Intel Core i7-12700K vs Intel Core i7-13700HX Comparison

Head-to-Head Benchmarks

The head-to-head results paint a surprisingly clear picture: the desktop-oriented i7-12700K wins 18 of the 23 recorded comparisons, while the mobile i7-13700HX takes only 5. The largest margin belongs to the 12700K in PassMark extended instructions, where it scores 28885 against 24127, a 19.7% advantage. That gap suggests the desktop chip handles advanced instruction workloads with considerably more headroom. In 3DMark 16 threads, the 12700K posts 9276 versus 8051, a 15.2% lead, and in PassMark data compression it reaches 446595 against 392725, a 13.7% edge. These are not marginal differences; the 12700K consistently outperforms in multi-threaded throughput tests.

The 13700HX does strike back in a few notable places. Cinebench R23 multicore is its best result: 20479 versus 19784, a 3.4% win. It also edges ahead in Cinebench R23 single core, 1875 against 1850.5, a 1.3% margin. PassMark integer math favors the mobile chip, 116617 versus 114264, a 2% difference, and PassMark physics shows a 6.2% advantage at 1908 versus 1790. The fifth win comes in PassMark find prime numbers, 124 versus 114, an 8.1% gap. These wins cluster in specific workloads: integer-heavy math, physics simulation, and the newer Cinebench R23 renderer.

Looking at the overall averages, the 12700K records 35287 against 34554 for the 13700HX, a difference of roughly 2.1%. Both CPUs sit at the 84th percentile among all processors in the database, meaning they occupy the same tier of overall performance. The nearest rivals for the 12700K are the i5-13600T at 35305 (-0.1%), the i7-12700KF at 35365 (-0.2%), and the i7-13700T at 35403 (-0.3%). For the 13700HX, the closest competitors include the Core Ultra 5 336H at 34485 (0.2% behind), the i5-13450HX at 34333 (0.6% behind), and the Ryzen 7 3700X at 34260 (0.9% behind). These rival placements show that the 12700K sits slightly above its mobile counterpart in the aggregate, but both are firmly in the upper-middle tier of all CPUs.

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Core i7-12700K records an average benchmark score of 35287, while the Intel Core i7-13700HX records 34554. The desktop chip leads by 733 points, approximately 2.1%.

Q: How many benchmark comparisons does each processor win?

A: The 12700K wins 18 of the 23 head-to-head tests. The 13700HX wins 5. One test, Cinebench R15 single core, ends in a tie at 272 points each, recorded as a win for the 12700K with a 0% delta.

Q: Where does the 13700HX beat the 12700K?

A: The 13700HX wins in Cinebench R23 multicore (20479 vs 19784, 3.4%), Cinebench R23 single core (1875 vs 1850.5, 1.3%), PassMark find prime numbers (124 vs 114, 8.1%), PassMark integer math (116617 vs 114264, 2%), and PassMark physics (1908 vs 1790, 6.2%).

Q: What is the largest single benchmark margin between the two?

A: The largest margin is in PassMark extended instructions, where the 12700K scores 28885 against 24127 for the 13700HX, a 19.7% advantage.

Q: Do both processors share the same integrated graphics?

A: Yes, both the 12700K and the 13700HX feature Intel UHD Graphics 770 as their integrated graphics solution.

Q: How do the two processors compare in single-threaded performance?

A: The 12700K leads in most single-thread tests. In 3DMark single thread it scores 1043 versus 1024 (1.9% ahead), in PassMark single thread 4013 versus 3819 (5.1% ahead), and in Cinebench R20 single core 1726 versus 1593 (8.3% ahead). The 13700HX only wins Cinebench R23 single core, 1875 versus 1850.5 (1.3% ahead).

Architecture Differences

The two processors come from different generations and target different market segments. The i7-12700K belongs to the Core 12th Gen series, built on Alder Lake architecture with the Alder Lake-S codename. It launches in November 2021 as a desktop part. The i7-13700HX belongs to Core 13th Gen, using Raptor Lake architecture with the Raptor Lake-HX codename, released in January 2023 as a mobile processor. Both use a 10 nm process node from Intel, but the die sizes differ: 215 mm² for the 12700K versus 257 mm² for the 13700HX.

Core counts diverge significantly. The 12700K has 12 cores and 20 threads, while the 13700HX has 16 cores and 24 threads. The extra 4 cores and 4 threads give the mobile chip more parallel resources on paper. Cache configurations also differ. The L1 cache is identical at 80 KB per core for both. The L2 cache scales from 1.25 MB per core on the 12700K to 2 MB per core on the 13700HX. The L3 cache grows from 25 MB shared on the desktop chip to 30 MB shared on the mobile chip. This larger cache pool likely contributes to the 13700HX's wins in integer math and physics tests.

