Intel Core 7 251E vs Intel Core i9-14901KE Comparison

Head-to-Head Benchmarks

The database records no head-to-head benchmark entries for the Intel Core 7 251E versus the Intel Core i9-14901KE. Both processors show an average benchmark score of zero in the recorded data, and neither has associated rival comparison entries. This absence of measured results means that direct performance comparisons must be derived strictly from their architectural and specification differences rather than from empirical test outcomes.

The Intel Core 7 251E carries 24 cores and 32 threads, while the Intel Core i9-14901KE provides 8 cores and 16 threads. That is a 16-core and 16-thread advantage for the Bartlett Lake part, which suggests a substantial lead in heavily threaded workloads if the benchmark data existed to confirm it. The Core i9-14901KE, however, starts from a base clock of 3.80 GHz and reaches a boost clock of 5.80 GHz, compared to the Core 7 251E's 2.10 GHz base and 5.60 GHz boost. The higher clocks on the i9-14901KE imply an advantage in lightly threaded and latency-sensitive tasks, again assuming measured results would align with these specifications.

Both processors share the same process node at 10 nm and the same die size of 257 mm², both fabricated by Intel. They also use the same cache hierarchy: 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3. The identical cache structure means that per-core performance characteristics should be similar clock-for-clock, but the differences in core count and clock speeds create divergent strengths.

The Core 7 251E has a TDP of 65 watts, while the Core i9-14901KE has a TDP of 125 watts. This indicates that the i9-14901KE draws significantly more power to sustain its higher clocks, while the 251E operates at a much lower thermal envelope. The lower TDP on the 251E, combined with its higher core count, points toward a design focused on efficiency in multi-threaded throughput, whereas the i9-14901KE appears optimized for raw single-thread speed.

The launch MSRP for the Core 7 251E is $384. The Core i9-14901KE has no recorded launch MSRP in the database. The 251E is a locked processor, while the i9-14901KE has an unlocked multiplier, meaning the latter supports overclocking. Both use the Intel Socket 1700, support DDR4 and DDR5 memory, have dual-channel memory buses, and include UHD Graphics 770 integrated graphics. The 251E records a memory bandwidth of 89.6 GB/s, while the i9-14901KE has no recorded memory bandwidth figure.

Both parts support ECC memory and feature PCIe Gen 5 with 16 CPU-only lanes. They are both classified as desktop parts and are currently marked as Active in production status. The release dates differ: the i9-14901KE launched on 2024-06-30, and the 251E launched on 2025-01-12.

The Verdict

Based strictly on the recorded data, the choice between these two processors depends entirely on workload type. The Intel Core 7 251E offers 24 cores and 32 threads versus the i9-14901KE's 8 cores and 16 threads, which is a 3x core advantage and a 2x thread advantage. For multi-threaded applications that scale across cores, such as rendering, compilation, or scientific computing, the 251E has a structural edge that the i9-14901KE cannot match despite its higher clocks.

The Intel Core i9-14901KE counters with a base clock of 3.80 GHz and a boost of 5.80 GHz, both higher than the 251E's 2.10 GHz and 5.60 GHz. That 0.20 GHz boost advantage and the significantly higher base clock give the i9-14901KE a likely lead in single-threaded and lightly threaded tasks, where clock speed dominates. The unlocked multiplier on the i9-14901KE adds further potential for overclocking, which the locked 251E does not offer.

The TDP figures reinforce this split. The i9-14901KE's 125-watt TDP indicates it consumes nearly double the power of the 251E's 65-watt TDP. For users prioritizing lower power draw or quieter cooling, the 251E is the clear choice. For users who need maximum per-core performance and have the cooling headroom, the i9-14901KE is positioned better.

Both processors share the same cache layout, process node, socket, memory support, and integrated graphics, which limits the differences to core count, clocks, TDP, and the unlocked multiplier. The percentile ranking for both is 50, indicating they sit at the median of all CPUs in the database, but this does not reflect their relative performance to each other since no head-to-head benchmarks exist.

Where Each One Wins

The Core 7 251E wins in scenarios that exploit its core and thread count. With 24 cores and 32 threads, it is suited for parallel workloads like video encoding, 3D rendering, software compilation, and virtual machine hosting. Its 65-watt TDP also makes it more suitable for compact or power-constrained builds, as it requires less cooling and draws less power. The 251E also has a recorded memory bandwidth of 89.6 GB/s, which supports memory-intensive multi-threaded tasks.

