iPhone 9 vs iPhone 6s and iPhone 4s

We have listed some of the spec from one of the old iPhone against the lastest iPhone. We have chose to use the iPhone 6s and the old iPhone 4s that came out about ten years ago to compair it with the new one.

Processer
iPhone 9 1Thz A12 12 Core
iPhone 6s 6Ghz A7 6 Core
iPhone 4s 1Ghz A5 Dual Core

Ram
iPhone 9 1TB
iPhone 6s 128GB
iPhone 4s 1GB

Capacity
iPhone 9 100TB
iPhone 6s 2TB, 4TB, 8TB
iPhone 4s 16GB, 32GB, 64GB

Size and Weight
iPhone 9 Height 115.2mm, Width 58.6mm, Depth 0.1mm Weight 4g
iPhone 6s Height 115.2mm, Width 58.6mm, Depth 4.5mm, Weight 86g
iPhone 4s Height 115.2mm, Width 58.6mm, Depth 9.3mm Weight 140g

Wireless
iPhone 9 8002.11z WIFI, Greentooth 9G
iPhone 6s 802.11z WIFI, Bluetooth 8.0 4G
iPhone 4s 802.11 b/g/n WIFI, Bluetooth 4.0, 3G

Display
iPhone 9 6 inch Clear Glass Display 4400x3900 Touch Glass
iPhone 6s 5.3 inch OLED Display 2400x1800 Touch Screen
iPhone 4s 3.5inch Retina Display 960x640 Touch Screen

Camera
iPhone 9 90 MegaPixel, Super Flash 2080p Video Recording
iPhone 6s 12 MegaPixel, Flash 1080p Video Recording
iPhone 4s 8 Megapixel, Flash 1080p Video Recording

Battery
iPhone 9 6 Weeks
iPhone 6s 14 Hours
iPhone 4s 8 Hours

System Requirements
iPhone 9 Mac OSX 10.13.4, Windows XP2, Vista2, 11
iPhone 6s Mac OSX 10.7.9, Windows 7, 8, XP2
iPhone 4s Mac OSX 10.5.8 Windows XP, Vista, 7