Intel Core i5-13600KF vs Intel Core Ultra 5 235T Comparison

The Intel Core Ultra 5 235T and Intel Core i5-13600KF are both 14-core desktop processors, but they represent two very different design philosophies from Intel. The 235T is a new-generation Arrow Lake chip built on a 3 nm process, while the 13600KF is a Raptor Lake part on a 10 nm node. The benchmark data shows a clear split: the older 13600KF dominates in raw multi-threaded and memory-heavy workloads, while the newer 235T counters with notable victories in floating-point math and single-threaded tests. This comparison highlights how architectural shifts can produce surprising trade-offs even within the same core count.

Where Each One Wins

The Intel Core i5-13600KF is the clear winner for heavily threaded productivity and content creation tasks. It takes 13 of the 17 head-to-head benchmark comparisons, with particularly large margins in data compression, integer math, and random string sorting. For users running video encoding, software compilation, or database workloads that scale with thread count, the 13600KF’s 20 threads versus the 235T’s 14 threads provide a substantial advantage. The data shows a 31% lead in PassMark integer math and a 37.9% lead in data compression, making it the superior choice for compute-heavy parallel workloads.

The Intel Core Ultra 5 235T wins in four specific areas that reveal its architectural strengths. It delivers a 109.2% advantage in PassMark find prime numbers, a 17.8% lead in floating-point math, and a 5.4% edge in single-threaded performance. These wins suggest the 235T is better suited for scientific computing, financial modeling, or any application that relies heavily on floating-point calculations or single-core responsiveness. The prime number test, which often reflects branch prediction and integer efficiency, shows the 235T’s newer core design has clear merits despite its lower thread count.

For general desktop use, the 13600KF’s higher boost clock of 5.10 GHz and larger thread pool make it the more versatile performer. However, the 235T’s single-thread advantage means it may feel snappier in everyday tasks like web browsing or office applications that don’t fully utilize all cores. The choice ultimately depends on whether the workload favors parallel throughput or scalar efficiency.

Architecture Differences

The two processors are built on fundamentally different architectures. The Core Ultra 5 235T uses the Arrow Lake-S design on a 3 nm process from TSMC, while the Core i5-13600KF uses Raptor Lake-S on Intel’s 10 nm process. This process difference is significant: the 235T has a die size of 243 mm² with 17,800 million transistors, whereas the 13600KF has a slightly larger 257 mm² die with no transistor count listed. The newer process allows the 235T to achieve its performance with a 65 W TDP compared to the 13600KF’s 125 W TDP.

Core configuration is where the biggest difference emerges. Both have 14 cores, but the 235T has 14 threads, indicating no hyper-threading, while the 13600KF has 20 threads, meaning 6 of its cores support hyper-threading. This explains the 13600KF’s multi-threaded dominance. The 235T has a base clock of 2.20 GHz and boost of 5.00 GHz, while the 13600KF runs at 3.50 GHz base and 5.10 GHz boost. The 235T’s lower base clock but higher single-thread score suggests its architecture is more efficient per clock.

Cache hierarchies also differ notably. The 235T features 192 KB L1 and 3 MB L2 per core, while the 13600KF has 80 KB L1 and 2 MB L2 per core. Both share 24 MB L3 cache. The larger per-core caches on the 235T likely contribute to its floating-point and single-thread wins. Memory support diverges as well: the 235T supports only DDR5 with dual-channel memory and a bandwidth of 102.4 GB/s, while the 13600KF supports both DDR4 and DDR5. The 13600KF also supports ECC memory, which the 235T does not.

Socket and platform requirements differ completely. The 235T uses Intel Socket 1851 with PCIe Gen 5 providing 20 lanes, while the 13600KF uses Socket 1700 with 16 PCIe Gen 5 lanes. The 235T includes integrated Arc Xe-LPG Graphics with 24 execution units; the 13600KF has no integrated graphics. The 13600KF has an unlocked multiplier for overclocking, while the 235T is locked.

Head-to-Head Benchmarks

The most lopsided result is in PassMark data compression, where the 13600KF scores 475,505 against the 235T’s 295,100, a 37.9% deficit. This test heavily favors the 13600KF’s extra threads and higher clock speeds. Integer math shows a similar story: 122,169 versus 84,244, a 31% gap. Random string sorting also favors the 13600KF by 30.4%, with scores of 50,851 versus 35,377. These results consistently point to the 13600KF’s superiority in memory-intensive, parallel workloads.

