Nvidia's GeForce 920MX is equipped with 256 CUDA cores and a 64-bit bus. Its DDR3 variant has a core clock of 965MHz and the GDDR5 version is clocked at 926MHz.

Nvidia has refreshed its line up of entry level mobile GPUs, replacing the old M series with a new MX line up of 940, 930 and 920 parts. ... Named the 920MX, 930MX and 940MX, ...