Intel Core i5-11600KF vs Intel Core i7-10700F Comparison

The Intel Core i5-11600KF and Intel Core i7-10700F are both 14 nm desktop parts for Intel Socket 1200, but they represent two very different design philosophies from Intel. The data shows a clear split: the i5-11600KF wins 20 of the 25 head-to-head benchmarks, while the i7-10700F takes 5. The i5 is the newer Rocket Lake architecture, while the i7 is the older Comet Lake with two additional physical cores. This creates a fascinating dynamic where the six-core part often outperforms the eight-core part, but the i7 still holds specific advantages in heavily threaded and memory-intensive workloads.

Where Each One Wins

The Intel Core i5-11600KF is the dominant force in single-threaded and lightly threaded tasks. Its wins are concentrated in tests that favor high clock speeds and modern architecture. The 3DMark single-thread test shows the i5 with a score of 962 against the i7's 793, a 21.3% advantage. This pattern repeats across Cinebench single-core tests, where the i5 leads by 20.6% in both R15 and R20, and by 20.5% in R23. Geekbench single-core shows a 22.4% lead for the i5, with scores of 1904 versus 1555. The i5 also dominates in encryption, with a 126.8% delta in PassMark data encryption, and in prime number finding, where it scores 59 versus the i7's 47, a 25.5% edge. The i5's architectural efficiency is evident in its 18.9% win in 3DMark 2-thread and 15.6% win in 4-thread tests.

The Intel Core i7-10700F, by contrast, wins where raw core count and larger cache matter more than per-core performance. Its most significant victory is in 3DMark max threads, scoring 6679 against the i5's 6240, a 6.6% lead. It also wins in PassMark random string sorting with a 12.2% advantage (31625 vs 27767), and in data compression, scoring 253358 versus 242730, a 4.2% edge. The i7 also edges out the i5 in floating-point math, 38578 versus 38129, though by a slim 1.2%. These wins suggest the i7 is better suited for workloads that scale with more physical cores and benefit from its larger 16 MB shared L3 cache, compared to the i5's 12 MB.

Architecture Differences

The architectural gap between these two processors is significant despite sharing the same 14 nm process node from Intel. The Core i5-11600KF is built on Rocket Lake, while the Core i7-10700F uses Comet Lake. The i5 has a die size of 276 mm², while the i7's die size is not listed. Both use DDR4 memory with dual-channel support, but the i5 has a higher memory bandwidth of 51.2 GB/s compared to the i7's 46.9 GB/s.

Core and cache configurations differ substantially. The i5-11600KF has 6 cores and 12 threads, with a base clock of 3.90 GHz and a boost clock of 4.90 GHz. The i7-10700F has 8 cores and 16 threads, with a lower base clock of 2.90 GHz and a boost clock of 4.80 GHz. The i5 has larger per-core caches: 80 KB of L1 and 512 KB of L2 per core, versus 64 KB and 256 KB per core on the i7. However, the i7 compensates with a larger shared L3 cache of 16 MB, while the i5 has 12 MB.

PCIe support also differs. The i5-11600KF supports PCIe Gen 4 with 20 lanes (CPU only), while the i7-10700F is limited to PCIe Gen 3 with 16 lanes. The i5 has an unlocked multiplier, making it overclockable, while the i7 does not. The i5 has a TDP of 125 W, while the i7 is rated at 65 W. The i5 was released on 2021-03-15 with a launch MSRP of $237; the i7 was released on 2020-04-29 with no launch MSRP listed. The i5 is marked as end-of-life, while the i7 remains active in production.

Head-to-Head Benchmarks

The largest single win for the i5-11600KF is in PassMark data encryption, where it scores 12198 against the i7's 5378, a staggering 126.8% delta. This is likely due to the Rocket Lake architecture's improved cryptographic instructions. The i5 also shows a 20.6% win across all three Cinebench multicore tests (R15, R20, and R23), with scores of 1663 vs 1379, 6931 vs 5749, and 16503 vs 13689 respectively. This is remarkable because the i7 has two more cores, yet the i5's higher clocks and newer architecture overcome that deficit.

