It depends on which one you buy, you can get a 16gb, 32gb or 64gb if you already have an iphone with you you can just chek your info at iphone admin . com its free thats what i do when i want info
less than what a computer has
4.7GB
The highest memory you can get is 32GB
RAM: 512MB Flash Storage: either 16GB or 32GB
The benefits of upgrading your phone to an iPhone 4 is that it has better screen resolution, more memory, and it is so much faster than the other versions.
You iPhone can have a different amount of memory/gigabytes. It comes in 4 amounts. 8G, 16G, 32G, and 64G. Either one of those is the memory you should have. You can tell how many Gigs your iPhone is by looking on the back of the phone.
You can find Apple iPhone 4's online starting at $99.99. The price goes up from there depending on the amount of memory the device has and if it has Siri or not.
You can get memory dimms as big as 4 gigabytes and your computer will have three or four slots for a dimm.
The iPhone 4 has 512 MB of RAM, which means "random access memory". It doubles the amount of memory found in the iPhone 3gs. It is expected to help run multitasking applications more efficiently.
Is there enough internal memory on your iPhone??
4,8,16, or 32 gigabite
It is on the packaging that the iPhone is in or you can check the available memory via iTunes or the handset.
They don't make 8gb iPhones anymore the lowest they make is 16gb