Model: CS868 by Kimdecent and Jesurun
The CS868 is powered by the AllWinner A31 which is a much slower CPU than the Rockchip RK3188. However, it has a pretty decent GPU. In theory, the PowerVR 544MP2 GPU should perform better than the Mali400 MP4 that is usually used with the Rockchip CPUs.
Read the good review on the CS868 by CNX Software .