every high end device (comparable to the iPhone) released from about last month onward has at least 2 GB of ram

the Nexus 5 (350$ outright) has 2 GB of ram

in the USA, you could probably get a subsidized phone (for free) that has 2 GB of ram from any of the top 4 carriers. (See: Galaxy S4)

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i just checked ATT, T-Mobile, Verizon[1], and Sprint all offer the S4 for 0$ up front cost (it has 2GB of ram)

[1] Verizon charges 50$ up front (plus all the same BS fees you'd get on an iPhone).