Intel Core i9-14900F vs Intel Core Ultra 7 366H Comparison

Intel Core i9-14900F and Intel Core Ultra 7 366H represent two very different Intel design philosophies. The i9-14900F is a desktop-focused Raptor Lake Refresh part with a 65W TDP, while the Ultra 7 366H is a mobile Panther Lake chip with a 25W TDP. The benchmark data shows a clear performance hierarchy, but the specific workloads and platform constraints matter.

Where Each One Wins

The Intel Core i9-14900F wins 16 of the 17 recorded head-to-head benchmark comparisons. Its victories span all Cinebench tests, all PassMark math and encryption tests, and the multithread and single-thread PassMark tests. The largest margins come in integer math, where the i9-14900F scores 177066 against 83695, a 111.6% advantage. Data compression also shows a massive gap, with the i9-14900F at 564207 versus 327455, a 72.3% lead. These results indicate the desktop chip is dominant in heavily threaded productivity, content creation, and general compute workloads.

The Intel Core Ultra 7 366H wins exactly one test: PassMark find prime numbers. It scores 326 against 209, a 35.9% advantage. This is a narrow but real victory in a specific scalar workload. The Ultra 7 366H also shows competitive results in PassMark physics, trailing by only 0.7%, which suggests its architecture handles certain low-threaded integer operations efficiently despite the overall performance deficit.

Architecture Differences

The two processors diverge sharply in core counts and threading. The i9-14900F provides 24 cores and 32 threads, while the Ultra 7 366H provides 16 cores and 16 threads. The i9-14900F uses a 10nm process node from Intel, while the Ultra 7 366H uses a 3nm node. This process advantage does not translate into higher raw performance in the recorded data, but it does affect power characteristics and transistor density.

Cache hierarchies differ substantially. The i9-14900F has 80 KB of L1 cache per core, 2 MB of L2 per core, and 36 MB of shared L3. The Ultra 7 366H has 192 KB of L1 per core, 2.5 MB of L2 per core, and only 18 MB of shared L3. The larger per-core L1 and L2 on the Ultra 7 366H may explain its win in the prime number test, as that workload benefits from fast access to small data sets.

Memory support differs. The i9-14900F supports both DDR4 and DDR5, while the Ultra 7 366H supports DDR5 and LPDDR5X. The Ultra 7 366H has a recorded memory bandwidth of 115.2 GB/s; no such figure is recorded for the i9-14900F. Both use dual-channel memory buses. ECC memory is supported on the i9-14900F but not on the Ultra 7 366H.

PCIe lanes also differ. The i9-14900F offers Gen 5 with 16 lanes from the CPU, while the Ultra 7 366H offers Gen 5 with 12 lanes. The i9-14900F has no integrated graphics, while the Ultra 7 366H includes Intel Xe3 Graphics.

Head-to-Head Benchmarks

Cinebench results are consistently lopsided. In Cinebench R15 multicore, the i9-14900F scores 3986 against 2870, a 38.9% lead. Single-core R15 shows 562 against 405, also 38.8% ahead. R20 multicore repeats the pattern: 16611 versus 11960, a 38.9% delta. R20 single-core is 2344 versus 1688, again 38.9%. R23 multicore gives 39551 versus 28477, 38.9% ahead. R23 single-core delivers 5583 versus 4020, 38.9% ahead. The consistency of the 38.9% margin across all six Cinebench tests indicates the i9-14900F's advantage scales uniformly with its core and thread count.

PassMark multithread shows 46532 versus 33429, a 39.2% lead for the i9-14900F. PassMark single-thread shows 4506 versus 4043, an 11.5% lead. The single-thread gap is much smaller than the multithread gap, which is expected given the i9-14900F's 5.80 GHz boost clock versus the Ultra 7 366H's 4.80 GHz boost clock. Both have a 2.00 GHz base clock.

The biggest single win for the i9-14900F is PassMark integer math at 111.6% ahead. Floating-point math shows a 15.4% lead (119550 versus 103615). Extended instructions show a 15.5% lead (31084 versus 26901). Data encryption shows a 34% lead (34644 versus 25845). Random string sorting shows a 60.1% lead (63728 versus 39814).

The Ultra 7 366H's sole win in find prime numbers (326 versus 209) is notable because it is the only test where the mobile chip beats the desktop chip by a wide margin. The 35.9% advantage suggests the Panther Lake architecture has a particularly efficient path for this specific operation, likely due to its larger per-core L1 cache.

