I did a quick test on an SQL Express 2016 instance and can confirm the differences are not as drastic as they use to be.

SQL Server 13.0.2151 (express)

16 Gb Memory

Windows 10 enterprise (reported as windows NT 6.3 10586)

3.6 GHz 4 core, 8 logical

The timing results were:

CPUElapsed

109102Statistics Time Baseline

13121470Statistics Time Function

1300Measured Time Function

110Measure Time iTVF

104Measured Time Baseline

4.81%-1.92%Baseline Difference

0.92%13.08%Function Difference

I've the the differences between both the CPU and Elapsed measurements.