Comparison
ZU820TST vs PT-VMZ6ST
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A side-by-side look at how the Optoma ZU820TST and Panasonic PT-VMZ6ST compare on specs, accuracy, room requirements, and price. No hype — just the parts of the decision a buyer actually weighs.
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Buy ZU820TST
Prices confirmed Nov 10, 2026 · we check every retailer daily
Buy PT-VMZ6ST
Prices confirmed Nov 10, 2026 · we check every retailer daily
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Full specificationsEvery spec for both, line by line
Specifications
The numbers, lined up.
Image
| Spec | ZU820TST | PT-VMZ6ST |
|---|---|---|
| Resolution | WUXGA (1920×1200), 16:10 | WUXGA (1920×1200), 16:10; 3LCD (three 0.64-in panels); 4K input shown at 1920×1200 |
| Lumens | 8,100 (6,900 ANSI) to plan on; Optoma's US page and US datasheet say 8,200, its Australian page and 2023 datasheet 8,100 | 6,200 (ISO 21118 and ANSI; 6,600 center) |
- ResolutionZU820TSTWUXGA (1920×1200), 16:10PT-VMZ6STWUXGA (1920×1200), 16:10; 3LCD (three 0.64-in panels); 4K input shown at 1920×1200
- LumensZU820TST8,100 (6,900 ANSI) to plan on; Optoma's US page and US datasheet say 8,200, its Australian page and 2023 datasheet 8,100PT-VMZ6ST6,200 (ISO 21118 and ANSI; 6,600 center)
Hardware
| Spec | ZU820TST | PT-VMZ6ST |
|---|---|---|
| Light Source | DuraCore laser (30,000 hours) | Laser (20,000 hours to half brightness; 24,000 in Eco) |
| Throw Ratio | 0.75–0.95 (1.26× motorized zoom) | 0.797–1.01 (1.2× manual zoom, powered focus) |
| Lens Shift | Motorized; vertical ±50%, horizontal ±15% | Vertical +50% (one direction), horizontal ±20% |
| Dimensions | 19.13 × 15.53 × 7.3 in (W × D × H) | 16.3 × 16.69 × 6.57 in (W × D × H, with feet) |
| Models | — | PT-VMZ6STU7 (white) and PT-VMZ6STBU7 (black), identical specs |
- Light SourceZU820TSTDuraCore laser (30,000 hours)PT-VMZ6STLaser (20,000 hours to half brightness; 24,000 in Eco)
- Throw RatioZU820TST0.75–0.95 (1.26× motorized zoom)PT-VMZ6ST0.797–1.01 (1.2× manual zoom, powered focus)
- Lens ShiftZU820TSTMotorized; vertical ±50%, horizontal ±15%PT-VMZ6STVertical +50% (one direction), horizontal ±20%
- DimensionsZU820TST19.13 × 15.53 × 7.3 in (W × D × H)PT-VMZ6ST16.3 × 16.69 × 6.57 in (W × D × H, with feet)
- ModelsZU820TST—PT-VMZ6STPT-VMZ6STU7 (white) and PT-VMZ6STBU7 (black), identical specs
Requirements
| Spec | ZU820TST | PT-VMZ6ST |
|---|---|---|
| Throw Distance | 100 in (16:10) at about 5.3–6.7 ft (Optoma's manual) | 100 in (16:10) at about 5.6–7.1 ft (Panasonic's throw table: 1.72–2.18 m) |
- Throw DistanceZU820TST100 in (16:10) at about 5.3–6.7 ft (Optoma's manual)PT-VMZ6ST100 in (16:10) at about 5.6–7.1 ft (Panasonic's throw table: 1.72–2.18 m)
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