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Core i9-14900F has an average benchmark score of 60008, while the Intel Core Ultra 7 366H has 41263. The i9-14900F sits in the 92nd percentile of all CPUs, and the Ultra 7 366H sits in the 87th percentile.

Q: How does the i9-14900F compare to its nearest rivals?

A: The i9-14900F's nearest rival is the AMD Ryzen 9 7945HX with an average score of 60099, a delta of -0.2%. It also trails the AMD Ryzen 7 8745HX by -0.2% (60104) and the Intel Xeon Gold 6338T by -0.9% (60572). It leads the AMD Ryzen 9 7945HX3D by 0.6% (59641).

Q: How does the Ultra 7 366H compare to its nearest rivals?

A: The Ultra 7 366H's nearest rival is the Intel Core Ultra 7 356H with an average score of 41215, a delta of 0.1%. It also matches the AMD Ryzen AI 5 PRO 440 (41208, 0.1% lead) and the Intel Core Ultra X7 358H (40967, 0.7% lead). It trails the AMD Ryzen 9 5900X by -0.3% (41376).

Q: What is the launch MSRP of the i9-14900F?

A: The launch MSRP is $524. No launch MSRP is recorded for the Ultra 7 366H.

Q: Do both processors support overclocking?

A: No. Both the i9-14900F and the Ultra 7 366H have their multipliers locked, meaning neither supports unlocked multiplier overclocking.

Q: Which processor has integrated graphics?

A: The Ultra 7 366H includes Intel Xe3 Graphics. The i9-14900F has no integrated graphics, listed as N/A.

Q: When were these processors released?

A: The i9-14900F has a release date of 2024-01-07, and the Ultra 7 366H has a release date of 2026-01-04.

The Verdict

The data clearly favors the Intel Core i9-14900F for raw compute performance. It wins 16 of 17 benchmarks, with particularly dominant margins in integer math (111.6%), data compression (72.3%), and random string sorting (60.1%). Its Cinebench margins are uniform at 38.9% across all versions, indicating a predictable scaling advantage from its 24 cores and 32 threads versus 16 cores and 16 threads.

The Intel Core Ultra 7 366H is not a performance competitor in this comparison. It wins only find prime numbers, and even that win is in a narrow synthetic workload. Its average benchmark score of 41263 places it near the AMD Ryzen 9 5900X, which suggests it competes in a much lower performance tier. Its strengths lie elsewhere: a 3nm process node, integrated Xe3 Graphics, LPDDR5X memory support, and a 25W TDP versus 65W.

For a desktop user prioritizing multithreaded productivity, the i9-14900F is the clear choice based on the recorded data. For a mobile user who needs integrated graphics, lower power consumption, and a compact BGA package, the Ultra 7 366H is the only option between these two. The i9-14900F cannot be installed in a mobile BGA 2540 socket, and the Ultra 7 366H cannot be installed in a desktop Socket 1700. Platform compatibility is the decisive factor beyond raw performance.

Specification Differences

| Specification | Intel Core i9-14900F | Intel Core Ultra 7 366H |

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

| Cores | 24 | 16 |

| Threads | 32 | 16 |

| Boost Clock | 5.80 GHz | 4.80 GHz |

| TDP | 65 W | 25 W |

| Socket | Intel Socket 1700 | Intel BGA 2540 |

| Architecture | Raptor Lake | Panther Lake |

| Codename | Raptor Lake-R | Panther Lake |

| Generation | Core i9 (Raptor Lake Refresh) | Ultra 7 (Panther Lake-H) |

| Process Node | 10 nm | 3 nm |

| Die Size | 257 mm² | Not recorded |

| L1 Cache | 80 KB (per core) | 192 KB (per core) |

| L2 Cache | 2 MB (per core) | 2.5 MB (per core) |

| L3 Cache | 36 MB (shared) | 18 MB (shared) |

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

| Memory Bandwidth | Not recorded | 115.2 GB/s |

| ECC Memory | Yes | No |

| PCIe | Gen 5, 16 Lanes (CPU only) | Gen 5, 12 Lanes (CPU only) |

| Integrated Graphics | N/A | Intel Xe3 Graphics |

| Market Segment | Desktop | Mobile |

| Launch MSRP | $524 | Not recorded |

| Part Number | SRN3W | SA4R9Q9EL |