Question SLI GTX 1070 pc build with bad cpu

[StrangeFort]

I have a pc with those parts, what should i upgrade?

Intel Core i3-7100
SLI MSI GTX 1070
GOODRAM 120GB (SSD)
WD Blue 2.5" 250GB (2009)
Samsung M378A5244CB0-CRC 2x4GB
and some bequiet PSU

Personally I think that CPU is not really suitable for gtx 1070, and that I need to buy a new one, but I can't install any AMD CPU

 

[VirtualLarry]

Hmm, SLI GTX 1070, on an ... i3? Seems a tiny bit unbalanced. For gaming, at least. For something like F@H, or DC / mining in general, that would be fine, as the CPU would only have to feed the GPUs, rather than run, say, a game.

You could drop in an i7-6700 or i7-7700 (mobo permitting), or a "K" CPU if the mobo is a "Z" board, to allow for overclocking. That would really allow the GPUs to stretch their legs.

The WD Blue 2.5" 250GB (I presume is laptop HDD?), and 120GB (SATA?) SSD, are probably due for somewhat of an upgrade too. Consider 1TB Crucial MX500 SATA6G 2.5" SSD to replace both of them. (*Or a Team Group if you're really on a budget.)

RAM could use an upgrade too, if you're upgrading the CPU. I assume that those are DDR4 modules? (That you don't have some wierd OEM hybrid DDR3 / 6th/7th-gen mobo?)

Consider 2x8GB (16GB kit) if you are only going to keep the PC for another 2-3 years at most, otherwise, if planning to keep it longer, consider a 32GB kit, that you could re-use and move to your next system, at least 3200 or 3600 speed (which will be limited to 2400 unless you have a "Z" board.)

 

[StrangeFort]

Hmm, SLI GTX 1070, on an ... i3? Seems a tiny bit unbalanced. For gaming, at least. For something like F@H, or DC / mining in general, that would be fine, as the CPU would only have to feed the GPUs, rather than run, say, a game.

You could drop in an i7-6700 or i7-7700 (mobo permitting), or a "K" CPU if the mobo is a "Z" board, to allow for overclocking. That would really allow the GPUs to stretch their legs.

The WD Blue 2.5" 250GB (I presume is laptop HDD?), and 120GB (SATA?) SSD, are probably due for somewhat of an upgrade too. Consider 1TB Crucial MX500 SATA6G 2.5" SSD to replace both of them. (*Or a Team Group if you're really on a budget.)

RAM could use an upgrade too, if you're upgrading the CPU. I assume that those are DDR4 modules? (That you don't have some wierd OEM hybrid DDR3 / 6th/7th-gen mobo?)

Consider 2x8GB (16GB kit) if you are only going to keep the PC for another 2-3 years at most, otherwise, if planning to keep it longer, consider a 32GB kit, that you could re-use and move to your next system, at least 3200 or 3600 speed (which will be limited to 2400 unless you have a "Z" board.)

Forgot to mention that I have: Asus TUF Z270 MARK 2 motherboard, and because of that, I cant place any AMD cpu.

Idea about getting a better CPU is good, but the thing is itll still bottleneck on 17.66% with i7-6700K. I think that getting a new motherboard and bying some Ryzen CPU is much more better?

About HDD Idk, I didn't build up this PC, and yes, its SATA.
Ram seems to be a good idea too, because pc part picker site said that this ram is incompatible with this motherboard, getting 16GB of RAM seems fine. But still I am very newbie in the PC building stuff so sorry if I am wrong.

 

[Steltek]

Forgot to mention that I have: Asus TUF Z270 MARK 2 motherboard, and because of that, I cant place any AMD cpu.

Idea about getting a better CPU is good, but the thing is itll still bottleneck on 17.66% with i7-6700K. I think that getting a new motherboard and bying some Ryzen CPU is much more better?

About HDD Idk, I didn't build up this PC, and yes, its SATA.
Ram seems to be a good idea too, because pc part picker site said that this ram is incompatible with this motherboard, getting 16GB of RAM seems fine. But still I am very newbie in the PC building stuff so sorry if I am wrong.

Pcpartpicker is good for a lot of things, but DRAM compatibility checks aren't one of them. If the memory is currently working with your board, it is compatible no matter what Pcpartpicker says. When you build a system there, always check DRAM compatibility through alternative means.

I wouldn't consider it cost effective to upgrade your current board to an Intel I7 (even a used one) as those Intel CPUs compatible with your board are overpriced (even used) for what you get.

Instead, were it my system, I'd consider at least upgrading to a new B450M/B550 AM4 motherboard + (minimum) Ryzen R5 3600 CPU. g.skill DDR4-3600 memory in 16GB (2x8GB) kits is usually decently cheap, and even the new motherboard+CPU+memory would be less than a new I7-7700k processor for your existing board.

The advantage of going that way now is that you'd get an immediate boost plus the possibility of a future Ryzen 4000 CPU upgrade in the future to extend system life provided you get a good board with good VRMs. Or, if you have the funds, you can go ahead with a higher end CPU.

 

[vailr]

Your existing Z270 board should be fine, if the CPU were upgraded to maybe an i5-7600, for example. The SLI'd 1070 video cards would best be replaced with a single faster video card, such as maybe a single RTX 2060 Super, if you have the funds. The idea of having SLI'd video cards has been pretty much replaced now.

 

[VirtualLarry]

You could turn it into a mining rig. And then save up your BTC to buy new kit. (Might take a year or two.)

 

[StrangeFort]

Thank you all for your replies, I dont really want to make a mining rig from it, because its not really profitable and stuff, ill just get a new motherboard, 1 TB SSD (I thought that itll costs like 500$ for 1tb but its somewhere in 100$), 16 or 32 ddr 4 RAM, and most importantly, new cpu!

 

[vailr]

Thank you all for your replies, I dont really want to make a mining rig from it, because its not really profitable and stuff, ill just get a new motherboard, 1 TB SSD (I thought that itll costs like 500$ for 1tb but its somewhere in 100$), 16 or 32 ddr 4 RAM, and most importantly, new cpu!

I would doubt that there would be very much added benefit via upgrading/changing the motherboard, when an Intel i5-7600 CPU upgrade could be had for ~$200. For ram, 2x sticks of 8Gb each should be more than adequate. If you can maybe sell the two GTX 1070 cards on Ebay, the overall replacement price for a single new RTX 2060 Super card doesn't seem too much to handle. If funding is the issue, just use the on-board Intel GPU temporarily, as a bridge to future funds availability.