Intel Core 7 253PE vs Intel Core Ultra 5 135UL Comparison

Head-to-Head Benchmarks

The Intel Core 7 253PE and Intel Core Ultra 5 135UL occupy different positions in the database, and the recorded data shows a decisive performance gap between them. The Core 7 253PE has a substantial set of benchmark results, while the Core Ultra 5 135UL has no recorded scores in the database. This absence of direct head-to-head measurements means the comparison relies on the Core 7 253PE's absolute scores and its percentile ranking.

The Core 7 253PE posts a Cinebench R23 multicore score of 24880 and a single-core score of 3512. In Cinebench R20, it reaches 10449 multicore and 1475 single-core. The R15 results show 2507 multicore and 354 single-core. These figures place the processor at the 87th percentile across all CPUs in the database.

PassMark results reinforce the multicore strength. The multithread score is 29271, with integer math at 114158 and floating-point math at 80870. Data compression reaches 339133, while data encryption scores 18385. Extended instructions deliver 21806, and random string sorting completes at 32777. Single-thread performance in PassMark is 3955. Physics processing scores 1845, and prime number finding scores 138.

The average benchmark score for the Core 7 253PE is 40557. Its nearest rivals show how tightly grouped this performance tier is. The Intel Core 5 223PE averages 40585, a delta of -0.1 percent. The Intel Core Ultra X7 368H averages 40518, a delta of 0.1 percent. The Intel Xeon 6357P averages 40630, a delta of -0.2 percent. The AMD Ryzen 9 7940H averages 40431, a delta of 0.3 percent. The Core 7 253PE sits within a 0.3 percent band of these four competitors, indicating that its aggregate score is essentially level with the surrounding field despite the individual benchmark variances.

The Core Ultra 5 135UL, by contrast, has an average benchmark score of 0 and no entries in the head-to-head table. Its percentile ranking is 50, which in the database indicates a mid-pack position among all recorded CPUs, but with no measured workload results, no direct numeric comparison can be made. The wins count is 0 for each part in the head-to-head section, which reflects the empty benchmark array for the Core Ultra 5 135UL rather than a tied result.

Architecture Differences

The two processors diverge at the architectural level in several measurable ways. The Core 7 253PE uses the Bartlett Lake codename and belongs to the Core 7 generation, built on a 10 nm process node. The Core Ultra 5 135UL uses the Meteor Lake architecture, with the Meteor Lake-PS codename, and is fabricated on a 7 nm node. Both are Intel parts, but the process difference indicates a newer fabrication technology for the Ultra part.

Core and thread counts differ significantly. The Core 7 253PE has 10 cores and 20 threads, giving it a 2:1 thread-to-core ratio. The Core Ultra 5 135UL has 12 cores but only 14 threads, which indicates a mix of full-threaded and single-threaded cores in its configuration. The Core Ultra has two additional physical cores but six fewer threads.

Cache layouts also differ. The Core 7 253PE has 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 33 MB of shared L3 cache. The Core Ultra 5 135UL has 112 KB of L1 per core, 2 MB of L2 per core, and 12 MB of shared L3. The Core 7 part therefore carries nearly three times the L3 capacity, while the Ultra part has larger per-core L1.

Clock speeds show a clear separation. The Core 7 253PE has a base clock of 2.50 GHz and a boost clock of 5.50 GHz. The Core Ultra 5 135UL has a base clock of 1.60 GHz and a boost clock of 4.40 GHz. The Core 7 part boosts 1.10 GHz higher and has a base clock 0.90 GHz higher.

The thermal design power differs by a wide margin. The Core 7 253PE is rated at 65 watts, while the Core Ultra 5 135UL is rated at 15 watts. This places the Ultra part in a much lower power envelope, consistent with its lower clock speeds and smaller L3 cache.

Memory support differs as well. The Core 7 253PE supports both DDR4 and DDR5, while the Core Ultra 5 135UL supports DDR5 only, with the database noting that support depends on the motherboard. Both use dual-channel memory buses, and both have a recorded memory bandwidth of 89.6 GB/s.

ECC memory is supported on the Core 7 253PE but not on the Core Ultra 5 135UL. PCIe connectivity also differs: the Core 7 part uses Gen 5 with 16 CPU lanes, while the Ultra part uses Gen 4 with 8 CPU lanes.

The integrated graphics are different. The Core 7 253PE carries UHD Graphics 730, while the Core Ultra 5 135UL carries Arc Xe-LPG 64EU.

Sockets are incompatible. The Core 7 253PE uses Intel Socket 1700, and the Core Ultra 5 135UL uses Intel Socket 1851.

FAQ

Q: Which processor has more cores?

A: The Intel Core Ultra 5 135UL has 12 cores, while the Intel Core 7 253PE has 10 cores.

Q: Which processor has more threads?

A: The Intel Core 7 253PE has 20 threads, while the Intel Core Ultra 5 135UL has 14 threads.

