Resolution and Memory
| Resolution | Memory | |
| iPad | 1024-by-768
resolution at 132 pixels per inch (ppi) |
256 MB |
| iPad mini | 1024-by-768
resolution at 163 pixels per inch (ppi) |
512 MB |
| iPad 2 | 1024-by-768
resolution at 132 pixels per inch (ppi) |
512 MB |
| iPad (3rd) | 2048-by-1536
resolution at 264 pixels per inch (ppi) |
512 MB |
| iPad with retina (4th) | 2048-by-1536
resolution at 264 pixels per inch (ppi) |
1024 MB |
| iPhone | 480 × 320 px
(HVGA) at 163 ppi |
128 MB |
| iPhone 3G | 480
× 320 px (HVGA) at 163 ppi |
128 MB |
| iPhone 3GS | 480
× 320 px (HVGA) at 163 ppi |
512 MB |
| iPhone 4 | 960-by-640-pixel
resolution at 326 ppi |
512 MB |
| iPhone 4S | 960-by-640-pixel
resolution at 326 ppi |
512 MB |
| iPhone 5 | 1136-by-640-pixel
resolution at 326 ppi |
1024 MB |
CPU and GPU power
| CPU | GPU | |
| iPad | Apple
A4 (1 GHz ARM Cortex-A8) |
PowerVR SGX535 |
| iPad mini | Apple
A5 (1 GHz dual-core ARM Cortex-A9) |
PowerVR SGX543MP2 |
| iPad 2 | Apple A5 (1 GHz dual-core ARM Cortex-A9) |
PowerVR SGX543MP2 |
| iPad (3rd) | Apple A5X
(1 GHz dual-core ARM Cortex-A9) |
PowerVR SGX543MP4 (250MHz) |
| iPad with retina (4th) | Apple
A6X (1.4 GHz dual-core Apple Swift) |
PowerVR SGX554MP4 (300MHz) |
| iPhone | 620 MHz ARM 1176JZ(F)-S | PowerVR MBX Lite 3D (103 MHz) |
| iPhone 3G | 620 MHz ARM 1176JZ(F)-S | PowerVR MBX Lite 3D (103 MHz) |
| iPhone 3GS | 883 MHZ ARM Cortex-A8 | PowerVR SGX535 (150 MHz) |
| iPhone 4 | Apple A4 (1 GHz ARM Cortex-A8) |
PowerVR
SGX535 (200 MHz) |
| iPhone 4S | Apple A5 (1 GHz dual-core ARM Cortex-A9) |
PowerVR SGX543MP2 |
| iPhone 5 | Apple
A6 ( 1.3GHz Dual-core Apple Swift) |
PowerVR SGX543MP3 (333MHz) |
