Intel Core 7 253PTE vs Intel Core Ultra 3 105UL Comparison

The Intel Core 7 253PTE and Intel Core Ultra 3 105UL are two desktop processors from Intel with distinctly different positioning. The data shows a clear performance hierarchy, with the Core 7 253PTE winning every single benchmark in the comparison set. The Core Ultra 3 105UL, however, occupies a different performance tier with a much lower power envelope. This analysis uses recorded benchmark data to break down exactly where each processor stands.

Head-to-Head Benchmarks

The benchmark results are overwhelmingly one-sided. The Intel Core 7 253PTE records a win in all 17 head-to-head comparisons, while the Core Ultra 3 105UL takes zero. The margins vary significantly by workload type.

In Cinebench tests, the Core 7 253PTE shows consistent dominance. In Cinebench R23 multi-core, the Core 7 scores 21276 against the Core Ultra 3's 8742, a delta of 143.4%. The single-core result in R23 shows a similar pattern: 3003 versus 1234, also a 143.4% delta. This consistency repeats across Cinebench R15 and R20, where the multi-core and single-core deltas are all in the 143.4% to 143.5% range. The Core 7's performance advantage in rendering workloads is uniform, not workload-specific.

PassMark results reveal where the gap widens further. The data compression test shows the Core 7 scoring 275828 against 93961, a 193.6% delta. Extended instructions show the largest single margin: 17099 versus 5634, a 203.5% delta. Integer math also shows a large gap at 190.4% (119552 versus 41171). Floating point math trails at 118.6% (67209 versus 30750). The data indicates the Core 7 excels in compute-heavy, instruction-diverse tasks.

The smallest deltas appear in single-threaded tests. PassMark single-thread shows the Core 7 at 3794 and the Core Ultra 3 at 3382, a 12.2% delta. This is the closest result in the entire comparison. The single-thread performance gap is modest compared to the multi-threaded gaps, suggesting that per-core efficiency is more balanced between the two than the core count difference would imply.

Other PassMark tests show mid-range deltas. Find prime numbers sits at 86.4% (82 versus 44), physics at 83.6% (1318 versus 718), and random string sorting at 152.5% (28227 versus 11179). Data encryption shows a 143.9% delta (15500 versus 6354). The overall pattern is clear: the Core 7 253PTE delivers roughly 1.4x to 2x the performance of the Core Ultra 3 105UL, depending on the workload.

Where Each One Wins

The Core 7 253PTE wins in every measured category, so the use-case split is about magnitude of advantage rather than category superiority. The largest wins are in extended instructions, integer math, and data compression, all showing deltas above 190%. These workloads benefit from the Core 7's higher core count and thread count.

The smallest advantage is in single-threaded tests, where the Core 7 leads by only 12.2%. This means for lightly threaded applications, the Core Ultra 3 105UL is closer in performance. The data suggests that day-to-day tasks like web browsing or office work would show a less dramatic difference between the two processors.

For multi-threaded productivity, rendering, and compute tasks, the Core 7 253PTE is decisively ahead. The Cinebench multi-core results confirm this, with consistent 143.4% deltas across versions. The Core Ultra 3 105UL remains usable for these tasks but at a significant performance penalty.

The Core Ultra 3 105UL does have one clear advantage in the data: its 15 TDP versus the Core 7's 45 TDP. This makes the Core Ultra 3 suitable for low-power and compact desktop builds where heat output and cooling requirements are primary concerns. The benchmark data does not capture power efficiency, but the TDP figures indicate a substantial difference in operating envelope.

Architecture Differences

The two processors come from different Intel architectures. The Core 7 253PTE uses the Bartlett Lake codename, built on a 10 nm process node. The Core Ultra 3 105UL uses the Meteor Lake-PS codename, built on a 7 nm process node. Both are manufactured by Intel, but the process difference is notable.

The Core 7 253PTE has 10 cores and 20 threads. The Core Ultra 3 105UL has 8 cores and 10 threads. The thread count difference is larger than the core count difference, indicating the Core 7 supports simultaneous multithreading while the Core Ultra 3 may have a different thread configuration. The Core Ultra 3 belongs to the Core Ultra Series 1, with the Meteor Lake architecture.

Cache configurations differ substantially. The Core 7 has 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 33 MB of shared L3 cache. The Core Ultra 3 has 112 KB of L1 cache per core, 2 MB of L2 cache per core, but only 10 MB of shared L3 cache. The L3 cache difference is significant: 33 MB versus 10 MB. This likely contributes to the Core 7's advantage in data-heavy workloads.

