PC Master Race

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Pc bulding help (programming.dev)

submitted 10 months ago by [email protected] to c/[email protected]

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Hi so my gaming laptop just died ( water damage ). Usualy i would be looking for a universal laptop but finally i finished university so i likely wont need laptop any more . So right now im looking to dab into proper PC finally. And im looking for help to build a pc. Im mostly decided on the cpu front 7800x3d most likely and im looking for somewhat decent gpu for 1080p ,maybe 1440p gaming( if you are wondering why such a strong mismatch between gpu and cpu dosent bither me , i mostly play Europa universalis 4 , stellaris and other strategy games so extremly fast cpu is a priority , and apparently eu4 benefits quite a lot from 3d vcache . GPU meanwhile, if it can play total war warhammer 3 on max details its good enough ) . It can be either radeon or nvidia( i like to dabble as a hobby in ai models so nvidia would be cool ,but on the other hand i ran linux and nvidia is a pain in the ass on linux ,also i can manage without cuda cores somehow). Frankly speaking im just looking for the most decent price to performance indicator. Also what should i know about motherboards are there any important things or should i just look out for the chepeast possible one for that cpu .

Other than that cables. Do i need any additional cables or would they come with cpu power supply etc....?

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[–] [email protected] 3 points 10 months ago

It seems like you generally know what to look out for. I'd like to just pitch in and say that you shouldn't skimp out on a power supply. I remember there was a list floating around the internet (perhaps you can find it if you search for it) that lists different power supply models and their reliability. If you can find it, I'd recommend giving that a look before deciding on your power supply.

Also, make sure that whichever power supply you get is rated to handle the sum total of energy usage from the rest of your PC. I find that PCPartPicker has an accurate wattage calculator, so I would recommend plugging your build into there. My general recommendation is to try to pick a power supply where your estimated wattage is around 40-70% of the rated wattage of the power supply. (i.e., 0.4 <= estimated wattage / power supply wattage <= 0.7) Around 50% is the sweet spot of energy efficiency, and you definitely want to leave yourself some extra wattage for margin of error, in case of energy spikes or something of that nature. If you think you might upgrade to a higher-energy CPU or GPU in the future, I would recommend going for a higher rated wattage for your power supply (ie, nearer to 40% estimated wattage)

As for cables, you should be given cables from the motherboard and the power supply. Unless you have an excessive amount of fans or drives, you shouldn't need to worry about missing a cable.

As for the GPU, Nvidia basically always falls short in terms of price to performance. You'll have to consider whether you want ray tracing or CUDA, since Nvidia got those on lockdown. If you don't particularly care about those, then AMD is by far your best bet for price to performance. As for which specific model to get, I think a 7800XT might be a good start.

There's been a bit of a "crisis" recently about how much VRAM a GPU should have. Basically, in terms of raw power, I think a 7700XT would probably be fine for your needs, but it's only got 12 GB VRAM. Nobody can predict the future, so take this with a grain of salt. But my concern is that 12 GB might not be enough in the next few years. So I would suggest a 7800XT.

You can also take a look at AMD's previous generation, the 6000 series. The 6000 series nowadays can often be found for crazy-good prices, so if you're OK with some older technology, you can definitely take a look at the 6800 or the 6800XT.