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

The Intel Core i5-11600K and Intel Core i7-10700F are both 14 nm desktop parts on the Intel Socket 1200 platform, but they deliver very different experiences. The benchmark data shows the i5-11600K wins 20 of 25 head-to-head comparisons, while the i7-10700F takes 5. The i5-11600K is the clear choice for single-threaded performance and most multi-threaded workloads, while the i7-10700F holds its own in a few specific memory and compression tasks. The i5-11600K’s higher clock speeds and newer architecture give it a decisive edge in most scenarios, making it the better pick for general productivity and gaming, despite having fewer cores. The i7-10700F, with its extra two cores and larger L3 cache, is the better option for niche multi-threaded tasks that favor its specific strengths.

The Verdict

The data points to a straightforward recommendation: choose the Intel Core i5-11600K if you want the faster all-around CPU. It leads by 20.9% in Cinebench R23 multi-core (16552 vs 13689) and by 26.9% in Geekbench single-core (1973 vs 1555). Its average benchmark score of 19786 is only 1.5% higher than the i7-10700F’s 19499, but the distribution of wins is heavily skewed toward the i5. The i5-11600K is the pick for anyone valuing responsiveness, single-thread speed, and modern features like PCIe Gen 4. The i7-10700F is for a narrower audience: those who prioritize raw core count in specific workloads like data compression (253358 vs 242740, a 4.2% lead) and random string sorting (31625 vs 27870, an 11.9% lead), and who do not need an integrated GPU. For most builders, the i5-11600K’s superior benchmark results make it the more practical purchase, especially given its unlocked multiplier for overclocking.

Architecture Differences

The i5-11600K uses the Rocket Lake architecture, while the i7-10700F is built on Comet Lake. Both are fabricated on Intel’s 14 nm process node, but they are fundamentally different designs. The i5-11600K 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 much lower base clock of 2.90 GHz and a boost clock of 4.80 GHz. This clock speed difference is the primary driver of the i5’s single-thread dominance. The i5-11600K also features 80 KB of L1 cache per core, while the i7-10700F has 64 KB per core; both share 256 KB of L2 per core. The L3 cache differs significantly: the i5 has 12 MB shared, while the i7 has 16 MB shared. The i5-11600K supports PCIe Gen 4 with 20 lanes, whereas the i7-10700F is limited to PCIe Gen 3 with 16 lanes. The i5 also has integrated UHD Graphics 750, while the i7-10700F has no integrated graphics, making it an "F" variant. The i5’s memory bandwidth is 51.2 GB/s versus 46.9 GB/s for the i7. The i5-11600K is end-of-life and was released on 2021-03-15, while the i7-10700F is still active and was released on 2020-04-29.

Head-to-Head Benchmarks

The most striking results come in the single-thread tests, where the i5-11600K’s clock speed advantage is fully realized. In 3DMark single-thread, the i5 scores 967 versus 793 for the i7, a 21.9% lead. Geekbench single-core shows a 26.9% gap (1973 vs 1555). Cinebench R23 single-core is 20.9% faster (2336 vs 1932). These are not marginal differences; they represent a generational leap in per-core performance. The i5 also dominates in multi-threaded Cinebench tests, winning by 20.9-21% across R15, R20, and R23. For example, Cinebench R23 multi-core is 16552 for the i5 versus 13689 for the i7. This is surprising given the i7 has two more cores, but the i5’s higher clocks and better IPC compensate. PassMark multi-thread shows a 20.3% lead for the i5 (19527 vs 16227). In 3DMark 16-thread tests, the i7 takes a 3.5% win (6476 vs 6247), and in 3DMark max-threads, the i7 wins by 6.1% (6679 vs 6270), indicating that at very high thread counts, the i7’s extra cores start to matter. However, the i5 wins 3DMark 2-thread by 18.9% (1861 vs 1565), 4-thread by 16.2% (3512 vs 3022), and 8-thread by 4.5% (5268 vs 5039). The i7’s other wins are in PassMark data compression (4.2% lead), random string sorting (11.9% lead), and floating point math (0.8% lead). The i5’s biggest single win is in PassMark data encryption, where it scores 12212 versus 5378, a massive 127.1% difference.

