Which is more reliable and better
G.skill RipjawsX 8GB (4GB x 2) DDR3-1866 RAM Memory Module (F3-14900CL9D-8GBXL
Or Corsair Vengeance Blue 8 GB (2X4 GB) PC3-12800 1600mHz DDR3 240-Pin SDRAM Dual Channel Memory Kit CMZ8GX3M2A1600C9B?
G.skill RipjawsX 8GB (4GB x 2) DDR3-1866 RAM Memory Module (F3-14900CL9D-8GBXL
Or Corsair Vengeance Blue 8 GB (2X4 GB) PC3-12800 1600mHz DDR3 240-Pin SDRAM Dual Channel Memory Kit CMZ8GX3M2A1600C9B?