CREATE TABLE table_34716 ("Model" TEXT, "Processor" TEXT, "Memory" TEXT, "Storage" TEXT, "Graphics" TEXT, "VRAM" TEXT, "Display resolution" TEXT, "MSRP" TEXT)

Which graphics spec has a VRAM spec of 512MB?
SELECT "Graphics" FROM table_34716 WHERE "VRAM" = '512mb'
SELECT "Graphics" FROM "table_34716" WHERE "VRAM" = '512mb'