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better value: completely new system, or reconfigure backup PC?

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hitbyambulance
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better value: completely new system, or reconfigure backup PC?

Post by hitbyambulance » Sat Jan 04, 2020 3:59 pm

hard drive had been getting slower and slower to start up over the years, til last night when it just booted to a black screen (with cursor). started PC with Windows repair disk and it's 'fixing disk errors - 1% complete' as of the past ten hours of attempting this repair. at this point, the CPU, mobo and RAM are about 10-11 years old (purchased secondhand), the HDD nine years, and the video card probably six or seven (also second hand) so i think it makes sense to now build anew.

i have here my backup PC with an MSi Z270 Gaming M7 motherboard, i3 processor and 8GB RAM from about three or four years ago. the i3 processor wouldn't be so great for gaming, so i thought of buying a replacement for that. however, this board is now a couple generations old (LGA 1151), and i'd still need to buy more RAM, and as it has integrated video, i'd be using the GTX 970 from my current machine. the motherboard is pretty nice, but is that enough to make an upgrade with an older CPU (which would be a secondhand purchase) worth it? RAM is cheap right now (32GB for ~$100), but the CPU, even used, could be costly.

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Re: better value: completely new system, or reconfigure backup PC?

Post by EvilHomer3k » Tue Jan 07, 2020 11:39 am

I would go with a new board. Even a 6700K is going to run you $300 new. A used one on eBay is going to be over 200. For less than $200 you can get an AMD Ryzen 3600 which is considerably faster. An MSI Tomahawk Max runs about $115. 16 gb is plenty for gaming. I'd say unless you can find a 6700K for 200 or less you are better off with getting a new Ryzen setup.
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Re: better value: completely new system, or reconfigure backup PC?

Post by hitbyambulance » Mon Jan 13, 2020 4:08 am

AMD Ryzen 5 3600 is looking awfully compelling for price/performance ratio. if i went that route, the motherboard to get would probably be the MSI B450 Tomahawk Max.

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Re: better value: completely new system, or reconfigure backup PC?

Post by hitbyambulance » Tue Jan 14, 2020 8:25 pm

the CPU on the backup PC is an i3-7300. this looks to actually be slightly better in some ways than the i7 920 on the PC with the broken HDD.

https://cpu.userbenchmark.com/Compare/I ... m778vs3893

http://www.cpu-world.com/Compare/374/In ... 7-960.html

if this were a same-gen i5 processor, i wouldn't even be asking this question and i'd just go with it, but ... how much of a performance decrease will i notice with the i3?

i just purchased 2x16GB of DDR4 RAM, so i could get by with this setup for a while (swapping out the old mobo, CPU and RAM... and of course, putting in a new SSD drive).

other option is buying new CPU and mobo for the Ryzen 5 3600, as mentioned above - but i see almost no one here buying AMD processors. are people here just set in their ways with Intel? (or telling themselves they _need_ to have i7 processors in order to feel good about their techno-superiority...)

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Re: better value: completely new system, or reconfigure backup PC?

Post by gameoverman » Tue Jan 14, 2020 9:01 pm

It's an interesting choice. For newer games, a 2 core even with hyperthreading isn't going to cut it. However, there's no guarantee the 920 would do better on that same game. In games where it was enough I'd go with the i3 over the 920. My reasoning there is you'd gain efficiency and performance in areas besides the CPU. Unless you know you need a minimum of 4 actual cores the i3 should do as well. I assume streaming your gameplay is not something you'll be doing.

edit: I think the AMD thing is that AMD still has the rep of being a good bang for the buck choice, but Intel has the rep for being faster in gaming. So gamers tend to pick Intel in order to get the fastest possible gaming performance even if it costs a premium.

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Re: better value: completely new system, or reconfigure backup PC?

Post by DOS=HIGH » Wed Jan 15, 2020 5:05 am

hitbyambulance wrote:
Tue Jan 14, 2020 8:25 pm
other option is buying new CPU and mobo for the Ryzen 5 3600, as mentioned above - but i see almost no one here buying AMD processors. are people here just set in their ways with Intel? (or telling themselves they _need_ to have i7 processors in order to feel good about their techno-superiority...)
When I upgraded in November I went with a Ryzen 7 3700x paired with a 570 motherboard. It actually wasn't much cheaper than an i7-9700k build since the 570's are relatively expensive to other AMD chipsets and I upgraded to an AIO cooler. The stock Wraith cooler works well and apparently there isn't much to gain from overclocking the CPU at this time, but it will allow me to run a little quieter. I liked the fact that the 570 motherboard had two PCIE 4.0 m2 slots, most motherboards currently only have one slot that can run at PCIE 4.0 speeds, and it future proofs me in a couple of other areas. Hoping to only need to upgrade the GPU over the next 5 years, currently running with a RTX 2080. So far everything is working well.

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