Intel's latest Core Ultra X7 358H CPU has appeared in recent Geekbench tests, marking the debut of the "Panther Lake" series with 12 Xe3 cores in online benchmark databases. Notably, this is the first instance of the Xe3 GPU in its complete integrated form. This lineup features the fastest memory subsystem among all Panther Lake models, with a speed of 9,600 MT/s, and a CPU architecture that includes four P-cores, eight E-cores, and four LPE-cores, totaling 16 CPU cores running at a max frequency of 4,776 MHz. While this SKU is most likely an engineering sample, it should be close to the final clocks Intel plans to ship. In OpenCL testing, the Panther Lake iGPU scored 52,014 points, which is not particularly high. This score places it in the range of NVIDIA's GeForce RTX 3050 discrete desktop GPU.

Historically, Intel's integrated GPUs tend to score lower in OpenCL benchmarks within Geekbench's GPU testing suites, where AMD and NVIDIA usually perform better. Therefore, this result should be interpreted with caution. When comparing Intel's iGPU performance across generations in this benchmark, from the "Arrow Lake-H" Arc 140T iGPU to the 12-core Xe3 GPU, there is roughly a 25% improvement favoring the newer architecture. Interestingly, the PTL iGPU performs closely to the Arc A550M discrete GPU, which features 16 cores on the first-generation Xe "Alchemist" microarchitecture, with a 60-80 W TDP and 8 GB of GDDR6. This may suggest that the OpenCL testing in Geekbench may not be fully optimized with drivers and performance enhancements. Before the official release, Intel is expected to update the drivers to ensure the GPU can deliver maximum performance.