gtx 660 ddr3 192 bit 3gb
The GPU of the "Kepler" family based on the GK106 manufactured in 28 nm chip with 960 shader units and 1006 MHz (1072 MHz Boost). Of 3072 MB of DDR3 memory is connected via a through 192-bit memory controller, and works with 1527 MHz (effective data rate of 6108 MHz).
gtx 650 ti ddr5 128 bit 2gb
1032 MHz. 2 GB of GDDR5 memory is connected via a 128-bit memory controller and operates at 1350 MHz (5400 MHz effective data rate)
The GPU of the "Kepler" family based on the GK106 manufactured in 28 nm chip with 960 shader units and 1006 MHz (1072 MHz Boost). Of 3072 MB of DDR3 memory is connected via a through 192-bit memory controller, and works with 1527 MHz (effective data rate of 6108 MHz).
gtx 650 ti ddr5 128 bit 2gb
1032 MHz. 2 GB of GDDR5 memory is connected via a 128-bit memory controller and operates at 1350 MHz (5400 MHz effective data rate)