Intel Core 5 315 vs Intel Core Ultra 5 135HL Comparison

FAQ

Q: How do the core counts differ between the Intel Core 5 315 and the Intel Core Ultra 5 135HL?

A: The Intel Core 5 315 has 6 cores and 6 threads, while the Intel Core Ultra 5 135HL has 14 cores and 18 threads. This gives the Ultra 5 a substantial advantage in multi-threaded workloads.

Q: What are the base and boost clock speeds for each processor?

A: The Intel Core 5 315 has a base clock of 1.50 GHz and a boost clock of 4.40 GHz. The Intel Core Ultra 5 135HL has a base clock of 1.70 GHz and a boost clock of 4.60 GHz, making it slightly faster in both metrics.

Q: Which processor has a higher TDP?

A: The Intel Core Ultra 5 135HL has a TDP of 45 watts, which is three times higher than the Intel Core 5 315's TDP of 15 watts. This indicates the Ultra 5 is designed for higher sustained performance at the cost of greater power consumption.

Q: What memory bandwidth does each processor support?

A: The Intel Core 5 315 supports single-channel memory with a bandwidth of 59.7 GB/s. The Intel Core Ultra 5 135HL supports dual-channel memory with a bandwidth of 89.6 GB/s, which is roughly 50% higher.

Q: Do both processors use the same socket?

A: No. The Intel Core 5 315 uses Intel BGA 1516, while the Intel Core Ultra 5 135HL uses Intel Socket 1851. These are not interchangeable.

Q: Which processor has a higher percentile ranking among all CPUs?

A: The Intel Core 5 315 sits at the 72nd percentile, while the Intel Core Ultra 5 135HL sits at the 50th percentile. The Core 5 315 ranks higher in overall performance distribution, though its benchmark suite is more complete.

Architecture Differences

The two processors come from different architectural lineages and process nodes. The Intel Core 5 315 is built on a 3 nm process node under the Wildcat Lake codename, while the Intel Core Ultra 5 135HL uses a 7 nm process node with the Meteor Lake architecture, specifically the Meteor Lake-PS variant. Both are fabricated by Intel, but the difference in process node indicates a significant generational gap in manufacturing technology.

The Core 5 315 features 6 cores and 6 threads with no hyper-threading, while the Core Ultra 5 135HL features 14 cores and 18 threads. The thread count difference of 12 threads is substantial and directly impacts parallel workload performance. The Core Ultra 5's architecture includes a mix of performance and efficiency cores, which is typical of Meteor Lake designs, whereas the Core 5 315 appears to use a simpler uniform core configuration.

Cache hierarchies differ notably. The Core 5 315 has a 192 KB L1 cache, 2.5 MB L2 cache, and 6 MB of shared L3 cache. The Core Ultra 5 135HL lists L1 as 112 KB per core, L2 as 2 MB per core, and 18 MB of shared L3 cache. The per-core L2 design on the Ultra 5 means total L2 capacity scales with core count, whereas the Core 5 315 has a fixed total L2 allocation.

Memory support also separates the two. The Core 5 315 supports DDR5 and LPDDR5X with a single-channel memory bus, while the Core Ultra 5 135HL supports DDR5 (depending on motherboard) with a dual-channel memory bus. The dual-channel configuration provides a theoretical memory bandwidth of 89.6 GB/s versus 59.7 GB/s for the single-channel Core 5 315.

Integrated graphics differ as well. The Core 5 315 uses Intel Xe3 Graphics with 2 Xe cores, while the Core Ultra 5 135HL uses Arc Xe-LPG with 128 execution units. The Ultra 5's graphics solution is considerably more robust for integrated graphics tasks.

PCIe connectivity is similar but not identical: both use Gen 4, but the Core 5 315 provides 6 CPU-only lanes while the Core Ultra 5 135HL provides 8 CPU-only lanes.

Head-to-Head Benchmarks

Direct head-to-head benchmark data between the Intel Core 5 315 and the Intel Core Ultra 5 135HL is not available in the recorded measurements. The database contains a complete benchmark suite for the Core 5 315, including Cinebench R15, R20, and R23 scores, as well as PassMark tests across compression, encryption, extended instructions, prime number finding, floating point math, integer math, multithread, physics, random string sorting, and single-thread performance.

The Core 5 315's Cinebench R23 scores show 12,981 in multicore and 1,832 in single-core. In Cinebench R20, it scores 5,452 multicore and 769 single-core. Cinebench R15 results are 1,308 multicore and 184 single-core. These numbers indicate a strong single-core performer relative to its core count.

PassMark results for the Core 5 315 include a multithread score of 15,272, a single-thread score of 4,021, floating point math at 42,441, and integer math at 31,690. Data compression scores 146,143, data encryption scores 11,119, and extended instructions score 13,143. Physics tests score 1,163, random string sorting scores 17,551, and find prime numbers scores 112.

