Basically, your resolution is so low, the card doesn't need to run any faster.. This will probably apply to the vast majority if not all games and would still apply (though not as much) if you upgraded the monitor/tv to 1920x1080
the 70 fps is probably as high as your cpu will do
70 fps is more than you need especially on the 768 TV..
what about when i run the game on just my 1600x900 resolution monitor and nothing changes, still was only getting 70ish fps and my power % stayed the same. GPU clock speeds only raise to 1228MHz (either my tv or monitor) and my gpu usage never hits higher than 70%. shouldnt that max out no matter what? My old card did.
Think of it this way: it is up to the CPU to process frames going towards the GPU as the GPU asks for them. If the CPU can't keep up with the draw calls from the GPU, part of the GPU sits at idle since it is not being fed with enough frames to keep it fully occupied.
Your old card on the other hand could not process frames as quickly as your new card, therefore the CPU was able to keep up with it.
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