AMD Ryzen AI 7 450G vs Intel Core i9-13900KF Comparison

The AMD Ryzen AI 7 450G and Intel Core i9-13900KF represent two very different philosophies in desktop computing. The AMD chip is a new-generation, power-efficient APU built on a 4 nm process, while the Intel processor is a high-core-count flagship from the Raptor Lake generation. Benchmark data shows a clear split: the Intel part dominates in raw multi-threaded throughput, while the AMD part offers a modern platform with integrated graphics and a much lower thermal profile.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core i9-13900KF features 24 cores and 32 threads, significantly outnumbering the AMD Ryzen AI 7 450G’s 8 cores and 16 threads.

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

A: In the PassMark multithread test, the Intel Core i9-13900KF scores 57,729, which is 47.3% higher than the AMD Ryzen AI 7 450G’s score of 30,422. The Intel chip also leads by 51.8% in integer math and 57.8% in floating point math.

Q: How close are the two in single-threaded performance?

A: The Intel Core i9-13900KF leads, but the margin is slim. In the PassMark single-thread test, Intel scores 4,584 versus AMD’s 4,309, a delta of only 6%.

Q: Does the AMD processor include integrated graphics?

A: Yes, the AMD Ryzen AI 7 450G comes with Radeon 860M integrated graphics. The Intel Core i9-13900KF has no integrated graphics, requiring a discrete GPU.

Q: What are the memory support differences?

A: The AMD Ryzen AI 7 450G supports DDR5 and LPDDR5X memory, while the Intel Core i9-13900KF supports both DDR4 and DDR5. Both use a dual-channel memory bus, and both support ECC memory.

Q: What is the release date difference?

A: The Intel Core i9-13900KF was released on 2022-09-26, while the AMD Ryzen AI 7 450G is a newer part with a release date of 2026-02-28.

Architecture Differences

The architectural divide between these two CPUs is substantial. The AMD Ryzen AI 7 450G is built on a 4 nm process at TSMC and belongs to the Ryzen AI 400 generation, using a hybrid Zen 5 / Zen 5c core design under the codename "Gorgon Point." In contrast, the Intel Core i9-13900KF is a 10 nm part from Intel’s own fabs, based on the Raptor Lake architecture with the codename "Raptor Lake-S."

Cache hierarchies differ notably. Both have 80 KB of L1 cache per core and 1 MB of L2 per core on the AMD, but Intel doubles the L2 to 2 MB per core. The biggest difference is in L3 cache: the Intel chip has 36 MB of shared L3, while the AMD processor has only 8 MB of total L3. This larger cache pool likely contributes to Intel’s strong performance in data-heavy workloads.

Connectivity and I/O also diverge. The AMD Ryzen AI 7 450G offers PCIe Gen 4 with 12 CPU lanes, while the Intel Core i9-13900KF provides PCIe Gen 5 with 20 CPU lanes. The AMD chip features integrated Radeon 860M graphics, whereas the Intel KF-series part has no integrated graphics. Memory support is a differentiator too: AMD supports DDR5 and LPDDR5X, while Intel supports both DDR4 and DDR5, giving it flexibility with older memory platforms.

The physical and electrical characteristics are also distinct. AMD’s die size is 195 mm², and the processor fits the AMD Socket AM5. Intel’s die is larger at 257 mm², and it uses Intel Socket 1700. Both have unlocked multipliers, but the AMD part carries a TDP of 65 watts, well below Intel’s 125-watt TDP rating.

The Verdict

The data presents a straightforward choice depending on workload priorities. The Intel Core i9-13900KF is the clear performance winner, taking 11 of 11 head-to-head benchmark comparisons against the AMD Ryzen AI 7 450G. Its leads are massive in almost every category, from data compression (786,218 vs 402,831, a 48.8% gap) to prime number finding (225 vs 87, a 61.3% gap). For users whose work is heavily multi-threaded, such as rendering, encoding, or simulation, the Intel part is the obvious pick based on raw scores.

The AMD Ryzen AI 7 450G, however, should not be dismissed. Its single-threaded score of 4,309 is only 6% behind Intel’s 4,584, which means day-to-day responsiveness and lightly threaded applications will feel comparable. It also brings integrated Radeon 860M graphics, a feature the Intel KF part lacks entirely, making it a more complete package for a system without a discrete GPU. Its 65-watt TDP suggests a much easier cooling and power delivery requirement compared to Intel’s 125-watt rating.

The AMD chip also sits in a different competitive neighborhood. Its average benchmark score of 63,331 places it among rivals like the Intel Core Ultra 7 265HX (63,173, 0.2% delta) and the AMD Ryzen AI Max PRO 390 (63,765, -0.7% delta). The Intel i9-13900KF’s average of 61,841 is similarly close to the Intel Core i9-13900K (61,766, 0.1% delta). Both processors occupy the 93rd percentile of all CPUs, meaning both are high-end parts, but Intel’s advantage in absolute scores is undeniable.

Specification Differences

| Specification | AMD Ryzen AI 7 450G | Intel Core i9-13900KF |

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

| Cores | 8 | 24 |

| Threads | 16 | 32 |

| Base Clock | 2.00 GHz | 3.00 GHz |

| Boost Clock | 5.10 GHz | 5.80 GHz |

| TDP | 65 W | 125 W |

| Socket | AMD Socket AM5 | Intel Socket 1700 |

| Process Node | 4 nm | 10 nm |

| Foundry | TSMC | Intel |

| Die Size | 195 mm² | 257 mm² |

| L2 Cache | 1 MB (per core) | 2 MB (per core) |

| L3 Cache | 8 MB | 36 MB (shared) |

| Memory Support | DDR5, LPDDR5X | DDR4, DDR5 |

| PCIe | Gen 4, 12 Lanes | Gen 5, 20 Lanes |

| Integrated Graphics | Radeon 860M | None |

| Release Date | 2026-02-28 | 2022-09-26 |

| Launch MSRP | N/A | $564 |

Head-to-Head Benchmarks

The benchmark comparison is entirely one-sided, with the Intel Core i9-13900KF winning all 11 recorded head-to-head tests. The largest margins are in compute-heavy tasks. In PassMark find prime numbers, Intel scores 225 versus AMD’s 87, a 61.3% advantage. Similarly, in data encryption, Intel leads 46,186 to 18,937, a 59% gap, and in floating point math, Intel scores 150,869 against AMD’s 63,683, a 57.8% difference.

Multi-threaded throughput is a dominant theme. Intel’s multithread score of 57,729 beats AMD’s 30,422 by 47.3%. The physics test shows a 51.3% lead for Intel (2,956 vs 1,440), and integer math shows a 51.8% gap (206,859 vs 99,732). Random string sorting is another clear win for Intel, scoring 86,510 versus 42,663, a 50.7% difference.

The extended instructions test favors Intel 46,084 to 28,223, a 38.8% gap, and data compression shows Intel at 786,218 versus 402,831, a 48.8% lead. These results indicate that the Intel processor excels in both integer and floating point workloads, as well as in memory-intensive operations like compression and sorting.

The only close contest is in single-threaded performance. Intel’s PassMark single-thread score of 4,584 is just 6% higher than AMD’s 4,309. This narrow margin suggests that the architectural efficiency of the Zen 5 / Zen 5c cores in the AMD part is respectable, particularly given its lower TDP and smaller process node. However, the sheer core count and higher clock speeds of the Intel chip ultimately deliver superior aggregate performance across every benchmark category in this comparison.