Intel Core i7-13700K vs Intel Core Ultra 7 265T Comparison

Where Each One Wins

The benchmark split is nearly even, but the workloads tell a clear story. The Intel Core i7-13700K takes 10 of 17 head-to-head tests, while the Intel Core Ultra 7 265T wins 7. The older Raptor Lake part dominates in integer-heavy and compression workloads, while the Arrow Lake newcomer takes the single-core crown and specialized math tasks.

The i7-13700K is the clear choice for data compression and encryption. Its PassMark data compression score of 595,292 is 37.8% higher than the 265T's 370,158. Data encryption also favors the 13700K, with a 33,249 score versus 29,687, a 10.7% gap. Integer math follows the same pattern: the 13700K's 154,446 beats the 265T's 104,943 by 32.1%. Random string sorting is another decisive win, 62,670 versus 44,400, a 29.2% margin.

The 265T hits back in workloads that reward its architectural efficiency. The most striking result is Cinebench R23 single-core, where the 265T scores 4,455 against 2,116, a 110.5% advantage. That is not a small edge; it is a doubling of the per-core rendering score. Prime number finding also favors the newer chip, 322 versus 191, a 68.6% win. Floating point math goes to the 265T by 13%, with scores of 129,817 and 114,867.

Multi-threaded rendering is closer than the core counts suggest. The 13700K wins Cinebench R15 multi-core by 29.5% (4,507.5 versus 3,180) and Cinebench R20 multi-core by 18.6% (16,292 versus 13,254). But in Cinebench R23 multi-core, the 265T flips the result, winning 31,558 to 30,745, a modest 2.6% margin. That reversal across different R23 versions of the same workload shows the 265T scales better in the longer, more demanding render test.

Overall averages remain close. The 265T posts an average benchmark score of 47,697 against 46,881 for the 13700K, with the 265T sitting at the 90th percentile of all CPUs and the 13700K at the 89th. The 265T's nearest rivals include the AMD Ryzen 9 7900X3D at -0.4% and the AMD Ryzen 9 PRO 5945 at +0.4%, while the 13700K sits near the AMD Ryzen 9 5900 at -0.2% and the AMD Ryzen AI 9 HX PRO 375 at -0.3%.

Architecture Differences

The two processors come from different Intel families built on different foundry processes. The Core Ultra 7 265T uses Arrow Lake, Intel's architecture on a 3 nm TSMC process, with 17,800 million transistors on a 243 mm² die. The Core i7-13700K uses Raptor Lake, built on Intel's 10 nm process with a 257 mm² die size. The transistor count for the 13700K is not recorded in the database.

Core configuration is a major divergence. The 265T has 20 cores and 20 threads, meaning every core is single-threaded with no hyperthreading. The 13700K has 16 cores and 24 threads, using Intel's hybrid layout with 8 performance cores and 8 efficiency cores, where the performance cores add an extra thread each. The 13700K's 24 threads exceed the 265T's 20 threads, which helps explain its wins in highly parallel integer workloads.

Cache hierarchies differ in size per core but share the same L3 total. Both chips have 30 MB of shared L3 cache. The 265T carries 192 KB of L1 per core and 3 MB of L2 per core, while the 13700K has 80 KB of L1 per core and 2 MB of L2 per core. The newer chip's larger per-core caches align with its single-core benchmark superiority.

Memory support also separates the two. The 265T supports DDR5 only, with dual-channel memory and a recorded bandwidth of 102.4 GB/s. The 13700K supports both DDR4 and DDR5 in dual-channel mode, though its bandwidth figure is not listed in the database. ECC memory support also differs: the 13700K supports ECC, while the 265T does not.

Integrated graphics are different generations. The 265T pairs with Arc Xe-LPG Graphics with 64 execution units, while the 13700K uses UHD Graphics 770. Both are desktop parts on different sockets, LGA 1851 for the 265T and LGA 1700 for the 13700K. PCIe support is identical on paper: Gen 5 with 20 lanes from the CPU.

The 13700K has an unlocked multiplier, making it overclockable, while the 265T is locked. The 265T's launch MSRP is $384, and the 13700K's launch MSRP is $409. Both parts remain in active production.

FAQ

Q: Which processor is faster in single-core performance?

A: The Intel Core Ultra 7 265T wins every recorded single-core comparison. In Cinebench R23 single-core, it scores 4,455 versus 2,116 for the 13700K, a 110.5% advantage. PassMark single-thread is nearly identical, 4,338 versus 4,333, a 0.1% edge for the 265T.

Q: Why does the i7-13700K win so many multi-threaded tests despite fewer cores?

A: The 13700K has 24 threads against 20 for the 265T, and its higher 125 W TDP allows sustained multi-core output. The database shows it winning PassMark multi-thread by 19.2% (45,887 versus 37,084) and Cinebench R15 multi-core by 29.5%.

Q: Is the Core Ultra 7 265T better for rendering workloads?

