Intel Core 7 253PE vs Intel Core Ultra 5 225 Comparison

The Verdict

The data separates these two desktop CPUs into distinct roles. The Intel Core 7 253PE is a 10-core, 20-thread processor built for heavily parallel workloads. It wins decisively in integer math and Cinebench R20 multi-core, where its extra threads and high boost clock carry it far ahead. The Intel Core Ultra 5 225, also 10 cores but only 10 threads, counters with a newer 3 nm process and stronger single-thread performance. It wins 13 of the 17 recorded head-to-head tests, including all Cinebench R15 and R23 runs, plus the majority of PassMark workload tests. A builder with mixed productivity needs should favor the Ultra 5 225 for its balanced, modern platform. A user running long, multi-threaded compute jobs that scale with threads should look at the Core 7 253PE, despite its older node.

Architecture Differences

The two processors come from different Intel design generations. The Core 7 253PE uses the Bartlett Lake architecture on a 10 nm node, built in-house by Intel. It supports both DDR4 and DDR5 memory, which gives it flexibility with older motherboards. The Core Ultra 5 225 uses the Arrow Lake-S architecture on a 3 nm process fabricated by TSMC. That node advantage translates into a smaller die at 243 mm² and a transistor count of 17,800 million, figures not matched by the older part.

The core counts match at 10, but threading differs sharply. The Core 7 253PE runs 20 threads, while the Core Ultra 5 225 runs only 10, a 2x difference in thread count that explains many multi-thread benchmark gaps. The Ultra 5 225 compensates with a higher base clock of 3.30 GHz, though its boost clock of 4.90 GHz trails the Core 7's 5.50 GHz. Both have a 65 TDP and locked multipliers. The Core 7 uses a 33 MB shared L3 cache versus 20 MB on the Ultra 5, but the Ultra 5 has larger per-core L1 and L2 caches: 192 KB and 3 MB per core, compared to 80 KB and 2 MB per core on the Core 7.

Memory bandwidth favors the Ultra 5, which reaches 102.4 GB/s over dual-channel DDR5, while the Core 7 tops out at 89.6 GB/s over the same dual-channel layout. The Ultra 5 does not support ECC memory; the Core 7 does. PCIe lane counts differ: the Core 7 provides Gen 5 with 16 lanes from the CPU, while the Ultra 5 provides Gen 5 with 20 lanes. Integrated graphics also differ: the Core 7 uses UHD Graphics 730, the Ultra 5 uses Arc Xe-LPG Graphics 16EU. Sockets are incompatible, with the Core 7 on Intel Socket 1700 and the Ultra 5 on Intel Socket 1851.

Head-to-Head Benchmarks

The most striking result is Cinebench R20 multi-core. The Core 7 253PE scores 10449 against 6317 for the Ultra 5, a 65.4% advantage. Single-core R20 shows the same gap pattern: 1475 versus 891, a 65.5% lead for the Core 7. That R20 result is an outlier compared to R15 and R23, where the Ultra 5 wins by roughly 3.9% each time. In R15 multi-core, the Ultra 5 scores 2609 versus 2507, and in R15 single-core it scores 368 versus 354. The R23 results repeat that trend: 25891 versus 24880 multi-core, and 3655 versus 3512 single-core. The R20 anomaly suggests the Core 7's thread count produces a larger advantage under that specific workload version.

PassMark tests split cleanly by workload type. The Core 7 wins integer math by a huge margin: 114158 versus 65345, a 74.7% delta. It also leads in data compression, 339133 versus 302811, a 12% edge. Those are the Core 7's two strongest PassMark showings. The Ultra 5 wins everything else in the PassMark suite. Its largest lead is in prime number finding, 358 versus 138, a 61.5% gap. It also leads in extended instructions by 19.7% (27162 versus 21806), physics by 21.2% (2342 versus 1845), and data encryption by 17.5% (22285 versus 18385). The Ultra 5 wins floating point math, 92038 versus 80870, a 12.1% edge. Random string sorting goes to the Ultra 5, 36590 versus 32777, a 10.4% lead. Single-thread PassMark also favors the Ultra 5, 4412 versus 3955, another 10.4% gap. The multithread PassMark score goes to the Ultra 5, 30459 versus 29271, a 3.9% win.

Overall benchmark averages reflect these splits. The Core 7 has a higher average benchmark score of 40557 against 36938 for the Ultra 5, and it sits at the 87th percentile of all CPUs versus the 85th for the Ultra 5. The Core 7's nearest rival by average score is the Intel Core 5 223PE, which is 0.1% behind. The Ultra 5's nearest rival is the AMD Ryzen 5 5600F, which scores essentially identically at a 0% delta.

