Intel Core i5-9500 vs Intel Core i7-1250U Comparison

The benchmark data presents a clear generational clash: the Intel Core i7-1250U, a mobile Alder Lake part, decisively outperforms the older desktop Intel Core i5-9500 in the majority of tests, winning 15 of 19 head-to-head comparisons. However, the i5-9500 retains specific strengths in legacy workloads and sustained multi-core rendering, making the choice dependent on the application. The i7-1250U’s overall average benchmark score of 13,351 is only 0.8% behind the i5-9500’s 13,452, placing both in the 68th percentile of all CPUs, but their performance profiles are starkly different.

Head-to-Head Benchmarks

The i7-1250U dominates in single-threaded and modern multi-core tests. Its most dramatic victory is in Cinebench R15 single-core, where it scores 226 versus the i5-9500’s 109, a 51.8% advantage. This gap narrows but remains significant in Cinebench R23 single-core (1,574 vs 1,087, a 30.9% lead) and Geekbench single-core (1,661 vs 1,448, a 12.8% lead). The mobile chip’s higher boost clock of 4.70 GHz, compared to the i5-9500’s 4.30 GHz, directly contributes to this superiority in lightly-threaded workloads.

In multi-core scenarios, the i7-1250U also leads in most Cinebench iterations, but not all. It wins Cinebench R15 multi-core by a massive 33.8% (1,172.94 vs 776) and Cinebench R20 multi-core by 18.8% (3,983 vs 3,236). However, the i5-9500 fights back in Cinebench R23 multi-core, scoring 7,705 versus 7,069, a 9% win. This suggests that under sustained, longer-duration rendering loads, the desktop chip’s higher 65W TDP allows it to maintain performance better than the 9W mobile part, which may be constrained by thermal or power limits.

The i7-1250U also excels in synthetic integer and floating-point workloads. Passmark integer math shows a 31.6% lead (40,328 vs 27,574), and floating-point math is 10.7% faster (26,625 vs 23,788). The i7-1250U’s advantage in data encryption is staggering: 7,642 versus 3,125, a 59.1% delta, likely due to newer AES-NI instructions. It also wins Passmark physics (881 vs 619, a 29.7% lead) and prime number finding (58 vs 36, a 37.9% lead). Passmark multithread shows a 13.3% win (11,329 vs 9,826).

Conversely, the i5-9500 secures four wins, primarily in memory and instruction-heavy tasks. Its most outstanding victory is in Passmark extended instructions, scoring 12,088 versus 6,497, an 86.1% margin. This indicates the older architecture handles certain legacy or specialized instruction sets far more efficiently. The i5-9500 also wins Passmark data compression (136,283 vs 119,280, a 14.3% lead) and random string sorting (16,894 vs 13,593, a 24.3% lead). These wins point to the i5-9500’s superior memory bandwidth of 42.7 GB/s, which is not listed for the i7-1250U, giving it an edge in data movement-heavy tasks.

FAQ

Q: Which processor has a higher single-core performance?

A: The Intel Core i7-1250U is consistently faster in single-core tests. It leads by 51.8% in Cinebench R15 single-core, 30.9% in Cinebench R23 single-core, and 12.8% in Geekbench single-core.

Q: Does the i5-9500 win any multi-core benchmark?

A: Yes. The i5-9500 wins Cinebench R23 multi-core with a score of 7,705, which is 9% higher than the i7-1250U’s 7,069. In other multi-core tests, like Cinebench R15 and R20, the i7-1250U wins.

Q: How do the two chips compare in overall average benchmark score?

A: They are nearly identical. The i5-9500 has an average benchmark score of 13,452, while the i7-1250U scores 13,351, a difference of only 0.8% in favor of the i5-9500.

Q: Which CPU is better for encryption-heavy workloads?

A: The i7-1250U is vastly superior in data encryption, scoring 7,642 in Passmark data encryption compared to the i5-9500’s 3,125, a 59.1% advantage.

Q: What is the biggest performance gap between the two CPUs in any single test?

A: The largest delta is in Passmark extended instructions, where the i5-9500 wins by 86.1%, scoring 12,088 versus the i7-1250U’s 6,497.

Q: Which processor has a higher thread count?

A: The i7-1250U has 12 threads, while the i5-9500 has 6 threads. The i7-1250U also has 10 cores compared to the i5-9500’s 6 cores.

