Editor's Note:
Update / November 21, 2025: The specs discussed below have now been solidified. Intel has confirmed that the Panther Lake CPU lineup will officially debut on January 5th as their first 18A-based product.
There will be as many as 12 SKUs in the first batch, according to this leak, where four of them will be the Core Ultra X, four will be regular Core Ultra, and the remaining four will be from the U-series.
Leaked Screenshot Suggests Panther Lake Rumoredly Features Four Regular Core Ultra 3X5H Series SKUs, Four Core Ultra X 3X8H SKUs, and four PTL-U SKUs
Just now, we posted about the possible iGPU configurations for some of the Panther Lake chips, which suggested that only the Core Ultra "X" variants will have 12 Xe3 GPU Cores. However, another leak popped up recently, which kinda confirms this, but also adds another low-end SKU in the "X" lineup. The naming convention here is a bit different from what we have reported. Instead of "Core Ultra X7/X9 3X8H", this one puts the "X" designation before the model name, i.e., "Core Ultra 7/9 X3X8H".
Regardless of what the exact naming convention Intel is reportedly going for the Panther Lake "X" chips, we see that the user has also revealed some more SKUs in the lineup. Apparently, Intel is also planning non-X Core Ultra 7 and 9 SKUs, but unlike what we saw previously, the "X" family will also have a Core Ultra 5 chip, namely Core Ultra 5 X338H or Core Ultra X5 338H. However, despite the previous leak suggesting that only "X" variants will have 12 Xe3 cores for the iGPU, the Core Ultra 5 X338H will have only 10 Xe3 cores.
If we move on to the next lineup, we have the regular Core Ultra 5/7/9 3X5H series, which significantly downgrades the iGPU configuration. While Intel is expected to retain the CPU core configuration, all of these will feature only four Xe3 GPU cores. This iGPU configuration is also shared by the low-power Core Ultra 3/5/7 3X0U CPUs, which will be limited to just 6 to 8 CPU cores.
Unlike previously, this leak suggests that there will be nearly a dozen SKUs in the first Panther Lake batch, and has confirmed some of the specifications we have reported before. The only thing yet to be confirmed is whether Intel will go with the Core Ultra X5/X7/X9 or will put the "X" designation at the start of the model numbering. Keep in mind, when we say "Confirm", it doesn't make it official. So, take these configurations with a grain of salt.
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: Chiphell
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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