Intel Core i5-1340P vs Intel Core i9-9900KF Comparison

The Intel Core i5-1340P consistently outperforms the Intel Core i9-9900KF across every benchmark recorded in the head-to-head comparison, despite the i9 being a desktop flagship with a higher boost clock. The data shows a uniform 2.7% deficit for the i9-9900KF in all six Cinebench tests, covering both multi-core and single-core workloads. This is a notable result: a mobile processor with a 28 W TDP edges out a 95 W desktop part from an older generation in every measured scenario.

Head-to-Head Benchmarks

The benchmark results are remarkably consistent, with the Intel Core i5-1340P winning all six recorded tests. The margin is identical in every case: the i9-9900KF trails by 2.7%. In Cinebench R23 multi-core, the i5-1340P scores 15,716 against the i9-9900KF's 15,292. The single-core R23 result tells the same story, with the i5-1340P posting 2,218 versus 2,158 for the i9-9900KF.

The pattern holds in older Cinebench versions. In R20 multi-core, the i5-1340P scores 6,600, while the i9-9900KF manages 6,422. The R20 single-core test shows 931 for the i5-1340P and 906 for the i9-9900KF. Even in Cinebench R15, the oldest test in the set, the i5-1340P leads with 1,584 multi-core and 223 single-core, against 1,541 and 217 respectively for the i9-9900KF.

The uniformity of the 2.7% delta across all tests suggests a fundamental efficiency advantage for the newer architecture rather than a workload-specific quirk. The i5-1340P's win is modest but absolute — there is no benchmark where the i9-9900KF pulls ahead. This is particularly striking given that the i9-9900KF has a 5.00 GHz boost clock compared to the i5-1340P's 4.60 GHz. The data indicates that raw clock speed alone does not determine performance; architectural efficiency and core count matter more.

The average benchmark scores reflect this close but decisive margin. The i9-9900KF has an average score of 4,652, while the i5-1340P sits at 4,545. Interestingly, the i9-9900KF's average is actually higher than the i5-1340P's, but this includes Geekbench results where the i9-9900KF scores 8,970 multi-core and 1,706 single-core — tests not present in the i5-1340P's benchmark set. The head-to-head Cinebench data is unambiguous, however: the i5-1340P wins every recorded comparison.

Architecture Differences

The two processors come from different design eras and target different market segments. The Intel Core i9-9900KF uses the Coffee Lake architecture on a 14 nm process node, manufactured by Intel. It is a desktop part with a 95 W TDP, designed for the Intel Socket 1151 platform. The i9-9900KF has 8 cores and 16 threads, with a base clock of 3.60 GHz and a boost clock of 5.00 GHz. Its cache hierarchy includes 64 KB of L1 per core, 256 KB of L2 per core, and 16 MB of shared L3 cache. The die size is 180.3 mm².

The Intel Core i5-1340P, in contrast, uses the Raptor Lake architecture on a 10 nm process node, also from Intel. It is a mobile part with a 28 W TDP, designed for the Intel BGA 1744 socket. The i5-1340P has 12 cores and 16 threads, with a base clock of 1900.00 MHz and a boost clock of 4.60 GHz. Its cache layout is different: 80 KB of L1 per core, 2 MB of L2 per core, and 12 MB of shared L3 cache. The die size is not listed in the data.

Memory support differs significantly. The i9-9900KF supports DDR4 memory in a dual-channel configuration, with a memory bandwidth of 42.7 GB/s. The i5-1340P supports both DDR4 and DDR5 memory in dual-channel mode, though its memory bandwidth is not specified. Both processors lack ECC memory support.

PCIe connectivity also differs. The i9-9900KF provides PCIe Gen 3 with 16 lanes (CPU only). The i5-1340P offers PCIe Gen 4 with 20 lanes (CPU only). The i5-1340P also includes integrated graphics — Iris Xe Graphics 80EU — while the i9-9900KF has no integrated graphics listed.

The production status and release timeline separate the two clearly. The i9-9900KF was released on 2019-01-07 and is end-of-life, with a launch MSRP of $488. The i5-1340P was released on 2023-01-03 and is active, with a launch MSRP of $353. The i9-9900KF has an unlocked multiplier, while the i5-1340P is locked. The part numbers are SRG1ASRFAA for the i9-9900KF and SRMJ7 for the i5-1340P.

FAQ

Q: Which processor has more cores?

A: The Intel Core i5-1340P has 12 cores, while the Intel Core i9-9900KF has 8 cores. Both have 16 threads.

Q: Does the i5-1340P win in every benchmark?

A: Yes. In the head-to-head Cinebench results, the i5-1340P wins all six tests (R15, R20, and R23, each in multi-core and single-core), with a 2.7% margin over the i9-9900KF in every case.

Q: What is the TDP difference between the two?

