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Home » Video
Gigabyte GeForce GTX 650 Ti (GV-N65TOC-2GI) Video Card Review
Author: Gabriel Torres
Type: Reviews Last Updated: October 9, 2012
Page: 3 of 16
The Gigabyte GV-N65TOC-2GI (Cont’d)

In Figure 5, you can see the standard GeForce GTX 650 Ti and the Gigabyte GV-N65TOC-2GI with their cooler removed. We were impressed by how short the printed circuit boards are, at 5.7” (145 mm). Even though the printed circuit boards have the same dimensions, Gigabyte took the time to design its own printed circuit board. While the cooler used on the standard model doesn’t add any length to the video card, the cooler used on the Gigabyte’s model makes the card 9.2” (235 mm) long.

Gigabyte GeForce GTX 650 Ti
click to enlarge
Figure 5: Standard GeForce GTX 650 Ti vs. Gigabyte GV-N65TOC-2GI

 

Both video cards use a voltage regulator with two phases for the GPU and one phase for the memory chips. The voltage regulator circuit uses a digital design and is controlled by a uP1605 chip. All capacitors are solid. The model from Gigabyte uses better coils than NVIDIA’s reference model. That’s the only difference between the two models on this stage.

Gigabyte GeForce GTX 650 Ti
click to enlarge
Figure 6: Voltage regulator of the Gigabyte GV-N65TOC-2GI

The reviewed video card uses eight Hynix H5GQ2H24AFR-ROC GDDR5 chips, each one storing 2 Gbits of data, comprising the 2 GB of memory available on this video card. These chips can run up to 6 GHz. On this video card, they are accessed at 5.4 GHz, leaving you with an 11% margin for safely increasing the memory clock. Since the memory is operating below its maximum clock rate, we see no reason why Gigabyte configured this video card with NVIDIA’s standard clock rate. The reference model uses exactly the same chips, but only four of them, since it only has 1 GB of memory.

Gigabyte GeForce GTX 650 Ti
click to enlarge
Figure 7: Two of the eight memory chips

In Figure 8, you can see the accessories that come with this video card.

Gigabyte GeForce GTX 650 Ti
click to enlarge
Figure 8: Accessories

Before seeing the performance results, let’s recap the main features of this video card.

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