各设备内存信息
Device Processor Graphics Resolution Memory (RAM)
iPhone/iPod touch first 412 MHz PowerVR MBX 480 320 128MB generation
viPhone 3G 412 MHz PowerVR MBX 480 320 128MB
iPod touch second 533 MHz PowerVR MBX 480 320 128MB generation533 MHz
iPhone 3GS/iPod touch third 600 MHz PowerVR 480 320 256MB generation SGX535
iPad 1 GHz PowerVR 1024768 256MB SGX535
iPhone 4 800 MHz PowerVR 960 640 512MB SGX535
iPod touch fourth generation 800 MHz PowerVR 960 640 256MB SGX535
iPad 2 2x 900 PowerVR 1024768 512MB MHz SGX543
应用实际可用内存大小
Installed Memory Available Memory Memory Warning Threshold
128MB 35MB to 40MB 20MB to 25MB
256MB 120MB to 150MB 80MB to 90MB
512MB 340MB to 370MB 260MB to 300MB (estimated)
后续新设备内存会持续更新。