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What GPU would get me the most for my setup?

I recently bought an used pre-built optiplex 990 Mini Tower because I got a great deal on it.

Specs(I replaced the PSU, GPU, and RAM) so far:

CPU: i5-2500(3.3 ghz base) (up to turbo 3.7 ghz)
PSU: Ultra LSP 450W
GPU: EVGA GT 740 SC 2gb
RAM: 4x2gb(8gb) of ddr3 1333 Mhz Samsung Planet First
HDD: 1 TB WD Green
MOBO: Stock Dell Optiplex 990 MT

Monitor Resolution: 1600x900

Anyways, does anyone have any GPU recommendations for this setup? I mainly want to get the most out of my CPU and GPU with minimal bottle necks. I can't do much GPU overclocking because of the stock mobo, nor can I do CPU overclocking.

Right now my CPU is bottle-necked by my temporarily placed GT 740

I plan on gaming

My only concern is the stock motherboard. I want a powerful card, yet IDK if the MOBO limits a certain TDP to the PCIe slots. I couldn't find much in the manual.

Suggestions?
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  1. clocklike said:
    I recently bought an used pre-built optiplex 990 Mini Tower because I got a great deal on it.

    Specs(I replaced the PSU, GPU, and RAM) so far:

    CPU: i5-2500(3.3 ghz base) (up to turbo 3.7 ghz)
    PSU: Ultra LSP 450W
    GPU: EVGA GT 740 SC 2gb
    RAM: 4x2gb(8gb) of ddr3 1333 Mhz Samsung Planet First
    HDD: 1 TB WD Green
    MOBO: Stock Dell Optiplex 990 MT

    Monitor Resolution: 1600x900

    Anyways, does anyone have any GPU recommendations for this setup? I mainly want to get the most out of my CPU and GPU with minimal bottle necks. I can't do much GPU overclocking because of the stock mobo, nor can I do CPU overclocking.

    Right now my CPU is bottle-necked by my temporarily placed GT 740

    I plan on gaming

    My only concern is the stock motherboard. I want a powerful card, yet IDK if the MOBO limits a certain TDP to the PCIe slots. I couldn't find much in the manual.

    Suggestions?




    with that power supply max is a gtx 1050 ti


    if you had a decent unit you could easily run a gtx 1060
  2. Would it even be worth getting a gtx 1060 if I upgraded the PSU? Knowing that I can't OC the GPU at all?

    I also don't mind using older gen cards.
  3. clocklike said:
    Would it even be worth getting a gtx 1060 if I upgraded the PSU? Knowing that I can't OC the GPU at all?

    I also don't mind using older gen cards.


    do you mean overclocking the cpu?


    a gtx 970 would also be a great choice
  4. At 900p a gtx1050ti is best budget bet on that psu/cpu, it'll be @ equitable to a gtx970/gtx1060 3Gb on 1080p. You could also opt for a rx480/580 4Gb, but that's as far as I'd go, requiring a better psu.
  5. Karadjgne said:
    At 900p a gtx1050ti is best budget bet on that psu/cpu, it'll be @ equitable to a gtx970/gtx1060 3Gb on 1080p. You could also opt for a rx480/580 4Gb, but that's as far as I'd go, requiring a better psu.


    So running a gtx 1060 3gb wouldn't be enough for my PSU?

    It has 33Amps to the 12 volt rail

    Plus there's others that say that 450W PSU is fine for the GTX 1060
  6. GTX1060 is about 10% faster than GTX970. My son's i5 2500K (4.2 ghz OC) is still bottleneck GTX970 on 1080P gaming.
  7. Best answer
    It's not that 450W isn't enough, it's that it's a crap power supply. It probably doesn't even put out close to the rated power. You put a serious load on it and maybe it fries before long. That's why I'd only get a videocard that does not use a 6 pin pci-ex connector. The 1050 Ti is that card. A 1060 is faster, but at 900p that's irrelevant.

    The concern about the motherboard power output is a valid one. However, you did the right thing by buying the mini tower model. That model allowed for an upgrade to an HD 6670, which is a 66W card. So that would imply that the motherboard puts out the standard 75W.
  8. dontlistentome said:
    It's not that 450W isn't enough, it's that it's a crap power supply. It probably doesn't even put out close to the rated power. You put a serious load on it and maybe it fries before long. That's why I'd only get a videocard that does not use a 6 pin pci-ex connector. The 1050 Ti is that card. A 1060 is faster, but at 900p that's irrelevant.

    The concern about the motherboard power output is a valid one. However, you did the right thing by buying the mini tower model. That model allowed for an upgrade to an HD 6670, which is a 66W card. So that would imply that the motherboard puts out the standard 75W.


    Thanks this helped me out so much. This was the type of response I was looking for. If I wanted to run a gtx 1060 could you recommend me a PSU?
  9. Ultra PSU was a Tiger Direct house brand. I tried one and threw it in the trash. The worst thing that could happen is if it doesn't blow up but slowly damages everything else in your system.
    If you get the 1050TI, or the 1060 I would bump up to 12GB RAM.
    Here is an interesting build with an unlocked CPU.
    http://www.userbenchmark.com/UserRun/4388784
    You might look in this thread to see if overclocking interests you. I don't know if anyone has done it with that CPU yet, so not much hand holding.
    https://www.techpowerup.com/forums/threads/throttlestop-overclocking-desktop-pcs.235975/
  10. Throttlestop only works on unlocked cpus where the bios multiplier is locked. It's a software workaround that's hazardous to most motherboards not intended for OC usage as they have no protection from heat or voltages. For a 50w pentium it's fine, but start getting to a 4thread cpu like the i5 and the damage potential is exponentially higher. Rule of thumb is that there's no OC on a locked cpu, only on a unlocked cpu and unlocked bios. There's multiple reasons for this, least of which is the potential for damage or at least instability and data loss when you start messing around with BCLK. Which is what OC Genie and other motherboard software does to emulate bios multiplier OC.

