Why is the HD 5830 1GB DDR5 hdmi cheaper than the HD 5770 on this website?
http://www.scan.co.uk/products/1gb-xfx-hd-5770-pci-e-21-(x16)-4800mhz-gddr5-gpu-850mhz-800-cores-2x-dvi-mini-dp-single-slot
http://www.scan.co.uk/products/1gb-xfx-hd-5830-pci-e-21-(x16)-4500mhz-gddr5-gpu-840mhz-1120-cores-dp-2xdl-dvi-i-hdmi
Which one would be the better buy?
http://www.scan.co.uk/products/1gb-xfx-hd-5770-pci-e-21-(x16)-4800mhz-gddr5-gpu-850mhz-800-cores-2x-dvi-mini-dp-single-slot
http://www.scan.co.uk/products/1gb-xfx-hd-5830-pci-e-21-(x16)-4500mhz-gddr5-gpu-840mhz-1120-cores-dp-2xdl-dvi-i-hdmi
Which one would be the better buy?