This product in my use dell laptop is very fast so I chosen this product for all my friends
The golden mean. With its Inspiron 15R-5521, Dell shows a rather unusual combination of energy-saving ULV processor and dedicated middle class GPU. The efficient components do not only indicate a moderate energy demand, but also a long battery life. We have tested the top-class model with AMDs brand new Radeon HD 8730M.
Dell Inspiron 15R-5521
On its German homepage, Dell currently offers five different versions of the Inspiron 15R-5521. The two less expensive versions are equipped with the fast 1.8 GHz Core i3-3217U, whereas the more expensive ones use the more powerful Core i5-3317U which works at a frequency of 2.6 GHz maximum.
Dell Inspiron 15R-5521 449 Euro 499 Euro 549 Euro 599 Euro 649 Euro
Processor Intel Core i3-3217U Intel Core i3-3217U Intel Core i5-3317U Intel Core i5-3317U Intel Core i5-3317U
Graphics card Intel HD Graphics 4000 AMD Radeon HD 7670M AMD Radeon HD 7670M AMD Radeon HD 7670M AMD Radeon HD 8730M
Internal memory 4 GB DDR3(1.600 MHz) 6 GB DDR3(1.600 MHz) 4 GB DDR3(1.600 MHz) 6 GB DDR3(1.600 MHz) 8 GB DDR3(1.600MHz)
Hard disk 540 GB(5.400 U/Min) 540 GB(5.400 U/Min) 540 GB(5.400 U/Min) 1.000 GB(5.400 U/Min) 1.000 GB(5.400 U/Min)
Optical drive DVD burner DVD burner DVD burner DVD burner DVD burner
Display 1.366 x 768(Glare) 1.366 x 768(Glare) 1.366 x 768(Glare) 1.366 x 768(Glare) 1.366 x 768(Glare)
Battery 4 cells(40 Wh) 6 cells(65 Wh) 6 cells(65 Wh) 6 cells(65 Wh) 6 cells(65 Wh)
Operating system Windows 8 64 Bit Windows 8 64 Bit Windows 8 64 Bit Windows 8 64 Bit Windows 8 64 Bit