A: It depends on the test. The 265T wins Cinebench R23 multi-core by 2.6% (31,558 versus 30,745) and dominates single-core rendering. The 13700K wins the older R15 and R20 multi-core tests by 29.5% and 18.6% respectively.

Q: Can the i7-13700K be overclocked?

A: Yes. The 13700K has an unlocked multiplier. The 265T does not, as its multiplier is locked.

Q: Which processor supports ECC memory?

A: The Intel Core i7-13700K supports ECC memory. The Intel Core Ultra 7 265T does not.

Q: How do their overall benchmark averages compare?

A: The 265T has an average benchmark score of 47,697, which is 1.7% higher than the 13700K's 46,881. The 265T sits at the 90th percentile of all CPUs, while the 13700K is at the 89th.

Specification Differences

| Specification | Intel Core Ultra 7 265T | Intel Core i7-13700K |

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

| Architecture | Arrow Lake | Raptor Lake |

| Process node | 3 nm (TSMC) | 10 nm (Intel) |

| Transistors | 17,800 million | Not recorded |

| Die size | 243 mm² | 257 mm² |

| Cores | 20 | 16 |

| Threads | 20 | 24 |

| Base clock | 1.50 GHz | 3.40 GHz |

| Boost clock | 5.30 GHz | 5.40 GHz |

| TDP | 35 W | 125 W |

| Socket | Intel Socket 1851 | Intel Socket 1700 |

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

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

| L3 cache | 30 MB (shared) | 30 MB (shared) |

| Memory support | DDR5 | DDR4, DDR5 |

| Memory bandwidth | 102.4 GB/s | Not recorded |

| ECC memory | No | Yes |

| Integrated graphics | Arc Xe-LPG Graphics 64EU | UHD Graphics 770 |

| Multiplier unlocked | No | Yes |

| Launch MSRP | $384 | $409 |

| Part number | SRQCS | SRMB8 |

Head-to-Head Benchmarks

The largest win for either side is the Cinebench R23 single-core test, where the 265T scores 4,455 against 2,116, a 110.5% advantage. This is the defining result of the comparison. The newer Arrow Lake design delivers roughly double the per-core rendering performance of the Raptor Lake part, and this advantage carries into every single-threaded workload in the database.

The 265T also wins PassMark find prime numbers by 68.6%, scoring 322 versus 191. Floating point math goes to the 265T by 13%, 129,817 versus 114,867. PassMark single-thread is essentially a tie, with the 265T ahead by just 0.1% at 4,338 versus 4,333.

On the 13700K side, the biggest win is PassMark data compression. The 13700K scores 595,292 against 370,158, a 37.8% margin. Integer math is the second-largest win, 154,446 versus 104,943, a 32.1% gap. Random string sorting goes to the 13700K by 29.2% (62,670 versus 44,400), and Cinebench R15 multi-core by 29.5% (4,507.5 versus 3,180). PassMark extended instructions favor the 13700K by 21.9%, and PassMark multi-thread by 19.2%. Cinebench R20 multi-core is an 18.6% win for the 13700K (16,292 versus 13,254), and data encryption is a 10.7% win. PassMark physics goes to the 13700K by 12%, 2,716 versus 2,391.

The Cinebench R23 multi-core result is the notable exception to the 13700K's multi-thread dominance. The 265T wins 31,558 to 30,745, a 2.6% margin. This suggests the 265T's lower TDP does not prevent it from sustaining strong multi-core performance in longer render workloads, even though the 13700K wins the shorter R15 and R20 multi-core tests.

The Verdict

The data points to two distinct use cases. The Intel Core i7-13700K is the better processor for integer-heavy, compression, and encryption workloads. Its 24 threads and higher 125 W TDP deliver decisive wins in PassMark data compression (37.8% ahead), integer math (32.1% ahead), and random string sorting (29.2% ahead). Users running archival tools, database operations, or any workload that stresses integer throughput will see a meaningful advantage from the 13700K.

The Intel Core Ultra 7 265T is the better choice for single-core performance and scientific computing patterns. Its 110.5% lead in Cinebench R23 single-core and 68.6% lead in prime number finding show a fundamentally more efficient core design. The 13% win in floating point math further supports this, as does the 2.6% win in Cinebench R23 multi-core despite the 13700K's thread advantage. The 265T also has a lower 35 W TDP, which gives it an efficiency profile that the 13700K cannot match.

The overall averages are close, with the 265T at 47,697 and the 13700K at 46,881. The 265T edges ahead in the 90th percentile versus 89th. Neither processor is a universal winner. The 13700K remains the workhorse for multi-threaded integer and compression tasks, while the 265T is the modern architecture pick for single-thread responsiveness, floating point, and power-conscious builds. The 13700K's unlocked multiplier and ECC support add flexibility for overclockers and workstation users, while the 265T's DDR5-only support and locked multiplier define a more fixed, efficiency-oriented platform.