Mobile GPU

Sapphire Radeon HD 4770 512MB GDDR5 PCI-E HDMI is a desktop graphics processing unit, based on ATI Radeon HD 4770. The GPU utilizes Unified Superscalar Shader architecture, and it is produced on 40 nm technology. The card has 750 MHz graphics clock frequency. Furthermore, it has 640 stream processors, 32 texture units, as well as 16 color ROPs. The Radeon HD 4770 512MB GDDR5 PCI-E HDMI comes with 512 MB of GDDR5 memory, clocked at 800 MHz. It has a 128 bit wide memory interface, which results in 51.2 GB/s memory bandwidth. The GPU supports PCI Express 2.0 interface, and uses 2 motherboard slots. The maximum power consumption of this model is 80 Watt, on a par with the reference design.

Please see below for detailed specifications of the card.

Sapphire Radeon HD 4770 512MB GDDR5 PCI-E HDMI GPU specifications