The Core Ultra 5 135HL has no benchmark entries in the database, and no head-to-head comparison rows exist. Consequently, the wins tally shows zero for both processors. The absence of benchmark data for the Ultra 5 means direct numerical comparisons cannot be drawn from the recorded measurements.

What can be inferred from the available data is the Core 5 315's position relative to other CPUs. Its nearest rivals include the AMD EPYC 9274F with an average score of 18,189 (0% delta), the Intel Core i7-9700 at 18,180 (0% delta), the Intel Core i7-1365U at 18,177 (0.1% delta), and the AMD Ryzen 7 5700U at 18,176 (0.1% delta). The Core 5 315's average benchmark score is 18,188, placing it statistically even with these rivals.

Specification Differences

| Specification | Intel Core 5 315 | Intel Core Ultra 5 135HL |

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

| Cores | 6 | 14 |

| Threads | 6 | 18 |

| Base Clock | 1.50 GHz | 1.70 GHz |

| Boost Clock | 4.40 GHz | 4.60 GHz |

| TDP | 15 W | 45 W |

| Socket | Intel BGA 1516 | Intel Socket 1851 |

| Codename | Wildcat Lake | Meteor Lake-PS |

| Process Node | 3 nm | 7 nm |

| L1 Cache | 192 KB | 112 KB (per core) |

| L2 Cache | 2.5 MB | 2 MB (per core) |

| L3 Cache | 6 MB (shared) | 18 MB (shared) |

| Memory Support | DDR5, LPDDR5X | DDR5 (depends on motherboard) |

| Memory Bus | Single-channel | Dual-channel |

| Memory Bandwidth | 59.7 GB/s | 89.6 GB/s |

| PCIe | Gen 4, 6 Lanes (CPU only) | Gen 4, 8 Lanes (CPU only) |

| Integrated Graphics | Intel Xe3 Graphics (2 Xe) | Arc Xe-LPG 128EU |

| Market Segment | Mobile | Desktop |

| Release Date | 2026-04-15 | 2024-04-07 |

| Launch MSRP | $340 | Not available |

| Part Number | SAEFC | SRN33 |

Both processors are actively in production, have locked multipliers, and do not support ECC memory. Neither has a listed transistor count or die size in the database.

Where Each One Wins

Based on the recorded data, the Intel Core 5 315 has a clear advantage in manufacturing efficiency. Its 3 nm process node represents a newer fabrication technology compared to the 7 nm node of the Core Ultra 5 135HL. This translates directly into the TDP difference: 15 watts versus 45 watts. For workloads that prioritize power efficiency and battery life, the Core 5 315 is the stronger candidate, especially given its mobile market segment designation.

The Core 5 315 also holds the higher percentile ranking at 72 versus 50 for the Ultra 5. This suggests that despite its lower core count, its overall performance profile places it above more CPUs in the database distribution. Its average benchmark score of 18,188 confirms competitive standing against established desktop and mobile processors.

The Core Ultra 5 135HL wins on raw multi-threaded capability by specification. With 14 cores and 18 threads versus 6 cores and 6 threads, it offers more than double the parallel execution resources. The 18 MB shared L3 cache versus 6 MB gives it a larger working set for data-intensive applications. The dual-channel memory bus with 89.6 GB/s bandwidth versus 59.7 GB/s provides higher memory throughput for memory-bound workloads.

The Ultra 5 also has a higher boost clock at 4.60 GHz versus 4.40 GHz, and a higher base clock at 1.70 GHz versus 1.50 GHz. Its integrated graphics solution, Arc Xe-LPG with 128 execution units, is far more capable for GPU-accelerated tasks than the Xe3 Graphics with 2 Xe cores on the Core 5 315.

For single-threaded responsiveness, the Core 5 315 demonstrates strong results in its PassMark single-thread score of 4,021, though direct comparison to the Ultra 5 is not possible without its benchmark data. The Core 5 315's Cinebench R23 single-core score of 1,832 indicates solid per-core performance that benefits from the newer process node.

The use-case split is straightforward. The Core 5 315 suits power-constrained mobile environments, single-threaded applications, and tasks where the 3 nm node's efficiency matters. The Core Ultra 5 135HL suits desktop workloads that scale with core count, memory bandwidth, and integrated GPU performance. The Ultra 5's higher TDP and desktop market segment confirm its design for sustained multi-core output, while the Core 5 315's mobile segment and lower power draw point to portability and efficiency as primary goals.

The Core 5 315's launch MSRP of $340 provides a reference point for its positioning, while the Ultra 5 has no recorded launch price. The two-week release date gap in the database shows the Core 5 315 as the newer part by roughly two years, which aligns with its more advanced process node and higher percentile ranking.