PCIe connectivity differs markedly. The 12700K supports PCIe Gen 4 with 20 lanes from the CPU. The 13700HX supports PCIe Gen 5 with 20 lanes, a generational step forward in bandwidth capability. Memory support is similar: both accept DDR4 and DDR5 in dual-channel configuration. ECC memory support differs, with the 13700HX supporting ECC while the 12700K does not. Both processors have unlocked multipliers, enabling overclocking on compatible platforms. The production status for both is listed as active.

Specification Differences

The specification table shows several key differences beyond architecture. The 12700K has a base clock of 3.60 GHz and a boost clock of 5.00 GHz. The 13700HX has a much lower base clock of 2.10 GHz but matches the 5.00 GHz boost clock. This lower base clock reflects the mobile power envelope. The 12700K carries a TDP of 125 watts, while the 13700HX draws 55 watts, less than half the desktop chip's thermal budget.

The socket types are incompatible. The 12700K uses Intel Socket 1700 for desktop motherboards. The 13700HX uses Intel BGA 1964, a soldered mobile package. The market segments confirm this split: the 12700K is a desktop part, the 13700HX is mobile. The launch MSRP differs, with the 12700K at $409 and the 13700HX at $485. The part numbers are SRL4N for the 12700K and SRME5 for the 13700HX.

The 12700K has 12 cores, 20 threads, 1.25 MB L2 per core, and 25 MB shared L3. The 13700HX has 16 cores, 24 threads, 2 MB L2 per core, and 30 MB shared L3. Both list the same L1 cache at 80 KB per core. The 12700K does not support ECC memory; the 13700HX does. Both feature UHD Graphics 770. The 12700K offers PCIe Gen 4, while the 13700HX offers PCIe Gen 5. Both are unlocked for overclocking despite the mobile form factor of the 13700HX.

The Verdict

The data points to a clear segmentation: the 12700K is the stronger all-around performer in the benchmark suite, winning 18 of 23 tests. Its advantages are most pronounced in extended instruction workloads (19.7% ahead), 16-thread 3DMark (15.2% ahead), and data compression (13.7% ahead). These are compute-heavy tasks that benefit from the desktop chip's higher base clock of 3.60 GHz and 125 watt power envelope. The 12700K also leads in single-threaded PassMark by 5.1% and Cinebench R20 single core by 8.3%, suggesting better per-thread execution for lightly threaded applications.

The 13700HX is not a poor performer; it holds its own in Cinebench R23 multicore with a 3.4% win and shows strength in physics (6.2% ahead) and integer math (2% ahead). Its 16 cores and 24 threads, combined with 30 MB of L3 cache, give it an edge in specific parallel workloads. However, its lower 55 watt TDP and 2.10 GHz base clock limit sustained throughput in many tests. The average benchmark scores reflect this: 35287 for the 12700K versus 34554 for the 13700HX.

For a desktop user seeking maximum performance across a broad range of applications, the 12700K is the better choice based on the recorded data. For a laptop user needing capable performance in a mobile form factor, the 13700HX represents a strong option, especially in Cinebench R23 and integer-heavy tasks. The 55 watt TDP makes it feasible for thinner chassis, while the 125 watt TDP of the 12700K requires a desktop cooling solution.

Where Each One Wins

The 12700K dominates in 3DMark tests across thread counts: 16 threads (15.2% ahead), 8 threads (12.3% ahead), max threads (11% ahead), 4 threads (7.3% ahead), and 2 threads (3.8% ahead). It also wins single-thread 3DMark by 1.9%. In Cinebench, it takes R15 multicore by 1.5% and R20 multicore by 8.3%, plus R20 single core by 8.3%. PassMark results favor the 12700K in extended instructions (19.7%), data compression (13.7%), random string sorting (9.8%), data encryption (4.6%), floating point math (2.5%), multithread (5.4%), and single thread (5.1%). These wins span memory-bound, compute-bound, and encryption workloads.

The 13700HX wins in five specific areas. Cinebench R23 multicore (3.4% ahead) suggests the newer renderer leverages its 16 cores and 30 MB L3 cache effectively. Cinebench R23 single core (1.3% ahead) shows competitive per-core performance from the Raptor Lake architecture. PassMark find prime numbers (8.1% ahead) indicates an advantage in prime-number generation algorithms. PassMark integer math (2% ahead) points to better raw integer throughput. PassMark physics (6.2% ahead) suggests superior performance in physics simulation workloads. These wins cluster in integer and physics domains, while the 12700K takes the broader set of mixed and floating-point tasks.

For users prioritizing Cinebench R23 rendering, physics simulation, or integer-heavy number crunching, the 13700HX offers measurable gains. For users who need broad multi-threaded performance, data compression, encryption, or extended instruction sets, the 12700K is the stronger pick. The overall average score favors the 12700K, and its 84th percentile ranking matches the 13700HX, confirming both are capable processors in the upper tier of the database.