Intel Core 7 251TE vs Intel Core i9-14900T Comparison

Both processors share the same core and thread counts, yet the benchmark data shows a consistent performance gap. The Intel Core i9-14900T wins every single head-to-head test in the database, making the comparison less about capability and more about the magnitude of the difference. The Core 7 251TE, despite its newer release date, trails by margins ranging from roughly 8% to over 28% depending on the workload.

Where Each One Wins

The database records a clean sweep for the Intel Core i9-14900T. Out of 17 head-to-head benchmark comparisons, the Core i9-14900T wins 17, while the Core 7 251TE wins none. This is not a close contest with trade-offs; it is a decisive victory for the older, higher-tier part.

The Core i9-14900T's advantages are most pronounced in specific computational areas. The largest lead appears in PassMark's extended instructions test, where the Core i9-14900T scores 23660 against the Core 7 251TE's 16974, a delta of -28.3% from the perspective of the Core 7. This suggests a significant advantage in workloads that utilize advanced CPU instruction sets, such as encryption, vector processing, or specialized media codecs. The data compression test also shows a large gap, with the Core i9-14900T scoring 436066 versus 334399, a -23.3% difference, indicating faster handling of compressed data streams.

The smallest margins are in floating-point math. The Core i9-14900T scores 92699 while the Core 7 251TE scores 85607, a delta of only -7.7%. Similarly, integer math shows a -9% delta (138149 vs 125739). These results imply that for raw arithmetic throughput, the two processors are relatively closer, though the Core i9-14900T still holds the advantage. For single-threaded performance, the Core i9-14900T leads by -11.2% in PassMark's single-thread test (4016 vs 3568), indicating a modest but consistent edge in lightly threaded applications.

FAQ

Q: Which processor is faster in multi-core workloads?

A: The Intel Core i9-14900T is faster in every multi-core test. In Cinebench R23 multi-core, it scores 30803 compared to the Core 7 251TE's 25518, a 17.2% difference. The PassMark multi-thread test shows a similar pattern: 36239 for the Core i9-14900T versus 30022 for the Core 7 251TE.

Q: How do the two processors compare in single-threaded performance?

A: The Core i9-14900T leads in all single-threaded tests as well. Cinebench R23 single-core shows a score of 4348 for the Core i9-14900T versus 3602 for the Core 7 251TE, a 17.2% gap. PassMark's single-thread test shows a smaller gap, with scores of 4016 and 3568, an 11.2% difference.

Q: What is the biggest performance difference between the two?

A: The largest delta is in the PassMark extended instructions test. The Core i9-14900T scores 23660, which is 28.3% higher than the Core 7 251TE's 16974. This is followed by the data compression test, where the Core i9-14900T leads by 23.3%.

Q: Are there any benchmarks where the Core 7 251TE wins?

A: No. The head-to-head benchmark data shows zero wins for the Core 7 251TE. The Intel Core i9-14900T wins all 17 recorded comparisons.

Q: What is the difference in their average benchmark scores?

A: The Core i9-14900T has an average benchmark score of 51015, while the Core 7 251TE has an average of 41650. This places the Core i9-14900T in the 90th percentile of all CPUs, whereas the Core 7 251TE sits in the 88th percentile.

Q: How does the Core 7 251TE compare to its own nearest rivals?

A: The Core 7 251TE is very close to its nearest rivals. It is 0.1% ahead of the Intel Core Ultra 7 265H and 0.2% ahead of the Intel Core i7-14650HX. It trails the Intel Core i7-12850HX by 0.3% and the Intel Core i7-14700T by 0.6%.

Head-to-Head Benchmarks

The Cinebench suite provides a clear picture of the performance hierarchy. In Cinebench R15 multi-core, the Core i9-14900T scores 3104 against the Core 7 251TE's 2572, a -17.1% delta. The single-core test shows a similar gap: 438 for the Core i9-14900T versus 362 for the Core 7 251TE, a -17.4% delta. Moving to Cinebench R20, the multi-core test shows 12937 versus 10717, and the single-core test shows 1826 versus 1512, both at a -17.2% delta. Cinebench R23 continues the trend: multi-core scores are 30803 and 25518, while single-core scores are 4348 and 3602, all with a consistent -17.2% delta. This consistency suggests a fundamental clock-for-clock or architectural advantage for the Core i9-14900T in rendering workloads.

