Panther Lake's budget offering was benchmarked on Geekbench, showcasing its iGPU's prowess, which is roughly on the same level as AMD Radeon 880M.
12-Core Intel Core Ultra 5 338H Panther Lake CPU to Feature Arc B370 iGPU; Scores 39,406 Points in Geekbench Vulkan Test
Since Intel Panther Lake is expected to launch in a few months, we are witnessing benchmark leaks more frequently. The latest one is the Core Ultra 5 338H, which is one of the slowest in the PTL-H series, and was spotted on Geekbench, confirming the specifications. The results page reveal that the Ultra 5 338H boasts two clusters of cores, i.e., 4+8 cores, and we know from the reports that the processor will indeed feature 12 cores in total.
However, these are 4-P cores + 4-E cores + 4-LP-E cores. The base clock mentioned is 1.90 GHz, but the boost clock is nearly 3.7 GHz, which appears to be too low compared to the Core Ultra X7 358H, which boasted 4.8 GHz in the leak. One should expect the boost clock closer to the X7 358H, and the log shows up to 4.7 GHz. Nonetheless, we can see that there are other specifications mentioned as well, including the cache size, and the Core Ultra 5 338H brings 3 MB of L2 and 18 MB of L3 cache.
The more interesting part is its integrated graphics, which, according to the reports, should feature 10 Xe3 GPU cores. Here, the model name is mentioned as "Arc B370", but in our previous leak, the iGPU model name wasn't mentioned for the Core Ultra X7 358H. The Arc B370 was tested in the Geekbench Vulkan test, which resulted in 39,406 points. Performance-wise, it's on par with the AMD Radeon 880M, which is present on AMD Strix Point APU, i.e., Ryzen AI 9 365, which uses RDNA 3.5 architecture for the iGPU.
Geekbench Vulkan iGPU Benchmarks
Keep in mind that Geekbench results can vary greatly from test to test, but it seems like the we can expect some decent iGPU performance on the Panther Lake chips. We previously saw the 12 Xe3 cores-based iGPU on the Core Ultra X7 358H going head to head with the RTX 3050 laptop, comfortably beating even the Radeon 890M in the Geekbench OpenCL test. So, the Arc B370 should perform at least equivalent to Radeon 880M, or even better.
Intel Panther Lake-H and U lineup (Preliminary)
| CPU Model | P-Cores (Cougar Cove) | E-Cores (Darkmont) | LP-E Cores (Skymont) | CPU Clocks (Max) | L3 Cache | Xe3 iGPU Cores | iGPU Clock | TDP |
|---|---|---|---|---|---|---|---|---|
| Core Ultra X9 388H | 4 | 8 | 4 | 5.1 GHz | 18 MB | 12 (B390) | TBD | 25W (65-80W Turbo) |
| Core Ultra X9 386H | 4 | 8 | 4 | 4.9 GHz | 18 MB | 4 | TBD | 25W (65-80W Turbo) |
| Core Ultra X7 368H | 4 | 8 | 4 | 5.0 GHz | 18 MB | 12 (B390) | TBD | 25W (65-80W Turbo) |
| Core Ultra 7 366H | 4 | 8 | 4 | 4.8 GHz | 18 MB | 4 | TBD | 25W (65-80W Turbo) |
| Core Ultra X7 358H | 4 | 8 | 4 | 4.8 GHz | 18 MB | 12 (B390) | 2500 MHz | 25W (65-80W Turbo) |
| Core Ultra X7 356H | 4 | 8 | 4 | 4.7 GHz | 18 MB | 4 | TBD | 25W (65-80W Turbo) |
| Core Ultra 5 338H | 4 | 4 | 4 | 4.7 GHz | 18 MB | 10 (B370) | TBD | 25W (65-80W Turbo) |
| Core Ultra 5 336H | 4 | 4 | 4 | 4.6 GHz | 18 MB | 4 | TBD | 25W (65-80W Turbo) |
| Core Ultra 7 365 | 4 | 0 | 4 | 4.8 GHz | 12 MB | 4 | TBD | 25W (55W Turbo) |
| Core Ultra 7 355 | 4 | 0 | 4 | 4.7 GHz | 12 MB | 4 | TBD | 25W (55W Turbo) |
| Core Ultra 5 335 | 4 | 0 | 4 | 4.6 GHz | 12 MB | 4 | TBD | 25W (55W Turbo) |
| Core Ultra 5 325 | 4 | 0 | 4 | 4.5 GHz | 12 MB | 4 | TBD | 25W (55W Turbo) |
| Core Ultra 5 332 | 2 | 0 | 4 | 4.4 GHz | 12 MB | 2 | TBD | 25W (55W Turbo) |
| Core Ultra 5 322 | 2 | 0 | 4 | 4.4 GHz | 12 MB | 2 | TBD | 25W (55W Turbo) |
News Source: @BenchLeaks
About the author: Sarfraz Khan is a hardware reporter with a focus on PC components and the builder community. With years of experience writing about PC hardware and laptops, his work has been featured on several reputable technology publications. Sarfraz's hands-on experience is demonstrated through his first-person accounts of using and comparing different hardware configurations, providing practical and relatable insights for everyday users. His technical analysis is respected by peers in the enthusiast community and has been cited by specialized hardware sites such as Germany's Igor's Lab.
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