Nvidia Geforce GTX 650 and GT 640 use the same GK107 GPU, this time only faster. Compared to the GT 640, the thing that gave the GTX 650 a real performance boost is GDDR5, earning it two times the bandwidth per clock cycle than DDR3. However, the GTX 650 doesn’t offer spectacular performance gain compared to the last gen’s GTX 550 Ti. In fact, tessellation performancea and power consumption seem to be the things where the GTX 650 clearly takes the cake.
Point of View / TGT realized that the reference clock, although 158MHz higher than the GT 640’s 980MHz will not be enough to turn the GTX 650 into a capable gaming card, so it gave it additional 131MHz boost. Running a 1189MHz GPU and 5600MHz GDDR5 memory allowed for gaming up to 1920x1080, depending on the game of course. More demanding games such as Crysis 2 or Metro 2033 will require turning off some effects.
The GTX 650 Ultra Charged is priced €17 higher than the reference solution. However, the card performs better than the reference solution, has better cooling that stays quiet and can be overclocked a bit higher too.