Intel Core i7-14701E vs Intel Core Ultra 7 258V Comparison

FAQ

Q: Which processor has more processing threads?

A: The Intel Core i7-14701E has 16 threads across 8 cores, while the Intel Core Ultra 7 258V has 8 threads across 8 cores.

Q: What is the TDP difference between the two chips?

A: The Core i7-14701E has a TDP of 65, while the Core Ultra 7 258V has a TDP of 17. The Ultra 7 draws substantially less power under load.

Q: Which processor has the higher boost clock?

A: The Core i7-14701E boosts to 5.40 GHz, while the Core Ultra 7 258V boosts to 4.80 GHz.

Q: Do both processors support DDR5 memory?

A: No. The Core i7-14701E supports both DDR4 and DDR5, while the Core Ultra 7 258V supports only LPDDR5X.

Q: Which chip has better integrated graphics?

A: The Core Ultra 7 258V features Arc 140V graphics, while the Core i7-14701E uses UHD Graphics 770.

Q: How do their average benchmark scores compare?

A: The Core i7-14701E has an average benchmark score of 33206, and the Core Ultra 7 258V averages 20454. The i7 scores roughly 62% higher overall.

Architecture Differences

The two processors come from different Intel design generations and target different market segments. The Core i7-14701E belongs to the Core 14th Gen family, built on the Raptor Lake architecture with the Raptor Lake-R codename. It uses a 10 nm process node fabricated by Intel. The Core Ultra 7 258V is part of the Core Ultra Series 2, based on the Lunar Lake architecture and codename, manufactured on a 3 nm node by TSMC. This process difference allows the Ultra 7 to achieve a much lower TDP of 17 compared to the i7's 65.

The core counts are identical at 8, but the threading models differ. The i7-14701E supports Hyper-Threading with 16 threads, while the Ultra 7 258V runs 8 threads without multithreading. Cache hierarchies also differ significantly. The i7 has 80 KB of L1 per core, 2 MB of L2 per core, and 33 MB of shared L3. The Ultra 7 has 192 KB of L1 per core, 2.5 MB of L2 per core, and only 12 MB of shared L3. The larger L3 on the i7 supports its desktop workload focus.

Memory support diverges completely. The i7-14701E uses dual-channel DDR4 or DDR5, while the Ultra 7 258V uses dual-channel LPDDR5X with a memory bandwidth of 136.5 GB/s. The Ultra 7 also has far fewer PCIe lanes: Gen 5 with 4 lanes (CPU only) versus Gen 5 with 16 lanes (CPU only) on the i7. ECC memory is supported on the i7 but not on the Ultra 7.

The sockets reflect their positioning: the i7 uses Intel Socket 1700 for desktop builds, while the Ultra 7 uses Intel BGA 2833 for mobile systems. The i7's die size is 257 mm², while the Ultra 7's die size is not recorded in the database. Both chips have locked multipliers. The i7-14701E was released on 2024-06-30, and the Ultra 7 258V followed on 2024-09-23.

Head-to-Head Benchmarks

The benchmark data shows a dominant performance advantage for the Core i7-14701E across nearly every test. The i7 wins 16 of the 17 recorded comparisons, with the Ultra 7 taking only a single narrow victory.

The largest margin comes in Cinebench R23 multicore. The i7 scores 22195 against the Ultra 7's 10301, a delta of 115.5%. This is a massive difference for heavily threaded workloads. Cinebench R20 multicore shows a 38.3% lead for the i7 (9321 versus 6739), and Cinebench R15 multicore shows a 40.1% lead (2237 versus 1596.5). The pattern holds in single-core Cinebench tests as well. R23 single-core gives the i7 a 67.4% advantage (3133 versus 1872), R20 single-core shows 38.3% (1315 versus 951), and R15 single-core shows 10.5% (315 versus 285).

PassMark tests reinforce this picture. Integer math shows the i7 at 81325 versus 42889, a 89.6% lead. Floating point math favors the i7 by 7.8% (61873 versus 57372). Data compression gives the i7 a 60.1% advantage (282939 versus 176686). Physics simulation shows a 53.3% lead (2399 versus 1565). Multithread testing places the i7 at 26112 versus 18887, a 38.3% margin. Random string sorting favors the i7 by 35.1% (29158 versus 21580). Extended instructions show a 25.9% lead (18528 versus 14717). Data encryption is closer at 9.8% (14862 versus 13534), and single-thread PassMark shows a modest 7.1% lead (4305 versus 4018).

The Ultra 7 258V's only win comes in PassMark find prime numbers, where it scores 185 versus the i7's 176, a 4.9% advantage. This is a narrow victory in a specific mathematical workload. Notably, the database also records a Geekbench result for the Ultra 7 (9325 multicore, 2100 singlecore), but no comparable Geekbench data exists for the i7, so it cannot be compared directly.

