Intel Core i5-14600K vs Intel Core i9-12900F Comparison

Head-to-Head Benchmarks

The head-to-head data presents a clear split between the two processors across 19 recorded tests. The Intel Core i5-14600K wins 14 of those tests, while the Intel Core i9-12900F takes 5. The margin of victory, however, varies dramatically depending on the workload.

The i5-14600K's largest victories come in multi-threaded and physics-based workloads. In PassMark Physics, it scores 2473 against the i9-12900F's 1842, a 34.3% advantage. The Cinebench R15 multi-core test shows an 18.8% lead with scores of 3640 versus 3064. The PassMark find prime numbers test shows a 27.6% gap in favor of the i5-14600K, scoring 162 against 127. These results indicate the i5-14600K handles heavily parallel integer workloads with notably more efficiency.

The i9-12900F counters with decisive wins in two specific Cinebench tests, though the results are contradictory. In Cinebench R23 single-core, the i9-12900F scores 4292 against the i5-14600K's 2064, a 51.9% advantage. The same processor wins Cinebench R23 multi-core with 30405 versus 24491, a 19.5% margin. Yet in Cinebench R15 single-core, the i9-12900F leads 432 to 297, a 31.2% gap, while in Cinebench R20 single-core, the i5-14600K wins 1935 to 1802, a 7.4% margin. These swings suggest the two chips respond very differently to the specific instruction mixes and scaling across Cinebench versions.

The i9-12900F also edges ahead in PassMark floating point math (96452 vs 92794, a 3.8% lead) and integer math (129504 vs 125737, a 2.9% lead). These are the only PassMark tests where the i9-12900F wins, and the margins are modest.

In the remaining tests, the i5-14600K consistently holds a smaller but reliable edge. Geekbench multi-core shows 16673 versus 15965, a 4.4% lead. Geekbench single-core shows 2491 versus 2339, a 6.5% lead. PassMark single-thread shows 4270 versus 4017, a 6.3% lead. Data compression, encryption, extended instructions, multithread, and random string sorting all favor the i5-14600K by margins between 1% and 9%.

The average benchmark scores reflect this overall balance. The i5-14600K averages 48618, placing it in the 90th percentile of all CPUs. The i9-12900F averages 47176, placing it in the 89th percentile. The i5-14600K sits within 0.2% of the Intel Xeon Gold 5318H and 0.3% of the AMD EPYC 4345P. The i9-12900F sits within 0.3% of the AMD Ryzen AI 9 HX PRO 375 and 0.4% of the AMD Ryzen 9 5900.

FAQ

Q: Which processor has the higher multi-core benchmark score?

A: The Intel Core i5-14600K wins most multi-core tests. It leads by 18.8% in Cinebench R15 multi-core, 7.4% in Cinebench R20 multi-core, 4.4% in Geekbench multi-core, and 7.7% in PassMark multithread. The i9-12900F, however, wins Cinebench R23 multi-core by 19.5%.

Q: What is the biggest single-core performance difference?

A: The largest single-core gap is in Cinebench R23, where the i9-12900F scores 4292 versus the i5-14600K's 2064, a 51.9% difference. In Cinebench R15 single-core, the i9-12900F leads by 31.2%. In contrast, the i5-14600K wins Cinebench R20 single-core by 7.4%, Geekbench single-core by 6.5%, and PassMark single-thread by 6.3%.

Q: How do the two processors compare in physics workloads?

A: The i5-14600K shows a substantial 34.3% lead in PassMark Physics, scoring 2473 against the i9-12900F's 1842. This is one of the largest margins in the entire head-to-head comparison.

Q: Which processor is better for data-heavy tasks like compression and encryption?

A: The i5-14600K leads in both. PassMark data compression shows 482020 versus 451402, a 6.8% margin. PassMark data encryption shows 27533 versus 25251, a 9% margin.

Q: What are the average benchmark scores for each processor?

A: The i5-14600K has an average benchmark score of 48618, placing it in the 90th percentile. The i9-12900F has an average score of 47176, placing it in the 89th percentile.

Q: How many tests does each processor win?

A: The i5-14600K wins 14 of the 19 head-to-head tests. The i9-12900F wins 5 tests.

Architecture Differences

The two processors come from different Intel generations and microarchitectures. The i5-14600K is built on Raptor Lake, specifically the Raptor Lake-R die, and belongs to the Core 14th Gen series. The i9-12900F is built on Alder Lake, specifically the Alder Lake-S die, and belongs to the Core 12th Gen series.

Both use a 10 nm process node from Intel's own foundry, so process technology is identical. The die sizes, however, differ. The i5-14600K has a die size of 257 mm², while the i9-12900F has a smaller die at 215 mm². This is notable because the i9-12900F actually contains more cores and threads.

The core and thread counts differ significantly. The i5-14600K has 14 cores and 20 threads. The i9-12900F has 16 cores and 24 threads. Despite having fewer cores, the i5-14600K wins the majority of benchmark tests, suggesting architectural improvements in Raptor Lake over Alder Lake.

Cache layouts also differ. Both share an L1 cache of 80 KB per core. The L2 cache differs: the i5-14600K has 2 MB per core, while the i9-12900F has 1.25 MB per core. The L3 cache favors the i9-12900F, which has 30 MB shared, while the i5-14600K has 24 MB shared.