In Geekbench multicore, the i5 wins 8688 to 7867, a 10.4% margin. PassMark multithread shows the i5 ahead by 20.3%, scoring 19513 versus 16227. The i5 also leads in PassMark physics (954 vs 803, 18.8% delta), integer math (64195 vs 62579, 2.6%), and extended instructions (17619 vs 16389, 7.5%). The i5's single-thread advantage is consistent across all tests, with a 15.7% lead in PassMark single-thread (3327 vs 2875) and a 21.3% lead in 3DMark single-thread.

The i7-10700F's wins, while fewer, are not insignificant. Its 6.6% lead in 3DMark max threads (6679 vs 6240) shows the benefit of 16 threads over 12 when all are fully utilized. The 12.2% win in random string sorting (31625 vs 27767) suggests better memory access patterns with the larger cache. Its 4.2% win in data compression (253358 vs 242730) and 1.2% win in floating-point math are narrower but consistent. The i7 also wins in 3DMark 16-threads by 3.7%, scoring 6476 versus 6237.

The Verdict

The data points to a clear recommendation for most users: the Intel Core i5-11600KF is the superior processor for the majority of workloads. It wins 20 out of 25 benchmarks, including all single-thread tests and all Cinebench multicore tests despite having fewer cores. Its 20.6% lead in Cinebench R23 multicore (16503 vs 13689) is particularly telling, as it demonstrates that Rocket Lake's architectural improvements outweigh Comet Lake's core count advantage in rendering workloads. The i5 also offers PCIe Gen 4 support and an unlocked multiplier, making it more future-proof and flexible for enthusiasts.

However, the Intel Core i7-10700F still has a place for specific use cases. Users who run heavily threaded applications that fully utilize more than 12 threads, such as some video encoding or scientific computing tasks, may see benefits from the i7's 16 threads. Its wins in data compression and random string sorting indicate it handles memory-intensive, multi-threaded data manipulation tasks well. The i7 also has a lower TDP of 65 W, which could be a consideration for power-conscious builds, though the i5's unlocked multiplier allows for performance tuning.

For gaming and general desktop use, the i5-11600KF is the clear winner. Its single-thread dominance (21.3% in 3DMark single-thread) translates to better responsiveness and higher frame rates in most games. For professional workloads that scale with cores, the i7-10700F's 8-core configuration is the safer bet, even if it loses in Cinebench. The choice ultimately hinges on whether the user prioritizes per-core performance or raw core count, and the data shows the i5 wins more often in mixed workloads.

FAQ

Q: Which processor has a higher single-thread performance?

A: The Intel Core i5-11600KF is significantly faster in single-thread tests. It scores 962 in 3DMark single-thread versus the i7-10700F's 793, a 21.3% advantage, and leads by 22.4% in Geekbench single-core (1904 vs 1555).

Q: Does the i7-10700F win in any multicore tests?

A: Yes, the i7-10700F wins in 3DMark max threads (6679 vs 6240, 6.6% lead) and 3DMark 16-threads (6476 vs 6237, 3.7% lead). However, the i5-11600KF wins all Cinebench multicore tests by 20.6% despite having fewer cores.

Q: What is the difference in memory bandwidth between the two?

A: The i5-11600KF has a memory bandwidth of 51.2 GB/s, while the i7-10700F has 46.9 GB/s. Both support DDR4 memory in dual-channel configuration.

Q: Which processor supports PCIe Gen 4?

A: Only the Intel Core i5-11600KF supports PCIe Gen 4, with 20 lanes (CPU only). The i7-10700F is limited to PCIe Gen 3 with 16 lanes.

Q: Are both processors overclockable?

A: No. The i5-11600KF has an unlocked multiplier and supports overclocking, while the i7-10700F has a locked multiplier and does not.

Q: Which CPU has a larger L3 cache?

A: The i7-10700F has a 16 MB shared L3 cache, while the i5-11600KF has 12 MB shared. However, the i5 has larger per-core L1 and L2 caches: 80 KB and 512 KB per core, versus 64 KB and 256 KB per core on the i7.