Q: What is the boost clock difference between the two?

A: The Intel Core 7 253PE boosts to 5.50 GHz, which is 1.10 GHz higher than the Intel Core Ultra 5 135UL's 4.40 GHz boost clock.

Q: Does the Intel Core Ultra 5 135UL support ECC memory?

A: No, the Core Ultra 5 135UL does not support ECC memory, whereas the Intel Core 7 253PE does.

Q: What is the L3 cache capacity on each processor?

A: The Intel Core 7 253PE has 33 MB of shared L3 cache, while the Intel Core Ultra 5 135UL has 12 MB of shared L3 cache.

Q: Are the sockets interchangeable between these two processors?

A: No, the Intel Core 7 253PE uses Intel Socket 1700, and the Intel Core Ultra 5 135UL uses Intel Socket 1851.

Specification Differences

| Field | Intel Core 7 253PE | Intel Core Ultra 5 135UL |

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

| Cores | 10 | 12 |

| Threads | 20 | 14 |

| Base Clock | 2.50 GHz | 1.60 GHz |

| Boost Clock | 5.50 GHz | 4.40 GHz |

| TDP | 65 W | 15 W |

| Socket | Intel Socket 1700 | Intel Socket 1851 |

| Codename | Bartlett Lake | Meteor Lake-PS |

| Generation | Core 7 (Bartlett Lake) | Ultra 5 (Meteor Lake-PS) |

| Process Node | 10 nm | 7 nm |

| L1 Cache | 80 KB (per core) | 112 KB (per core) |

| L3 Cache | 33 MB (shared) | 12 MB (shared) |

| Memory Support | DDR4, DDR5 | DDR5 (depends on motherboard) |

| ECC Memory | Supported | Not supported |

| PCIe | Gen 5, 16 Lanes (CPU only) | Gen 4, 8 Lanes (CPU only) |

| Integrated Graphics | UHD Graphics 730 | Arc Xe-LPG 64EU |

| Launch MSRP | $384 | $331 |

| Release Date | 2026-03-08 | 2024-04-07 |

| Part Number | SA4QE | SRN97 |

| Percentile vs All CPUs | 87 | 50 |

| Average Benchmark Score | 40557 | 0 |

The two parts share several specifications: both are Intel desktop processors, both are currently active in production, both have dual-channel memory buses, both have a memory bandwidth of 89.6 GB/s, both have 2 MB of L2 cache per core, and neither has an unlocked multiplier.

Where Each One Wins

The Intel Core 7 253PE wins decisively in measured performance categories. The recorded benchmark scores show a processor built for multithreaded throughput and high single-thread responsiveness. The 20 threads, 5.50 GHz boost clock, and 33 MB of L3 cache support workloads that scale across many concurrent tasks. The 87th percentile ranking across all CPUs in the database places it well above the median.

The Core 7 253PE also wins on I/O capability. Its Gen 5 PCIe implementation with 16 CPU lanes provides a wider and faster connection path than the Core Ultra 5 135UL's Gen 4 with 8 lanes. ECC memory support gives it a reliability advantage for data-sensitive applications. Its support for both DDR4 and DDR5 memory broadens platform compatibility.

The Intel Core Ultra 5 135UL wins on power efficiency and core count. Its 15 watt TDP is a fraction of the Core 7 253PE's 65 watt rating. The 12 cores exceed the Core 7 part's 10 cores, though the thread count is lower at 14 versus 20. The 7 nm process node represents a denser fabrication technology than the 10 nm node used by the Core 7 253PE.

For workloads that prioritize raw compute throughput, the Core 7 253PE is the clear choice based on data. The Cinebench R23 multicore score of 24880, PassMark multithread score of 29271, and data compression score of 339133 all indicate strong parallel processing capability. The single-core Cinebench R23 score of 3512 and PassMark single-thread score of 3955 show that lightly threaded tasks also benefit from the higher boost clock.

For deployments that prioritize low power draw, the Core Ultra 5 135UL has the advantage. The 15 watt TDP allows for compact thermal solutions and reduced energy consumption. The Arc Xe-LPG 64EU integrated graphics also outclass the UHD Graphics 730 in the Core 7 part, suggesting a stronger on-chip visual output capability.

The absence of benchmark scores for the Core Ultra 5 135UL means the database cannot quantify its performance headroom. The 50th percentile ranking indicates a median position, but with no measured workloads, the practical performance envelope remains undefined. The Core 7 253PE, by contrast, has a full benchmark suite and a tightly clustered set of nearest rivals, all within 0.3 percent of its average score of 40557.

The use-case split is therefore straightforward. The Core 7 253PE serves performance-oriented desktop builds where thread count, clock speed, cache capacity, and PCIe bandwidth matter most. The Core Ultra 5 135UL serves power-constrained desktop builds where the 15 watt envelope, 12 cores, and newer process node take priority. The socket difference ensures these are separate platform decisions, not interchangeable options within a single motherboard design.