Specification Differences

The table below lists only the fields where the two processors differ.

| Specification | Core i7-14701E | Core Ultra 7 258V |

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

| Threads | 16 | 8 |

| Base clock | 2.60 GHz | 2.20 GHz |

| Boost clock | 5.40 GHz | 4.80 GHz |

| TDP | 65 | 17 |

| Socket | Intel Socket 1700 | Intel BGA 2833 |

| Architecture | Raptor Lake | Lunar Lake |

| Codename | Raptor Lake-R | Lunar Lake |

| Generation | Core i7 (Raptor Lake Refresh) | Ultra 7 (Lunar Lake) |

| Process node | 10 nm | 3 nm |

| Foundry | Intel | TSMC |

| 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 | 33 MB (shared) | 12 MB (shared) |

| Memory support | DDR4, DDR5 | LPDDR5X |

| Memory bandwidth | Not recorded | 136.5 GB/s |

| ECC memory | Yes | No |

| PCIe | Gen 5, 16 lanes (CPU only) | Gen 5, 4 lanes (CPU only) |

| Integrated graphics | UHD Graphics 770 | Arc 140V |

| Market segment | Desktop | Mobile |

| Release date | 2024-06-30 | 2024-09-23 |

| Part number | Q49FSRNJK | SRPMNSRPMT |

Where Each One Wins

The Core i7-14701E wins in almost every compute-heavy scenario. Its 16 threads and larger 33 MB L3 cache give it a clear edge in rendering, video encoding, physics simulation, and data compression. Cinebench R23 multicore shows a 115.5% advantage, making it the obvious choice for CPU-bound creative work. Integer math also favors the i7 heavily at 89.6%, which matters for compilation, spreadsheet calculations, and general productivity. Data compression at 60.1% ahead indicates faster archive handling and database operations. The 53.3% physics lead suggests better performance in simulation and some game physics calculations. With a boost clock of 5.40 GHz, the i7 also edges ahead in single-threaded PassMark by 7.1%, so everyday responsiveness and lightly threaded applications run slightly faster.

The Core Ultra 7 258V wins only in the find prime numbers test, scoring 185 versus 176, a 4.9% margin. This indicates a small advantage in certain prime-number generation workloads, which may relate to its per-core L1 and L2 cache sizes (192 KB and 2.5 MB respectively). Beyond that single test, the Ultra 7's strengths come from its platform characteristics rather than raw benchmark wins. Its 17 TDP makes it suitable for fanless or low-power mobile designs. The LPDDR5X memory support with 136.5 GB/s bandwidth provides a high-speed memory subsystem for integrated graphics. The Arc 140V GPU is a more capable integrated graphics solution than UHD Graphics 770, which benefits media playback and light gaming. The 3 nm TSMC process node reduces power draw substantially, extending battery life in portable systems.

The Verdict

The data points clearly in one direction for raw performance: the Intel Core i7-14701E is the stronger processor. It leads in 16 of 17 benchmark comparisons, with an average score of 33206 versus the Core Ultra 7 258V's 20454. The i7 sits at the 83rd percentile among all CPUs in the database, while the Ultra 7 sits at the 74th. The i7's nearest rivals in the database include the AMD Ryzen 9 PRO 6950H and the Intel Core i7-13650HX, both within 0.4% of its average score. The Ultra 7's nearest rivals include the AMD Ryzen 5 5600 and AMD Ryzen 5 8500G, also within 0.4%. This places the i7 in a higher performance class entirely.

For desktop users building a workstation or gaming rig, the i7-14701E delivers substantially higher multithreaded throughput, especially in Cinebench R23 where it more than doubles the Ultra 7's score. Its 16 threads, 33 MB L3 cache, and 5.40 GHz boost clock make it the practical choice for rendering, compilation, and heavy multitasking. The Socket 1700 platform also offers DDR4 and DDR5 support, giving builders flexibility in memory choice.

For mobile users prioritizing battery life and portability, the Core Ultra 7 258V offers a much lower 17 TDP, a 3 nm process node from TSMC, and integrated Arc 140V graphics. Its single benchmark win in prime-number calculation does not offset the i7's advantages in nearly all other recorded tests. The Ultra 7 is the better fit for thin-and-light laptops where low power consumption and integrated graphics performance matter more than raw compute throughput.

The verdict depends on the use case. The i7-14701E wins decisively on performance metrics and is the recommended choice for desktop workloads that demand CPU power. The Ultra 7 258V is the appropriate selection for mobile systems where the 65 TDP of the i7 is not viable and where the 3 nm node's efficiency advantages are more important than benchmark scores.