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

Head-to-Head Benchmarks

The benchmark data shows a clear overall winner: the Intel Core Ultra 7 265T takes 16 of 17 head-to-head tests. Its average benchmark score of 47697 places it in the 90th percentile of all CPUs, while the Intel Core 7 253PE averages 40557, landing in the 87th percentile.

The most consistent gap appears in Cinebench tests. Across all six Cinebench R15, R20, and R23 runs, the Core Ultra 7 265T leads by exactly 21.2%. In Cinebench R23 multicore, the Ultra 7 scores 31558 versus 24880 for the Core 7. Single-core R23 shows a similar pattern: 4455 versus 3512. The R20 multicore result is 13254 against 10449, and R20 single-core is 1871 versus 1475. R15 multicore is 3180 versus 2507, with R15 single-core at 449 versus 354.

PassMark tests reveal where the Ultra 7 wins by its largest margins. The biggest gap is in find prime numbers, where the Ultra 7 scores 322 against 138, a 57.1% advantage. Data encryption shows a 38.1% lead: 29687 versus 18385. Floating point math is 37.7% ahead: 129817 versus 80870. Random string sorting favors the Ultra 7 by 26.2%, with 44400 versus 32777. Extended instructions show a 23.8% lead: 28609 versus 21806. Physics is 22.8% ahead at 2391 versus 1845. PassMark multithread shows 37084 versus 29271, a 21.1% edge. Data compression is closer at 8.4%: 370158 versus 339133. Single-thread performance is also an 8.8% gap: 4338 versus 3955.

The one test the Core 7 253PE wins is PassMark integer math. It scores 114158 versus 104943, an 8.8% advantage. This is the only category where the lower-core-count part outperforms the Ultra 7.

Where Each One Wins

The Intel Core Ultra 7 265T is the stronger choice for most compute-heavy workloads. Its consistent 21.2% lead across every Cinebench version, both single-core and multicore, indicates a broad advantage in rendering and CPU-bound productivity tasks. The large margins in floating point math and physics suggest it handles scientific computing and simulation workloads better. Data encryption and compression results make it the pick for file archiving and security-related tasks. The find prime numbers result, with its 57.1% gap, points to a major advantage in integer-heavy mathematical workloads.

The Intel Core 7 253PE has a narrower profile. Its only win is integer math, where it beats the Ultra 7 by 8.8%. That single result does not offset the 16-test deficit, but it does show the Core 7 holds its own in specific integer-heavy calculations. For workloads dominated by integer operations, the Core 7 is not far behind overall, and in this one metric it leads.

Architecture Differences

The two processors come from different design generations. The Intel Core 7 253PE uses Bartlett Lake silicon on Intel's 10 nm process, while the Intel Core Ultra 7 265T uses Arrow Lake-S architecture on a 3 nm TSMC node. The Ultra 7's transistor count is listed at 17,800 million on a 243 mm² die; the Core 7's transistor count and die size are not recorded in the database.

Core and thread counts differ significantly. The Core 7 has 10 cores and 20 threads. The Ultra 7 has 20 cores and 20 threads, meaning it relies on a different thread model: 20 cores with no hyperthreading versus 10 cores with hyperthreading. The Ultra 7's per-core L1 cache is 192 KB, its per-core L2 is 3 MB, and shared L3 is 30 MB. The Core 7 has 80 KB L1 per core, 2 MB L2 per core, and 33 MB shared L3. So the Ultra 7 has more cache per core, while the Core 7 has a slightly larger shared L3 pool.

Clock speeds favor the Core 7. It has a 2.50 GHz base clock and 5.50 GHz boost clock. The Ultra 7 runs at 1.50 GHz base and 5.30 GHz boost, despite winning every benchmark. The TDP figures are reversed in impact: the Core 7 draws 65 W, the Ultra 7 draws only 35 W. The Ultra 7 achieves its higher scores at lower power.

Memory support also differs. The Core 7 supports both DDR4 and DDR5, while the Ultra 7 supports DDR5 only. Both use dual-channel memory. The Ultra 7 has a higher memory bandwidth at 102.4 GB/s versus 89.6 GB/s for the Core 7. The Core 7 supports ECC memory; the Ultra 7 does not.

