What cpu should i upgrade to from i5-8400

Sep 2, 2018
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Hello! I am thinking about upgrading a cpu in a 300$ budget. I checked all the available options for my motherboard, but all the cpu's aren't that good of an upgrade. With this cpu i started getting a lot of lag spikes, and sometimes stuttering on modern games. So which motherboard should i get and a cpu so it would be a decent upgrade? I'm using a gtx 1070, so i don't want any bottlenecks as well. The motherboard is Micro-Star International Co. Ltd. H310M PRO-VD (MS-7B33) (U3E1). Thanks for the answers in advance!

Edit: I'm thinking about AMD cpu, because they're much cheaper.
 
Your lag spikes are almost certainly something other than the CPU, maybe drivers or other software, overheating, etc. Do some troubleshooting before you change hardware. The i5 8400 is as fast or faster in gaming than every CPU that AMD currently makes, it wouldn't even be an upgrade.
 


 
Ok, thank you very much for the advise! And another question. I don't know if you know a lot about this, but if not upgrading the cpu, i'm thinking of buying a AOC C27G1 144Hz curved gaming monitor. Can my computer handle the hz good enough and if it's below 144 will it feel smooth with VE technology? What does VE technology do? Thanks!
 
Your computer can absolutely take advantage of that monitor. If your fps is below 144hz it will still feel much smoother than 60hz as long as the fps is above 60. For example, if you have 100fps you will still see 100fps on a 144hz monitor. I don't see "VE technology" anywhere on the product descrption, the monitor supports freesync though. Since you have an Nvidia GPU it would take some unsupported software tricks for you to get freesync working, but if you plan on having fps higher than 80fps or so most of the time it won't make that much of a difference.
 
Yea, i understand that now. But about that technology I mentioned, here's a site i would by it from. You will not understand anything in my language, but you can see in the description: VA technologija. That's my first time hearing this as well tho.
 
The amd cpus aren't cheaper, actually equitable price or more, because you have an intel mobo now and would have to buy a amd mobo as well as the cpu, so total cost is not just the cpu price.

New amd cpus are about the same performance as kabylake, unless you get a good OC, and even then are beat by high end Intel in a slight majority of games. So in the end a switch to amd is going to cost you most, if not all your budget, for no real change in gaming performance.

I'd start with a full upgrade/update of all your motherboard drivers, gpu drivers, bios. Check load temps and per core usage according to the game that's lagging.
 




 
Yeah, im pretty scared about my motherboard now. I realised that it stays at 104 celcius while gaming and while being idle. The gpu stays at like 55-60 celcius, the cpu is on 60. But i have no issues with my motherboard. The fans are new, there's no dust in the case.
 
One of the temp sensors on your mobo could be bad and it might be throttling your processor. What speeds is the CPU running at under load? If it's not hitting proper boost speeds, contact your motherboard manufacturer and maybe they'll RMA it.
 


 
Any software is suspect. It's inevitable. Every addressable component has an address, everything from temp sensors to Sata controllers to ram sticks. With software you are relying on the author to take into consideration every possible address for any particular sensor, according to every mobo vendor, mobo model, mobo bios. A daunting possibility. It's why software isn't always reliable. Running any software puts my psu 12v rail at 8.12v or 10.12v, a physical impossibility and still have the pc run. I also have 2 areas where reported temps are 255°C and -125°C, also physically impossible. It happens. So take any software results with a grain of salt.

Only 1 way to actually determine real values, that's manually measure yourself. Using thermal checkers and a digital multimeter. IR camera and/or thermal spot checker will show any hot-spots for what they are and something reporting 104°C will be instantly obvious. If that's accurate. Nothing on a correctly functional mobo should be exceeding @90°C, that includes Sata controller chips, VRM's etc. So if 104°C is accurate for any component, regardless of actual address or component, it's time to RMA the mobo.