Intel Core 3 N355 vs Intel Core i3-1210U Comparison

The Intel Core 3 N355 and Intel Core i3-1210U are both active mobile processors from Intel, but they target different priorities. The recorded data shows a split decision: the i3-1210U wins 10 of the 17 head-to-head benchmark comparisons, while the Core 3 N355 wins 7. The i3-1210U takes a commanding lead in sustained multi-core rendering and single-thread performance, while the N355 counters with decisive wins in memory-intensive and data-processing tasks. Your choice should hinge on workload: if you need maximum Cinebench rendering throughput or snappy single-core response, the i3-1210U is the clear pick. If your work involves heavy data compression, encryption, or sorting, the N355’s architecture delivers better results despite its lower average score.

The Verdict

The data points to a clear role separation. The Intel Core i3-1210U is the better choice for general productivity, software development, and any task that relies heavily on single-threaded performance or sustained multi-core rendering. Its Cinebench R23 multi-core score of 8413 is 37.5% higher than the N355’s 5262, and its single-core score of 1187 is 12.5% higher. For users running modern applications that favor higher clock speeds and newer core designs, the i3-1210U’s 4.40 GHz boost clock and dual-channel memory bus provide a tangible advantage.

The Intel Core 3 N355, on the other hand, is the pick for specialized data workloads. It wins PassMark Data Compression by 14.1%, Data Encryption by 27.9%, and Random String Sorting by 25.4%. These are not trivial margins. If your daily driver involves database operations, file archiving, or cryptographic tasks, the N355’s 8 cores and larger L1 cache (96 KB per core) make it the more efficient tool. Its average benchmark score of 13492 also edges out the i3-1210U’s 12795, placing both in the 68th percentile of all CPUs, but the N355 sits slightly higher overall.

For most users, the i3-1210U is the safer recommendation. It wins the most comparisons, including the critical Cinebench R23 multi-core test, and its 9W TDP is lower than the N355’s 15W, making it more suitable for thin-and-light laptops. The N355 is a niche part: pick it only if your software stack is dominated by the data-processing tasks where it excels.

Architecture Differences

The two processors come from different Intel design lineages. The Core 3 N355 is based on the Twin Lake architecture, part of the Alder Lake-N generation, built on a 10 nm process. It uses 8 cores and 8 threads, with a base clock of 1.90 GHz and a boost clock of 3.90 GHz. Its cache layout is distinctive: 96 KB of L1 per core, 2 MB of shared L2, and 6 MB of shared L3. This is a single-cluster design optimized for throughput on parallel data tasks.

The Core i3-1210U is an Alder Lake-U part, also on a 10 nm process, but with a different configuration. It has 6 cores and 8 threads, with a base clock listed at 1000.00 MHz (effectively 1.00 GHz) and a boost clock of 4.40 GHz. Its cache is split differently: 80 KB of L1 per core, 1.25 MB of L2 per core, and 10 MB of shared L3. The larger L3 cache (10 MB vs. 6 MB) likely contributes to the i3-1210U’s better performance in multi-threaded rendering and single-thread tests.

Memory support also differs. The N355 supports DDR4, DDR5, and LPDDR5, but only over a single-channel bus with a bandwidth of 38.4 GB/s. The i3-1210U supports DDR4 and DDR5 over a dual-channel bus, which the recorded data shows as a major factor in its favor for bandwidth-sensitive applications. The N355 uses a Gen 3 PCIe interface with 9 lanes, while the i3-1210U uses Gen 4, offering newer connectivity standards. Integrated graphics also diverge: the N355 has UHD Graphics 770, while the i3-1210U has UHD Graphics 64EU. The N355 uses socket Intel BGA 1264; the i3-1210U uses Intel BGA 1781.

FAQ

Q: Which processor is faster in Cinebench R23 multi-core?

A: The Intel Core i3-1210U is significantly faster, scoring 8413 versus the Core 3 N355’s 5262, a delta of 37.5% in favor of the i3-1210U.

Q: Does the Core 3 N355 have any benchmark wins over the i3-1210U?

A: Yes, it wins 7 of 17 head-to-head tests, including PassMark Data Compression (117435 vs. 102965, 14.1% higher), Data Encryption (8121 vs. 6348, 27.9% higher), and Random String Sorting (14706 vs. 11727, 25.4% higher).

Q: What is the difference in single-thread performance?

A: The i3-1210U leads in PassMark Single Thread with a score of 3354, which is 35.8% higher than the N355’s 2153. In Cinebench R15 Single Core, the N355 actually wins with 168 vs. 119, a 41.2% margin, but the i3-1210U takes R23 Single Core with 1187 vs. 1039.

Q: How do their average benchmark scores compare?

A: The Core 3 N355 has an average benchmark score of 13492, while the i3-1210U sits at 12795. Both are in the 68th percentile of all CPUs, but the N355 is slightly higher on average.

Q: Which processor has more cores?

A: The Core 3 N355 has 8 cores and 8 threads. The Core i3-1210U has 6 cores and 8 threads, meaning the N355 has more physical cores, but the i3-1210U matches it in thread count.

