Intel Core 7 253PE vs Intel Core Ultra 3 205 Comparison

Intel Core 7 253PE and Intel Core Ultra 3 205 are two desktop processors from different Intel generations and process nodes. The benchmark data shows a clear split: the Core 7 253PE dominates multi-threaded workloads and raw integer performance, while the Core Ultra 3 205 counters with better single-thread scores and specific instruction-heavy tasks. The Core 7 253PE wins 11 of the 17 recorded head-to-head tests, while the Core Ultra 3 205 takes 6.

Where Each One Wins

The Core 7 253PE is the clear winner for heavily threaded workloads. It leads in every Cinebench multi-core test, with margins of 25.3 percent across R15, R20, and R23. It also wins PassMark multithread by 11.9 percent, integer math by 108.5 percent, and data compression by 30.1 percent. For content creation, rendering, or any task that scales across cores, the data points firmly to the Core 7 253PE.

The Core Ultra 3 205 takes the single-thread crown. It wins PassMark single-thread by 13.6 percent, scoring 4575 against 3955. It also wins PassMark physics by 8.5 percent, extended instructions by 3.4 percent, data encryption by 2.1 percent, and prime number finding by a massive 48.5 percent. These wins indicate the Core Ultra 3 205 has an advantage in latency-sensitive and lightly threaded tasks, plus specific workloads like encryption and prime number calculations.

The overall benchmark averages reflect this split. The Core 7 253PE has an average benchmark score of 40557, placing it in the 87th percentile of all CPUs. The Core Ultra 3 205 averages 31473, sitting in the 82nd percentile. The Core 7 253PE's nearest rivals include the Intel Core 5 223PE at 40585 (0.1 percent ahead) and the AMD Ryzen 9 7940H at 40431 (0.3 percent behind). The Core Ultra 3 205 sits near the Intel Core 7 240H at 31483 and the Intel Core Ultra 5 225H at 31508, both within 0.1 percent.

Architecture Differences

The two processors come from different Intel design families. The Core 7 253PE uses the Bartlett Lake codename with a 10 nm process node fabricated by Intel. It has 10 cores and 20 threads, with a base clock of 2.50 GHz and a boost clock of 5.50 GHz. The Core Ultra 3 205 uses the Arrow Lake-S codename with a 3 nm process node from TSMC. It has 8 cores and 8 threads, with a base clock of 3.80 GHz and a boost clock of 4.90 GHz.

The Core 7 253PE features a larger L3 cache at 33 MB shared, compared to 15 MB shared on the Core Ultra 3 205. Per-core L1 and L2 caches also differ: the Core 7 253PE has 80 KB L1 and 2 MB L2 per core, while the Core Ultra 3 205 has 192 KB L1 and 3 MB L2 per core. The Core Ultra 3 205 has a larger die at 243 mm² with 17,800 million transistors, while the Core 7 253PE does not have transistor or die size data recorded.

Memory support differs significantly. The Core 7 253PE supports both DDR4 and DDR5 with dual-channel memory, achieving 89.6 GB/s bandwidth. The Core Ultra 3 205 supports only DDR5, also dual-channel, but at a higher 102.4 GB/s. The Core 7 253PE supports ECC memory, while the Core Ultra 3 205 does not. PCIe lanes also differ: the Core 7 253PE provides Gen 5 with 16 lanes, while the Core Ultra 3 205 provides Gen 5 with 20 lanes.

Integrated graphics differ as well. The Core 7 253PE uses UHD Graphics 730, while the Core Ultra 3 205 uses Arc Xe-LPG Graphics 16EU. The Core 7 253PE uses Intel Socket 1700, while the Core Ultra 3 205 requires Intel Socket 1851. The Core 7 253PE has a TDP of 65 W, and the Core Ultra 3 205 has a TDP of 57 W. Neither processor has an unlocked multiplier.

Head-to-Head Benchmarks

The Cinebench suite shows a consistent pattern. In Cinebench R15 multi-core, the Core 7 253PE scores 2507 against 2001, a 25.3 percent lead. Single-core R15 shows 354 against 282, also a 25.5 percent lead. Cinebench R20 multi-core repeats the 25.3 percent margin with 10449 against 8339. R20 single-core shows 1475 against 1177, again 25.3 percent. Cinebench R23 multi-core delivers 24880 against 19856, another 25.3 percent, while R23 single-core gives 3512 against 2803.