Specification Differences

The two CPUs differ in several key specifications. The i5-11600K has 6 cores and 12 threads, while the i7-10700F has 8 cores and 16 threads. Base clocks are 3.90 GHz for the i5 and 2.90 GHz for the i7. Boost clocks are 4.90 GHz for the i5 and 4.80 GHz for the i7. The TDP is 125 W for the i5 and 65 W for the i7. The L1 cache is 80 KB per core on the i5 versus 64 KB per core on the i7. L3 cache is 12 MB shared on the i5 and 16 MB shared on the i7. Memory bandwidth is 51.2 GB/s on the i5 and 46.9 GB/s on the i7. PCIe support is Gen 4 with 20 lanes on the i5, versus Gen 3 with 16 lanes on the i7. The i5 has integrated UHD Graphics 750; the i7 has none. The i5 has an unlocked multiplier; the i7 is locked. The i5’s die size is 276 mm², while the i7’s is not listed. The i5 has a launch MSRP of $262; the i7 has no listed launch MSRP. The i5 is end-of-life, while the i7 is active. Part numbers are SRKNU for the i5 and SRH70 for the i7. The i5’s release date is 2021-03-15, and the i7’s is 2020-04-29.

FAQ

Q: Which CPU is faster in single-threaded performance?

A: The i5-11600K is significantly faster. It leads by 21.9% in 3DMark single-thread (967 vs 793), 26.9% in Geekbench single-core (1973 vs 1555), and 20.9% in Cinebench R23 single-core (2336 vs 1932).

Q: Does the i7-10700F’s extra two cores make it better for multi-threaded workloads?

A: Not generally. The i5-11600K wins most multi-threaded tests, including Cinebench R23 multi-core by 20.9% (16552 vs 13689) and PassMark multi-thread by 20.3% (19527 vs 16227). The i7 only wins in 3DMark 16-thread (6476 vs 6247) and 3DMark max-threads (6679 vs 6270).

Q: Which CPU has better memory bandwidth?

A: The i5-11600K has higher memory bandwidth at 51.2 GB/s, compared to 46.9 GB/s for the i7-10700F.

Q: Does the i5-11600K support PCIe Gen 4?

A: Yes, the i5-11600K supports PCIe Gen 4 with 20 lanes. The i7-10700F is limited to PCIe Gen 3 with 16 lanes.

Q: Is there a difference in integrated graphics?

A: Yes, the i5-11600K includes UHD Graphics 750, while the i7-10700F has no integrated graphics at all.

Q: Which CPU has a higher TDP?

A: The i5-11600K has a TDP of 125 W, while the i7-10700F has a TDP of 65 W.

Where Each One Wins

The i5-11600K is the winner for most use cases. It excels in single-threaded applications like older games, office productivity, and web browsing, where its 21.9% lead in 3DMark single-thread and 26.9% lead in Geekbench single-core translate to snappier performance. It also dominates in encryption workloads, with a 127.1% lead in PassMark data encryption (12212 vs 5378), making it ideal for security-focused tasks. Its wins in Cinebench R23 multi-core (20.9% lead) and PassMark multi-thread (20.3% lead) mean it handles video editing and 3D rendering better than the i7, despite having fewer cores. The i5’s PCIe Gen 4 support and higher memory bandwidth also make it more future-proof for fast SSDs and modern GPUs. Additionally, its integrated graphics provide a fallback for troubleshooting or basic display output, which the i7 lacks.

The i7-10700F wins in a narrow set of scenarios. Its 8 cores and 16 threads give it an edge in heavily threaded workloads that scale perfectly, as seen in 3DMark max-threads (6679 vs 6270, a 6.1% lead) and 3DMark 16-threads (6476 vs 6247, a 3.5% lead). It also wins in PassMark data compression (253358 vs 242740, a 4.2% lead) and random string sorting (31625 vs 27870, an 11.9% lead), which suggests it may be better for file archiving or database operations that rely on large cache and high core counts. Its 65 W TDP means it draws less power, which could be relevant for low-power builds, though the i5’s higher TDP is offset by its performance. For users who specifically need those compression and sorting wins, the i7-10700F is the choice, but for every other metric, the i5-11600K is the superior processor.