That is simply one of many points that makes shopping for ES and QS chips typically a foul concept. Technically these are early processors supplied on mortgage to OEMs and different entities and should not presupposed to be offered, though they often are (as is occurring now). They belong to Intel and don’t include a guaranty or help.
“Engineering pattern processors are pre-production items and should not eligible for guarantee. These items are the property of Intel. Intel has no program for guarantee help of engineering samples apart from by means of this system by which the product was supplied to the unique buyer. Please see your house of buy for guarantee help rationalization,” Intel explains in no unsure phrases.
Ignoring the ethical difficulty, ES chips will be lacking options and/or have specs completely different from the finalized silicon that will get produced for retail. That is not essentially an issue, although it may be. In line with Videocardz, earlier revision ES Alder Lake chips (ES1 and ES2) in all probability will not work in your retail Z690 motherboard, as they lack the correct BIOS help.
Which means should you purchase an earlier pattern, there is a good probability you will not even get it besides, by no means thoughts no matter options could be completely different from finalized silicon. Apparently later revision ES3 and QS samples may have a greater shot, however that is not assured both.
- Intel Core i5-12600 ES: QYGE
- Intel Core i5-12600 QS: Unknown
- Intel Core i5-12500 ES: Unknown
- Intel Core i5-12500 QS: Unknown
- Intel Core i5-12400 ES: QXDY
- Intel Core i5-12400 QS: QYHW
Our recommendation? Keep on with retail, even when it means ready a short time longer (which it clearly does if the Core i5-12400 is in your radar).