MSI AMD Radeon R9 290 and MSI AMD Radeon R9 280X are both graphics cards with the same GPU Interface (PCIe x16), GPU Memory Type (GDDR5) and Power Connectors (1 PCIe 8-pin + 1 PCIe 6-pin). The main differences are in GPU Gaming Performance (Rasterization) (+31%), GPU Chipset, GPU Memory Size and GPU Memory Interface.
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