Intel Core 7 253PTE vs Intel Core Ultra 7 265KF Comparison

Intel Core 7 253PTE vs Intel Core Ultra 7 265KF

The benchmark data presents a decisive matchup between two Intel desktop processors from different design generations. The Intel Core Ultra 7 265KF, built on the Arrow Lake architecture, wins all 17 recorded head-to-head comparisons against the Intel Core 7 253PTE, which is based on Bartlett Lake. The average benchmark scores are 71,910 for the Ultra 7 265KF and 34,962 for the Core 7 253PTE, placing the former in the 94th percentile of all CPUs and the latter in the 84th percentile. The Core Ultra 7 265KF also sits in a higher performance tier among its nearest rivals, with a 0.2% lead over the AMD Ryzen 7 8840HX, while the Core 7 253PTE is effectively tied with the Intel Core i7-13800H at a 0.1% deficit.

Head-to-Head Benchmarks

The Core Ultra 7 265KF dominates in every recorded benchmark, but the margin of victory varies significantly by workload. In Cinebench R23 multi-core, the Ultra 7 265KF scores 49,736 against 21,276 for the Core 7 253PTE, a 57.2% difference. The single-core result in the same test shows a similar gap: 7,021 versus 3,003, also 57.2% behind. The pattern holds across the Cinebench suite, with the R15 multi-core test at 5,013 versus 2,144 (57.2% deficit) and the R20 multi-core at 20,889 versus 8,935 (57.2% deficit). Single-core R20 results are 2,948 versus 1,261, again a 57.2% gap.

The Passmark suite reveals where the architectures diverge most sharply. The largest single delta is in passmark_find_prime_numbers, where the Ultra 7 265KF scores 486 against 82, a 83.1% deficit for the Core 7 253PTE. This points to a substantial difference in integer-heavy, latency-sensitive workloads. The passmark_extended_instructions test shows a 68.6% gap (54,513 versus 17,099), and passmark_data_encryption shows a 67.8% gap (48,198 versus 15,500). Floating-point math also favors the Ultra 7 265KF heavily: 189,431 versus 67,209, a 64.5% deficit. Data compression results are 666,589 versus 275,828, a 58.6% gap, while random string sorting shows 79,735 versus 28,227, a 64.6% difference.

The closest contest appears in passmark_integer_math, where the Ultra 7 265KF scores 143,351 against 119,552, a 16.6% deficit for the Core 7 253PTE. This is the narrowest margin in the entire comparison, suggesting that raw integer throughput is less affected by the architectural differences between the two chips. Passmark_single_thread also shows a relatively smaller gap: 4,928 versus 3,794, a 23% deficit. The passmark_multithread result is 58,518 versus 25,031, a 57.2% gap, and passmark_physics shows 3,633 versus 1,318, a 63.7% deficit.

Where Each One Wins

The Core 7 253PTE does not win any recorded benchmark, so the use-case split is defined by the degree of the Ultra 7 265KF's advantage rather than by distinct victories. The data indicates that the Ultra 7 265KF is disproportionately stronger in workloads that exercise extended instruction sets, encryption, prime number calculation, and floating-point math. These are the tests where the deficit exceeds 60%, reaching up to 83.1% in the prime number search. For users relying on such calculations, the performance gap is not marginal but generational.

The Core 7 253PTE is comparatively less disadvantaged in integer math and single-threaded Passmark tests, where the deficits are 16.6% and 23% respectively. Those workloads remain firmly in favor of the Ultra 7 265KF, but the smaller delta means the Core 7 253PTE is not as far behind in those specific areas. The multi-core Cinebench results all cluster around a 57.2% deficit, indicating a consistent throughput disadvantage across rendering-style workloads. None of the data supports a scenario where the Core 7 253PTE takes a lead, but its relative standing is better in integer math and single-thread Passmark tests than in the broader suite.

Architecture Differences

The two processors come from different Intel design generations and use different manufacturing processes. The Core 7 253PTE is a 10 nm part fabricated by Intel, while the Core Ultra 7 265KF uses a 3 nm process from TSMC. The Ultra 7 265KF integrates 17,800 million transistors on a 243 mm² die; the Core 7 253PTE has no transistor count or die size recorded in the database. The Core Ultra 7 265KF belongs to the Arrow Lake architecture and the Core 7 253PTE to Bartlett Lake, with the former codenamed Arrow Lake-S.

