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NVIDIA GeForce GTS 450 PCB Blueprint Leaked

A PCinlife member has got hold of two diagrams which are claimed to be of the PCB of NVIDIA’s upcoming GeForce GTS 450. The GeForce GTS 450 is based on GF106, which marks a return to a square die for NVIDIA. The proportion of the PCB is very similar to the HD 5700 series, though the GF106 die does seem a lot bigger than Juniper – but this is no surprise. The GTS 450 contains 3+1 phase power, and a 6-pin power connector, which suggests the TDP is well below 150W.

More details next page.


A PCinlife member has got hold of two diagrams which are claimed to be of the
PCB of Nvidia’s upcoming Geforce GTS 450. The Geforce GTS 450 is based
on GF106, which marks a return to a square die for Nvidia. The
proportion of the PCB is very similar to the HD 5700 series, though the
GF106 die does seem a lot bigger than Juniper – but this is no surprise.
The GTS 450 contains 3+1 phase power, and a 6-pin power connector,
which suggests the TDP is well below 150W.

In terms of outputs, the supposed GTS 450 features 2 x DVI and HDMI. It features a single SLI connector, which makes SLI with two GTS 450s possible.

Interestingly, the GTS 450 appears to have 12 memory chips – 6 on the front, 6 at the back, which suggests a buffer of 768 MB or 1536 MB. This implies a memory interface of 192-bit, as opposed to 128-bit rumours. It does make sense, as AMD’s GDDR5 memory controller allows for much higher clock speeds. We have seen Nvidia GDDR5 memory controller typically top out at 800-900 MHz, while the HD 5700 series does 1200 MHz. So, Nvidia will have to use 192-bit memory to match AMD’s 128-bit. 900 MHz at 128-bit could be a major bottleneck.

Of course, these diagrams could very well turn out to be fake, so we should just take them for what they are – diagrams.

Reference: Expreview

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