Intel Core i3-12100 vs Intel Core i3-1210U Comparison

FAQ

Q: Which processor wins in the majority of head-to-head benchmark comparisons?

A: The Intel Core i3-12100 wins 13 of the 17 recorded head-to-head tests, while the Intel Core i3-1210U wins only 4. The desktop part dominates in rendering, compression, encryption, and math workloads.

Q: How large is the performance gap in Cinebench R23 multi-core?

A: The Core i3-12100 scores 10623 versus 8413 for the Core i3-1210U, a difference of 20.8%. The same delta applies to every Cinebench test recorded, from R15 single-core to R23 multi-core.

Q: Are there any workloads where the mobile chip beats the desktop chip?

A: Yes. The Core i3-1210U wins in PassMark single-thread (3354 versus 3173, a 5.7% advantage), PassMark physics (781 versus 776, a 0.6% edge), and PassMark find prime numbers (51 versus 49, a 4.1% lead).

Q: Do the two processors share the same production node?

A: Both are built on Intel's 10 nm process and use the Alder Lake architecture. The difference lies in the specific variant: Alder Lake-U for the 1210U and Alder Lake-S for the 12100.

Q: What is the difference in L3 cache capacity?

A: The Core i3-12100 has 12 MB of shared L3 cache, while the Core i3-1210U has 10 MB. L1 and L2 cache are identical per core at 80 KB and 1.25 MB respectively.

Q: How do the two compare in overall benchmark standing?

A: The Core i3-1210U sits at the 68th percentile of all CPUs with an average benchmark score of 12795. The Core i3-12100 is at the 67th percentile with an average score of 12054, despite winning most direct comparisons.

Architecture Differences

The Intel Core i3-1210U and Intel Core i3-12100 both belong to the Alder Lake family and are fabricated on Intel's 10 nm process, but they target different market segments with distinct configurations. The 1210U is a mobile part under the Alder Lake-U codename, built for the Intel BGA 1781 socket. The 12100 is a desktop processor under the Alder Lake-S codename, using Intel Socket 1700.

Core counts differ significantly. The 1210U packs 6 cores and 8 threads, while the 12100 has 4 cores and 8 threads. This means the mobile chip relies on more physical cores, likely to compensate for lower clock speeds in power-constrained environments. The base clock tells the story: the 1210U runs at 1000 MHz, while the 12100 starts at 3300 MHz. Boost clocks are closer, with the 1210U reaching 4.40 GHz and the 12100 reaching 4.30 GHz.

Thermal design power diverges sharply. The 1210U is rated at 9 watts, a figure suited for thin-and-light laptops. The 12100 draws 60 watts, reflecting its desktop orientation. This thermal gap explains why the desktop chip sustains higher performance in multi-threaded workloads despite having fewer cores.

Cache hierarchies are similar but not identical. Both allocate 80 KB of L1 per core and 1.25 MB of L2 per core. The shared L3 cache differs: 10 MB on the 1210U versus 12 MB on the 12100. The desktop part also has a known die size of 163 mm², while the mobile chip's die size is not recorded in the database.

Integrated graphics distinguish the two as well. The 1210U carries UHD Graphics 64EU, while the 12100 uses UHD Graphics 730. Both support DDR4 and DDR5 memory over a dual-channel bus. PCIe capabilities differ: the 1210U supports Gen 4, while the 12100 supports Gen 5 with 16 lanes for CPU-attached devices. Neither supports ECC memory, and both have locked multipliers.

The 12100 was released on January 3, 2022, with a launch MSRP of $122. The 1210U followed on February 22, 2022, with no recorded launch MSRP. Both remain in active production.

Head-to-Head Benchmarks

The recorded data shows a clear pattern: the Core i3-12100 wins nearly every compute-heavy test, but the Core i3-1210U scores surprising wins in specific single-threaded and physics-oriented workloads.

Cinebench results are uniform. Across R15, R20, and R23, the 12100 leads by exactly 20.8% in both single-core and multi-core tests. For example, Cinebench R23 multi-core shows 10623 for the 12100 versus 8413 for the 1210U. Single-core R23 shows 1499 versus 1187. The consistency of the 20.8% delta suggests a fixed frequency advantage in these rendering workloads.

PassMark data compression favors the 12100 by 27.5%, with scores of 142060 versus 102965. Extended instructions swing even wider: the 12100 scores 9702, a 39.7% advantage over the 1210U's 5852. Floating-point math also goes to the desktop chip, 28015 versus 23815, a 15% gap. Random string sorting shows a 17.9% lead for the 12100 (14286 versus 11727), and multi-thread performance is 16% higher (12170 versus 10228).

Data encryption is closer but still favors the 12100: 7222 versus 6348, a 12.1% delta. Integer math is the tightest of the 12100 wins, with 35678 versus 34445, only a 3.5% difference.

The 1210U's victories are narrow but real. PassMark single-thread shows 3354 versus 3173, a 5.7% advantage for the mobile chip. Physics testing gives the 1210U a 0.6% edge (781 versus 776). Prime number finding shows 51 versus 49, a 4.1% win. These results indicate that at low thread counts, the 1210U's higher boost clock can overcome its lower base frequency.

Specification Differences

| Field | Intel Core i3-1210U | Intel Core i3-12100 |

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

| Cores | 6 | 4 |

| Threads | 8 | 8 |

| Base Clock | 1000 MHz | 3300 MHz |

| Boost Clock | 4.40 GHz | 4.30 GHz |

| TDP | 9 W | 60 W |

| Socket | Intel BGA 1781 | Intel Socket 1700 |

| Codename | Alder Lake-U | Alder Lake-S |

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

| Die Size | Not recorded | 163 mm² |

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

| Integrated Graphics | UHD Graphics 64EU | UHD Graphics 730 |

| Market Segment | Mobile | Desktop |

| Release Date | 2022-02-22 | 2022-01-03 |

| Launch MSRP | Not recorded | $122 |

| Part Number | Not recorded | SRL62 |

The Verdict

The data points to a straightforward conclusion for most users: the Intel Core i3-12100 is the stronger processor in the vast majority of workloads. Its 20.8% lead across every Cinebench test, combined with advantages ranging from 3.5% to 39.7% in PassMark suites, makes it the clear choice for rendering, compression, encryption, and general multi-threaded tasks. The desktop chip achieves this with only 4 cores, relying on its 3300 MHz base clock and 60-watt thermal envelope to outpace the 6-core mobile part.

The Intel Core i3-1210U is not without merit. Its 5.7% single-thread PassMark win and 4.1% prime number advantage show that the higher 4.40 GHz boost clock can deliver wins in lightly threaded scenarios. The 0.6% physics edge is negligible but real. For mobile users who need battery-conscious operation, the 9-watt TDP is a decisive factor that no benchmark score captures.

The database places the 1210U at the 68th percentile and the 12100 at the 67th percentile, with average scores of 12795 and 12054 respectively. This apparent contradiction, where the slower chip in head-to-head tests ranks slightly higher overall, reflects the fact that the 1210U's nearest rivals include high-end parts like the AMD Ryzen Threadripper 3990X, while the 12100 sits near server chips like the Intel Xeon Gold 6314U.

Buyers on a desktop should pick the Core i3-12100 without hesitation. It wins 13 of 17 direct comparisons, offers a larger L3 cache, supports PCIe Gen 5, and carries a launch MSRP of $122. Mobile buyers should choose the Core i3-1210U for its 9-watt power draw and its niche single-thread strengths, accepting that multi-core performance trails by roughly 16% to 20% in most tests. The decision comes down to platform: desktop users get raw performance, while mobile users get efficiency with a few targeted wins.