It is well known that yesterday presented version of GeForce GTX 1060 3 GB memory lost not only half of GDDR5 volume, but also the graphics processing function blocks. The frequencies and memory bus is not affected, even the TDP value remained unchanged.
AnandTech, estimated the loss of memory capacity, the number of stream processors and texture sampling units were expressed in reducing the average level of graphics performance by 5% compared with 6 GB option GeForce GTX 1060.
Manufacturer compares GeForce GTX 1060 3 GB memory with an older version Radeon RX 480, having 8 GB of memory - According to NVIDIA, the first graphics card 10% faster than the last.