Compare detailed specifications, side-by-side differences, verified user reviews, and buying recommendations to help you make the right choice.
Deciding between the ViewSonic PJD7828HDL and the LG PH550 depends on your available space, storage capacity goals, and everyday usage style:
Designed for large households, bulk grocery shoppers, and long-term storage where total cubic feet is the highest priority.
Ideal for apartments, offices, dorms, or secondary kitchen use where space efficiency and neat organization are paramount.
| Specification | ViewSonic PJD7828HDL | LG PH550 |
|---|---|---|
| Lens | ||
| Lens Shift | vertical +/- 30% | — |
| Focal Length, Mm | 16.9 - 20.28 | — |
| F-number | 1.49 - 1.72 | — |
| Zoom Ratio | 1.1x | — |
| Properties | ||
| Projection Screen Size, Inch | 30 - 300 | 25 - 100 |
| Projection System | DLP | DLP |
| Pixel Number | 480000 | 921600 |
| Color Reproduction | 1.07 billion | 1.07 billion |
| Throw Ratio Range | 1.15 - 1.5 | 1.39:1 |
| Contrast Ratio | 20000:1 | 100000:1 |
| Brightness, Lumens | 3200 | 550 |
| Power Consumption, W | 300 | 60 |
| Aspect Ratio | 16:9 | 16:9 |
| Input Lag, Ms | 16 | 33 |
| Projection Distance, M/ft | 0.8 - 10/1.8 - 32.8 | 0.7 - 3.1/1.8 - 9.8 |
| Noise Level, DBA | 35 | — |
| Features | ||
| Projection Method | front, rear, ceiling mount, tabletop | front, rear, ceiling mount, tabletop |
| Security | Kensington lock, password protection | Kensington lock, password protection |
| 3D | No | Yes |
| Mouse Functions | Yes | No |
| REMOTE CONTROL | Yes | Yes |
| Connectivity | ||
| Audio Output (3.5mm) | 1 | 1 |
| Audio Input (3.5mm) | 1 | No |
| USB (service) | 1 | No |
| Audio Input (RCA) | 1 | No |
| USB | No | 1 |
| Composite Video Input (RCA) | 1 | 1 |
| 12V Trigger | No | No |
| VGA Input | 1 | 1 |
| RS232 (DB-9pin) | 1 | No |
| MHL | No | No |
| Ethernet (RJ45) | No | No |
| SPDIF (optical) | No | No |
| Audio | ||
| Integrated Speakers | Yes | Yes |
| Sound Type | mono | stereo |
| Speaker Power, W | 10 | 2 |
| Dimensions | ||
| Weight, Kg/pounds | 2.09/4.6 | 0.4/1.4 |
| Size W X H X D, сm/inches | 22.86 x 31.50 x 10.41/9 x 12.4 x 4.1 | 2.5 x 15.2 x 10.1/1.7 x 6.9 x 4.3 |
| Resolution | ||
| Resolution Abbreviation | Full HD | HD |
| Max Resolution (resized) | 1920 x 1080 | 1920 x 1080 |
| Native Resolution | 1920 x 1080 | 1280 x 720 |
| Video Compatibility | ||
| SECAM | Yes | Yes |
| PAL | Yes | Yes |
| NTSC | Yes | Yes |
| Operating Temperature | ||
| Max, C/F | 40/104 | 40/104 |
| Min, C/F | 5/41 | 0/32 |
| Settings | ||
| Keystone Adjustment Horizontal, +- Degrees | — | — |
| Keystone Adjustment Vertical, +- Degrees | 40 | — |
| Lamp | ||
| Lamp Life (eco Mode), Hours | 10000 | 30000 |
| Lamp Life (normal Mode), Hours | 4000 | 30000 |
| Lamp Type, W | 210 | — |
The main differences center around storage capacity, form factor, and convenience. The ViewSonic PJD7828HDL provides extensive bulk storage capacity best suited for homes, garages, or basements needing deep freeze space. In contrast, the LG PH550 offers a compact upright design that fits into smaller spaces with convenient shelf organization.
Chest-style freezers generally excel in thermal efficiency because cold air naturally settles at the bottom and does not escape when the lid is lifted. Compact upright models have lower total kilowatt-hour usage simply due to their smaller cubic volume, making both designs efficient for their respective intended purposes.
Both products are listed on Amazon with full manufacturer warranties, customer reviews, and fast delivery options. Click the "Check Price on Amazon" buttons in the comparison cards above to view today's latest promotions, verified customer ratings, and current availability.
Measure your available floor clearance first. If you have open space in a garage, basement, or utility room and want to freeze items in bulk, choose the ViewSonic PJD7828HDL. If you have limited room in a kitchen, apartment, dorm, or office and prefer easy eye-level access to items, choose the LG PH550.
