Intel Core i5-13600K vs Intel Core i9-12900T Comparison

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Core i5-13600K records an average benchmark score of 37685, while the Intel Core i9-12900T averages 37112. That puts the i5-13600K ahead by roughly 1.5%, a narrow margin that places both chips within 1 percentile point of each other (86th vs 85th percentile).

Q: How do the two chips compare in Cinebench R23 multi-core performance?

A: The i9-12900T edges out the i5-13600K in Cinebench R23 multi-core, scoring 24528 against 24221. That is a 1.3% advantage for the i9-12900T, making this one of only three benchmark categories where the 12900T wins.

Q: Which processor wins in single-threaded workloads?

A: The i9-12900T dominates in Cinebench R23 single-core with a score of 3462 versus 2000.5 for the i5-13600K, a 42.2% lead. The i9-12900T also wins Cinebench R15 single-core (348 vs 287.5, a 17.4% advantage). However, the i5-13600K wins Geekbench single-core (2297 vs 2259, a 1.7% lead) and PassMark single-thread (4124 vs 3810, an 8.2% lead).

Q: What are the core and thread counts for each processor?

A: The i9-12900T has 16 cores and 24 threads, while the i5-13600K has 14 cores and 20 threads. Despite having fewer cores and threads, the i5-13600K wins 16 of the 19 head-to-head benchmark comparisons.

Q: Which processor has the higher boost clock?

A: The i5-13600K boosts to 5.10 GHz, while the i9-12900T reaches 4.90 GHz. The base clock situation is unusual: the i5-13600K has a 3.50 GHz base, while the i9-12900T lists a 1400.00 MHz base, reflecting its low-power T design.

Q: Do both processors support the same memory types?

A: Yes, both support DDR4 and DDR5 memory in dual-channel configuration. Both also feature integrated UHD Graphics 770 and use the Intel Socket 1700. The i5-13600K supports ECC memory, while the i9-12900T does not.

Architecture Differences

The Intel Core i5-13600K belongs to the Raptor Lake-S architecture (13th Gen), while the Intel Core i9-12900T is built on Alder Lake-S (12th Gen). Both use Intel's 10 nm process node and are fabricated by Intel, but the die sizes differ: the i5-13600K measures 257 mm², while the i9-12900T is smaller at 215 mm².

The hybrid core designs differ in configuration. The i5-13600K packs 14 cores and 20 threads, while the i9-12900T offers 16 cores and 24 threads. The cache hierarchy also differs. The L1 cache is identical at 80 KB per core for both, but the L2 cache differs substantially: the i5-13600K has 2 MB per core, while the i9-12900T has 1.25 MB per core. The shared L3 cache favors the i9-12900T, which has 30 MB shared versus 24 MB shared on the i5-13600K.

PCIe support also differentiates the two. The i5-13600K provides Gen 5 with 16 lanes (CPU only), while the i9-12900T offers Gen 5 with 20 lanes (CPU only). Both processors have an unlocked multiplier, making them overclockable, and both are marked as Active production status. The i5-13600K was released on 2022-09-26, while the i9-12900T launched earlier on 2022-01-03.

The i5-13600K carries the part number SRMBD, while the i9-12900T uses SRL4M. Both feature the same integrated graphics solution, UHD Graphics 770. The i5-13600K supports ECC memory; the i9-12900T does not. The i9-12900T's 35 W TDP classifies it as a low-power variant, whereas the i5-13600K has a 125 W TDP, which helps explain the performance differences in sustained multi-threaded workloads.

Head-to-Head Benchmarks

The head-to-head results show a clear pattern: the i5-13600K wins 16 of 19 comparisons, with the i9-12900T taking only 3 wins. The i5-13600K's largest victories come in Cinebench R15 multi-core, where it scores 3642 versus 2472, a 47.3% advantage. PassMark extended instructions shows a 43.6% lead (28805 vs 20054). Geekbench multi-core follows with a 34.1% margin (15575 vs 11615). PassMark data compression shows a 38.1% gap (476394 vs 345021), and PassMark data encryption shows a 30.5% lead (27075 vs 20750).

