iPhone 4S has 16GB, 32GB, and 64GB models. It takes 1080p HD video, 1 minute of video recording could consumes up to 200MB in size and high-end iOS games like Infinity Blade 2 takes 1.1GB. If you are hardcore gamer and like shooting videos, 16GB model will run out of storage really quick. 32GB and 64GB models are better fit for these tasks.
iPhone 4S improvements from iPhone 4
- 8 megapixel resolution and a custom lens with a f/2.4 aperture camera and records 1080p HD video.
- Improved antenna and a world phone which supports GSM and CDMA.
- Dual-core A5 chip that delivers up to two times more power and up to seven times faster graphics acceleration.
- Siri voice assistant.