The Radeon 550X 640SP was a graphics card by AMD, launched on April 11th, 2018. Built on the 14 nm process, and based on the Lexa graphics processor, in its Lexa PRO variant, the card supports DirectX 12. This ensures that all modern games will run on Radeon 550X 640SP. The Lexa graphics processor is an average sized chip with a die area of 103 mm² and 2,200 million transistors. It features 640 shading units, 40 texture mapping units, and 16 ROPs. AMD has paired 4 GB GDDR5 memory with the Radeon 550X 640SP, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 1019 MHz, which can be boosted up to 1071 MHz, memory is running at 1500 MHz (6 Gbps effective). Its power draw is rated at 50 W maximum. Display outputs include: 1x DVI, 1x HDMI 2.0b, 1x DisplayPort 1.4a. Radeon 550X 640SP is connected to the rest of the system using a PCI-Express 3.0 x8 interface.