Intel Core 3 100U vs Intel Core i5-10600KF Comparison

The Intel Core i5-10600KF and the Intel Core 3 100U are both six-core Intel processors, yet they target entirely different corners of the market. One is a desktop chip from the Comet Lake era; the other is a modern mobile part from the Raptor Lake generation. While their average benchmark scores are nearly identical, the data shows they achieve parity through very different performance profiles.

Head-to-Head Benchmarks

The most striking result in the comparison data is the Intel Core i5-10600KF winning 12 of the 17 head-to-head benchmarks. Its victories are often decisive, particularly in workloads that stress the CPU's full capabilities. In Cinebench R23 multicore, the i5-10600KF scores 12003 versus 10624 for the Core 3 100U, a 13% advantage. This pattern repeats across the entire Cinebench suite—both R15 and R20 multicore tests show the same 13% delta, and even in single-core Cinebench R23, the older desktop chip leads 1694 to 1499.

The i5-10600KF's biggest wins come in specialized PassMark workloads. It dominates in data compression with a score of 211643 compared to 136497, a massive 55.1% lead. Even more lopsided is the extended instructions test, where the desktop part scores 14167 versus 7894, a 79.5% margin. Random string sorting also heavily favors the i5-10600KF at 26532 versus 15191, a 74.7% difference. Integer math shows a 20% advantage (47508 vs 39580), and floating-point math is closer but still favors the desktop chip at 29521 versus 28322.

The Intel Core 3 100U counters with five wins, and they are not trivial. Its most significant victory is in PassMark single-thread performance, scoring 3506 against 2908—a 17.1% advantage. This is a substantial single-core lead for the mobile chip. The Core 3 100U also excels in data encryption, scoring 8128 versus 4832, a 40.6% blowout in its favor. It wins the physics test (876 vs 810) and the prime number search (52 vs 45), though these margins are smaller at 7.5% and 13.5%, respectively.

Architecture Differences

The two processors come from different manufacturing nodes and design philosophies. The i5-10600KF is built on Intel's 14 nm process, using the Comet Lake architecture. It is a desktop part for Intel Socket 1200 with a base clock of 4.10 GHz and a boost clock of 4.80 GHz. The Core 3 100U, by contrast, uses the Raptor Lake architecture on a 10 nm node, soldered to Intel BGA 1744. Its base clock is just 1.20 GHz, but it boosts to 4.70 GHz.

Cache configurations differ markedly. The i5-10600KF has 64 KB of L1 per core and 256 KB of L2 per core, with 12 MB of shared L3. The Core 3 100U has larger per-core caches at 80 KB L1 and 1.25 MB L2, but less shared L3 at 10 MB. This suggests the mobile chip relies more heavily on per-core resources, while the desktop part has a larger pool of shared cache.

Thread counts also differ: the i5-10600KF supports 12 threads via hyperthreading on its six cores, while the Core 3 100U has six cores but only eight threads. This means the desktop chip has more logical processors available for heavily threaded workloads. Memory support also diverges—the i5-10600KF supports DDR4 only, while the Core 3 100U supports both DDR4 and DDR5. Both use dual-channel memory buses, but the i5-10600KF has a rated memory bandwidth of 42.7 GB/s, while that figure is not listed for the Core 3 100U.

PCIe connectivity is another differentiator. The i5-10600KF offers Gen 3 with 16 lanes from the CPU, while the Core 3 100U provides Gen 4 with 8 lanes. This means the newer mobile chip has faster per-lane bandwidth but fewer total lanes. The Core 3 100U also includes integrated graphics (UHD Graphics 64EU), whereas the i5-10600KF has none. The i5-10600KF has an unlocked multiplier for overclocking; the Core 3 100U does not. Power envelopes are vastly different, with the desktop part rated at 95 W TDP versus just 15 W for the mobile chip.

Where Each One Wins

The Intel Core i5-10600KF is clearly the choice for sustained, multi-threaded compute work. Its 13% lead across every Cinebench multicore test demonstrates consistent strength in rendering and CPU-bound content creation. The 79.5% advantage in extended instructions suggests superior performance in SIMD-heavy code, and the 55.1% lead in data compression makes it the better pick for archiving, file management, or database workloads. The 20% integer math advantage further solidifies its position for general number-crunching tasks. The desktop chip also benefits from having 12 threads versus 8, which directly contributes to its wins in multithreaded PassMark (14169 vs 12522).

The Intel Core 3 100U wins where single-thread responsiveness and specific acceleration matter. Its 17.1% single-thread PassMark lead indicates snappier day-to-day application behavior. The 40.6% encryption advantage is significant for security-focused tasks like VPNs, disk encryption, or secure web transactions. The physics test win (876 vs 810) hints at better performance in certain simulation or gaming physics workloads. The prime number win (52 vs 45) is narrow but shows the newer architecture's efficiency in algorithmic loops. For mobile users, the 15 W TDP and integrated graphics make it functional in compact laptops where the desktop chip cannot even be installed.

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Core i5-10600KF has an average benchmark score of 16228, while the Intel Core 3 100U scores 16148. The delta is 0.5% in favor of the desktop part.

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

A: Both sit at the 70th percentile among all CPUs. The i5-10600KF is 0.2% above the Intel Core i7-10850H and 0.5% above the Core 3 100U. The Core 3 100U is 0.3% below the i7-10850H and 1.1% below the Intel Core i7-1260U.

Q: Why does the Core 3 100U win in single-thread PassMark despite lower clock speeds?

A: The Core 3 100U scores 3506 in PassMark single-thread versus 2908 for the i5-10600KF, a 17.1% advantage. This likely reflects the newer Raptor Lake architecture's efficiency, despite its lower 4.70 GHz boost clock versus 4.80 GHz on the desktop part.

Q: What is the largest performance gap between the two chips?

A: The biggest difference is in PassMark extended instructions, where the i5-10600KF leads by 79.5% (14167 vs 7894). The second-largest is data compression at 55.1% (211643 vs 136497).

Q: Does the Core 3 100U have any integrated graphics?

A: Yes, the Core 3 100U includes UHD Graphics 64EU. The i5-10600KF has no integrated graphics, requiring a discrete GPU for display output.

Q: Can the i5-10600KF be overclocked?

A: Yes, the i5-10600KF has an unlocked multiplier. The Core 3 100U does not have an unlocked multiplier.

Specification Differences

| Specification | Intel Core i5-10600KF | Intel Core 3 100U |

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

| Threads | 12 | 8 |

| Base Clock | 4.10 GHz | 1.20 GHz |

| Boost Clock | 4.80 GHz | 4.70 GHz |

| TDP | 95 W | 15 W |

| Socket | Intel Socket 1200 | Intel BGA 1744 |

| Architecture | Comet 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) | 1.25 MB (per core) |

| L3 Cache | 12 MB (shared) | 10 MB (shared) |

| Memory Support | DDR4 | DDR4, DDR5 |

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

| PCIe | Gen 3, 16 Lanes | Gen 4, 8 Lanes |

| Integrated Graphics | None | UHD Graphics 64EU |

| Market Segment | Desktop | Mobile |

| Release Date | 2020-04-29 | 2024-01-07 |

| Launch MSRP | Not listed | $426 |

| Multiplier Unlocked | Yes | No |

| Part Number | SRH6S | SRMYL |