GT 730 2GB DDR5 + 6GB Ram VS R7 240 1GB DDR5 + 8GB Ram

It's up to you, but the 730 has 1GB more of VRAM, has a faster core-clock and faster memory clock. If your budget can stretch with the 8gb with this one, it's the better choice out-of-the-box.

1GB of 1VRAM on a low-clock is not much good, unless video streaming/web-browsing... Even with an OC, you're still stuck with 1GB of VRAM and you'd have to OC the R7 240 a lot to get it to where the GT is at stock, if you're looking at it for even a mild gaming solution. Just my experience and opinion.
 
More than 1gb vram is absolutely useless for such low end cards and you can't compare clocks with different models let alone completely different architectures. The 730 should be more than a few fps difference. You maybe comparing it to the wrong version as there are different 730.
 


That's odd... GPU comparo's between AMD and NV are and have been an ongoing thing for years; different clocks, models, and architectures within "similar" target uses, correct?

 


Weirdly on the low end models like the gt 730 there can be multiple versions (one with GDDR3 and 128bit bus, one with GDDR5 with 64bit bus, one with 384 cores, one with 96 cores.... its a minefield.
 
And those gpu comparing sites that compare specs are misleading. Who cares about clocks when a lower clock card can completely wipe the floor vs a higher clocked card. Hz are not created equal and it only one piece of the puzzle when it comes to real world performance. In the end that's all that matters so throw the spec sheet out the window and go look at actual game benchmarks.

Go with the 730 64bit version.
 
On that note, what k1114 said and you are pointing out does make sense!

 

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