SAPPHIRE HD6450

ModelBrandSAPPHIREModel100322LInterfaceInterfacePCI Express 2.1 x16ChipsetChipset ManufacturerAMDGPURadeon HD 6450Core Clock625MHzStream Processors160 Stream ProcessorsMemoryEffective Memory Clock1334MHzMemory Size1GBMemory Interface64-BitMemory TypeDDR33D APIDirectXDirectX 11OpenGLOpenGL 4.1PortsHDMI1 x HDMID-SUB1 x D-SUBDVI1 x DVIGeneralRAMDAC400 MHzMax Resolution2560 x 1600CrossFireX SupportNoCoolerFanlessDual-Link DVI SupportedYesHDCP ReadyYesCard Dimensions5.75" x 3.7"

SAPPHIRE HD7750

ModelBrandSAPPHIREModel100357LPForm FactorLow ProfileInterfaceInterfacePCI Express 3.0 x16ChipsetChipset ManufacturerAMDGPURadeon HD 7750Core Clock800MHzStream Processors512 Stream ProcessorsMemoryEffective Memory Clock1125MHz (4.5Gbps)Memory Size1GBMemory Interface128-bitMemory TypeGDDR53D APIDirectXDirectX 11OpenGLOpenGL 4.2PortsHDMI1 x micro HDMIDisplayPort1 x Mini DisplayPortDVI1 x DVIGeneralRAMDAC400 MHzEyefinity SupportYesCrossFireX SupportNoCoolerWith FanSystem RequirementsMinimum of a 400 Watt power supply.Dual-Link DVI SupportedYesHDCP ReadyYesCard Dimensions6.69" x 2.64" x 0.71"FeaturesFeaturesAMD EyefinityAMD Stream TechnologyAMD HD3D TechnologyAMD PowerTune TechnologyAMD PowerPlay with ZeroCore Power...

SAPPHIRE HD7770

SAPPHIRE HD7790

ModelBrandASUSModelHD7790-DC2OC-1GD5InterfaceInterfacePCI Express 3.0ChipsetChipset ManufacturerAMDGPURadeon HD 7790Core Clock1075MHzStream Processors896 Stream ProcessorsMemoryEffective Memory Clock6400MHzMemory Size1GBMemory Interface128-BitMemory TypeGDDR53D APIOpenGLOpenGL 4.2PortsHDMI1 x HDMIDisplayPort1 x DisplayPortDVI2 x DVIGeneralMax Resolution2560 x 1600Eyefinity SupportYesCrossFireX SupportYesCoolerWith FanSlot WidthDual SlotSystem Requirementsup to 150W Power ConsumptionPower Connector6-PinDual-Link DVI SupportedYesHDCP ReadyYesCard Dimensions8.5" x 5.1" x 1.5"FeaturesFeaturesASUS DirectCU II thermal design provides 20% cooler and vastly quieter performance.OC-Edition provides smoother gameplay.GPU TWEAK...