Where Each One Wins

The i7-1250U is the clear winner for general-purpose computing, productivity, and modern applications. Its superior single-core performance, as evidenced by wins in Cinebench R15, R20, and R23 single-core tests, makes it ideal for responsive everyday use, web browsing, and office software. Its dominance in integer math (40,328 vs 27,574) and floating-point math (26,625 vs 23,788) makes it better suited for computational tasks like video editing, 3D modeling, and scientific simulations that aren’t purely rendering-based. The massive lead in data encryption (7,642 vs 3,125) makes it the preferred choice for security-related tasks, VPNs, and disk encryption. Its 10 cores and 12 threads provide a solid foundation for multitasking, as shown by its 13.3% win in Passmark multithread.

The i5-9500 wins in specific niches where its architecture and memory subsystem shine. Its 86.1% victory in Passmark extended instructions suggests it is better for legacy software that relies on older instruction sets. The wins in data compression (136,283 vs 119,280) and random string sorting (16,894 vs 13,593) indicate it is superior for database operations, file archiving, and other tasks that involve heavy data shuffling. The Cinebench R23 multi-core win (7,705 vs 7,069) shows that for long, sustained rendering workloads, the desktop chip’s higher power envelope allows it to outperform the mobile part, which likely throttles under prolonged stress.

Specification Differences

The two processors differ fundamentally in their target platforms and core configurations. The i5-9500 is a desktop chip with 6 cores and 6 threads, while the i7-1250U is a mobile chip with 10 cores and 12 threads. The i5-9500 has a base clock of 3.00 GHz and a boost clock of 4.30 GHz, whereas the i7-1250U has a base clock of 1100.00 MHz and a boost clock of 4.70 GHz. The i5-9500 has a TDP of 65W, while the i7-1250U is rated at just 9W. The i5-9500 uses an Intel Socket 1151, while the i7-1250U uses an Intel BGA 1781. The i5-9500 supports DDR4 memory with a bandwidth of 42.7 GB/s, while the i7-1250U supports both DDR4 and DDR5, with no bandwidth figure listed. The i5-9500 has PCIe Gen 3 with 16 lanes (CPU only), while the i7-1250U has PCIe Gen 4. The i5-9500 has 9 MB of shared L3 cache, while the i7-1250U has 12 MB. The i5-9500 has a L1 cache of 64 KB per core and L2 of 256 KB per core; the i7-1250U has 80 KB L1 per core and 1.25 MB L2 per core. The i5-9500 is marked as end-of-life, while the i7-1250U is active. The i5-9500 was released in 2018, while the i7-1250U was released in 2022.

Architecture Differences

These CPUs represent two distinct Intel architectures. The i5-9500 is built on the Coffee Lake architecture using a 14 nm process node, while the i7-1250U is based on the Alder Lake architecture using a 10 nm process node. The i5-9500 is part of the Core i5 (Coffee Lake Refresh) generation, while the i7-1250U is part of the Core i7 (Alder Lake-U) generation. The i5-9500 uses the older Coffee Lake codename, while the i7-1250U uses Alder Lake-U. The i5-9500 has integrated graphics in the form of UHD 630, while the i7-1250U features the more powerful Iris Xe 96EU. Both have dual-channel memory buses and do not support ECC memory. Neither has an unlocked multiplier. The i5-9500 is produced by Intel, as is the i7-1250U. The i5-9500’s part number is SR3XG, while the i7-1250U’s part number is not listed.

The Verdict

The data is unambiguous for most users: the Intel Core i7-1250U is the superior processor. It wins 15 of 19 benchmarks, including all single-core tests, and its lead in encryption and integer math is substantial. For anyone running modern software that is optimized for newer instruction sets and higher clock speeds, the i7-1250U is the clear choice. Its 10 cores and 12 threads provide more headroom for multitasking than the i5-9500’s 6 cores and 6 threads. The fact that it achieves this while having a TDP of only 9W, compared to the i5-9500’s 65W, makes it an exceptionally efficient performer for mobile devices.

The i5-9500 should only be chosen for very specific, niche workloads. If a user’s primary applications involve legacy instruction sets, data compression, or random string sorting, the i5-9500 offers significant advantages, including an 86.1% win in extended instructions and a 24.3% win in string sorting. Its 9% victory in Cinebench R23 multi-core also suggests it may be better for long, sustained rendering tasks where the higher TDP allows for consistent performance without thermal throttling. However, these are narrow use cases. The i7-1250U’s massive wins in encryption and its overall single-core dominance make it the better all-around processor for the vast majority of workloads. The i5-9500 is an end-of-life product, whereas the i7-1250U is active, further solidifying the recommendation for the newer mobile chip.