Ultimately, Apple's claim that the iPhone 4S is "up to twice" as fast as the iPhone 4 is reasonable. Graphics performance for the iPhone 4S likewise hit Apple's "seven times faster" claim in some tests demonstrated above. Although the iPhone 4S is slower than the iPad 2, the speed boost that the iPhone 4S provides over the iPhone 4 is Here's how to find that iPhone part number in Settings. Open the Settings app. Go to General > About. Below Model Name you will see Model Number. Tap Model Number to see the Part Number (it will We could not really see any speed difference when using the iPhone 4S and the iPhone 5. The extra height of the iPhone 5 makes the aspect ratio close to 16:9 compared to the close to 4:3 (it's 1.5:1 actually) on the older iPhones. This gives the screen that cinematic perspective. The iPhone 5S is a significant step up in terms of power and performance over the iPhone 5. The new A7 dual-core 1.3GHz processor with 1GB of RAM sounds feeble when compared to the quad-core 1 The first major difference between the iPhone 4S and the iPhone 4 is the chipset and processor it uses. The iPhone 4S uses an improved A5 chipset that has a dual core processor running at 1Ghz. The processor of the iPhone 4 is able to operate at 1Ghz but is purportedly underclocked to just 800Mhz to save on power. Given the underwhelming changes to the iPhone 4S, the iPhone 5 launch really needed to re-energise customers to prove Apple can repeat the game-changing trick it managed with the iPhone 4.. The The Vivoactive 4 has its flaws. For iPhone owners, Garmin smartwatch with an AMOLED display, the $399 Garmin Venu, also out now, is the Goldilocks between the Vivoactive 4 and 4S. However Putting on the replacement. Line up the casing by sliding it in place from the top (slide down, opposite of how you removed the original back) Firmly (still gently) slide the casing into place, you should hear it click into place. Replace the 2 screws by the charging port. 49. 28. 225. Posted: Oct 13, 2011. Options. The connectors are the same for the digitizer and LCD and the screen will function properly between the models but the parts are physically different and will not fit either way. The sensor layout is also different which would cause the phone to not work properly. The home button is also different. All the iPhone 4S will "supposedly" have she same internals and the same firmwares. There are no other differences while the iPhone 4 has different firmwares for CDMA and GSM as there have been no variants for the iPhone 3G or iPhone 3GS models which were the same across the globe. BUT beware of the term unlocked. It doesn't mean the phone is BpJJUj.