Thinking of upgrading your iPhone 3GS to the iPhone 4 or thinking of getting the older 3GS over the latest model for price? Here’s a head to head between the iPhone 4 vs iPhone 3GS. Phone Model iPhone 4 iPhone 3GS Price (on contract) $199 16GB, $299 32GB $99 8GB Processor Apple A4 600MHz, Cortex-A8 […]