Intel Core i7-10700K vs Intel Core i9-11900F Comparison

FAQ

Q: Which processor has the higher boost clock?

A: The Intel Core i9-11900F reaches 5.20 GHz, while the Intel Core i7-10700K tops out at 5.10 GHz. The i9 also has a lower base clock at 2.50 GHz versus 3.80 GHz for the i7.

Q: How much faster is the i9-11900F in single-core workloads?

A: The i9 wins the single-thread benchmark suite decisively. In Geekbench single-core, it scores 2220 versus 1701, a 30.5% advantage. Cinebench R23 single-core shows 2648 versus 2220, a 19.3% lead.

Q: Does the i7-10700K win any benchmarks at all?

A: Yes, the i7 takes three wins out of 25 head-to-head tests. It edges the i9 in Geekbench multicore by 0.1% (9430 versus 9417), wins PassMark data compression by 4.9% (295418 versus 280847), and leads PassMark random string sorting by 11.2% (36633 versus 32520).

Q: What is the TDP difference between these two chips?

A: The i9-11900F has a 65 W TDP, while the i7-10700K is rated at 125 W. Despite the lower thermal envelope, the i9 outperforms the i7 in the majority of recorded benchmarks.

Q: Which processor supports PCIe Gen 4?

A: The Intel Core i9-11900F supports PCIe Gen 4 with 20 lanes (CPU only). The Intel Core i7-10700K is limited to PCIe Gen 3 with 16 lanes (CPU only).

Q: Are both processors unlocked for overclocking?

A: No. The i7-10700K has an unlocked multiplier, while the i9-11900F does not. This means the i7 allows manual overclocking, whereas the i9 relies on factory-set boost behavior.

Architecture Differences

The two processors come from different Intel generations, and the architectural gap explains much of the performance delta. The i9-11900F uses Rocket Lake, built on a 14 nm process at Intel's foundry. Its die size is listed at 276 mm². The i7-10700K uses Comet Lake, also on Intel's 14 nm process, but the database does not record a die size for it.

Both chips have 8 cores and 16 threads, so the core count is identical. The cache hierarchy, however, differs per core. The i9-11900F carries 80 KB of L1 per core and 512 KB of L2 per core. The i7-10700K has 64 KB of L1 per core and 256 KB of L2 per core. Shared L3 is the same at 16 MB for both.

Memory support is DDR4 for both, with dual-channel buses. The i9-11900F has a higher theoretical memory bandwidth at 51.2 GB/s, versus 46.9 GB/s for the i7. Neither supports ECC memory.

The i9-11900F lacks integrated graphics in the database record, while the i7-10700K includes UHD Graphics 630. This is a notable feature split for users who need a fallback display output without a discrete GPU.

The i9-11900F is marked as end-of-life, released on 2021-03-15. The i7-10700K is still listed as active, released on 2020-04-29. The i9 launch MSRP is $422; the i7 has no recorded launch MSRP in the database.

The multiplier unlocked flag is another key difference. The i7-10700K allows user-controlled multiplier adjustment, while the i9-11900F is locked. This means the i7 offers manual tuning headroom, though the i9's higher stock boost clock already provides strong out-of-box performance.

The Verdict

The benchmark data points firmly toward the i9-11900F as the faster processor in the vast majority of workloads. It wins 22 of 25 head-to-head comparisons, with an average benchmark score of 23254 versus 22230 for the i7-10700K. The i9 also sits at the 76th percentile among all CPUs, one point above the i7's 75th percentile.

Users seeking maximum single-thread and multi-thread performance from these two options should choose the i9-11900F. Its advantages in Cinebench R23 multicore (18759 versus 15727, a 19.3% lead) and Geekbench single-core (2220 versus 1701, a 30.5% lead) are substantial. The i9 also has a much lower TDP at 65 W versus 125 W, which simplifies cooling requirements.

The i7-10700K has a narrow but real set of wins. It leads in PassMark data compression by 4.9%, random string sorting by 11.2%, and Geekbench multicore by a marginal 0.1%. For workloads that specifically rely on those operations, the i7 can be the better pick. Its unlocked multiplier also gives overclocking flexibility that the i9 lacks, though the recorded benchmark scores are at stock settings.

The i7 also includes integrated graphics, which the i9 does not. If a discrete GPU is unavailable or fails, the i7 can still output a display. That is a practical advantage, though it does not show up in raw compute benchmarks.

For most buyers, the i9-11900F is the stronger choice. The data shows consistent double-digit wins across rendering, encryption, integer math, and single-thread tests. The i7's advantages are limited to a few specialized tasks and overclocking potential.

