Specifications comparison Vizio SV421XVT vs Vizio XVT373SV
| Vizio SV421XVT | Vizio XVT373SV | |
| VIDEO | ||
| Screen Size | 42.0" Diagonally | 37.0" Diagonally |
| Display Type | Wide Color Gamut-CCFL | LED Edge-lit |
| Resolution | 1080p | 1080p |
| Contrast Ratio | 50,000:1 | 1,000,000:1 |
| Response Time | 4 ms | 5 ms |
| Refresh Rate | 240Hz | 120Hz |
| Native Resolution | 1920 x 1080 | 1920 x 1080 |
| AUDIO | ||
| Sound Effect System | SRS TruSurround HD | SRS TruSurround HD |
| Sound Output | 15W x 2 | 10W x 2 |
| INPUT & OUTPUT | ||
| HDMI | 3 rear + 1 side | 3 rear + 1 side |
| Composite (AV) | 1 side | 1 rear |
| Component | 1 rear + 1 side | 1 rear |
| USB 2.0 | 1 side | 3 side |
| Ethernet | - | 1 rear |
| PC input | 1 rear | 1 rear (common with HDMI 1) |
| RF Connector | 1 rear | 1 rear |
| Optical Digital Audio Output | 1 rear | 1 rear |
| Headphone Out | - | - |
| FEATURES | ||
| Picture-in-Picture | Yes | Yes |
| Game Mode | - | - |
| Swivel Stand | - | - |
| SYSTEM | ||
| Tuner | NTSC/ATSC/Clear QAM | ATSC/Clear QAM |
| DIMENSION | ||
| Set size(WXHXD) with stand | 39.4” x 27.2” x 9.5” | 35.8” x 25.2” x 8.7” |
| Set size(WXHXD) without stand | 39.4” x 25.7” x 3.8” | 35.8” x 23.5” x 2.0” |
| Package size(WXHXD) | - | - |
| WEIGHT | ||
| Set weight with stand | 38.1 lbs. | 30.9 lbs. |
| Set weight without stand | 35.7 lbs. | 28.7 lbs. |
| Package weight | 51.5 lbs. | 38.4 lbs. |
| REVIEWS | ||
| Links to Consumer Reviews | Read Reviews | Read Reviews |
| COMPARE PRICES | Where to Buy | Where to Buy |
| List price | Check best price from retails below | Check best price from retails below |

