In testing conducted by AMD performance labs the 2011 Low Power platform reference design "Zacate" E-350 demonstrated up to 658 minutes or 10.96 hours "all-day" battery life while idle and up to 258 minutes or 4.34 hours as an "active" metric using 3DMark '06. The reference design consisted of a AMD Dual-Core Processor E-350, 1.6Ghz 2C, 4GB (2x2GB) DDR3-1066 system memory 11.6" display @ 1366x768, Windows 7 Ultimate 64-bit, 62Whr Li-Ion battery. The 2011 AMD C-50 Dual-Core Accelerated Processor demonstrated up to 735 minutes or 12.15 hours "all-day" battery life while idle and up to 378 minutes or 6.18 hours as an "active" metric using 3DMark '06. The reference design consisted of a an AMD Dual-Core processor C-50 1.0Ghz 9W, 2GB (1x2GB) DDR3-1066 system memory, AMD Radeon™ HD 6250 Graphics with 10.1" @ 1024x600, 6-cell Li-Ion, 62.2 Whr battery. LED Backlight Windows 7 Home Premium 64-bit. All testing performed using a 6-cell Li-Ion, 62.2 Whr battery. AMD defines "all day" battery life as 8+ hours of idle time.