RayTracer Benchmark used raytracing for analysing Dalvik/ART VM performance in float calculation.
There are not native code or assembly (no NDK).
You can compare your results with some others Android devices (Motorola X 2014, Nexus 4, Nexus 7 LTE, HTC Desire, Desire HD, Sensation, Samsung Galaxy S, S2 S3, Asus TF101, Acer A500, Dell Streak 7, ZTE Blade S...)
Multi-threading have been added for device under Android 5.0 and upper.