It has 12 cores and 20 threads, with a base clock of 3.60 GHz and a boost clock of 5.00 GHz. Its TDP is 125 W, and it uses the Intel Socket 1700. The i5-13450HX is a mobile part based on Raptor Lake, also on a 10 nm process, but with a larger die size of 257 mm². It has 10 cores and 16 threads, with a base clock of 2.40 GHz and a boost clock of 4.60 GHz. Its TDP is much lower at 55 W, and it uses the Intel BGA 1964 socket.

Cache configurations differ as well. Both share the same L1 cache of 80 KB per core, but the L2 cache is larger on the i5-13450HX at 2 MB per core versus 1.25 MB per core on the i7-12700KF. The L3 cache, however, favors the i7-12700KF: 25 MB shared versus 20 MB shared on the i5-13450HX.

Memory support is identical on paper: both support DDR4 and DDR5 with dual-channel memory buses. The i5-13450HX supports ECC memory, while the i7-12700KF does not. The PCIe capabilities differ: the i7-12700KF offers Gen 4 with 20 lanes (CPU only), while the i5-13450HX offers Gen 5 with 20 lanes (CPU only). The i5-13450HX also includes integrated graphics in the form of UHD Graphics 710, whereas the i7-12700KF has no integrated graphics, which is consistent with its "KF" designation. Both processors have an unlocked multiplier, and both are listed as active in production.

Head-to-Head Benchmarks

The benchmark results show a consistent and often large advantage for the i7-12700KF. The largest margin appears in Cinebench R23 single-core, where the i7-12700KF scores 4071 against 1746 for the i5-13450HX, a delta of 133.2%. This is a massive gap, more than double the score, and it indicates a substantial difference in single-threaded performance that likely stems from the higher boost clock of 5.00 GHz versus 4.60 GHz.

Multi-core results also favor the i7-12700KF heavily. In Cinebench R23 multi-core, the i7-12700KF scores 28838 versus 16797, a delta of 71.7%. Cinebench R20 multi-core shows a 38.8% lead (12111 versus 8728), and Cinebench R15 multi-core shows a 16.1% lead (2906 versus 2503). The multi-core advantage is expected given the higher core count (12 versus 10) and thread count (20 versus 16) of the i7-12700KF.

PassMark results reinforce the pattern. The i7-12700KF leads in every single PassMark test. Data compression shows 441960 versus 305990, a 44.4% delta. Data encryption shows 23181 versus 16632, a 39.4% delta. Extended instructions show 28650 versus 19083, a 50.1% delta. Floating point math shows 87449 versus 61776, a 41.6% delta. Integer math shows 113521 versus 83209, a 36.4% delta. Multithread shows 34092 versus 25084, a 35.9% delta. Physics shows 1780 versus 1504, an 18.4% delta. Random string sorting shows 45150 versus 31940, a 41.4% delta. Even the smallest margin, in PassMark single-thread, is still a solid 12.1% lead (3984 versus 3553).

The smallest multi-core margin is in Cinebench R15 multi-core at 16.1%, while the largest is in Cinebench R23 single-core at 133.2%. The data shows no test where the i5-13450HX comes close to matching the i7-12700KF.

The Verdict

The choice between these two processors is dictated by the platform, not the performance data. The i7-12700KF is a desktop processor with a 125 W TDP, a launch MSRP of $384, and a release date in late 2021. The i5-13450HX is a mobile processor with a 55 W TDP, a launch MSRP of $326, and a release date in early 2023. If you are building a desktop system, the i7-12700KF is the obvious pick, as it wins every benchmark and offers more cores, threads, and a higher boost clock.

If you are buying a laptop, the i5-13450HX is the only option of the two, given its BGA 1964 socket. The data shows it will be slower, but it is the mobile part designed for that use case. The i7-12700KF cannot be installed in a laptop, so the comparison is somewhat academic for mobile buyers. For desktop users, there is no reason to choose the i5-13450HX based on performance, as it loses every test by a wide margin.

The percentile rankings also favor the i7-12700KF, which sits at the 85th percentile against all CPUs, while the i5-13450HX sits at the 84th. The average benchmark scores are 35365 for the i7-12700KF and 34333 for the i5-13450HX. The nearest rivals for the i7-12700KF include the Intel Core i7-13700T (delta of -0.1%) and the Intel Core i5-13600T (delta of 0.2%), while the i5-13450HX's nearest rivals include the AMD Ryzen 7 3700X (delta of 0.2%) and the AMD Ryzen AI 7 350 (delta of 0.3%).

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core i7-12700KF has 12 cores and 20 threads. The Intel Core i5-13450HX has 10 cores and 16 threads.

Q: What is the biggest performance gap between the two?

A: The largest delta is in Cinebench R23 single-core, where the i7-12700KF scores 133.2% higher than the i5-13450HX (4071 versus 1746).

Q: Does the i5-13450HX have integrated graphics?

A: Yes, the i5-13450HX includes UHD Graphics 710. The i7-12700KF has no integrated graphics, consistent with its "KF" designation.

Q: Which processor supports ECC memory?

A: The i5-13450HX supports ECC memory. The i7-12700KF does not.

Q: What are the socket types for these two processors?

A: The i7-12700KF uses Intel Socket 1700. The i5-13450HX uses Intel BGA 1964.

Q: How do their average benchmark scores compare?

A: The i7-12700KF has an average benchmark score of 35365, while the i5-13450HX has an average of 34333.

Specification Differences

The table below lists only the fields where the two processors differ.

| Field | Intel Core i7-12700KF | Intel Core i5-13450HX |

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

| Series | Core 12th Gen | Core 13th Gen |

| Cores | 12 | 10 |

| Threads | 20 | 16 |

| Base Clock | 3.60 GHz | 2.40 GHz |

| Boost Clock | 5.00 GHz | 4.60 GHz |

| TDP | 125 W | 55 W |

| Socket | Intel Socket 1700 | Intel BGA 1964 |

| Architecture | Alder Lake | Raptor Lake |

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

| Generation | Core i7 (Alder Lake-S) | Core i5 (Raptor Lake-HX) |

| Die Size | 215 mm² | 257 mm² |

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

| L3 Cache | 25 MB (shared) | 20 MB (shared) |

| ECC Memory | false | true |

| PCIe | Gen 4, 20 Lanes (CPU only) | Gen 5, 20 Lanes (CPU only) |

| Integrated Graphics | null | UHD Graphics 710 |

| Market Segment | Desktop | Mobile |

| Release Date | 2021-11-03 | 2023-01-03 |

| Launch MSRP | $384 | $326 |

| Part Number | SRL4P | SRME8SRMEE |

Both processors share the same L1 cache of 80 KB per core, the same memory support (DDR4, DDR5), the same dual-channel memory bus, the same process node (10 nm), the same foundry (Intel), and both have an unlocked multiplier.