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NVIDIA Corporation has expanded the catalog of 3D-card with three desktop models based on 28-nanometer GPU GK107.
One of them was designated GeForce GT 630 (low-profile model, shown in the first illustration), the other two - GT 640 (it corresponds to the second picture).
Two models based on the previous generation GPU. One of them is shown in the third picture, called the GT 645, and the second ... GT 640.
All these new items are intended for delivery through OEM.
| Model |
GPU |
number of CUDA cores |
Core Clock, MHz |
frequency of shaders, MHz / h |
Memory Clock, MHz |
type and memory
amount |
TDP, W |
| GT 630 |
GK107 |
384 |
875 |
875 |
891 |
1 or 2GB, GDDR3 |
50 |
| GT 640 |
GK107 |
384 |
797 |
797 |
891 |
1 or 2GB, GDDR3 |
50 |
| GT 640 |
GK107 |
384 |
950 |
950 |
2500 |
1 or 2 GB, GDDR5 |
75 |
| GT 640 |
GF116 |
144 |
720 |
1440 |
891 |
1,5 or 3 GB, GDDR3 |
75 |
| GT 645 |
GF114 |
288 |
776 |
1552 |
1914 |
1GB, GDDR5 |
140 |
All cards, except for model GeForce GT 640 with 1.5 or 3 GB memory, which has 192-bit memory bus, have a 128-bit bus. All support DirectX 11. Related Products :
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