The Lumia 520 has a 4" display with 480 x 800 pixels. The Qualcomm MSM8227 chipset has a dual-core 1.0 GHz CPU and an adreno 305 GPU. There are 8GB of internal storage and 512MB of RAM. The primary camera is 5MP and there is no selfie camera. The 1430 mAh battery has 14 hours of talk time.