![]() ♥ Book Title: Bank Soal & Strategi Tes Potensi Akademik Pasca Sarjana (S2 & S3) ♣ Name Author: Tim Master Eduka, Alvina Kusuma, M.Sc., Enha Punjabi, M.M. Since the G80's size is a lot bigger than any other GPU, the chances of defects appearing are a lot higher. Even though TSMC is working on smaller processes, the yields are not yet where they should be. The next point to note is that the process size is still 90nm. The first picture is of the GPU core, the second picture shows the G80 GPU placement on a 130mm wafer at TSMC. This is a huge leap ahead, I hope the performance potential justifies the added cost. ![]() Take a look at the transistor count, it increased by 250% compared to the 7900 GTX. 7900 GTX X1 GTX GPU G71 R580+ G80 G80 Transistors 278 M 384 M 681 M 681 M GPU Process size 90 nm 90 nm 90 nm 90 nm Shader Model 3.0 3.0 4.0 4.0 Pixel Shaders 24 48 96 128 Vertex Pipes 8 8 ROPs 16 16 20 24 Memory Interface 256 bit 256 bit 320 bit 384 bit Memory Size 512 MB 512 MB 640 MB 768 MB Memory Type GDDR3 GDDR4 GDDR3 GDDR3 Core Clock 650 MHz 650 MHz 500 MHz 575 MHz Memory Clock 8 MHz 800 MHz 900 MHz Shader Clock 12 MHz Interface PCI-E PCI-E PCI-E PCI-E Price $450 $420 $449 $599 Let's go through the specs list quickly.
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