The Core i9-14901KE wins in scenarios that favor clock speed and single-thread performance. Its 3.80 GHz base clock is 1.70 GHz higher than the 251E's, and its 5.80 GHz boost is 0.20 GHz higher. This makes it better for gaming, database transactions, spreadsheet calculations, and any application where a single core is the bottleneck. The unlocked multiplier allows users to push clocks even higher, extending this advantage. The higher 125-watt TDP reflects the power budget needed for those clocks.

The i9-14901KE also has a launch date earlier than the 251E, but the production status for both is Active, meaning neither is discontinued. The 251E has a launch MSRP of $384, while the i9-14901KE has no recorded MSRP, so no price comparison is possible from the data.

FAQ

Q: Which processor has more cores?

A: The Intel Core 7 251E has 24 cores and 32 threads, while the Intel Core i9-14901KE has 8 cores and 16 threads.

Q: Which processor has a higher boost clock?

A: The Intel Core i9-14901KE has a boost clock of 5.80 GHz, which is 0.20 GHz higher than the Core 7 251E's 5.60 GHz boost.

Q: Can either processor be overclocked?

A: The Intel Core i9-14901KE has an unlocked multiplier, so it supports overclocking. The Intel Core 7 251E has a locked multiplier and cannot be overclocked.

Q: Do both processors support the same memory types?

A: Yes, both support DDR4 and DDR5 memory with a dual-channel memory bus. The Core 7 251E records a memory bandwidth of 89.6 GB/s, while the Core i9-14901KE has no recorded memory bandwidth.

Q: What is the TDP difference?

A: The Intel Core 7 251E has a TDP of 65 watts, while the Intel Core i9-14901KE has a TDP of 125 watts, which is 60 watts higher.

Q: Do both processors have the same integrated graphics?

A: Yes, both feature UHD Graphics 770 as their integrated graphics solution.

Architecture Differences

The Intel Core 7 251E is based on the Bartlett Lake codename, while the Intel Core i9-14901KE uses the Raptor Lake architecture and the Raptor Lake-R codename. Despite this architectural difference, both share several fundamentals: a 10 nm process node, a 257 mm² die size, and fabrication by Intel. The cache hierarchy is identical across both parts, with 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3.

The generation labels differ. The 251E is listed as Core 7 (Bartlett Lake), while the i9-14901KE is listed as Core i9 (Raptor Lake Refresh). The i9-14901KE belongs to the Core 14th Gen series, whereas the 251E has no series designation in the database. Both support ECC memory and have PCIe Gen 5 with 16 CPU-only lanes.

The core organization is the most significant architectural divergence. The 251E's 24 cores and 32 threads suggest a mix of performance and efficiency cores, common in Intel's hybrid designs, though the database does not specify the breakdown. The i9-14901KE's 8 cores and 16 threads indicate a fully performance-core design without efficiency cores, which aligns with its higher base clock of 3.80 GHz. The 251E's lower base clock of 2.10 GHz is consistent with a design that includes efficiency cores running at lower frequencies.

Both processors use the Intel Socket 1700, so they are physically compatible with the same motherboards, assuming BIOS support. The integrated graphics are identical (UHD Graphics 770), and both support DDR4 and DDR5 memory. The 251E has a recorded memory bandwidth of 89.6 GB/s, while the i9-14901KE does not have a recorded figure.

Specification Differences

| Specification | Intel Core 7 251E | Intel Core i9-14901KE |

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

| Cores | 24 | 8 |

| Threads | 32 | 16 |

| Base Clock | 2.10 GHz | 3.80 GHz |

| Boost Clock | 5.60 GHz | 5.80 GHz |

| TDP | 65 W | 125 W |

| Codename | Bartlett Lake | Raptor Lake-R |

| Architecture | Not specified | Raptor Lake |

| Generation | Core 7 (Bartlett Lake) | Core i9 (Raptor Lake Refresh) |

| Series | Not specified | Core 14th Gen |

| Memory Bandwidth | 89.6 GB/s | Not specified |

| Multiplier Unlocked | No | Yes |

| Launch MSRP | $384 | Not specified |

| Release Date | 2025-01-12 | 2024-06-30 |

| Part Number | SRQDUQ657 | Q49DSRNJC |

Shared specifications include the socket (Intel Socket 1700), process node (10 nm), die size (257 mm²), foundry (Intel), cache hierarchy (80 KB L1 per core, 2 MB L2 per core, 36 MB L3 shared), memory support (DDR4 and DDR5), memory bus (dual-channel), ECC support (true), PCIe (Gen 5, 16 lanes CPU only), integrated graphics (UHD Graphics 770), market segment (desktop), and production status (Active). The percentile ranking for both is 50, and both have an average benchmark score of zero in the database.