Q: Are there differences in memory channel support?

A: Yes. The N355 supports DDR4, DDR5, and LPDDR5 over a single-channel bus with 38.4 GB/s bandwidth. The i3-1210U supports DDR4 and DDR5 over a dual-channel bus, which the benchmark data suggests helps its multi-core performance.

Specification Differences

The two CPUs differ across several recorded specification fields. The Core 3 N355 has 8 cores and 8 threads; the Core i3-1210U has 6 cores and 8 threads. Base clocks are starkly different: the N355 runs at 1.90 GHz, while the i3-1210U is listed at 1000.00 MHz (1.00 GHz). Boost clocks reverse the trend: the N355 boosts to 3.90 GHz, while the i3-1210U reaches 4.40 GHz. TDP also diverges: the N355 draws 15W, the i3-1210U only 9W.

Cache configurations are distinct. The N355 uses 96 KB of L1 per core, 2 MB of shared L2, and 6 MB of shared L3. The i3-1210U uses 80 KB of L1 per core, 1.25 MB of L2 per core, and 10 MB of shared L3. Memory support differs: the N355 adds LPDDR5 and has a single-channel bus with a stated bandwidth of 38.4 GB/s; the i3-1210U supports DDR4 and DDR5 only, but over a dual-channel bus with no bandwidth figure in the data. PCIe capabilities differ, with the N355 using Gen 3 and 9 lanes, while the i3-1210U uses Gen 4. Integrated graphics are different models: UHD Graphics 770 for the N355, UHD Graphics 64EU for the i3-1210U. Sockets are different: BGA 1264 for the N355, BGA 1781 for the i3-1210U. Release dates also differ, with the N355 launching in January 2025 and the i3-1210U in February 2022.

Head-to-Head Benchmarks

The biggest win for the Intel Core i3-1210U is in Cinebench R23 Multi Core, where it scores 8413 versus the N355’s 5262, a 37.5% advantage. This is a decisive margin that indicates the i3-1210U’s dual-channel memory and larger L3 cache (10 MB) provide a substantial benefit in heavily threaded rendering workloads. The i3-1210U also wins PassMark Single Thread by 35.8% (3354 vs. 2153), which is expected given its higher 4.40 GHz boost clock. It also takes PassMark Find Prime Numbers by 47.1% (51 vs. 27), a test that rewards raw integer throughput per core.

The Core 3 N355 counters with its own set of strong wins. In Cinebench R15 Single Core, it scores 168 versus the i3-1210U’s 119, a 41.2% lead, which is surprising given the i3-1210U’s higher boost clock, but the N355’s newer Twin Lake architecture may explain the result. The N355 also wins PassMark Data Encryption by 27.9% (8121 vs. 6348) and Random String Sorting by 25.4% (14706 vs. 11727). These wins point to the N355’s 8-core design being more effective at parallel data manipulation tasks.

Other tests are closer. In Cinebench R20 Multi Core, the N355 wins 3612 vs. 3533, a 2.2% margin. In Cinebench R20 Single Core, the N355 wins again 509 vs. 498, also by 2.2%. PassMark Extended Instructions favors the N355 by 2% (5968 vs. 5852). The i3-1210U wins PassMark Floating Point Math by 4.7% (23815 vs. 22695) and Integer Math by 1.6% (34445 vs. 33894). PassMark Multi Thread is nearly identical, with the i3-1210U ahead by 0.5% (10228 vs. 10174). PassMark Physics goes to the i3-1210U by 20% (781 vs. 625). The overall win count is 10 for the i3-1210U and 7 for the N355.

Where Each One Wins

The Intel Core i3-1210U is the winner for users who prioritize raw CPU speed in traditional computing tasks. Its Cinebench R23 Multi Core score of 8413 makes it the clear choice for video editing, 3D rendering, and software compilation, where long-running multi-threaded workloads dominate. Its PassMark Single Thread score of 3354 also makes it superior for everyday responsiveness, office applications, and web browsing, where single-core performance is often the bottleneck. The lower 9W TDP is a bonus for battery life in ultra-portable laptops. The i3-1210U also wins in physics simulations (781 vs. 625 in PassMark Physics), making it better for certain scientific or engineering workloads.

The Intel Core 3 N355 is the specialist for data-centric applications. Its wins in PassMark Data Compression (117435 vs. 102965), Data Encryption (8121 vs. 6348), and Random String Sorting (14706 vs. 11727) make it the superior choice for database management, file archiving, and cryptographic operations. The 8-core layout and 96 KB per-core L1 cache appear to be well-suited to these parallel data-processing tasks. The N355 also wins Cinebench R15 Single Core by 41.2%, suggesting it has a strong edge in older, less complex single-threaded workloads. Its higher 15W TDP means it can sustain higher clocks under load, which likely contributes to these wins.

If you are building or buying a general-purpose laptop, the i3-1210U is the data-backed recommendation. If your workflow is dominated by the specific data tasks where the N355 wins, that processor is the one to choose. The two are close in overall average score (13492 vs. 12795), but the distribution of wins is what matters for real-world use.