I'm looking to build a budget config, and in fact amd a10 7860k has more graphical power than hd 530 from i3 6100. But, in other hands, when this config becomes too weak, im planning to upgrade the system with some gpu, like rx460, gtx 950 or equivalent. Those cards can be used with both CPUs without bottle neck, but the detail is RAM. i3 6100 supports ddr4, but the a10 only accepts ddr3. Maybe in some years (3~4), if i choose a10, even if i buy a external card, could the lack of ddr4 support of a10 ruin my system? Like the games demanding ddr4 ram memories to run instead ddr3? In this case, i will have i3 as only option right now. Tnks.
EDIT: I thought in an alternative, and its Pentium g4400 + gtx 750ti/r7 360. This config will cost a little bit more than AMD APU, but i can afford. The differencial its can handle a upgrade, because g4400 uses the same mobo than i3/i5 skylake. So, when the original config become too weak, i can upgrade the GPU first, for a gtx 950/rx 460 (will bottleneck, but surely will increase the fps), and when its becomes weak again, i can upgrade the cpu for an i3/i5. In the other hands, when a10 7860k doesnt run the games more, i wont be able to upgrade the system, because the bottle neck will be much more massive than g4400, and i will be forced to buy, along with the GPU, new CPU, new Mobo, new RAM...build new PC. What you guys think about that?
EDIT: I thought in an alternative, and its Pentium g4400 + gtx 750ti/r7 360. This config will cost a little bit more than AMD APU, but i can afford. The differencial its can handle a upgrade, because g4400 uses the same mobo than i3/i5 skylake. So, when the original config become too weak, i can upgrade the GPU first, for a gtx 950/rx 460 (will bottleneck, but surely will increase the fps), and when its becomes weak again, i can upgrade the cpu for an i3/i5. In the other hands, when a10 7860k doesnt run the games more, i wont be able to upgrade the system, because the bottle neck will be much more massive than g4400, and i will be forced to buy, along with the GPU, new CPU, new Mobo, new RAM...build new PC. What you guys think about that?