Intel Core Ultra 7 265K Benchmark Reveals Strong L1 & L3 Cache, But L2 Performance Lag

The Intel Core Ultra 7 265K CPU shows significantly faster L1 and L3 cache speeds when compared to its predecessors, but in this rare case, at least forthcoming gains are made whilst there remains room for improvement in preloading data from either nearby or caching into a sizeable pool of fast main memory levels sooner.

Core Ultra 7 265K

We already know a little about what Arrow Lake chips will offer thanks to some previous Geekbench numbers, although this latest AIDA64 benchmark for the Intel Core Ultra 7 265K is even more enlightening. Part of the issue with performance in certain areas is that it may not be well optimized due to this being an early sample (or firmware) adaptive period, however, the cache looks way healthier than before particularly L1 and L3.

Leaks About the Intel Core Ultra 7 265K Benchmark

@9550pro shared an image of the AIDA64 Cache & Memory Benchmark results, where the Intel Core Ultra 7 265K was tested with DDR5 RAM clocked at 6400 MT/s with CL 32-40-40-80 timings. The memory latency stood at 75.8ns, indicating potential IMC optimization issues. Compared to Raptor Lake chips paired with similar or higher CL kits, the Core Ultra 7 265K displays higher memory latency, suggesting that communication within the chip is slower than expected.

image 16 166 Intel Core Ultra 7 265K Benchmark Reveals Strong L1 & L3 Cache, But L2 Performance Lag

In cache performance Intel’s L1 and L3 caches of the Core Ultra 7 265K trounce those that come before it, boasting a 5032.1/3508.0/7265.1 GBps in Read/Write/Copy for L1 cache and 2222.4/1247.8/988.79 GBps for L3 cache. In spite of awesome latency, the L2 cache is not stacking up against Raptor Lake chips, which may be due to the rather slower ring clock or they were using an earlier BIOS.

Intel Ring Bus is set in a circle where cores, caches, and memory controllers can all talk with each other via this ring bus concept. It could be possible that the decreased clock signal Ring Bus can cause higher latency in caches which might explain the higher memory latency observed in these tests.. However, the exact cause of these issues remains uncertain, as other factors like the early BIOS version may also play a role.

image 16 167 Intel Core Ultra 7 265K Benchmark Reveals Strong L1 & L3 Cache, But L2 Performance Lag

The Intel Core Ultra 7 265K CPU is set to replace the Core i7 14700K and 13700K, featuring 20 cores (8P+12E) with base clock speeds of 3.9 GHz and boost speeds of 5.5 GHz for P-cores, and 3.3 GHz base and 4.6 GHz boost for E-cores. It was recently seen in a CPU-Z benchmark, where it outperformed the Ryzen 9950X in single-core performance.

FAQs

What are the key improvements in the Intel Core Ultra 7 265K?

The CPU shows significant improvements in L1 and L3 cache speeds compared to its predecessors.

Why is the L2 cache performance lacking?

The poor L2 cache performance may be due to slower ring clock speeds or an early BIOS version.

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