Just a day after the GF106 die shot leaks, a member at XtremeSystems forums has posted pictures of GF108. The picture says everything, with no further information provided in the post. Continuing from the square die GF108 is the GF106, and at first glance, it looks like “half of GF106″. It is an A1 sample, and if everything goes according to plan, A1 could be the final release.

1zdp3xx NVIDIA GF108 Die Shot Leaked

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Just a day after the GF106 die shot leaks, a member at XtremeSystems forums has posted pictures of GF108. The picture says everything, with no further information provided in the post. Continuing from the square die GF108 is the GF106, and at first glance, it looks like “half of GF106″. It is an A1 sample, and if everything goes according to plan, A1 could be the final release.

1zdp3xx NVIDIA GF108 Die Shot Leaked

Uncharacteristically, the poster did not blur the details off the die. It is clear to see that the die was manufactured in the 17th week of 2010, which falls between Late-April, Early-May. The die size is estimated at roughly 130 mm2. It would make sense for GF106 to be half-GF104, or 192 SP, and GF108 to be half-GF106, or 96 SP.

It is not really known in which segment the GF108 will compete in however. It doesn’t quite seem to be an entry-level product competing with the Radeon HD 5450 or replacing the Geforce 310. Instead, it is likely to be a competitor to the HD 5670 and replacing the GT 240. Incidentally, GT 240, a 96 SP chip, is also 40nm, and also features a die size of around 130 mm2. Of course, GF108 will be a GF104 derivative, featuring DX11. GF108 is widely rumoured to be branded as GT 400 series.

This would mean NVIDIA will either be sticking with the GeForce 300/200 series entry level products, or there could be another GF10x chip for the entry level market.

The picture also gives away certain details about the PCB. We can see four memory chips, with four more likely to be on the reverse side, making it a 128-bit memory bus. The memory is the real surprise, however, using Hynix H5TQ2G63BFR, which is DDR3. While a standard for entry level products, we would expect a modern HD 5670 competitor to use GDDR5. This puts more ambiguity to the market Nvidia is positioning GF108 at.

GF108 based products are expected to release after the GF106 launch on September 12th.

Reference: XtremeSystems