NVIDIA Jetson Nano: A Feature-Packed Arm Developer Kit For $99 USD
The Jetson Nano GPU performance should be roughly in line with the Jetson TX1 given the Maxwell GPU. Unfortunately TX1 JetPack issues prevented that comparison in time for launch day, but overall the performance of the Jetson Nano with CUDA isn't bad when considering it's sub-$100 and even the Jetson TX2 still retails for $599 USD.
For those wondering about OpenGL performance, the Jetson Nano can score almost 650 at 1080p with GLMark2. Meanwhile most low-cost ARM SBCs don't even ship with working ARM (binary) graphics drivers by default.
For the price, the Jetson Nano TensorRT inference performance is looking very good.