Very Low Cpu usage while High gpu usage

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eurofan3148

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Dec 8, 2017
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While playing All my games like (Dying light,State of decay etc) My GPU usage always remain at 99% while CPU usage is maximum 30% which results in low fps...I know its not a good system but i need help..

MY SPECS are
Core 2 Quad 2.4 Ghz
AMD Radeon 5450(overclocked to 750 mhz)
Dell optiplex 760
2x1gb Samsung ram
1x2Gb Kingston ram.
Windwos 10


https://imgur.com/uHeLl4i
 
Solution
spdragoo
Usage, probably not. You can get 99% usage in a GPU, but still have it run cool enough to avoid thermal throttling. Conversely, you could have a GPU that might only hit 40-50% usage, but because of bad thermal paste/bad fans/fans not spinning it hits its heat limit & throttles down.

Regardless, the HD 5450 is not really a gaming GPU. I should know; the first GPU on my current machine was the 6450 (next generation version, but pretty similar in performance). It was fine for my older games (Halo:CE, StarCraft/Brood War, SWAT 3/4, etc.), but didn't cut it for more modern games.

What you should replace it with is going to depend on a) what resolutions your monitor can handle & b) the quality/wattage of your PSU. If your PSU isn't...
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spdragoo

spdragoo

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Oct 17, 2011
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Usage, probably not. You can get 99% usage in a GPU, but still have it run cool enough to avoid thermal throttling. Conversely, you could have a GPU that might only hit 40-50% usage, but because of bad thermal paste/bad fans/fans not spinning it hits its heat limit & throttles down.

Regardless, the HD 5450 is not really a gaming GPU. I should know; the first GPU on my current machine was the 6450 (next generation version, but pretty similar in performance). It was fine for my older games (Halo:CE, StarCraft/Brood War, SWAT 3/4, etc.), but didn't cut it for more modern games.

What you should replace it with is going to depend on a) what resolutions your monitor can handle & b) the quality/wattage of your PSU. If your PSU isn't good quality and at least 450W, & your monitor is lucky to hit 1600x900 resolutions, I wouldn't go much higher than a GT 1030 or GTX 1050 (not the TI). If your PSU is powerful/reliable enough, but your monitor is still limited on resolution, you could probably go up to a GTX 1050TI or 1060 (or even an RX 470/480/570/580).

If you really want to experiment a bit, you could always get a more powerful GPU (GTX 1070/1070TI/1080, RX Fury, or RX Vega 56/64), & use "supersampling". Basically, the higher the resolution, the more work is done by the GPU. Supersampling has the GPU render the game at a high resolution, then scale it back down to the monitor's resolution to eliminate/reduce the jagged edges ("aliasing") on the screen. AMD implements it on their HD 7790 & later GPUs, & even has a list of what settings you can use depending on your monitor's resolution (http://support.amd.com/en-us/kb-articles/Pages/VSR.aspx). NVidia does something similar, looks like it was implemented with the Maxwell GPUs (https://www.geforce.com/whats-new/articles/dynamic-super-resolution-instantly-improves-your-games-with-4k-quality-graphics).
 
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eurofan3148

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Dec 8, 2017
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510
WEll,I upgraded my system from core 2 duo e8400 to core 2 quad q6600 last month.
The performance of this game was quite good with e8400 and radeon 5450.
But after upgrade /now its too laggy.
Any idea????
 
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herrwizo

herrwizo

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Feb 17, 2009
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Yeah, stock clock of Q6600 is only 2.4GHz vs 3GHz of your E8400, but fortunately it is a very good overclocker (it also depends on the motherboard and cooler, of course, but 3GHz should be easily obtainable even for beginners). Once you OC it, it will be better than E8400 in every aspect.
 
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spdragoo

spdragoo

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Agreed. It's considered one of the all-time best CPUs for overclocking (https://www.techspot.com/article/922-memorable-overclocking-friendly-cpus/#intel-core-2-quad-q6600-g0-revision), with some actually able to push it up to 3.4-3.6GHz (note, that's about 50% faster than stock settings). Just get a good aftermarket CPU cooler & test it out.
 
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