Intel Core 3 N355 vs Intel Core 7 253PTE Comparison

The Intel Core 3 N355 and Intel Core 7 253PTE occupy different corners of Intel’s current lineup, and benchmark data shows a decisive performance gap between them. The Core 7 253PTE wins all 17 recorded head-to-head tests, with an average benchmark score of 34962 placing it in the 84th percentile of all CPUs. The Core 3 N355, by contrast, averages 13492 and sits in the 68th percentile. These are not competing processors in any practical sense; the data describes two distinct market tiers where the Core 7 253PTE delivers roughly 2.6 times the average performance of the Core 3 N355.

The Verdict

The Intel Core 7 253PTE is the clear choice for any workload that benefits from high core counts, fast single-thread execution, or substantial cache. Its 10 cores and 20 threads, paired with a 33 MB shared L3 cache and a boost clock of 5.40 GHz, produce results that rival much larger desktop processors. The recorded data shows it within 0.1% of the Intel Core i7-13800H and Intel Core i9-12900HX in average score, meaning it performs at the level of recent high-end mobile H-series chips. Users running multi-threaded applications such as video encoding, 3D rendering, or scientific computing should select the Core 7 253PTE without hesitation.

The Intel Core 3 N355 serves a different purpose. With 8 cores, 8 threads, and a 3.90 GHz boost clock, it delivers modest but functional performance for light productivity and everyday tasks. Its 68th percentile ranking places it near the Intel Core i3-12100F (0% delta) and Intel Core i5-9500 (0.3% ahead), showing that it competes with older mainstream desktop parts despite being a mobile-oriented chip. The N355 is appropriate for systems where power efficiency matters more than raw throughput, as its 15 W TDP is one-third of the Core 7 253PTE’s 45 W TDP. The data does not support using the N355 for demanding workloads; it wins none of the 17 head-to-head tests.

The single-thread results reinforce the tier separation. In Cinebench R23 single-core, the Core 7 253PTE scores 3003 against the N355’s 1039, a 65.4% deficit for the smaller chip. Even in the least lopsided test, PassMark single-thread, the N355 trails by 43.3% with 2153 versus 3794. The Core 7 253PTE is the only rational pick for users who need responsive performance in both single-threaded and multi-threaded applications. The N355 remains viable only for ultra-low-power builds where its smaller package and reduced thermal footprint are acceptable trade-offs.

FAQ

Q: Which processor has the higher boost clock?

A: The Intel Core 7 253PTE boosts to 5.40 GHz, while the Intel Core 3 N355 reaches 3.90 GHz.

Q: How do the two compare in multi-threaded rendering?

A: In Cinebench R23 multi-core, the Core 7 253PTE scores 21276 versus the N355’s 5262, a 75.3% advantage. The Core 7 253PTE also leads by 59.6% in Cinebench R20 multi-core, scoring 8935 to 3612.

Q: Does the Core 3 N355 support ECC memory?

A: No, the N355 does not support ECC memory. The Core 7 253PTE does support ECC memory.

Q: What is the memory bandwidth difference?

A: The Core 7 253PTE provides dual-channel memory with 89.6 GB/s bandwidth. The Core 3 N355 uses single-channel memory with 38.4 GB/s bandwidth.

Q: Which processor has the larger L3 cache?

A: The Core 7 253PTE has 33 MB of shared L3 cache. The Core 3 N355 has 6 MB of shared L3 cache.

Q: How does the Core 7 253PTE compare to the Intel Core i7-13800H?

A: The Core 7 253PTE’s average benchmark score of 34962 is 0.1% below the Intel Core i7-13800H, indicating near-identical average performance.

Architecture Differences

The two processors stem from different Intel designs. The Core 3 N355 uses the Twin Lake architecture, part of the Alder Lake-N generation, manufactured on a 10 nm process at Intel’s foundry. The Core 7 253PTE is based on the Bartlett Lake codename, also built on a 10 nm process by Intel, but belongs to a separate Core 7 generation line. The architectural split explains several key differences in core topology and cache hierarchy.

The N355 provides 8 cores and 8 threads, meaning each core handles a single thread. Its L1 cache is 96 KB per core, with a 2 MB shared L2 cache and a 6 MB shared L3 cache. The per-core L1 allocation is generous, but the overall cache pool is small relative to the Core 7 253PTE. That larger chip offers 10 cores and 20 threads, enabling simultaneous multi-threading across all cores. Its L1 cache is smaller at 80 KB per core, but the L2 cache jumps to 2 MB per core, and the L3 cache expands to 33 MB shared. The L3 difference alone, 33 MB versus 6 MB, represents a 5.5 times advantage for the Core 7 253PTE, which directly benefits workloads with large working sets.

The memory controllers also diverge. The N355 supports DDR4, DDR5, and LPDDR5 memory, but only on a single-channel bus with 38.4 GB/s bandwidth. The Core 7 253PTE supports DDR4 and DDR5 on a dual-channel bus, delivering 89.6 GB/s, more than double the bandwidth. The PCIe interface differs as well: the N355 offers Gen 3 with 9 lanes, while the Core 7 253PTE provides Gen 5 with 16 lanes. This makes the Core 7 253PTE substantially more capable for high-throughput peripherals such as modern GPUs or NVMe storage.

