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The NVIDIA GeForce GTX 780 Tech Report
It's been more than a year since Kepler was launched. In an industry where 6 month product cycles used to be the norm, NVIDIA took almost a year to refresh Kepler. They did so on the 19th of February 2013 when they released the NVIDIA GeForce TITAN.
Today, exactly fourteen months after the GeForce GTX 680's launch, NVIDIA follows up with the new GeForce GTX 780, which slots in right under the GeForce TITAN. Let's take a look.
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A Big Upgrade Over The GeForce GTX 680
The new NVIDIA GeForce GTX 780 will have 12 SMX units, which gives it a total of 2,304 CUDA cores. This is 50% more than what the GeForce GTX 680 had. Of course, this is offset by a lower clock speed, but NVIDIA assures us that GeForce GTX 780's performance will be significantly better than that of the GeForce GTX 680. This is also because the GeForce GTX 780 will have a wider 384-bits memory bus, allowing it to deliver 50% more memory bandwidth!
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All this processing power will allow you, the gamer, to enjoy hyper-realistic games. That is, of course, if and when more games like Metro : Last Light hit the market.
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This is how the new GeForce GTX 780 compares to its predecessor, the GeForce GTX 680 :
Specifications |
GeForce GTX 780 |
GeForce GTX 680 |
Difference |
|
GPU |
GK110 |
GK104 |
- |
|
Fabrication Process |
28 nm |
28 nm |
- |
|
Transistor Count |
7.08 billion |
3.54 billion |
+ 100 % |
|
Max. Board TDP |
250 W |
195 W |
+ 28 % |
|
SMX Units |
12 |
8 |
+ 50 % |
|
CUDA Cores |
2,304 |
1,536 |
+ 50 % |
|
Textures Per Clock |
192 |
128 |
+ 50 % |
|
ROPs |
48 |
32 |
+ 50 % |
|
Base Clock |
863 MHz |
1006 MHz |
- 14 % |
|
Boost Clock |
902 MHz |
1058 MHz |
- 15 % |
|
Texture Fill Rate |
173 GT/s |
135 GT/s |
+ 28 % |
|
Pixel Fill Rate |
43.3 GP/s |
33.9 GP/s |
+ 28 % |
|
Graphics Memory |
3 GB GDDR5 |
2 GB GDDR5 |
+ 50 % |
|
Memory Bus Width |
384-bits |
256-bits |
+ 50 % |
|
Memory Speed |
1502 MHz |
1502 MHz |
- |
|
Memory Bandwidth |
288 GB/s |
192 GB/s |
+ 50 % |
|
| For more detailed specifications, please take a look at the Desktop Graphics Comparison Guide. | ||||
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