Memory support differs. The Core 7 supports both DDR4 and DDR5 memory. The Core Ultra 3 supports DDR5 only, with the specification noting that support depends on the motherboard. Both use dual-channel memory buses with 89.6 GB/s bandwidth. The Core 7 supports ECC memory, while the Core Ultra 3 does not.

PCIe capabilities differ. The Core 7 uses PCIe Gen 5 with 16 lanes (CPU only). The Core Ultra 3 uses PCIe Gen 4 with 8 lanes (CPU only). This gives the Core 7 a substantial I/O bandwidth advantage for storage and GPU connectivity.

Integrated graphics differ. The Core 7 uses UHD Graphics 730. The Core Ultra 3 uses Arc Xe-LPG 48EU. The data does not include graphics benchmarks, so the relative graphics performance is not quantified, but the different GPU architectures are notable.

Specification Differences

The socket types differ. The Core 7 uses Intel Socket 1700, while the Core Ultra 3 uses Intel Socket 1851. These are not interchangeable, so motherboard selection is determined by the processor choice.

Clock speeds show a clear gap. The Core 7 has a base clock of 1.80 GHz and a boost clock of 5.40 GHz. The Core Ultra 3 has a base clock of 1.50 GHz and a boost clock of 4.20 GHz. The boost clock difference of 1.20 GHz is substantial and contributes to the single-thread performance gap.

TDP differs significantly. The Core 7 has a 45 TDP, while the Core Ultra 3 has a 15 TDP. This makes the Core Ultra 3 a much lower-power option, suitable for systems with limited cooling or power budgets.

Release dates differ. The Core Ultra 3 was released on 2024-04-07, while the Core 7 was released on 2026-03-08. The Core 7 is the newer product. The Core 7 has a launch MSRP of $384, while the Core Ultra 3 has a launch MSRP of $295.

Both processors have locked multipliers. Neither allows overclocking via multiplier adjustment. Both are marked as active production status and target the desktop market segment.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core 7 253PTE has 10 cores and 20 threads. The Intel Core Ultra 3 105UL has 8 cores and 10 threads.

Q: How large is the single-thread performance difference?

A: In PassMark single-thread testing, the Core 7 253PTE scores 3794 versus the Core Ultra 3 105UL's 3382, a 12.2% delta. This is the smallest performance gap in the comparison.

Q: What is the L3 cache difference?

A: The Core 7 253PTE has 33 MB of shared L3 cache. The Core Ultra 3 105UL has 10 MB of shared L3 cache.

Q: Do both processors support the same memory types?

A: No. The Core 7 253PTE supports both DDR4 and DDR5. The Core Ultra 3 105UL supports DDR5 only, with motherboard dependence noted.

Q: Which processor has a higher boost clock?

A: The Core 7 253PTE has a boost clock of 5.40 GHz. The Core Ultra 3 105UL has a boost clock of 4.20 GHz.

Q: What are the TDP ratings?

A: The Core 7 253PTE has a 45 TDP. The Core Ultra 3 105UL has a 15 TDP.

The Verdict

The benchmark data shows the Intel Core 7 253PTE as the clear performance leader. It wins all 17 head-to-head comparisons, with advantages ranging from 12.2% in single-threaded tests to over 200% in extended instructions. Its 10 cores and 20 threads, combined with a 5.40 GHz boost clock and 33 MB of L3 cache, deliver consistently higher scores across Cinebench and PassMark workloads.

The Intel Core Ultra 3 105UL serves a different role. Its 15 TDP makes it suitable for low-power desktop builds. Its 8 cores and 10 threads provide adequate performance for basic tasks, and its single-thread score is within 12.2% of the Core 7, making it competitive for lightly threaded applications. However, for any multi-threaded workload, the Core Ultra 3 falls significantly behind.

The data indicates that the Core 7 253PTE is the appropriate choice for users who prioritize compute performance, particularly in rendering, data compression, and integer-heavy workloads. The Core Ultra 3 105UL is the appropriate choice for users who prioritize low power consumption and modest cooling requirements, accepting a substantial performance trade-off. The socket difference (1700 versus 1851) and PCIe generation difference (Gen 5 versus Gen 4) further separate the two platforms, meaning the motherboard choice will reflect the intended use case.