Intel Core i3-1210U vs Intel Core i7-1250U Comparison

Head-to-Head Benchmarks

The head-to-head comparison between the Intel Core i7-1250U and Intel Core i3-1210U reveals a surprisingly lopsided contest, with the i7 taking 14 of 17 benchmark wins. The most dramatic gap appears in Cinebench R15 single-core, where the i7-1250U scores 226 against 119 for the i3-1210U, a 89.9% advantage. This is the largest margin in the entire dataset, and it signals that the i7's architectural advantages are most pronounced in lightly threaded workloads.

Cinebench R15 multicore also favors the i7-1250U, with a score of 1172.94 versus 847, a 38.5% lead. The i7 continues its winning streak in Cinebench R20, taking both the multicore test (3983 vs 3533, a 12.7% gap) and the single-core test (562 vs 498, a 12.9% gap). Cinebench R23 single-core shows the i7 ahead by 32.6%, scoring 1574 against 1187.

However, the data contains one striking reversal. In Cinebench R23 multicore, the i3-1210U wins outright with a score of 8413 against the i7's 7069, a 16% difference in favor of the i3. This is the only Cinebench multicore test where the i3 comes out ahead, and it directly contradicts the pattern established in R15 and R20. The inconsistency raises questions about thermal behavior, power delivery, or test methodology that the raw scores alone cannot answer.

PassMark results follow the i7's dominance. Data compression shows the i7 at 119280 versus 102965, a 15.8% lead. Data encryption favors the i7 by 20.4% (7642 vs 6348). Extended instructions go to the i7 by 11% (6497 vs 5852). Find prime numbers, a heavily integer-bound workload, gives the i7 a 13.7% edge (58 vs 51). Floating point math and integer math both favor the i7 by 11.8% and 17.1% respectively. The i7 also wins multithread (11329 vs 10228, a 10.8% lead), physics (881 vs 781, a 12.8% lead), and random string sorting (13593 vs 11727, a 15.9% lead).

The i3-1210U claims two additional wins in the PassMark suite, both in single-thread tests. PassMark single-thread and the duplicate singlethread entry both show the i3 scoring 3354 against the i7's 2703, a 19.4% advantage. This is a notable result: the i3 wins both single-thread PassMark tests while losing every single-core Cinebench test. The discrepancy between PassMark's single-thread measurement and Cinebench's single-core measurement suggests the two suites stress different aspects of the core, possibly different instruction mixes or cache access patterns.

Architecture Differences

Both processors come from Intel's Alder Lake family, specifically the Alder Lake-U mobile lineup, and both are built on Intel's 10 nm process node. They share the same socket, Intel BGA 1781, and both support DDR4 and DDR5 memory over a dual-channel bus with PCIe Gen 4. Neither supports ECC memory, and both have a 9 W TDP, which is remarkably low for their performance class.

The core configurations differ substantially. The i7-1250U packs 10 cores and 12 threads, while the i3-1210U has 6 cores and 8 threads. This 4-core gap explains much of the i7's multicore advantage, though the Cinebench R23 multicore result for the i3 complicates that simple narrative. Clock speeds also differ: the i7 has a 1100 MHz base clock and a 4.70 GHz boost clock, while the i3 runs at 1000 MHz base and 4.40 GHz boost. The i7's higher boost clock likely contributes to its single-core wins, but the i3's PassMark single-thread victory suggests clock speed alone does not tell the whole story.

Cache allocation shows another clear distinction. Both chips feature 80 KB of L1 cache per core and 1.25 MB of L2 cache per core. The L3 cache, however, gives the i7 an edge: 12 MB shared versus 10 MB shared for the i3. This 2 MB difference could influence workloads with larger working sets, particularly the data compression and encryption tests where the i7 led by 15.8% and 20.4% respectively.

The integrated graphics provide a notable separation. The i7-1250U includes Iris Xe graphics with 96 execution units, while the i3-1210U uses UHD Graphics with 64 execution units. The database does not include graphics benchmarks, but the 50% difference in execution unit count suggests the i7 should handle visually intensive tasks more comfortably. Both chips target the mobile market segment, are currently marked as Active in production, and launched on the same date, 2022-02-22. Neither has an unlocked multiplier, so overclocking is not a consideration for either part.

