Size, Noise and HeatThe GTS 450 is almost identical in size to the GeForce GTX 460 (20.5 cm) and only requires one PCI-Express power connection. That's pretty good too. Plus, given its size, the card can be easily fitted in to the vast majority of computer casings.
The integrated cooling system has a double-decker design. The fan is quite big but doesn't entirely expel hot air from the casing. However, that won't really be a problem as this model doesn't get all that hot: we measured 71°C with video games.
One of the most interesting features of this graphics card is how little noise it makes when in operation. We didn't hear any real difference between using it in 3D games and in 2D mode.
We measured just 36.8 db(A) in 3D, which makes this card very quiet indeed. In fact, it's one of the best in the field.
Energy ConsumptionJust like the GTX 460, the GeForce GTS 450 is very energy efficient. In its resting state, our machine only showed a consumption of 85 W. In games, that went up to 274 W.
However, that's still some way off the 230 W seen in its main competitor from AMD, the Radeon HD 5770.
Gaming PerformanceUsing our graphics card performance index tables, we can see that this new NVIDIA card falls right between the AMD Radeon HD 5750 and HD 5770. The results place it closer to the 5770 than the 5750.
In practice, that means that this graphics card is recommended for screens with a fairly average resolution (1680 x 1050 max.). In such conditions, graphics effects can be activated to their maximum settings in most of the latest 3D releases. You'll only have to turn down the graphics in a handful of titles.
Click on the graph to view all our results
and compare them with other GPUs.
More detailed information on the results we obtained with the nine games tested can be found in our graphics card face-off. Here, you'll be able to compare the GeForce GTS 450 to the Radeon HD 5770 or the Radeon HD 5750.