Records up to 24 hours of crisp high definition video to a 64GB internal flash drive with Canon VIXIA HF S21 Dual Flash Memory Camcorder.
Capture stunning 1920 x 1080 high-definition video and 12 Megapixel still images with Sony HDR-CX550V 64GB High Definition Handycam Camcorder.
| Specification | Canon VIXIA HF S21 | Sony HDR-CX550V |
| Image Processor | DIGIC DV III | BIONZ |
| Sensor size | 1/2.6 inch | 1/2.88 inch |
| Sensor Type | CMOS | Exmor R CMOS |
| Optical Zoom | 10x | 10x |
| Digital Zoom | 200x | 120x |
| Lens | 6.4 - 64mm | 3.8 - 38mm |
| Aperture | F1.8-3.0 | F1.8-3.4 |
| Image Stabilization | Optical (Dynamic SuperRange) | Optical (Steady Shot) |
| Analog Video Format | NTSC | NTSC |
| Digital Video Format | AVCHD | AVCHD, MPEG-2 |
| White Balance | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Fluorescent H, Manual | Auto, Outdoor, Indoor, One Push |
| LCD | 3.5-inch High Resolution Touch Panel Widescreen Color LCD (922,000 dots) | 3.5-inch Xtra Fine LCD (921,000 dots) |
| Min Shutter Speed | 1/2 sec | 1/8 sec |
| Max Shutter Speed | 1/2,000 sec | 1/1,500 sec |
| Audio | Dolby Digital 2 channel (AC-3) | Dolby Digital 5.1 channel |
| Recording Media | SD, SDHC, SDXC Memory Card, 64GB Internal flash drive | SD, SDHC, SDXC Memory Card, Memory Stick PRO Duo, 64GB Internal flash drive |
| Connections | 1 HDMI 1 USB 1 Component video output 1 Composite video/audio output 1 Control-L (LANC) 1 Headphones 1 Microphone |
1 HDMI output 1 USB 1 Component video output 1 Composite video/audio output 1 S-Video output 1 Remote control 1 Headphones 1 Microphone |
| Battery | Canon BP-808 | Sony NP-FV50 |
| Dimensions | 2.9 x 3 x 5.8 inches | 2.9 x 2.6 x 5.6 inches |
| Weight | 16.6 ounces | 15.5 ounces |