Intel Core 7 253PE vs Intel Core Ultra 7 265H Comparison

The Intel Core Ultra 7 265H and the Intel Core 7 253PE land within a single percentile point of each other in the database rankings, at 88 and 87 percent versus all recorded CPUs, yet they arrive there by entirely different routes. One is a mobile Arrow Lake-H part built on TSMC's 3 nm process, the other a desktop Bartlett Lake chip on Intel's 10 nm node. Across seventeen head-to-head benchmark results, the Ultra 7 265H wins twelve and the Core 7 253PE wins five, and the split reveals a clear pattern: the mobile chip dominates sustained and compute-heavy workloads, while the desktop part occasionally strikes back in single-core tests and integer-bound tasks.

Head-to-Head Benchmarks

The largest win on the entire board belongs to the Ultra 7 265H. In PassMark Find Prime Numbers it scores 335 against 138, a 142.8 percent gap that reflects how decisively its throughput-oriented design outmuscles the smaller desktop chip in integer-heavy prime searching. Data encryption tells a similar story: 26005 versus 18385, a 41.4 percent lead. Physics, a workload common in game-adjacent simulations, goes to the 265H by 35.3 percent (2497 against 1845), and floating point math by 34.9 percent (109123 against 80870).

The Cinebench multi-core results are more nuanced. In R15 the 265H leads 2989 to 2507, a 19.2 percent advantage, and in R20 it extends that to 16.1 percent at 12131 versus 10449. Then R23 flips the picture entirely: the 253PE wins 24880 to 19940, a 19.9 percent reversal. That inversion across Cinebench generations is the single most interesting data point in this matchup, and it suggests the two chips respond very differently to how the newer rendering test distributes its threads. The 265H fields 16 cores and 16 threads, while the 253PE runs 10 cores and 20 threads, so the hyperthreaded desktop part appears to gain more as the workload scales.

Single-core results are just as split. The 253PE wins R15 single-core by 13.3 percent (354 versus 307) and crushes R23 single-core by 40.8 percent (3512 versus 2080), consistent with its higher 5.50 GHz boost clock against the 265H's 5.30 GHz. But R20 single-core goes the other way, 1712 to 1475 in favor of the 265H, a 16.1 percent lead. PassMark single thread also favors the 265H at 4334 versus 3955, a 9.6 percent edge. The database shows no clean single-core winner; it depends entirely on which test you weight.

The 253PE's remaining wins sit in integer-adjacent territory. Integer math goes its way by 25.1 percent, 114158 to 85479. Data compression is nearly a dead heat, 339133 to 334711, a 1.3 percent edge for the desktop chip. Everywhere else the 265H pulls ahead: extended instructions by 22.9 percent (26805 versus 21806), random string sorting by 24.3 percent (40742 versus 32777), and overall PassMark multithread by 16.2 percent (34027 versus 29271).

Averaged across all tests, the 265H scores 41621 and the 253PE scores 40557. Both sit among tightly clustered rivals: the 265H is within 0.1 percent of the Intel Core 7 251TE (41650) and the Intel Core i7-14650HX (41576), and within 0.4 percent of the Intel Core i7-12850HX (41779). The 253PE's nearest competitors include the Intel Core 5 223PE (40585, a 0.1 percent gap), the Intel Core Ultra X7 368H (40518, 0.1 percent), the Intel Xeon 6357P (40630, 0.2 percent), and the AMD Ryzen 9 7940H (40431, 0.3 percent).

FAQ

Q: Which CPU is faster overall?

A: The Intel Core Ultra 7 265H. It wins 12 of 17 head-to-head benchmarks and posts a higher average score, 41621 versus 40557, placing it in the 88th percentile against all CPUs in the database versus the 253PE's 87th percentile.

Q: Which CPU is better for single-threaded work?

A: It depends on the test. The 253PE wins Cinebench R23 single-core by 40.8 percent (3512 versus 2080) and R15 single-core by 13.3 percent, but the 265H wins R20 single-core by 16.1 percent and PassMark single thread by 9.6 percent (4334 versus 3955).

Q: Which CPU wins in Cinebench R23 multi-core?

A: The 253PE, despite having fewer cores. It scores 24880 against the 265H's 19940, a 19.9 percent lead, likely aided by its 20 threads versus the 265H's 16.

Q: Do these CPUs support ECC memory?

A: Yes, both list ECC memory support in the database.

Q: Which CPU has higher memory bandwidth?

A: The 265H, at 102.4 GB/s versus 89.6 GB/s for the 253PE, on a dual-channel bus in both cases.