The 235T’s biggest win is in PassMark find prime numbers, where it scores 318 against the 13600KF’s 152, a 109.2% advantage. This is the largest single delta in either direction. Floating-point math also goes to the 235T, 106,546 versus 90,424, a 17.8% lead. This suggests the 235T’s architecture has a stronger floating-point unit. In single-threaded PassMark tests, the 235T scores 4,339 versus 4,118, a 5.4% edge, indicating better per-core efficiency.

Cinebench results are uniformly in favor of the 13600KF across all versions. In Cinebench R23 multi-core, the 13600KF scores 31,727 versus 26,232, a 17.3% lead. The same 17.3% delta appears in R15, R20, and single-core variants. For example, R23 single-core shows 4,479 versus 3,703. This consistency suggests the 13600KF’s higher boost clock of 5.10 GHz provides a steady advantage in both single and multi-threaded rendering workloads. PassMark multithread also favors the 13600KF, 37,488 versus 30,918, a 17.5% gap. Data encryption shows a closer contest, with the 13600KF ahead by 13% (26,957 versus 23,457).

FAQ

Q: Which processor has better multi-threaded performance?

A: The Intel Core i5-13600KF is consistently ahead in multi-threaded tests. It leads by 17.3% in all Cinebench R15, R20, and R23 multi-core benchmarks, and by 17.5% in PassMark multithread. This is primarily due to its 20 threads versus the 235T’s 14.

Q: Does the newer Core Ultra 5 235T win any benchmarks?

A: Yes, it wins four tests. The 235T has a 109.2% advantage in PassMark find prime numbers, a 17.8% lead in floating-point math, and a 5.4% edge in PassMark single-thread. It also wins the duplicate singlethread test by the same margin.

Q: How do their power requirements compare?

A: The Core Ultra 5 235T has a 65 W TDP, while the Core i5-13600KF has a 125 W TDP. The 235T’s lower power draw aligns with its 3 nm TSMC process, whereas the 13600KF uses Intel’s 10 nm process.

Q: Do both processors support overclocking?

A: No. The Core i5-13600KF has an unlocked multiplier, making it overclockable. The Core Ultra 5 235T has a locked multiplier and does not support overclocking.

Q: Which CPU has integrated graphics?

A: The Core Ultra 5 235T includes Arc Xe-LPG Graphics with 24 execution units. The Core i5-13600KF has no integrated graphics, which is indicated by the "F" suffix in its name.

Q: Are their memory support options different?

A: Yes. The 235T supports only DDR5 memory with dual-channel configuration and 102.4 GB/s bandwidth. The 13600KF supports both DDR4 and DDR5, though its memory bandwidth is not listed.

Specification Differences

| Specification | Intel Core Ultra 5 235T | Intel Core i5-13600KF |

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

| Series | Core Ultra Series 2 | Core 13th Gen |

| Threads | 14 | 20 |

| Base Clock | 2.20 GHz | 3.50 GHz |

| Boost Clock | 5.00 GHz | 5.10 GHz |

| TDP | 65 W | 125 W |

| Socket | Intel Socket 1851 | Intel Socket 1700 |

| Architecture | Arrow Lake | Raptor Lake |

| Process Node | 3 nm | 10 nm |

| Foundry | TSMC | Intel |

| Transistors | 17,800 million | Not listed |

| Die Size | 243 mm² | 257 mm² |

| L1 Cache | 192 KB (per core) | 80 KB (per core) |

| L2 Cache | 3 MB (per core) | 2 MB (per core) |

| Memory Support | DDR5 | DDR4, DDR5 |

| Memory Bandwidth | 102.4 GB/s | Not listed |

| ECC Memory | No | Yes |

| PCIe Lanes | Gen 5, 20 Lanes | Gen 5, 16 Lanes |

| Integrated Graphics | Arc Xe-LPG Graphics 24EU | None |

| Multiplier Unlocked | No | Yes |

| Part Number | SRQES | SRMBE |

| Release Date | 2025-01-06 | 2022-09-26 |

| Launch MSRP | $247 | $294 |