Integrated graphics also separate the two. The N355 includes UHD Graphics 770, while the Core 7 253PTE ships with UHD Graphics 730. The N355’s graphics tier is higher within Intel’s naming scheme, but the Core 7 253PTE compensates with far greater CPU resources for any graphics-dependent task that also requires processing power.

Specification Differences

The specification sheets show clear separation across nearly every field. The Core 3 N355 has 8 cores and 8 threads, while the Core 7 253PTE has 10 cores and 20 threads. Base clocks are close, 1.90 GHz versus 1.80 GHz, but boost clocks differ sharply: 3.90 GHz for the N355 and 5.40 GHz for the Core 7 253PTE. Thermal design power ranges from 15 W on the N355 to 45 W on the Core 7 253PTE, a 3 times difference.

Socket compatibility is distinct. The N355 uses Intel BGA 1264, a soldered mobile socket, while the Core 7 253PTE uses Intel Socket 1700, a desktop LGA socket. This means the N355 is intended for embedded or laptop-style boards, whereas the Core 7 253PTE targets standard desktop motherboards. The market segments confirm this: the N355 is listed as Mobile, and the Core 7 253PTE as Desktop.

Memory support overlaps on DDR4 and DDR5, but the N355 adds LPDDR5, which the Core 7 253PTE lacks. ECC memory is available only on the Core 7 253PTE. Memory bus width differs from single-channel to dual-channel, and bandwidth scales from 38.4 GB/s to 89.6 GB/s. PCIe generation jumps from Gen 3 on the N355 to Gen 5 on the Core 7 253PTE, with lane counts rising from 9 to 16. The release dates place the N355 at 2025-01-06 and the Core 7 253PTE at 2026-03-08. The Core 7 253PTE has a launch MSRP of $384; the N355 has no recorded launch MSRP. Neither processor has an unlocked multiplier.

Head-to-Head Benchmarks

The Core 7 253PTE wins every recorded benchmark, and the margins are consistently large. The most extreme gap appears in Cinebench R23 multi-core, where the Core 7 253PTE scores 21276 against the N355’s 5262, a 75.3% deficit for the smaller chip. This test reflects sustained multi-threaded load, and the data suggests the N355 cannot approach the Core 7 253PTE’s throughput in rendering or compilation tasks.

Single-thread performance also favors the Core 7 253PTE heavily. Cinebench R23 single-core shows 3003 versus 1039, a 65.4% gap. Cinebench R20 single-core tells a similar story: 1261 against 509, a 59.6% difference. The N355’s higher base clock of 1.90 GHz does not compensate for the Core 7 253PTE’s 5.40 GHz boost ceiling. Even in PassMark single-thread, where the N355 posts its best relative result, it trails 2153 to 3794, a 43.3% gap.

Integer math and floating-point math show the Core 7 253PTE’s advantage in compute-heavy operations. PassMark integer math scores 119552 for the Core 7 253PTE versus 33894 for the N355, a 71.6% difference. Floating-point math follows with 67209 to 22695, a 66.2% gap. Extended instructions, which measure SIMD and newer instruction set efficiency, show 17099 against 5968, a 65.1% difference. Data compression and encryption also skew strongly: compression 275828 to 117435 (57.4% gap), encryption 15500 to 8121 (47.6% gap). Prime number finding, a classic CPU stress test, gives 82 to 27, a 67.1% deficit.

The smallest margins still exceed 43%. PassMark random string sorting shows 28227 for the Core 7 253PTE against 14706 for the N355, a 47.9% gap. PassMark physics posts 1318 to 625, a 52.6% difference. The N355’s best relative showing is PassMark single-thread at 43.3%, but even that remains a decisive loss. Across all 17 tests, the Core 7 253PTE’s smallest winning margin is 43.3%, and its average winning margin is roughly 59%.

Where Each One Wins

The Core 7 253PTE dominates every measured category, but the data indicates specific use cases where its lead is most pronounced. Multi-threaded rendering is its strongest area, as shown by the 75.3% lead in Cinebench R23 multi-core. Integer-heavy workloads also favor it greatly, with a 71.6% advantage in PassMark integer math. Users running video encoding, 3D modeling, or large-scale data processing should expect the Core 7 253PTE to finish tasks in roughly one-quarter to one-third of the time required by the N355, based on the recorded score ratios.

The Core 7 253PTE also excels in memory-intensive scenarios due to its dual-channel 89.6 GB/s bandwidth and 33 MB L3 cache. The data compression benchmark, which relies heavily on cache and memory throughput, shows a 57.4% lead for the Core 7 253PTE. The N355’s single-channel 38.4 GB/s bus and 6 MB L3 cache represent a bottleneck that no clock speed adjustment can overcome.

The Core 3 N355’s only practical advantages come from its physical characteristics, not its benchmark results. Its 15 W TDP allows for passive or low-noise cooling solutions in compact mobile or embedded systems. The socket type, Intel BGA 1264, indicates a soldered design that suits small-factor motherboards. For workloads that are light, such as office productivity, web browsing, or basic media playback, the N355’s 68th percentile ranking shows it remains functional. However, the recorded data offers no scenario where the N355 beats the Core 7 253PTE in performance; its role is purely defined by power and form factor constraints. The Core 7 253PTE, with its 84th percentile ranking and near-parity with the Intel Core i7-13800H and Intel Core i9-12900HX, is the appropriate choice for any system where performance is the primary requirement.