PassMark results are more varied. The Core 7 253PE wins integer math by a huge margin: 114158 against 54755, a 108.5 percent difference. Data compression also favors the Core 7 253PE at 339133 against 260651, a 30.1 percent lead. Floating point math goes to the Core 7 253PE with 80870 against 75136, a 7.6 percent edge. Multithread shows 29271 against 26167, an 11.9 percent win. Random string sorting goes to the Core 7 253PE at 32777 against 31083, a 5.4 percent margin.

The Core Ultra 3 205 counters in several PassMark tests. Single-thread shows 4575 against 3955, a 13.6 percent win. Prime number finding gives 268 against 138, a 48.5 percent margin. Physics shows 2016 against 1845, an 8.5 percent win. Extended instructions deliver 22578 against 21806, a 3.4 percent edge. Data encryption is close, with 18772 against 18385, a 2.1 percent win for the Core Ultra 3 205.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core 7 253PE has 10 cores and 20 threads. The Intel Core Ultra 3 205 has 8 cores and 8 threads.

Q: What is the boost clock difference?

A: The Core 7 253PE boosts to 5.50 GHz, while the Core Ultra 3 205 boosts to 4.90 GHz. The Core Ultra 3 205 has a higher base clock at 3.80 GHz versus 2.50 GHz.

Q: Which processor has a larger L3 cache?

A: The Core 7 253PE has 33 MB shared L3 cache. The Core Ultra 3 205 has 15 MB shared L3 cache.

Q: Does either processor support ECC memory?

A: The Core 7 253PE supports ECC memory. The Core Ultra 3 205 does not support ECC memory.

Q: Which processor has a higher memory bandwidth?

A: The Core Ultra 3 205 has 102.4 GB/s memory bandwidth. The Core 7 253PE has 89.6 GB/s memory bandwidth.

Q: Which processor wins in PassMark single-thread?

A: The Core Ultra 3 205 wins PassMark single-thread with a score of 4575 against 3955, a 13.6 percent advantage.

The Verdict

The data indicates two distinct purchasing scenarios. For multi-threaded productivity, rendering, and compression workloads, the Core 7 253PE is the stronger choice. It leads by 25.3 percent in all Cinebench multi-core tests and by 30.1 percent in data compression. Its 20 threads against 8 threads provide a substantial advantage in parallel tasks, and the 108.5 percent integer math lead confirms this.

For single-thread responsiveness, encryption, physics simulation, and prime number workloads, the Core Ultra 3 205 is superior. Its 13.6 percent single-thread lead and 48.5 percent prime number advantage show a faster per-core execution. The higher base clock of 3.80 GHz and the 3 nm process node from TSMC contribute to this efficiency.

The Core 7 253PE also holds a higher overall percentile at 87 versus 82, and its average benchmark score of 40557 is well above the Core Ultra 3 205's 31473. The Core Ultra 3 205 does win 6 of 17 head-to-head tests, but those wins are concentrated in specific lighter workloads. The Core 7 253PE wins 11 tests, including all multi-core and most math-heavy benchmarks.

Users who need maximum multi-threaded throughput should choose the Core 7 253PE. Users who prioritize single-thread speed, power efficiency at 57 W TDP, and specific instruction-heavy tasks should choose the Core Ultra 3 205. The socket difference also matters: the Core 7 253PE uses Socket 1700, while the Core Ultra 3 205 uses Socket 1851, so motherboard compatibility will drive the decision in many cases.

Specification Differences

| Specification | Intel Core 7 253PE | Intel Core Ultra 3 205 |

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

| Cores | 10 | 8 |

| Threads | 20 | 8 |

| Base Clock | 2.50 GHz | 3.80 GHz |

| Boost Clock | 5.50 GHz | 4.90 GHz |

| TDP | 65 W | 57 W |

| Socket | Intel Socket 1700 | Intel Socket 1851 |

| Codename | Bartlett Lake | Arrow Lake-S |

| Process Node | 10 nm | 3 nm |

| Foundry | Intel | TSMC |

| 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) | 15 MB (shared) |

| Memory Support | DDR4, DDR5 | DDR5 |

| Memory Bandwidth | 89.6 GB/s | 102.4 GB/s |

| ECC Memory | Yes | No |

| PCIe | Gen 5, 16 Lanes | Gen 5, 20 Lanes |

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

| Transistors | Not recorded | 17,800 million |

| Die Size | Not recorded | 243 mm² |

| Launch MSRP | $384 | $140 |

| Part Number | SA4QE | SRVFC |

| Release Date | 2026-03-08 | 2025-07-31 |