For the performance problems of Xe graphics cards,Techspot websiteI wrote an article a few days ago.IntelIn the article on performance prediction of Xe graphics cards, the basic composition of GPU and the features of Intel Xe graphics cards are introduced in many previous chapters, but let's mainly look at performance prediction.
Speaking of performance,So far as we know, it's iDG2 that Intel leaked in the Linux kernel patch a while ago.HP128, iDG2HP256 and iDG2HP512 are three serial numbers. According to the previous Intel GPU architecture, they have 1024, 2048 and 4096 stream processor units respectively.Specifically as follows:
Based on this, the paper predicts the architecture of Intel Xe GPU. The architecture of iDG2HP256 with 2048 stream processor units is as follows:
In addition to the analysis architecture, according to the information previously published by Intel, Techspot believes that Xe GPU not only has a 10-nm process, but also uses Intel's EMIB packaging technology to encapsulate multiple cores together to achieve the effect of "multiple small cores assemble large core performance".
Finally, the key content of the article is to predict the performance of Xe graphics card, mainly referring to floating-point performance. They consider two different situations, one is core frequency 1.15GHz, which is the typical highest frequency of Intel nuclear display, and the other is 1.7GHz, which is based on the performance level of Intel 10nm technology and Taiji 7Nm engineering. It was calculated under similar conditions.
Firstly, the floating-point performance at 1.2GHz is considered. At this time, the performance of iDG2HP128 is lower than that of GTX 1650, and the performance of iDG2HP256 is lower than that of GTX 1660. The performance of iDG2HP512 is close to that of RTX 2080, but much lower than that of RTX 2080 Ti graphics card.
If the frequency is 1.7GH, then the situation is different. The performance of iDG2HP128 exceeds that of GTX 1650 graphics card, and the performance of iDG2HP256 is between RTX 2060 and RTX 2060 Super, while the top-end iDG2HP512 can exceed RTX 2080 Ti graphics card.。
In addition, they also forecast the next price, based on the above performance forecast.The price of iDG2HP128 is expected to be around $150, competing with GTX 1650, while the price of iDG2HP256 is around $350, competing with RTX 2060. The top price of iDG2HP512 is about $1,000, competing with RTX 2080 Ti.。
However, these information are predictions, the next year or so will be very variable, so just refer to it.
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