Key Takeaways
1. Intel’s Panther Lake devices, including the Lenovo Legion Pro Rollable and OneXPlayer X1, will launch next month at CES 2026 in Las Vegas.
2. The Core Ultra X9 388H is the latest mobile Panther Lake processor featuring 16 cores (4 Performance, 8 Efficient, and 4 Low Power) with speeds up to 5.1 GHz.
3. The new integrated GPU, Arc B390, has 12 cores based on Intel’s Xe3 architecture and the Core Ultra X9 388H has a thermal design power (TDP) between 65 W and 80 W.
4. On Geekbench 6.5.0, the Core Ultra X9 388H scored 3,057 in single-core tests and 17,687 in multi-core tests, comparable to Ryzen AI Max+ 395.
5. The single-core performance of the Core Ultra X9 388H is better than Ryzen AI Max+ 395, Ryzen AI 9 HX 370, and Core Ultra 9 285H.
The first devices featuring Intel’s Panther Lake are expected to officially launch next month. Recent leaks suggest that the Lenovo Legion Pro Rollable and a new OneXPlayer X1 (currently priced at $1,399 on Amazon) might make their debut at CES 2026 in Las Vegas.
Core Ultra X9 388H Performance
In the meantime, the Core Ultra X9 388H has emerged as the newest mobile Panther Lake processor to show up on the Geekbench benchmarking platform. From previous leaks, it’s known that the Core Ultra 9 X9 388H will be the top choice in the series, featuring 4 Performance, 8 Efficient, and 4 Low Power cores. While Geekbench doesn’t provide extensive details, it does suggest that the Core Ultra 9 X9 388H is a 16-core processor that can reach speeds of up to 5.1 GHz.
New Integrated Graphics
Furthermore, the listing also mentions the Arc B390, which is a new integrated GPU boasting 12 cores based on Intel’s Xe3 architecture. It is said that the Core Ultra X9 388H has a thermal design power (TDP) ranging from 65 W to 80 W. Although the listing doesn’t specify exact TDP numbers, it allows for comparisons of theoretical performance against other recent Intel and AMD processors.
Geekbench Scores
As shown in the screenshot below, the Core Ultra X9 388H achieved scores of 3,057 in single-core and 17,687 in multi-core tests on Geekbench 6.5.0 with 64 GB of RAM. Although the multi-core score is slightly lower than what the Core Ultra 9 285HX scored in our testing, it places the Core Ultra X9 388H on a similar level as the Ryzen AI Max+ 395, while outperforming the Core Ultra 9 285H and the Ryzen AI 9 HX 370. The single-core performance is also noteworthy, achieving a score higher than the Ryzen AI Max+ 395, Ryzen AI 9 HX 370, and Core Ultra 9 285H in our benchmarks, matching the results of the Core Ultra 9 285HX.
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