PassMark results reveal where the gaps widen and narrow. The data compression test is a major differentiator: 436066 for the Core i9-14900T versus 334399 for the Core 7 251TE, a -23.3% delta. Encryption performance shows a -18.1% delta, with scores of 27062 and 22176. The extended instructions test is the most lopsided, with a -28.3% delta (23660 vs 16974). On the other end, floating-point math is the closest test, with a -7.7% delta (92699 vs 85607). Integer math follows at -9% (138149 vs 125739), and the single-thread test at -11.2% (4016 vs 3568). The physics test shows a -13.7% delta (2245 vs 1938), and random string sorting shows a -19.9% delta (49484 vs 39643). The find prime numbers test shows a -14.6% delta (164 vs 140). Finally, the PassMark multi-thread test shows a -17.2% delta (36239 vs 30022), mirroring the Cinebench multi-core results.

Specification Differences

The two processors share several key specifications. Both have 24 cores and 32 threads, and both use Intel Socket 1700. They also both support DDR4 and DDR5 memory in a dual-channel configuration, and both include ECC memory support. The PCIe configuration is identical: Gen 5 with 16 lanes (CPU only). Both feature UHD Graphics 770 as integrated graphics.

The differences start with clock speeds. The Core 7 251TE has a base clock of 1.40 GHz and a boost clock of 5.40 GHz. The Core i9-14900T has a lower base clock of 1.10 GHz but a higher boost clock of 5.50 GHz. The thermal design power also differs: the Core i9-14900T is rated at 35W, while the Core 7 251TE is rated at 45W. The die size is another distinction, with the Core 7 251TE measuring 215 mm² and the Core i9-14900T measuring 257 mm². The L2 cache differs per core as well: the Core 7 251TE has 1.25 MB per core, while the Core i9-14900T has 2 MB per core. The L3 cache is the same at 36 MB shared. The release dates differ, with the Core i9-14900T released in January 2024 and the Core 7 251TE released in January 2025. Neither processor has an unlocked multiplier.

Architecture Differences

Both processors are built on a 10 nm process node by Intel. The Core i9-14900T is part of the Core 14th Gen series and is based on the Raptor Lake architecture, specifically the Raptor Lake-R codename. The Core 7 251TE belongs to the Core 7 generation and uses the Bartlett Lake codename. Both have the same L1 cache at 80 KB per core and the same L3 cache at 36 MB shared, but the L2 cache per core is larger on the Core i9-14900T at 2 MB versus 1.25 MB on the Core 7 251TE. The memory bandwidth is listed for the Core 7 251TE at 89.6 GB/s, while no memory bandwidth figure is recorded for the Core i9-14900T in the database. Both processors are classified as Desktop market segment and are currently in Active production status.

The Verdict

The recorded data points to a clear choice for performance. The Intel Core i9-14900T is superior in every measured workload, from rendering to encryption to data compression. Its average benchmark score of 51015 is substantially higher than the Core 7 251TE's 41650. The Core i9-14900T also holds a higher percentile ranking at 90 versus 88.

The Core i9-14900T's advantages are rooted in several factors. It has a higher boost clock of 5.50 GHz versus 5.40 GHz. It also has a larger L2 cache per core (2 MB versus 1.25 MB), which likely contributes to its better performance in data-heavy tasks like compression and encryption. Its lower TDP of 35W, compared to 45W for the Core 7 251TE, indicates that it achieves this higher performance within a lower power envelope, a notable efficiency characteristic. The larger die size of 257 mm² versus 215 mm² may also hint at a more complex internal layout, though the database does not specify transistor counts.

For anyone prioritizing maximum throughput in multi-threaded applications, the Core i9-14900T is the processor the benchmarks favor. The Core 7 251TE, despite being a newer release, does not close the gap in any recorded test. The only scenario where the Core 7 251TE might be considered is if the lower base clock or the specific Bartlett Lake architecture holds relevance for a niche workload not covered by the benchmark suite. However, based on the available data, the Core i9-14900T is the definitive winner in this comparison, with margins that range from a close 7.7% in floating-point math to a dominant 28.3% in extended instructions.