Core and thread counts differ substantially. The Core 7 253PTE has 10 cores and 20 threads, while the Core Ultra 7 265KF has 20 cores and 20 threads. That means the Ultra 7 265KF doubles the core count without changing thread count, which is consistent with its Arrow Lake design. Clock speeds also favor the Ultra 7 265KF: it has a 3.90 GHz base clock and a 5.50 GHz boost clock, compared to 1.80 GHz base and 5.40 GHz boost for the Core 7 253PTE. The thermal design power is 125 W for the Ultra 7 265KF versus 45 W for the Core 7 253PTE.

Cache hierarchies show distinct configurations. The Core 7 253PTE provides 80 KB of L1 per core, 2 MB of L2 per core, and 33 MB of shared L3. The Core Ultra 7 265KF provides 192 KB of L1 per core, 3 MB of L2 per core, and 30 MB of shared L3. The Ultra 7 265KF has less L3 in absolute terms but more L1 and L2 per core. Memory support diverges as well: the Core 7 253PTE supports both DDR4 and DDR5 with dual-channel memory and 89.6 GB/s bandwidth, while the Core Ultra 7 265KF supports DDR5 only, also dual-channel, with 102.4 GB/s bandwidth. The Core 7 253PTE supports ECC memory; the Core Ultra 7 265KF does not.

PCIe connectivity favors the Ultra 7 265KF with Gen 5 and 20 lanes, versus Gen 5 and 16 lanes for the Core 7 253PTE. The Core 7 253PTE includes integrated UHD Graphics 730, while the Core Ultra 7 265KF has no integrated graphics. The sockets differ: the Core 7 253PTE uses Intel Socket 1700 and the Core Ultra 7 265KF uses Intel Socket 1851. The multiplier is unlocked on the Ultra 7 265KF but not on the Core 7 253PTE. Release dates are recorded as October 2024 for the Ultra 7 265KF and March 2026 for the Core 7 253PTE.

The Verdict

The recorded data shows a clear performance hierarchy: the Intel Core Ultra 7 265KF is the stronger processor in every benchmark measured. Its average benchmark score of 71,910 is over double the 34,962 of the Core 7 253PTE, and its 94th percentile placement versus 84th confirms a higher overall standing. The Ultra 7 265KF carries a launch MSRP of $379, while the Core 7 253PTE carries a launch MSRP of $384. Both are listed as active production parts.

The Core 7 253PTE remains a viable part only in the narrow sense that its 45 W TDP and ECC memory support distinguish it from the Ultra 7 265KF, which draws 125 W and lacks ECC. The Core 7 253PTE also offers DDR4 compatibility and integrated graphics, neither of which the Ultra 7 265KF provides. For workloads that require ECC memory, lower thermal envelopes, or integrated display output, the Core 7 253PTE has functional advantages that the benchmark scores do not capture. For raw performance, the Ultra 7 265KF wins all 17 tests, and the margins are often above 50%.

The nearest rival data reinforces the gap. The Core 7 253PTE is essentially tied with the Intel Core i7-13800H and Intel Core i9-12900HX, both within 0.1% of its average score. The Core Ultra 7 265KF, by contrast, leads the AMD Ryzen 7 8840HX by 0.2% and trails the Intel Xeon 6517P by 0.6%. The Core Ultra 7 265KF is competing at a higher absolute performance level, while the Core 7 253PTE is positioned among mobile-class HX processors in the database's nearest rivals.

FAQ

Q: Which processor has the higher multi-core Cinebench R23 score?

A: The Intel Core Ultra 7 265KF scores 49,736 in Cinebench R23 multi-core, while the Intel Core 7 253PTE scores 21,276, a 57.2% deficit for the latter.

Q: Does the Intel Core 7 253PTE win any recorded benchmark?

A: No. The head-to-head data records 17 benchmark comparisons, and the Intel Core Ultra 7 265KF wins all 17.

Q: What is the largest performance gap between the two processors?

A: The largest gap is in passmark_find_prime_numbers, where the Ultra 7 265KF scores 486 and the Core 7 253PTE scores 82, an 83.1% deficit.

Q: Which processor supports ECC memory?

A: The Intel Core 7 253PTE supports ECC memory. The Intel Core Ultra 7 265KF does not support ECC memory.

Q: What are the core and thread counts for each processor?

A: The Core 7 253PTE has 10 cores and 20 threads. The Core Ultra 7 265KF has 20 cores and 20 threads.

Q: Which processor has integrated graphics?

A: The Intel Core 7 253PTE includes UHD Graphics 730. The Intel Core Ultra 7 265KF has no integrated graphics (N/A).