Where Each One Wins

The i7-1250U is the clear choice for multi-threaded productivity. Its wins in Cinebench R15 and R20 multicore, plus PassMark multithread, physics, integer math, floating point math, and data encryption, make it the stronger part for rendering, compilation, or any workload that scales across cores. The i7 also dominates in single-core Cinebench tests, which are often used as a proxy for general responsiveness and legacy application performance.

The i3-1210U finds its niche in two specific areas. First, Cinebench R23 multicore, where it outperforms the i7 by 16%. This test is a modern industry standard for sustained all-core rendering, so the i3's win here is not trivial. Second, PassMark single-thread, where the i3 leads by 19.4%. For users who prioritize fast single-threaded execution in PassMark-style workloads, the i3 appears to hold an unexpected advantage.

The broader context shows the i7-1250U ranks at the 68th percentile among all CPUs with an average benchmark score of 13351. Its nearest rivals include the Intel Core i7-7700K (average score 13291, a 0.5% difference) and the Intel Core i5-9500 (average score 13452, a 0.7% gap). The i3-1210U also sits at the 68th percentile with an average score of 12795, and its nearest rivals include the AMD Ryzen Threadripper 3990X (average score 12786, a 0.1% difference) and the Intel Core i5-8400 (average score 12765, a 0.2% gap). Both chips land in the same percentile band, which means their overall performance profiles are closer than the head-to-head wins might suggest.

FAQ

Q: Which processor wins more head-to-head benchmarks?

A: The Intel Core i7-1250U wins 14 of 17 head-to-head tests, while the Intel Core i3-1210U wins 3.

Q: What is the largest performance gap in either direction?

A: The i7-1250U leads by 89.9% in Cinebench R15 single-core (226 vs 119). The i3-1210U leads by 19.4% in PassMark single-thread (3354 vs 2703).

Q: Does the i3-1210U win any multicore test?

A: Yes, the i3-1210U wins Cinebench R23 multicore with a score of 8413 against the i7-1250U's 7069, a 16% advantage.

Q: How do the core counts differ?

A: The i7-1250U has 10 cores and 12 threads, while the i3-1210U has 6 cores and 8 threads.

Q: Are both processors built on the same process node?

A: Yes, both use Intel's 10 nm process node and belong to the Alder Lake-U architecture family.

Q: Do the two chips have the same integrated graphics?

A: No, the i7-1250U uses Iris Xe graphics with 96 execution units, while the i3-1210U uses UHD Graphics with 64 execution units.

The Verdict

The data points to the Intel Core i7-1250U as the stronger all-around mobile processor. It wins the majority of benchmarks, often by double-digit margins, and its higher core count, larger L3 cache, and more powerful integrated graphics give it a structural advantage across most workload types. The 89.9% lead in Cinebench R15 single-core is particularly decisive, and the consistent wins in PassMark integer, floating point, encryption, and compression tests suggest real-world benefits for everyday computing tasks.

The Intel Core i3-1210U should not be dismissed. Its Cinebench R23 multicore win by 16% indicates that in at least one modern rendering workload, the i3 can outperform its larger sibling. The 19.4% PassMark single-thread lead also shows that the i3's cores, when measured by PassMark's methodology, execute single-threaded code faster than the i7's. Users who prioritize the specific workloads represented by those two tests may find the i3 sufficient.

For most users, however, the i7-1250U is the safer pick. It matches or beats the i3 in 14 of 17 tests, including all other single-core and multicore Cinebench variants, and its additional cores and cache provide headroom for future workloads. Both chips share the same 9 W TDP, so the i7's performance advantage does not come at a power cost. The i7 also carries the more capable Iris Xe 96EU graphics, which matters for laptops without discrete GPUs. The i3-1210U remains a viable lower-tier option, but the benchmark record favors the i7-1250U for anyone who needs consistent performance across a broad range of tasks.

Specification Differences

| Specification | Intel Core i7-1250U | Intel Core i3-1210U |

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

| Cores | 10 | 6 |

| Threads | 12 | 8 |

| Base Clock | 1100 MHz | 1000 MHz |

| Boost Clock | 4.70 GHz | 4.40 GHz |

| L3 Cache | 12 MB (shared) | 10 MB (shared) |

| Integrated Graphics | Iris Xe 96EU | UHD Graphics 64EU |

| Generation | Core i7 (Alder Lake-U) | Core i3 (Alder Lake-U) |