A: The i9-9900KF has a TDP of 95 W, while the i5-1340P has a TDP of 28 W. This makes the i5-1340P a significantly lower-power part.

Q: Do both processors support the same memory types?

A: No. The i9-9900KF supports only DDR4 memory. The i5-1340P supports both DDR4 and DDR5 memory. Both use a dual-channel memory bus.

Q: Which processor has integrated graphics?

A: The i5-1340P includes Iris Xe Graphics 80EU. The i9-9900KF has no integrated graphics listed in the data.

Q: How do the boost clocks compare?

A: The i9-9900KF has a boost clock of 5.00 GHz, which is higher than the i5-1340P's 4.60 GHz. Despite this, the i5-1340P wins in all recorded benchmarks.

Specification Differences

| Specification | Intel Core i9-9900KF | Intel Core i5-1340P |

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

| Cores | 8 | 12 |

| Base Clock | 3.60 GHz | 1900.00 MHz |

| Boost Clock | 5.00 GHz | 4.60 GHz |

| TDP | 95 W | 28 W |

| Socket | Intel Socket 1151 | Intel BGA 1744 |

| Architecture | Coffee Lake | Raptor Lake |

| Process Node | 14 nm | 10 nm |

| L1 Cache | 64 KB (per core) | 80 KB (per core) |

| L2 Cache | 256 KB (per core) | 2 MB (per core) |

| L3 Cache | 16 MB (shared) | 12 MB (shared) |

| Memory Support | DDR4 | DDR4, DDR5 |

| Memory Bandwidth | 42.7 GB/s | Not specified |

| PCIe | Gen 3, 16 Lanes (CPU only) | Gen 4, 20 Lanes (CPU only) |

| Integrated Graphics | None | Iris Xe Graphics 80EU |

| Market Segment | Desktop | Mobile |

| Production Status | End-of-life | Active |

| Release Date | 2019-01-07 | 2023-01-03 |

| Launch MSRP | $488 | $353 |

| Multiplier Unlocked | Yes | No |

Where Each One Wins

The Intel Core i5-1340P wins in every head-to-head benchmark category. It is faster in multi-core Cinebench R15, R20, and R23, and it is also faster in single-core versions of those same tests. The margin is consistent at 2.7% across the board. This makes the i5-1340P the clear choice for any workload measured by these benchmarks, including rendering, encoding, and general CPU-bound tasks that scale with single-thread or multi-thread performance.

The i9-9900KF does not win any benchmark in the head-to-head comparison. However, it does have advantages in other areas. It has a higher boost clock at 5.00 GHz versus 4.60 GHz, which may be relevant for lightly threaded tasks that are not captured in the Cinebench results. It also has a larger L3 cache at 16 MB shared versus 12 MB shared, which could benefit certain cache-sensitive workloads. The unlocked multiplier offers overclocking potential that the locked i5-1340P cannot provide. Additionally, the i9-9900KF uses a desktop socket (Intel Socket 1151) and supports DDR4 memory with a specified bandwidth of 42.7 GB/s, which may be preferable for users building a traditional desktop system.

The i5-1340P, on the other hand, offers a lower TDP of 28 W, making it far more power-efficient. It also supports both DDR4 and DDR5 memory, includes integrated graphics, and provides PCIe Gen 4 with 20 lanes, which is a newer standard than the i9-9900KF's PCIe Gen 3 with 16 lanes. The i5-1340P is an active product with a 2023 release date, while the i9-9900KF is end-of-life.

The Verdict

The data points to a single conclusion: the Intel Core i5-1340P is the superior performer in every benchmark recorded. It wins all six head-to-head Cinebench tests with a 2.7% margin over the i9-9900KF. This is true for both multi-core and single-core workloads, and it holds across three different versions of Cinebench. The i5-1340P achieves this with a much lower TDP (28 W versus 95 W), a newer 10 nm process node, and more cores (12 versus 8). It also offers modern features like DDR5 support, PCIe Gen 4, and integrated graphics.

The i9-9900KF retains some advantages in the specification sheet. Its 5.00 GHz boost clock is higher, its L3 cache is larger at 16 MB, and it has an unlocked multiplier for overclocking. It also has a higher average benchmark score of 4,652 compared to the i5-1340P's 4,545, though this is influenced by Geekbench results that are not available for the i5-1340P. For a user building a desktop system with an existing LGA 1151 motherboard, the i9-9900KF could still be a viable option, especially if overclocking is a priority.

However, for pure performance as measured by Cinebench, the i5-1340P is the winner. It is also the more modern, more efficient, and more feature-rich processor. The i9-9900KF is end-of-life and comes from a 2019 generation. The verdict from the data is clear: the i5-1340P is the better processor for benchmark-driven workloads, while the i9-9900KF only makes sense for users with specific platform or overclocking requirements that favor its older desktop design.