Dell OptiPlex 5055 Ryzen APU Tower Owners Manual - Page 57

Table 4. Key Specifications (continued) Specification AMD Radeon R7 M450 Technology DDR3 SDRAM Max External Resolution 1920 x 1080 Interface Type PCI Express 3.0 x16 AMD Radeon R5 M430 The AMD Radeon R5 M430 is an entry level graphics card for laptops. It is based on the older Radeon R5 M330 / M335 or R7 M340. Key Specifications The following table contains the key specifications of the AMD Radeon R5 M430: Table 5. Key Specifications Specification Radeon R5 M400 Series AMD Radeon R5 M430 Radeon R5 M430 Codename Sun XT Architecture GCN Pipelines 320 - unified Memory Bus Width 64 Bit Shared Memory No Technology 28 nm DirectX DirectX 12 DDR4 DDR4 (double data rate fourth generation) memory is a higher-speed successor to the DDR2 and DDR3 technologies and allows up to 512 GB in capacity, compared to the DDR3's maximum of 128 GB per DIMM. DDR4 synchronous dynamic random-access memory is keyed differently from both SDRAM and DDR to prevent the user from installing the wrong type of memory into the system. DDR4 needs 20 percent less or just 1.2 volts, compared to DDR3 which requires 1.5 volts of electrical power to operate. DDR4 also supports a new, deep power-down mode that allows the host device to go into standby without needing to refresh its memory. Deep power-down mode is expected to reduce standby power consumption by 40 to 50 percent. DDR4 Details There are subtle differences between DDR3 and DDR4 memory modules, as listed below. Key notch difference The key notch on a DDR4 module is in a different location from the key notch on a DDR3 module. Both notches are on the insertion edge but the notch location on the DDR4 is slightly different, to prevent the module from being installed into an incompatible board or platform. Technology and components 57