Intel Core i9-12900F vs Intel Core Ultra 5 235A Comparison

FAQ

Q: Which processor wins more benchmark comparisons?

A: The Intel Core Ultra 5 235A wins 15 of the 17 recorded head-to-head benchmarks, while the Intel Core i9-12900F wins only 2. The decisive margin in the majority of tests gives the Ultra 5 a clear overall edge in the database.

Q: How much faster is the Core Ultra 5 235A in single-core performance?

A: The Ultra 5 leads by 7.3% in Cinebench R23 single-core (4607 vs 4292) and by 13.4% in PassMark single-thread (4557 vs 4017). Its Cinebench R15 single-core score is 464 versus 432, a 7.4% advantage.

Q: Where does the Core i9-12900F outperform the Core Ultra 5 235A?

A: The i9-12900F wins in PassMark data compression (451402 vs 393800, a 12.8% margin) and PassMark integer math (129504 vs 88626, a 31.6% margin). These are the only two tests where the i9 leads.

Q: What is the biggest single benchmark gap between the two chips?

A: In PassMark find prime numbers, the Core Ultra 5 235A scores 392 versus 127 for the i9-12900F, a 208.7% advantage. This is by far the largest delta in the head-to-head results.

Q: Do both processors support the same memory types?

A: No. The Core Ultra 5 235A supports DDR5 only, while the Core i9-12900F supports both DDR4 and DDR5. The Ultra 5 has a higher stated memory bandwidth of 102.4 GB/s compared to 76.8 GB/s for the i9.

Q: How do the two chips compare in overall database percentile?

A: The Core Ultra 5 235A sits at the 90th percentile among all CPUs, while the Core i9-12900F sits at the 89th percentile. Their average benchmark scores are 48201 and 47176 respectively.

Architecture Differences

The Core Ultra 5 235A is built on Arrow Lake-S, part of Core Ultra Series 2, and uses a 3 nm process from TSMC. The Core i9-12900F uses Alder Lake-S on Intel's 10 nm process. This process difference is substantial: the Ultra 5 packs 17,800 million transistors on a 243 mm² die, while the i9 has no recorded transistor count and a smaller 215 mm² die.

The core configurations diverge sharply. The Ultra 5 has 14 cores and 14 threads, meaning no hyperthreading. The i9-12900F has 16 cores and 24 threads, using its hybrid P-core and E-core design with hyperthreading on performance cores. Despite having fewer threads, the Ultra 5 wins most multithreaded tests, which indicates the architectural efficiency of Arrow Lake more than compensates for the thread deficit.

Cache hierarchies also differ. The Ultra 5 has 192 KB of L1 per core and 3 MB of L2 per core, with 24 MB of shared L3. The i9-12900F has 80 KB of L1 per core and 1.25 MB of L2 per core, with 30 MB of shared L3. So the Ultra 5 has larger per-core caches while the i9 has more total L3.

Clock behavior differs as well. The Ultra 5 has a base clock of 3.40 GHz and a boost clock of 5.00 GHz. The i9-12900F has a lower base clock of 2.40 GHz but a slightly higher boost clock of 5.10 GHz. Both are rated at 65 W TDP.

The integrated graphics situation is one-sided. The Ultra 5 includes Arc Xe-LPG Graphics with 24 execution units, while the i9-12900F has no integrated graphics at all. This means the Ultra 5 can drive a display without a discrete GPU, while the i9 requires one.

Platform support differs significantly. The Ultra 5 uses Intel Socket 1851 and PCIe Gen 5 with 20 CPU lanes. The i9-12900F uses Intel Socket 1700 and PCIe Gen 5 with 16 CPU lanes. The Ultra 5 also has a locked multiplier, while the i9-12900F is multiplier unlocked for overclocking.

ECC memory support is another differentiator. The i9-12900F supports ECC memory, while the Ultra 5 does not. This makes the i9 relevant for certain workstation or server-oriented builds that require error-correcting memory.

Where Each One Wins

The Core Ultra 5 235A dominates in nearly every measured category. It wins all six Cinebench tests, covering R15, R20, and R23 in both single-core and multi-core. It also wins PassMark data encryption, extended instructions, find prime numbers, floating point math, multithread, physics, random string sorting, and single-thread tests.

The i9-12900F wins only in data compression and integer math. These two wins point to workloads that favor raw integer throughput and compression algorithms. The i9's advantage in integer math is particularly large at 31.6%, and its data compression lead is 12.8%. For users with workloads dominated by integer-heavy computing, such as certain financial modeling or compression tasks, the i9 has a measurable edge.

The Ultra 5's physics score of 2437 versus 1842 for the i9, a 32.3% lead, suggests strong gaming-adjacent performance. The floating point math lead of 23.1% (118778 vs 96452) also favors scientific and graphics workloads. The encryption advantage of 19.3% (30136 vs 25251) points to better security-related task performance.

For general productivity and rendering, the Ultra 5 is the clear winner. Its Cinebench multi-core leads are consistent at 7.3% across R15, R20, and R23. The single-core leads are also consistent at 7.3% to 7.4%. The overall picture is one of broad superiority for the Ultra 5, with only narrow or specialized exceptions for the i9.

