Which one has more punch?
SAPPHIRE 100281-3SR Radeon HD 5870 (Cypress XT) 1GB 256-bit DDR5 PCI Express 2.0 x16 HDCP Ready CrossFireX Support Video Card w/ Eyefinity
XFX HD-587A-ZND9 Radeon HD 5870 XXX Edition Video Card - 1GB GDDR5, PCI-Express 2.0, CrossFireX Ready, Dual DVI, Display Port, HDMI
XFX HD-587X-ZNDC Radeon HD 5870 (Cypress XT) XXX Edition 1GB 256-bit DDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card w/ Eyefinity
SAPPHIRE 100281-3SR Radeon HD 5870 (Cypress XT) 1GB 256-bit DDR5 PCI Express 2.0 x16 HDCP Ready CrossFireX Support Video Card w/ Eyefinity
XFX HD-587A-ZND9 Radeon HD 5870 XXX Edition Video Card - 1GB GDDR5, PCI-Express 2.0, CrossFireX Ready, Dual DVI, Display Port, HDMI
XFX HD-587X-ZNDC Radeon HD 5870 (Cypress XT) XXX Edition 1GB 256-bit DDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card w/ Eyefinity