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ZTE Grand X - Nvidia processor
To start off, here's a look at the key specs of the Grand X and the Orange San Diego.
ZTE's Grand X has a 4.3-inch qHD (960 x 540 pixel) display, runs on a 1GHz dual-core Nvidia Tegra 2 processor and provides 512MB of RAM.
By comparison, the Orange San Diego uses a single-core 1GHz Intel Atom Z2460 processor (formerly known as 'Medfield'), comes with 1GB of RAM and has a 4-inch 600 x 1024 pixel display.
The internal storage on the Grand X maxes out at 4GB, but this can be expanded up to 36GB using a microSD.
Conversely, the Orange Intel smartphone offers far more internal storage — 16GB. However, it will not support microSD cards to add extra.
If you're trying to choose between these two on specs, you could argue a lot of these points either way.
Some people might think that a single core 1.6GHz processor is just as good, or better even, than a 1GHz dual-core. Similarly, with the Grand X, some people might prefer the expansion possibilities of a microSD card, or some people might view it as severely lacking in internal storage.
Image credit: Ben Woods