Specification Differences

The two processors differ in several key specification areas.

| Specification | Core Ultra 5 235A | Core i9-12900F |

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

| Cores | 14 | 16 |

| Threads | 14 | 24 |

| Base clock | 3.40 GHz | 2.40 GHz |

| Boost clock | 5.00 GHz | 5.10 GHz |

| Process node | 3 nm (TSMC) | 10 nm (Intel) |

| L1 cache | 192 KB per core | 80 KB per core |

| L2 cache | 3 MB per core | 1.25 MB per core |

| L3 cache | 24 MB shared | 30 MB shared |

| Memory support | DDR5 | DDR4, DDR5 |

| Memory bandwidth | 102.4 GB/s | 76.8 GB/s |

| ECC support | No | Yes |

| Socket | Intel Socket 1851 | Intel Socket 1700 |

| PCIe lanes | Gen 5, 20 lanes | Gen 5, 16 lanes |

| Integrated graphics | Arc Xe-LPG 24EU | None |

| Multiplier unlocked | No | Yes |

| Transistors | 17,800 million | Not recorded |

| Die size | 243 mm² | 215 mm² |

| Launch MSRP | $269 | $494 |

The thread count difference is the most striking: 24 threads for the i9 versus 14 for the Ultra 5. Yet the Ultra 5 still wins most multithreaded workloads, which speaks to the efficiency of the Arrow Lake architecture and its TSMC 3 nm process.

Memory bandwidth favors the Ultra 5 at 102.4 GB/s versus 76.8 GB/s for the i9. The i9's DDR4 support is a legacy advantage, but the Ultra 5's higher bandwidth is a performance advantage for memory-intensive tasks.

The i9's unlocked multiplier and ECC support are features the Ultra 5 lacks. However, the Ultra 5 includes integrated graphics, which the i9 does not, and has more PCIe lanes at 20 versus 16.

Head-to-Head Benchmarks

The Core Ultra 5 235A wins every Cinebench test by a consistent margin. In Cinebench R15 multi-core, it scores 3289 versus 3064, a 7.3% lead. In R15 single-core, it scores 464 versus 432, a 7.4% lead. The pattern repeats in R20: 13705 versus 12770 for multi-core and 1934 versus 1802 for single-core, both 7.3% leads. In R23, the Ultra 5 scores 32633 versus 30405 for multi-core and 4607 versus 4292 for single-core, again 7.3% leads.

The largest Ultra 5 wins come in specialized PassMark tests. The find prime numbers result is extraordinary: 392 versus 127, a 208.7% advantage. Physics shows a 32.3% lead (2437 vs 1842). Floating point math shows a 23.1% lead (118778 vs 96452). Data encryption shows a 19.3% lead (30136 vs 25251). Single-thread performance shows a 13.4% lead (4557 vs 4017). Extended instructions show an 11.9% lead (31625 vs 28265). Multithread shows a 6.9% lead (38392 vs 35912).

The i9-12900F's two wins are both substantial. In PassMark integer math, it scores 129504 versus 88626, a 31.6% advantage. In data compression, it scores 451402 versus 393800, a 12.8% advantage. These wins are not enough to offset the Ultra 5's broad dominance across the other 15 tests.

The average benchmark scores in the database are 48201 for the Ultra 5 and 47176 for the i9. The Ultra 5's nearest rivals include the AMD Ryzen AI Max PRO 380 at 48171 (0.1% behind) and the Intel Core Ultra 5 245HX at 48287 (0.2% ahead). The i9's nearest rivals include the Intel Core i7-13700KF at 47330 (0.3% ahead) and the AMD Ryzen AI 9 HX PRO 375 at 47022 (0.3% behind). This places the Ultra 5 slightly higher in the competitive landscape.

The Verdict

The data is unambiguous. The Intel Core Ultra 5 235A is the faster processor in the vast majority of workloads. It wins 15 of 17 head-to-head benchmarks, including all Cinebench tests, all single-thread tests, and most specialized PassMark tests. Its 90th percentile ranking versus the i9's 89th percentile confirms the overall standing.

Users who should choose the Core Ultra 5 235A: those running rendering workloads, given the consistent 7.3% Cinebench multi-core lead; those needing strong single-thread performance, given the 13.4% PassMark single-thread lead; those doing physics simulations or floating point math, given leads of 32.3% and 23.1%; those who want integrated graphics for a build without a discrete GPU; and those who value the higher memory bandwidth of 102.4 GB/s.

Users who should choose the Core i9-12900F: those running integer-heavy workloads, where it leads by 31.6%; those doing data compression tasks, where it leads by 12.8%; those who need ECC memory support; those who want an unlocked multiplier for overclocking; and those on platforms that require DDR4 compatibility. The i9 also has a higher boost clock at 5.10 GHz versus 5.00 GHz.

The Ultra 5 achieves its wins with fewer threads (14 versus 24) and a lower boost clock, which makes the architectural efficiency of Arrow Lake on TSMC's 3 nm process the defining factor. The i9's 30 MB of L3 and 16 cores cannot overcome the Ultra 5's per-core efficiency and higher memory bandwidth.

The verdict is straightforward: for general use, rendering, gaming-adjacent physics, and single-thread responsiveness, the Core Ultra 5 235A is the better choice. For specialized integer math, compression, ECC memory needs, and overclocking, the Core i9-12900F retains a distinct niche. The overall database score favors the Ultra 5, and the benchmark distribution reflects a clean generational shift.