HD7970 CF +upgrades vs GTX 970 + CPU

Hi guys, I have found some 7970's on a market, both for £90 each and in full working order. I am debating whether or not it is a good idea to go with those two and have to upgrade my mobo and PSU, or just save money on an R9 380 etc.. I would like to know the video power difference between the two configs and if it is worth spending the extra money to get more raw power, and how long they will last for modern games.

Only problem is, is that an R9 390 is £240, and the R9 380 is £140, a GTX 960 is the same and a GTX 970 is £240. There is too much of a gap in between them and I'd have to spend money to upgrade anyway.

Current PC:
cpu: Pentium G3258 (£45) (upgrading very soon to i5-4460 etc.)
mobo: msi h81m-p33 (£30)
psu: EVGA 500W bronze (£45)

I could run just one on this current setup and buy a psu, cpu and mobo at a later time. I would have to spend £100 to upgrade my PSU and mobo, then potentially sell my mobo and psu which have only been used for 2 weeks from brand new to get some money back, then upgrade the CPU when I can.

Also, what are the power differences between just one 7970 and a 380? Just thinking as I might only be able to buy one.

It would also be cheaper if I bought a 970 and a better CPU (£390) than buying 2x 7970's, mobo, psu, and a new CPU (£430) so I would like to know the comparison between a 970 and 7970 CF.

Thank you for your help.
3 answers Last reply Best Answer
More about hd7970 upgrades gtx 970 cpu
  1. I went from dual HD 7950's in crossfire to a single Gigabyte G1 Gaming GTX 970. I got 90% of the performance but use much less power, and have much lower heat and noise to deal with.

    Also, that Pentium G will hold a powerful GPU back.

    So I would go with the i5 4460 + GTX 970. Very good balance between CPU and GPU power and it will be great for 1080p on high to ultra in most games.
  2. If and when you upgrade your CPU, you should probably upgrade your PSU as well. The EVGA SuperNOVA G2 is a good PSU. I would recommend the R9 390, as the overall performance/ vRAM/ compatibility is better.
  3. Best answer
    These are a pair of 7970's, which are on par with an r9 390. The only problem is, is that I will need to upgrade a lot more to be able to get the 7970's, whereas with the r9 390, I will only need to get a CPU with it., and I'll be saving roughly £40-£50.

    I'm thinking of getting an i5-4460+R9 390, should be running very well and will be able to be CF in the future when I need to.

    But, on the other hand, I could just get one 7970 for a very cheap and reasonable price and it will be a good alternative :D
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