Mobile version of GeForce RTX 3070
|A photo of a pre-production sample of the mobile version of the GeForce RTX 3070 video card based on the new NVIDIA Ampere architecture has appeared on the Web. Its graphics chip with the marking number GN20-E5-A1 is presumably a version of GA104, which is used in desktop versions of GeForce RTX 3070 video cards. |
If this is true, this is the first time GA104 has appeared in the flesh. In addition, the photo allows you to see for the first time how GDDR6 memory modules are located around the GPU. Recall that GDDR6X memory is only used in older GeForce RTX 3090 and RTX 3080 video cards. Judging by the photo, the location of memory chips in the new generation of mobile graphics is more dense than in the previous one.
The chip manufacturer is the company SK Hynix. On the lid of the chip can also be used to mark the marking H56C8H24AIR. A quick search on it shows that the same chips are used, for example, in AMD Radeon Pro 550M mobile video cards. As for the amount of memory, it is 8 GB. The memory itself is connected via a 256-bit bus.
The full version of the GA104 GPU is equipped with 6144 CUDA cores. How different the mobile version is is still an open question. According to the VideoCardz resource, mobile graphics can use the same 5888 CUDA cores that are used in the desktop version of GeForce RTX 3070, but the GPU frequency in the mobile version will be much lower than in the desktop version. Referring to its sources, the resource also indicates that NVIDIA is going to present the GeForce RTX 30-series mobile graphics somewhere closer to CES 2021.
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