Clock speeds favor the i5-14600K. Its base clock is 3.50 GHz and boost clock is 5.30 GHz. The i9-12900F has a base clock of 2.40 GHz and a boost clock of 5.10 GHz. The i5-14600K also carries a higher TDP of 125 watts versus the i9-12900F's 65 watts.

Integrated graphics present another difference. The i5-14600K includes UHD Graphics 770. The i9-12900F has no integrated graphics, as indicated by the F suffix in its name. Both processors support DDR4 and DDR5 memory through a dual-channel bus, and both support ECC memory. PCIe support is identical: Gen 5 with 16 lanes from the CPU.

The i5-14600K has an unlocked multiplier, as does the i9-12900F. The i5-14600K was released on 2023-10-16, while the i9-12900F was released earlier on 2022-01-03.

Specification Differences

The table below outlines only the fields where the two processors differ.

• Cores: i5-14600K has 14, i9-12900F has 16.
• Threads: i5-14600K has 20, i9-12900F has 24.
• Base Clock: i5-14600K runs at 3.50 GHz, i9-12900F at 2.40 GHz.
• Boost Clock: i5-14600K boosts to 5.30 GHz, i9-12900F to 5.10 GHz.
• TDP: i5-14600K is rated at 125 watts, i9-12900F at 65 watts.
• Architecture: i5-14600K is Raptor Lake, i9-12900F is Alder Lake.
• Codename: i5-14600K is Raptor Lake-R, i9-12900F is Alder Lake-S.
• Generation: i5-14600K is Core i5 (Raptor Lake Refresh), i9-12900F is Core i9 (Alder Lake-S).
• Die Size: i5-14600K measures 257 mm², i9-12900F measures 215 mm².
• L2 Cache: i5-14600K has 2 MB per core, i9-12900F has 1.25 MB per core.
• L3 Cache: i5-14600K has 24 MB shared, i9-12900F has 30 MB shared.
• Memory Bandwidth: i9-12900F lists 76.8 GB/s, i5-14600K does not list a figure.
• Integrated Graphics: i5-14600K has UHD Graphics 770, i9-12900F has none.
• Release Date: i5-14600K launched 2023-10-16, i9-12900F launched 2022-01-03.
• Launch MSRP: i5-14600K at $319, i9-12900F at $494.
• Part Number: i5-14600K is SRN43, i9-12900F is SRL4L.

The Verdict

The benchmark data does not point to a single universal winner. Instead, the choice depends on the workload profile.

The i5-14600K is the stronger overall performer based on the win count and average benchmark score. It wins 14 of 19 tests, holds a higher average score (48618 vs 47176), and ranks in the 90th percentile versus the i9-12900F's 89th percentile. Its wins are concentrated in the broader range of PassMark tests, Geekbench tests, and Cinebench R15 and R20. It also carries a lower launch MSRP of $319 compared to the i9-12900F's $494.

The i9-12900F, however, has specific strengths that cannot be ignored. Its Cinebench R23 results are dramatically better, with a 51.9% lead in single-core and a 19.5% lead in multi-core. It also wins floating point math and integer math in PassMark. These are meaningful for workloads that rely on those specific instruction patterns.

The i9-12900F offers more cores (16 versus 14) and threads (24 versus 20), a larger L3 cache (30 MB versus 24 MB), and a lower TDP (65 watts versus 125 watts). It lacks integrated graphics, which the i5-14600K includes. The i5-14600K compensates with higher clock speeds, more L2 cache per core, and a newer architecture.

For a user prioritizing the broadest set of benchmark wins and the higher average score, the i5-14600K is the data-supported choice. For a user whose software matches the Cinebench R23 pattern or requires the additional cores and threads, the i9-12900F has a clear case.

Where Each One Wins

Intel Core i5-14600K:

• PassMark Physics by 34.3%, making it the better option for physics simulation workloads.
• PassMark find prime numbers by 27.6%, indicating strength in prime-number and related integer algorithms.
• Cinebench R15 multi-core by 18.8%, showing strong performance in that specific multi-threaded render path.
• PassMark data encryption by 9%, useful for encryption-heavy tasks.
• PassMark multithread by 7.7%, covering general multi-threaded workloads.
• PassMark random string sorting by 7.2%, relevant for sorting and text-processing tasks.
• PassMark data compression by 6.8%, benefiting compression and archival workloads.
• Geekbench single-core by 6.5% and PassMark single-thread by 6.3%, indicating a slight edge in single-threaded general tasks.
• Cinebench R20 multi-core and single-core both by 7.4%, covering that render workload.
• PassMark extended instructions by 1%, a narrow but consistent lead.
• Geekbench multi-core by 4.4%, adding to its multi-threaded portfolio.

Intel Core i9-12900F:

• Cinebench R23 single-core by 51.9%, a massive lead for single-threaded Cinebench R23 workloads.
• Cinebench R15 single-core by 31.2%, another strong single-threaded result.
• Cinebench R23 multi-core by 19.5%, making it the better choice for that specific multi-core render test.
• PassMark floating point math by 3.8%, favoring floating-point-heavy calculations.
• PassMark integer math by 2.9%, favoring integer-heavy calculations.

The data shows the i9-12900F wins where Cinebench R23 is the target metric, and in raw floating point and integer math. The i5-14600K wins everywhere else, including the majority of PassMark tests, Geekbench tests, and Cinebench R15 and R20. The i5-14600K also holds the higher average benchmark score and the higher percentile ranking.