Specification Differences

| Specification | Intel Core i9-11900F | Intel Core i7-10700K |

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

| Base Clock | 2.50 GHz | 3.80 GHz |

| Boost Clock | 5.20 GHz | 5.10 GHz |

| TDP | 65 W | 125 W |

| Architecture | Rocket Lake | Comet Lake |

| Process Node | 14 nm | 14 nm |

| Die Size | 276 mm² | Not recorded |

| L1 Cache (per core) | 80 KB | 64 KB |

| L2 Cache (per core) | 512 KB | 256 KB |

| L3 Cache (shared) | 16 MB | 16 MB |

| Memory Bandwidth | 51.2 GB/s | 46.9 GB/s |

| PCIe Version | Gen 4, 20 Lanes | Gen 3, 16 Lanes |

| Integrated Graphics | None | UHD Graphics 630 |

| Production Status | End-of-life | Active |

| Release Date | 2021-03-15 | 2020-04-29 |

| Launch MSRP | $422 | Not recorded |

| Multiplier Unlocked | No | Yes |

| Part Number | SRKNK | SRH72 |

Head-to-Head Benchmarks

The i9-11900F dominates the benchmark suite. Its largest single victory is in PassMark data encryption, where it scores 13636 against 6468, a massive 110.8% lead. That result suggests a significant architectural advantage in encryption workloads, likely tied to the Rocket Lake core design and its instruction handling.

Geekbench single-core is another standout. The i9 scores 2220 versus 1701, a 30.5% margin. This aligns with the 3DMark single-thread result, where the i9 leads 996 versus 823, a 21% advantage. The pattern is clear: the i9's per-core performance is substantially higher.

In Cinebench, the i9 wins every variant. R15 multicore shows 1890 versus 1585 (19.2% lead), R20 multicore shows 7878 versus 6605 (19.3% lead), and R23 multicore shows 18759 versus 15727 (19.3% lead). Single-core Cinebench results follow the same trend, with 19.3% leads across R15, R20, and R23.

PassMark integer math favors the i9 by 25.6% (83718 versus 66642). Floating point math also goes to the i9, with 48562 versus 41306, a 17.6% margin. The i9 wins PassMark multithread by 18.8% (22115 versus 18609) and PassMark single-thread by 12.2% (3413 versus 3043).

3DMark results show consistent i9 wins across all thread counts. The 2-thread test gives the i9 a 17.4% lead (1905 versus 1622), the 4-thread test a 13.9% lead (3613 versus 3171), and the 8-thread test a 6.9% lead (6018 versus 5628). The 16-thread and max-thread tests show 9.9% and 9.6% leads respectively.

The i7-10700K has three wins. PassMark random string sorting is its best showing, with 36633 versus 32520, an 11.2% advantage. PassMark data compression goes to the i7 by 4.9% (295418 versus 280847). Geekbench multicore is essentially a tie, with the i7 ahead by 0.1% (9430 versus 9417).

The i9 also wins PassMark extended instructions by a narrow 0.3% (19443 versus 19387) and PassMark physics by 1.7% (949 versus 933). These are close calls, but they still count toward the i9's 22-3 win tally.

Where Each One Wins

The i9-11900F is the clear winner in compute-heavy and single-thread-focused workloads. Rendering tasks, as measured by Cinebench R23 multicore and single-core, show roughly 19% advantages across the board. Encryption work is a standout category, with the i9 doubling the i7's score in PassMark data encryption. Integer math and floating point math also favor the i9 by 25.6% and 17.6% respectively, making it the better option for scientific computing, financial modeling, and general number crunching.

Gaming-oriented benchmarks from 3DMark also point to the i9. The single-thread test shows a 21% lead, which often correlates with frame rates in games that rely on strong per-core performance. The 2-thread and 4-thread tests also favor the i9 by 17.4% and 13.9%, so lightly threaded applications should run better on the i9.

The i7-10700K wins in specific memory-manipulation tasks. PassMark random string sorting favors the i7 by 11.2%, and data compression favors it by 4.9%. These results suggest the i7 handles certain sorting and compression algorithms more efficiently, possibly due to its higher base clock of 3.80 GHz. The i7 also ties the i9 in Geekbench multicore, with a 0.1% edge, meaning heavily threaded general workloads see no meaningful difference between the two.

The i7 also offers two practical advantages not visible in benchmark scores. Its unlocked multiplier allows manual overclocking, which could close gaps in some workloads if the user pushes the chip beyond stock settings. And its integrated UHD Graphics 630 provides display output without a discrete GPU, which the i9 cannot do.

For workloads that involve heavy sorting, compression, or a preference for overclocking flexibility, the i7-10700K is the better fit. For everything else, the i9-11900F leads by wide margins, especially in single-thread and encryption performance. The data is unambiguous: the i9 is the faster chip in most scenarios, and the i7's wins are narrowly confined to a few specialized tasks.