PCIe connectivity differs as well. The Core 7 provides Gen 5 with 16 lanes from the CPU. The Ultra 7 provides Gen 5 with 20 lanes from the CPU. Integrated graphics are different: the Core 7 uses UHD Graphics 730, the Ultra 7 uses Arc Xe-LPG Graphics 64EU.

Sockets are incompatible. The Core 7 uses Intel Socket 1700, the Ultra 7 uses Intel Socket 1851. The Core 7 launched on 2026-03-08, the Ultra 7 on 2025-01-06. Both have a launch MSRP of $384. Neither has an unlocked multiplier. The Core 7's part number is SA4QE; the Ultra 7's is SRQCS.

FAQ

Q: Which processor has a higher boost clock?

A: The Intel Core 7 253PE boosts to 5.50 GHz, while the Intel Core Ultra 7 265T boosts to 5.30 GHz.

Q: Does the Core Ultra 7 265T support ECC memory?

A: No. The database lists ECC memory support as false for the Ultra 7. The Core 7 253PE does support ECC memory.

Q: How much larger is the Core Ultra 7 265T's cache per core?

A: The Ultra 7 has 192 KB L1 per core and 3 MB L2 per core. The Core 7 has 80 KB L1 per core and 2 MB L2 per core. The shared L3 is 30 MB on the Ultra 7 and 33 MB on the Core 7.

Q: Which processor draws less power?

A: The Core Ultra 7 265T has a 35 W TDP, while the Core 7 253PE has a 65 W TDP.

Q: What is the memory bandwidth difference?

A: The Core Ultra 7 265T delivers 102.4 GB/s, compared to 89.6 GB/s for the Core 7 253PE. Both use dual-channel memory, but the Ultra 7 supports DDR5 only, while the Core 7 supports DDR4 and DDR5.

Q: Are these CPUs on the same socket?

A: No. The Core 7 253PE uses Intel Socket 1700, and the Core Ultra 7 265T uses Intel Socket 1851.

The Verdict

The data indicates the Intel Core Ultra 7 265T is the faster processor in nearly every measurable way. It wins 16 of 17 head-to-head tests, including all rendering benchmarks, all single-thread tests, and most PassMark workloads. Its average benchmark score of 47697 puts it in the 90th percentile, above the Core 7's 40557 average and 87th percentile. The Ultra 7 also does this at a 35 W TDP, which is almost half the Core 7's 65 W TDP.

The Intel Core 7 253PE is the correct choice only for a narrow set of workloads. Its 8.8% win in integer math is real, and its higher boost clock of 5.50 GHz may offer some appeal for lightly threaded tasks, though the benchmark data does not show a single-thread win. It also supports ECC memory and DDR4, which matters for systems with existing DDR4 memory or specific reliability requirements. Its 33 MB shared L3 is slightly larger than the Ultra 7's 30 MB.

For general desktop use, rendering, encryption, compression, physics, or floating point workloads, the Core Ultra 7 265T is the stronger pick. The 21.2% Cinebench margin is uniform across every version, and the 38.1% encryption gap and 37.7% floating point gap are decisive. The Core 7 253PE makes sense if ECC memory support is required, if DDR4 compatibility is needed, or if the 5.50 GHz boost clock is specifically desired. Otherwise, the benchmark record favors the Ultra 7 across the board, and its lower TDP makes it the more efficient option as well.

Specification Differences

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

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

| Cores | 10 | 20 |

| Threads | 20 | 20 |

| Base Clock | 2.50 GHz | 1.50 GHz |

| Boost Clock | 5.50 GHz | 5.30 GHz |

| TDP | 65 W | 35 W |

| Socket | Intel Socket 1700 | Intel Socket 1851 |

| Architecture | Bartlett Lake | Arrow Lake |

| Process Node | 10 nm | 3 nm |

| Foundry | Intel | TSMC |

| Transistors | Not recorded | 17,800 million |

| Die Size | Not recorded | 243 mm² |

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

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

| L3 Cache (shared) | 33 MB | 30 MB |

| 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 64EU |

| Release Date | 2026-03-08 | 2025-01-06 |

| Launch MSRP | $384 | $384 |

| Part Number | SA4QE | SRQCS |