    12Gb of ram is next to useless in design. OP states that he has 4x2Gb. That's 4x 2Gb sticks which is the maximum the board has slots for. OP would need to scrap 1 pair of 2Gb sticks and install a pair of 4Gb sticks to make the 12Gb, which is a fools game. Far better to just scrap all 4x sticks and replace with 2x8Gb. Has the advantage of lowering heat from the cpu as the memory controller gets a break.

    @OP. Take a look at the rated wattage of the psus in this video and compare them to the wattage at time of failure. This is exactly what's going to happen to your psu, it's a different brand but the same designs and quality. This is exactly why it's strongly recommended that you replace the psu with a higher quality unit that actually works the way it advertises.
    https://youtu.be/f6snWfd1v7M
  11. Rule of thumb here is look at the Dimension E520 in my sig. Click the link and then click the image there.
    TS doesn't alter BCLK, it adjusts multiplier directly. No change in RAM timing etc. It also adjusts Voltage.
    Nothing I said prevents him from going to 16GB. 12GB was a suggested minimum for a 4GB GPU.
    Add heatsinks to the VRM Mosfets. OEM boards never have them and it makes a huge difference.
    12GB RAM is Useless in design?????? Seriously who are you kidding.

    OEM Throttlestop overclock.
    http://valid.x86.fr/top-cpu/496e74656c28522920436f726528544d29322045787472656d652043505520513638303020204020322e393347487a
  12. Kidding? Op already had 4x sticks. He'd have to dump 2x sticks, purchase 2x4gb and hope there's no conflicts, which is much higher when dealing with 4x sticks vrs 2x. The whole plan of mixing ram pairs and sizes is not exactly inspired to say the least. Better by far to just scrap all the original ram and get a 2x8Gb kit. Could even try selling the old ram to offset some of the price. 16Gb of ddr3 on eBay is cheap enough.
    Your QX6800 is unlocked, you can OC that cpu by buss frequency. Op's i5-2500 uses an entirely different bios, it's locked, microcoded firmware set by Intel will not allow Throttlestop to change the multiplier to anything but down.
    (quote from WebPage you supplied)
    Throttlestop was designed for underclocking, and undevolting laptop computers to extend battery life. It also allows full control of Voltage and multiplier on unlocked CPUs.

    In other words, it would work for a i5-2500k on a non-Z rated board such as B, Q, H designation, but not for an i5-2500 on a Z rated board. You can't OC locked cpus by anything other than BCLK, only unlocked cpus allow OC. And BCLK on pre-Skylake cpus affects the entire front side buss, including ram, cpu, gpu, pcie, Sata. Good luck with stability and heat process at anything over @103.7 as the Northbridge chipset cooks (pcie), VRM's are not the only thing requiring effective heatsinking.

    OC on pre-Sandybrige is entirely different beast to OC of Sandy or even Ivy-Bridge, and Haswell is slightly different again.
  13. I pointed out to the OP that there was system like his with an unlocked CPU and posted a link to it.
    Here it is again. He has the option of doing that. i5-2500k. I was proposing a CPU swap.
    http://www.userbenchmark.com/UserRun/4388784
    My QX6800 is not overclocked by bus frequency. That's locked at 266fsb. Multiplier only. My BIOS and PLL are as locked as they come.
    I suppose it would be easy for a beginner to have a problem matching his existing memory. i've done it many times with no problems.
  14. Beginner has nothing to do with it. For starters there's the silicon lottery, guaranteed that different ram will be from a different batch of silicon, which starts possible incompatibility. Then you compound that exponentially as each of the 4 sticks has to be compatible with the other 3. Then there's primary, secondary and tertiary timings to consider, 2Gb sticks almost always have different timings to 4Gb, which are different to 8Gb etc. All it takes is 1 timing out of 40+ to be too incompatible and it don't work.

    Has nothing to do with the op being a beginner or noob or even techie, has everything to do with the ram voltages, kits, silicon, timings etc. Mixing ram is never a good idea and is to be avoided if possible. Mixing 2 sticks is bad enough, mixing 2 kits is exponentially worse.

    And I wouldn't bother moving from a 2500 to a 2500k, that's a serious waste of money, and there's no guarantee it'll even work as Dell bios is proprietary and often doesn't allow upgrade to a k class cpu unless intended and part of the model line. Just as the i5-2500 is bios recognized, but there's no guarantee an i5-3570 will be, or even an i7-2600/k. You'd have to dig out the Dell specs for compatible cpus according to that model bios, the Intel compatability list doesn't apply.
  15. The reason I posted the link to the SAME SYSTEM running the unlocked CPU was to answer the Dell BIOS question. Dell specs. are useless. They only list what they decided to sell. They don't update them hoping you will think you need a new computer.
    You really seem to be in a constant state of panic. Anyway the OP knows his options and can decide what he wants to try.
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