Specification Differences

| Specification | Intel Core 7 253PE | Intel Core Ultra 5 225 |

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

| Cores | 10 | 10 |

| Threads | 20 | 10 |

| Base clock | 2.50 GHz | 3.30 GHz |

| Boost clock | 5.50 GHz | 4.90 GHz |

| Process node | 10 nm | 3 nm |

| Foundry | Intel | TSMC |

| Transistors | Not listed | 17,800 million |

| Die size | Not listed | 243 mm² |

| L1 cache | 80 KB (per core) | 192 KB (per core) |

| L2 cache | 2 MB (per core) | 3 MB (per core) |

| L3 cache | 33 MB (shared) | 20 MB (shared) |

| Memory support | DDR4, DDR5 | DDR5 |

| Memory bandwidth | 89.6 GB/s | 102.4 GB/s |

| ECC memory | Yes | No |

| PCIe lanes (CPU) | Gen 5, 16 | Gen 5, 20 |

| Integrated graphics | UHD Graphics 730 | Arc Xe-LPG Graphics 16EU |

| Socket | Intel Socket 1700 | Intel Socket 1851 |

| Launch MSRP | $384 | $246 |

Release timing also differs: the Core 7 253PE launched on 2026-03-08, while the Ultra 5 225 launched on 2025-01-06. Both are active production parts in the desktop segment.

FAQ

Q: Which CPU has more threads?

A: The Intel Core 7 253PE has 20 threads, double the 10 threads of the Intel Core Ultra 5 225.

Q: Which CPU has the higher boost clock?

A: The Intel Core 7 253PE boosts to 5.50 GHz, while the Intel Core Ultra 5 225 boosts to 4.90 GHz.

Q: Which CPU supports ECC memory?

A: The Intel Core 7 253PE supports ECC memory. The Intel Core Ultra 5 225 does not.

Q: Which CPU has a larger L3 cache?

A: The Intel Core 7 253PE has 33 MB of shared L3 cache, compared to 20 MB on the Intel Core Ultra 5 225.

Q: Which CPU wins the most head-to-head benchmarks?

A: The Intel Core Ultra 5 225 wins 13 of the 17 head-to-head tests, including all Cinebench R15 and R23 runs and most PassMark workload tests.

Q: Which CPU has a higher average benchmark score?

A: The Intel Core 7 253PE has an average benchmark score of 40557, versus 36938 for the Intel Core Ultra 5 225. It also ranks higher at the 87th percentile versus the 85th.

Where Each One Wins

The Intel Core 7 253PE is the choice for integer-heavy and thread-scaled workloads. Its 74.7% lead in PassMark integer math and 65.4% lead in Cinebench R20 multi-core point to strong performance in computation that uses many threads. The 12% advantage in data compression also indicates file archiving tasks run faster. The larger 33 MB L3 cache and 20 threads give it an edge in workloads that repeatedly access large datasets. ECC memory support makes it suitable for systems where error correction is required. Its 5.50 GHz boost clock provides a raw clock advantage that helps in any workload that reaches that ceiling.

The Intel Core Ultra 5 225 wins the majority of tests, especially those that depend on single-thread efficiency. It leads in single-thread PassMark by 10.4%, in Cinebench R23 single-core by 3.9%, and in R15 single-core by 3.8%. Its 3 nm process and larger per-core caches contribute to that efficiency. The Ultra 5 also wins the more memory-sensitive tasks: data encryption by 17.5%, extended instructions by 19.7%, and floating point math by 12.1%. Its 20 PCIe Gen 5 lanes provide more expansion bandwidth than the Core 7's 16 lanes. The newer socket and platform support DDR5 only, but with higher memory bandwidth at 102.4 GB/s. The Ultra 5's integrated Arc Xe-LPG Graphics 16EU is a more modern iGPU than UHD Graphics 730.

For a desktop used primarily for scientific or financial computation, the Core 7 253PE's integer and thread advantage is significant. For a general-purpose machine handling daily productivity, media encoding, and light math, the Ultra 5 225's broader benchmark wins make it the more versatile part. The 13 versus 4 head-to-head win count favors the Ultra 5, but the Core 7's wins come with larger margins. A user who needs maximum multi-thread throughput in specific applications should weigh the Core 7's decisive R20 and integer math results. A user who wants consistent performance across a variety of tasks should take the Ultra 5's balanced profile.