Q: Can either CPU be overclocked?

A: No. Both have a locked multiplier according to the recorded specifications.

Architecture Differences

These chips could hardly be more different under the hood. The Ultra 7 265H is an Arrow Lake-H mobile processor manufactured by TSMC on a 3 nm process node, part of the Core Ultra Series 2 family. The Core 7 253PE is a Bartlett Lake desktop processor built by Intel on a 10 nm node. The foundry split is notable: this pairing puts TSMC's leading-edge node against an in-house Intel process.

Core topology diverges sharply. The 265H has 16 cores and 16 threads, meaning no hyperthreading, with each core carrying a large 192 KB of L1 cache and 3 MB of L2 cache, plus 24 MB of shared L3. The 253PE runs 10 cores and 20 threads, with 80 KB of L1 per core, 2 MB of L2 per core, and a bigger 33 MB shared L3 pool. The 265H compensates for its smaller L3 with far more cache at the per-core level, which helps explain its strength in compute-bound PassMark suites.

Clock behavior also differs. The 265H starts at a 2.20 GHz base clock and boosts to 5.30 GHz; the 253PE starts higher at 2.50 GHz and boosts higher at 5.50 GHz. Despite that, the 265H's 28 W TDP is dramatically lower than the 253PE's 65 W, a consequence of the mobile chip's advanced node and efficiency-focused design.

Platform support varies in each direction. The 265H offers DDR5 and LPDDR5X support with 102.4 GB/s of bandwidth and PCIe Gen 5 with 8 CPU lanes. The 253PE supports both DDR4 and DDR5, giving it flexibility for older memory, with 89.6 GB/s of bandwidth but twice the PCIe lanes, 16 Gen 5 lanes from the CPU. Integrated graphics are no contest: the 265H carries Arc Graphics 140T, while the 253PE ships with UHD Graphics 730. The sockets are naturally incompatible, BGA 2049 for the soldered mobile chip and Socket 1700 for the desktop part. Both are active products; the 265H was released on January 12, 2025, and the 253PE on March 8, 2026, with a launch MSRP of $384.

The Verdict

The data points to the Core Ultra 7 265H as the stronger all-around performer. Twelve wins from seventeen tests, a higher average benchmark score, a higher percentile ranking, and commanding leads in encryption, physics, floating point, and prime number computation make it the clear choice for compute-heavy workloads. Its 28 W TDP and mobile BGA packaging suit it to laptops and compact systems where efficiency matters, and its 102.4 GB/s memory bandwidth and Arc Graphics 140T integrated GPU strengthen that profile.

The Core 7 253PE earns its keep elsewhere. If your workload looks like Cinebench R23, either single-core or multi-core, the desktop chip wins both by wide margins, 40.8 percent single-core and 19.9 percent multi-core. Its 25.1 percent integer math win and slight compression edge make it relevant for integer-bound and lightly threaded everyday tasks. It is also the only one of the two with DDR4 support, double the PCIe Gen 5 lanes, a Socket 1700 upgrade path, and an unlocked... rather, it trades those platform advantages while remaining multiplier-locked like its rival. Buyers building a standard desktop around those capabilities will find the 253PE a capable fit.

In short: the 265H for sustained multi-workload throughput and efficiency, the 253PE for R23-class rendering and integer-heavy desktop duty.

Specification Differences

| Field | Intel Core Ultra 7 265H | Intel Core 7 253PE |

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

| Market segment | Mobile | Desktop |

| Architecture | Arrow Lake | (Bartlett Lake) |

| Codename | Arrow Lake-H | Bartlett Lake |

| Series | Core Ultra Series 2 | null |

| Process node | 3 nm | 10 nm |

| Foundry | TSMC | Intel |

| Cores | 16 | 10 |

| Threads | 16 | 20 |

| Base clock | 2.20 GHz | 2.50 GHz |

| Boost clock | 5.30 GHz | 5.50 GHz |

| TDP | 28 W | 65 W |

| Socket | Intel BGA 2049 | Intel Socket 1700 |

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

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

| L3 cache | 24 MB (shared) | 33 MB (shared) |

| Memory support | DDR5, LPDDR5X | DDR4, DDR5 |

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

| PCIe | Gen 5, 8 lanes (CPU only) | Gen 5, 16 lanes (CPU only) |

| Integrated graphics | Arc Graphics 140T | UHD Graphics 730 |

| Release date | January 12, 2025 | March 8, 2026 |

| Launch MSRP | Not listed | $384 |

| Part number | SRQAQ | SA4QE |