Intel Core i7-11700K vs Intel Core i9-11900KF Comparison

FAQ

Q: How do the Core i9-11900KF and Core i7-11700K compare in overall average benchmark score?

A: The Core i9-11900KF records an average benchmark score of 26212, while the Core i7-11700K sits at 25812. That places the i9 roughly 1.5% ahead in the database's aggregate scoring, a modest but consistent edge.

Q: Which processor wins more individual benchmark tests?

A: The data shows the Core i9-11900KF wins 22 of the 25 head-to-head benchmarks, while the Core i7-11700K wins only 3. The i7's victories are narrow: data encryption by 0.1%, extended instructions by 1.1%, and physics by 0.5%.

Q: Are there any tests where the two chips tie?

A: Yes, in the passmark find prime numbers test both score exactly 66. The delta is recorded as 0%, and the database lists the i9 as the nominal winner, but the result is effectively identical.

Q: What is the single biggest performance gap in favor of the Core i9-11900KF?

A: The largest delta appears in 3dmark_2_threads, where the i9 scores 2005 against the i7's 1907, a 5.1% advantage. Several other 3dmark tests show 5% or 4.7% gaps, indicating the i9's strength in lightly threaded synthetic workloads.

Q: How close are the two in multi-core rendering workloads?

A: Very close. In Cinebench R23 multicore, the i9 scores 20838 versus 20666 for the i7, a 0.8% gap. The R20 multicore results show 8751 versus 8679, also 0.8%. The i9 leads, but the margin is small enough to be within run-to-run variance.

Q: Do both processors share the same socket and memory support?

A: Yes. Both use Intel Socket 1200, support DDR4 memory in dual-channel mode, and offer Gen 4 PCIe with 20 lanes (CPU only). Their memory bandwidth is listed as 51.2 GB/s for both, and neither supports ECC memory.

The Verdict

The benchmark database paints a clear picture: the Core i9-11900KF is the faster processor in almost every measured scenario, but the magnitude of its advantage depends heavily on the workload. For single-threaded and lightly threaded tasks, the i9 shows meaningful leads, often between 4% and 5.1%. For heavily threaded rendering workloads, the gap shrinks to under 1% in Cinebench tests.

The Core i7-11700K is the more sensible pick for users who prioritize a balanced desktop processor with integrated graphics, since the i7 includes UHD Graphics 750 while the i9-11900KF has no integrated graphics at all. The i7 also has a higher base clock (3.60 GHz versus 3.50 GHz), though the i9's boost clock reaches 5.30 GHz versus 5.00 GHz for the i7.

Given the i9's launch MSRP of $513 versus the i7's $399, the database suggests the i7 is the value-oriented choice for users who do not need the i9's extra single-thread headroom. However, for users chasing maximum benchmark scores in 3DMark and Geekbench, the i9 delivers consistently higher numbers. The i7's three wins (data encryption, extended instructions, physics) are all narrow and may not translate into perceptible real-world differences.

Head-to-Head Benchmarks

The i9's dominance is most pronounced in the 3DMark suite. In 3dmark_16_threads, the i9 scores 8335 versus 8095, a 3% lead. The gap widens in 3dmark_2_threads (2005 versus 1907, 5.1%), 3dmark_4_threads (3834 versus 3653, 5%), 3dmark_8_threads (6671 versus 6370, 4.7%), and 3dmark_max_threads (8322 versus 8080, 3%). The single-thread variant shows 1026 versus 977, a 5% edge. These results indicate that the i9's higher boost clock (5.30 GHz versus 5.00 GHz) translates directly into better performance when fewer cores are active.

Geekbench results follow a similar pattern. The multicore score reads 10953 for the i9 against 10521 for the i7, a 4.1% advantage. The single-core score of 2062 versus 1974 represents a 4.5% lead. These are among the larger deltas in the dataset, reinforcing the i9's strength in both single-threaded and multi-threaded general-purpose tasks.

Cinebench tells a different story. In R15 multicore, the i9 scores 2100 versus 2082, a 0.9% gap. R20 multicore shows 8751 versus 8679, and R23 multicore shows 20838 versus 20666, both at 0.8%. Single-core results are similarly tight: R15 at 296 versus 294 (0.7%), R20 at 1235 versus 1225 (0.8%), R23 at 2941 versus 2917 (0.8%). The i9 wins, but the margins are slim, suggesting that the i7 is nearly as capable in heavily threaded rendering workloads.

