Panther Lake is arguably Intel's most important release in the past few years with significant gains made in the graphics department, in particular. The company wants to ensure that the new Arc B370 and Arc B390 iGPUs inside these chips perform to their fullest potential, which is why it has reportedly mandated the use of fast memory on high-end Panther Lake SKUs.
According to popular leaker Golden Pig Upgrade, Intel has set 7,467 MT/s as the minimum requirement for LPDDR5X RAM accompanying Panther Lake chips. Any slower and the impressive integrated graphics will be covertly relabeled to just "Intel Graphics" in Task Manager.
That means even if you have a flagship device with the maxed out 12 Xe3 GPU cores — available in the Arc B390 — it won't actually show up as that, at least in Task Manager. The top-end Core Ultra X9 388H features the Arc B390 iGPU, along with the Core Ultra X7 368H and Core Ultra X7 358H. The midrange Core Ultra 5 338H is powered by an Arc B370 iGPU instead, which features 10 Xe cores.
The rest of the chips are marketed as having generic Intel Graphics anyway, with no proper designation for their iGPUs. So, not following Intel's mandate for fast memory will essentially downgrade you to those offerings instead; not literally, but in a anti-piracy DRM countermeasure sort of way. You'll retain the high-end performance you paid for, but without the brandishing.
That being said, integrated graphics are still reliant on shared system memory and slower RAM will negatively affect bandwidth, potentially lowering those sweet FPS numbers. Therefore, it's not just a marketing tactic, but instead a genuine effort to curb vendors from cutting corners where it matters most. The Blue Team simply doesn't want Panther Lake's biggest selling point to be undermined.
Most OEMs do work closely with Intel to fine-tune their products and bring them up to spec, but smaller manufacturers can slip under the radar. Given the soaring RAM prices, there's a high chance companies might try to under-equip these machines to save costs. This is where Intel's requirement will ensure you're getting exactly what was advertised, without any sneaky part-swapping under the hood.
Follow Tom's Hardware on Google News, or add us as a preferred source, to get our latest news, analysis, & reviews in your feeds.