The i5-13600K also wins Cinebench R20 multi-core by 29.8% (13373 vs 10301) and the same 29.8% margin in Cinebench R20 single-core (1887 vs 1454). PassMark multi-thread shows a 27.3% advantage (37680 vs 29601). PassMark random string sorting goes to the i5-13600K by 28.4% (51073 vs 39771). PassMark physics shows a 24.7% lead (2258 vs 1811). PassMark floating point math favors the i5-13600K by 19.5% (90538 vs 75741). PassMark integer math shows a 13.2% edge (122481 vs 108211). PassMark find prime numbers shows a 33.6% lead (155 vs 116). PassMark single-thread and singlethread both show an 8.2% advantage (4124 vs 3810). Geekbench single-core is close, with the i5-13600K ahead by 1.7% (2297 vs 2259).

The i9-12900T's wins are concentrated in Cinebench tests. Its biggest victory is Cinebench R23 single-core, where it scores 3462 versus 2000.5, a 42.2% margin. It also wins Cinebench R15 single-core by 17.4% (348 vs 287.5). The third win is Cinebench R23 multi-core, a narrow 1.3% margin (24528 vs 24221). These results suggest the i9-12900T has a strong single-core architecture in certain Cinebench workloads, but the i5-13600K dominates across the broader benchmark suite.

Specification Differences

| Specification | Intel Core i5-13600K | Intel Core i9-12900T |

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

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

| Architecture | Raptor Lake | Alder Lake |

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

| Cores | 14 | 16 |

| Threads | 20 | 24 |

| Base Clock | 3.50 GHz | 1400.00 MHz |

| Boost Clock | 5.10 GHz | 4.90 GHz |

| TDP | 125 W | 35 W |

| Die Size | 257 mm² | 215 mm² |

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

| L3 Cache | 24 MB (shared) | 30 MB (shared) |

| ECC Memory | Yes | No |

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

| Release Date | 2022-09-26 | 2022-01-03 |

| Launch MSRP | $319 | $489 |

| Part Number | SRMBD | SRL4M |

Both processors share several specifications: Intel Socket 1700, 10 nm process node, Intel foundry, 80 KB L1 cache per core, DDR4 and DDR5 memory support, dual-channel memory bus, UHD Graphics 770 integrated graphics, Desktop market segment, Active production status, and unlocked multiplier.

The Verdict

The benchmark data paints a clear picture for most workloads. The Intel Core i5-13600K is the stronger all-around performer, winning 16 of 19 head-to-head comparisons. Its advantages are most pronounced in multi-threaded and throughput-heavy tasks: Cinebench R15 multi-core shows a 47.3% lead, PassMark extended instructions shows a 43.6% lead, and Geekbench multi-core shows a 34.1% lead. The i5-13600K also wins in data compression, encryption, integer math, floating point math, and physics simulations. Its average benchmark score of 37685 places it in the 86th percentile of all CPUs.

The Intel Core i9-12900T, despite having more cores (16 vs 14) and threads (24 vs 20), only wins in Cinebench R23 multi-core (by 1.3%), Cinebench R15 single-core (by 17.4%), and Cinebench R23 single-core (by 42.2%). The single-core Cinebench results are striking, but they do not translate to wins in Geekbench single-core or PassMark single-thread, where the i5-13600K leads. The i9-12900T's 35 W TDP makes it a low-power option, and its 85th percentile ranking is close to the i5-13600K's 86th, but the recorded data favors the i5-13600K in the majority of tests.

Buyers prioritizing multi-threaded performance, data processing, and general compute should select the i5-13600K. Those specifically targeting Cinebench single-core workloads, or requiring the lower power envelope of the i9-12900T, would find the 12900T competitive, but the i5-13600K is the better choice for most users based on the benchmark evidence.