The Passmark suite shows a split. The i9 wins floating point math (52640 versus 51119, 3%), integer math (89023 versus 86390, 3%), multithread (24708 versus 24408, 1.2%), single thread (3527 versus 3390, 4%), random string sorting (37383 versus 36755, 1.7%), and data compression (325688 versus 322689, 0.9%). The i7 counters with data encryption (15638 versus 15623, 0.1% lead), extended instructions (22964 versus 22703, 1.1% lead), and physics (1039 versus 1034, 0.5% lead). The find prime numbers test ties at 66.

Specification Differences

The two processors share the same core and thread counts (8 cores, 16 threads), the same TDP (125 watts), the same socket (Intel Socket 1200), and the same memory configuration (DDR4, dual-channel, 51.2 GB/s bandwidth). The key differences are clock speeds and integrated graphics.

The Core i9-11900KF runs a base clock of 3.50 GHz and a boost clock of 5.30 GHz. The Core i7-11700K runs a base clock of 3.60 GHz and a boost clock of 5.00 GHz. This means the i7 has a higher base frequency by 0.10 GHz, but the i9 boosts 0.30 GHz higher. In practice, the i9's higher boost is responsible for its single-thread benchmark wins.

The most significant specification difference is integrated graphics. The i7-11700K includes UHD Graphics 750, while the i9-11900KF has no integrated graphics (the "F" suffix denotes this). For users who require a display output without a discrete GPU, the i7 is the only option of the two.

The die size also differs: the i9 lists a die size of 276 mm², while the i7 has no recorded die size in the database. Both are built on Intel's 14 nm process and use the Rocket Lake architecture. The launch MSRP differs as well, with the i9 at $513 and the i7 at $399.

Architecture Differences

Both processors are members of Intel's Core 11th Gen series, built on the Rocket Lake architecture with the Rocket Lake-S codename. They use the same 14 nm process node from Intel's own foundry. The cache hierarchy is identical: 80 KB of L1 per core, 512 KB of L2 per core, and 16 MB of shared L3 cache.

The generation field lists both as part of the Rocket Lake-S family, with the i9 labeled as Core i9 and the i7 as Core i7. The part numbers differ (SRKNF for the i9, SRKNL for the i7), but this is a minor manufacturing identifier. Both have unlocked multipliers, so overclocking is possible on either chip.

The production status for both is end-of-life, and both were released on the same date in March 2021. The PCIe configuration is identical: Gen 4 with 20 lanes (CPU only). Neither supports ECC memory. The architecture-level differences are minimal, which explains why the benchmark gaps are so small in heavily threaded workloads. The i9's advantage comes almost entirely from its higher boost clock and possibly better binning, not from a fundamentally different design.

Where Each One Wins

The Core i9-11900KF wins in synthetic gaming and general-purpose benchmarks. The 3DMark suite shows consistent leads of 3% to 5.1% across all thread counts, making the i9 the better choice for users who prioritize 3DMark scores or run similar lightly threaded applications. Geekbench single-core and multicore results also favor the i9 by roughly 4.1% to 4.5%, indicating an edge in everyday desktop responsiveness and general productivity.

The i9 also wins in Passmark integer math, floating point math, single-thread, multithread, random string sorting, and data compression. These are common operations in office work, content creation, and software development. The i9's higher boost clock gives it a measurable edge in these single-thread-dominated tasks.

The Core i7-11700K wins in three specific areas: data encryption (15638 versus 15623), extended instructions (22964 versus 22703), and physics (1039 versus 1034). The margins are small, but they are consistent. For workloads that rely heavily on AES encryption or specialized instruction sets, the i7 actually outperforms the i9. The physics win is notable for simulation or physics-based computing tasks.

The i7 also holds an advantage in having integrated graphics, which the i9 lacks entirely. For a build without a discrete GPU, the i7 is the only functional option. The i7's higher base clock (3.60 GHz versus 3.50 GHz) may also benefit sustained workloads that do not reach boost frequencies.

In rendering workloads measured by Cinebench, the two are nearly indistinguishable. The i9 leads by less than 1% across R15, R20, and R23 multicore tests. Users who spend most of their time in CPU rendering would see virtually no difference between the two, making the i7's lower launch MSRP the deciding factor for that use case.