Looks like a good choice. Below is a short list of spec comparisons between the Sony HDR-CX440 and the Canon VIXIA HF R600
Sensor Size:
HDR-CX440 - 1/5.8"
VIXIA HF R600 - 1/4.85"
The Canon will probably have better low-light performance due to the larger sensor size.
Effective Pixels:
HDR-CX440 - Effective Picture Resolution : Approx. 2290K pixels (16:9) / Approx. 1710K pixels (4:3)
VIXIA HF R600 - 2,073,600 pixels (Video), 2,073,600 (Photo)
Maximum Aperture:
HDR-CX440 - F1.8-F4.0
VIXIA HF R600 - f/ 1.8 - f/ 4.5
Optical Zoom:
HDR-CX440 - 30X
VIXIA HF R600 - 32X
Video Resolution:
HDR-CX440
Video Resolution : HD:1920x1080/60p (PS), 60i (FX,FH), 1440x1080/60i (HQ,LP); MP4: 1280x720 30p; XAVC S...