Intel Core i5-14400 vs Intel Core i5-14400F Comparison

The Intel Core i5-14400F and Intel Core i5-14400 are near-identical Raptor Lake Refresh desktop processors, differing primarily in the presence of integrated graphics and a small but consistent benchmark gap. The data shows the F-variant wins 15 of 19 head-to-head tests, though the average benchmark scores are extremely close: 32279 for the 14400F versus 32115 for the 14400. Both sit in the 82nd and 83rd percentile of all CPUs, respectively, making them comparable mid-range performers for Socket 1700 systems.

FAQ

Q: What is the primary functional difference between the two CPUs?

A: The Intel Core i5-14400F has no integrated graphics (listed as "N/A"), while the Intel Core i5-14400 includes UHD Graphics 730. This is the sole differentiating feature in the specification data.

Q: How large is the performance gap in multi-threaded workloads?

A: The 14400F leads in Cinebench R23 multi-core with a score of 21645 versus 21315 for the 14400, a delta of 1.5%. In Geekbench multi-core, the gap widens to 14.9% (11268 vs 9807), which is the largest single delta in the entire benchmark set.

Q: Does the 14400 ever win any benchmarks?

A: Yes. The 14400 wins four tests: PassMark floating point math (61549 vs 61319, -0.4%), integer math (82017 vs 81524, -0.6%), single-thread (3741 vs 3701, -1.1%), and the duplicate singlethread test. The margins are small, ranging from 0.4% to 1.1%.

Q: How do these CPUs compare to their nearest rivals?

A: The 14400F shows a 0.1% average score advantage over the AMD Ryzen 7 PRO 8840U and a 0.2% edge over the Intel Core i9-11900. The 14400 matches the Intel Core i7-12800H exactly (0% delta) and is 0.2% ahead of the Intel Core i5-14450HX.

Q: Are both processors unlocked for overclocking?

A: No. Both the 14400F and 14400 have multiplierUnlocked set to false, meaning they are locked processors without overclocking support.

Q: What is the launch MSRP difference?

A: The 14400F has a launch MSRP of $196, while the 14400 is listed at $221. The F-variant is the lower-priced part at launch.

Architecture Differences

Both processors share the same Raptor Lake architecture, codenamed Raptor Lake-R, built on Intel’s 10 nm process node. They are fabricated by Intel with a die size of 215 mm² and are part of the Core 14th Gen series, specifically the Core i5 (Raptor Lake Refresh) generation. The core configuration is identical: 10 cores and 16 threads, with a base clock of 2.50 GHz and a boost clock of 4.70 GHz. The TDP is 65 watts for both.

Cache hierarchies match exactly. Each core has 80 KB of L1 cache and 1.25 MB of L2 cache, with a shared 20 MB L3 cache. Memory support includes both DDR4 and DDR5 in dual-channel configuration, and both support ECC memory. PCIe connectivity is Gen 5 with 16 lanes available from the CPU. Both are socketed for Intel Socket 1700 and have a production status of Active with a release date of 2024-01-07.

The single architectural divergence is the integrated graphics unit. The 14400F lacks any iGPU, requiring a discrete graphics card for display output. The 14400 integrates UHD Graphics 730, which enables basic display functionality without a separate GPU. This difference does not affect compute architecture, instructions, or memory subsystem design, as evidenced by the near-identical benchmark scores across most tests.

Head-to-Head Benchmarks

The benchmark data reveals a consistent, if modest, performance advantage for the 14400F across most workloads. The largest wins for the F-variant appear in Geekbench, where it scores 11268 in multi-core versus 9807 for the 14400, representing a 14.9% lead. The single-core Geekbench test shows an 8% advantage (2058 vs 1905). These are the only tests where the delta exceeds 8%, suggesting the F-variant benefits from more favorable boost behavior in certain synthetic workloads.

In Cinebench tests, the 14400F is uniformly ahead by 1.3% to 1.6%. The R15 multi-core score is 2181 versus 2148 (1.5%), R20 multi-core is 9090 versus 8952 (1.5%), and R23 multi-core is 21645 versus 21315 (1.5%). Single-core results follow the same pattern: R15 at 307 vs 303 (1.3%), R20 at 1283 vs 1263 (1.6%), and R23 at 3055 vs 3009 (1.5%). The consistency of these deltas indicates a stable clock or power delivery advantage rather than workload-specific variance.

PassMark results show a mixed picture. The 14400F wins in data compression (315521 vs 314995, 0.2%), data encryption (16949 vs 16731, 1.3%), extended instructions (19937 vs 19816, 0.6%), find prime numbers (86 vs 80, 7.5%), multithread (25470 vs 25080, 1.6%), physics (1523 vs 1396, 9.1%), and random string sorting (32680 vs 32346, 1.0%). The physics test is notable, with a 9.1% lead, while prime number finding shows a 7.5% advantage.

The 14400 counters in math-heavy PassMark tests. Floating point math scores 61549 versus 61319, a 0.4% lead. Integer math shows 82017 versus 81524, a 0.6% edge. The single-thread test gives the 14400 a 1.1% win at 3741 versus 3701. These four wins are narrow, and the overall pattern favors the 14400F in 15 of 19 tests, with the remaining four going to the 14400 by margins under 1.1%.

The Verdict

The data supports choosing the Intel Core i5-14400F for compute-focused builds where a discrete GPU is already planned. It wins the majority of benchmarks, including all Cinebench tests, Geekbench multi-core, and the PassMark physics test, with the largest margin being 14.9% in Geekbench multi-core. The F-variant also carries a lower launch MSRP of $196 versus $221 for the 14400, making it the logical pick for users who do not need integrated graphics.

The Intel Core i5-14400 is the correct choice when the integrated UHD Graphics 730 is required, such as in systems without a discrete GPU or for troubleshooting display output. Its performance deficit is minimal in most tests, often under 1.5%, and it actually leads in floating point math, integer math, and single-thread PassMark scores. The 14400’s higher launch MSRP reflects the added iGPU, but the benchmark data shows no corresponding compute advantage.

For buyers assembling a gaming or productivity rig with a dedicated graphics card, the 14400F offers better benchmark results across the board at a lower price point. The 14400’s wins are too small to justify its cost unless the integrated graphics functionality is a hard requirement. Both processors occupy the same 82nd to 83rd percentile range, so the choice hinges entirely on the iGPU need rather than raw performance.

Specification Differences

| Field | Intel Core i5-14400F | Intel Core i5-14400 |

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

| Launch MSRP | $196 | $221 |

| Integrated Graphics | N/A | UHD Graphics 730 |

| Part Number | SRN3RSRN47 | SRN3QSRN46 |

All other specifications in the FACT PACK are identical: 10 cores, 16 threads, 2.50 GHz base clock, 4.70 GHz boost clock, 65 W TDP, Socket 1700, Raptor Lake-R architecture, 10 nm process, 215 mm² die size, 80 KB L1 per core, 1.25 MB L2 per core, 20 MB shared L3, DDR4/DDR5 memory support, dual-channel bus, ECC support, PCIe Gen 5 with 16 lanes, locked multiplier, and a release date of 2024-01-07. The average benchmark scores differ by 164 points (32279 vs 32115), and the percentile ranking differs by one point (83rd vs 82nd).