Comparison
PowerLite L790SE vs ZK810TST
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A side-by-side look at how the Epson PowerLite L790SE and Optoma ZK810TST compare on specs, accuracy, room requirements, and price. No hype — just the parts of the decision a buyer actually weighs.
Also worth a look
More comparisons with the PowerLite L790SE and ZK810TST
Buy PowerLite L790SE
Prices confirmed Nov 10, 2026 · we check every retailer daily
Buy ZK810TST
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 | PowerLite L790SE | ZK810TST |
|---|---|---|
| Resolution | WUXGA (1920×1200) 3LCD with 4K Enhancement (pixel shift, about 4.6 million pixels; not native 4K) | 4K UHD (3840×2160) |
| Lumens | 7,000 (ISO 21118; color light output the same) | 8,500 (7,200 ANSI) |
- ResolutionPowerLite L790SEWUXGA (1920×1200) 3LCD with 4K Enhancement (pixel shift, about 4.6 million pixels; not native 4K)ZK810TST4K UHD (3840×2160)
- LumensPowerLite L790SE7,000 (ISO 21118; color light output the same)ZK810TST8,500 (7,200 ANSI)
Hardware
| Spec | PowerLite L790SE | ZK810TST |
|---|---|---|
| Light Source | Laser (20,000 hours normal, 30,000 Extended) | DuraCore MultiColor laser (30,000 hours) |
| Throw Ratio | 0.79–1.36 (1.7× manual zoom) | 0.65–0.75 (1.15× motorized zoom) |
| Lens Shift | Vertical ±50%, horizontal ±20% (vertical about ±12% at full horizontal shift) | Motorized; vertical ±50%, horizontal ±18% (datasheet; the page says ±55% / ±25%) |
| Models | L790SE (white, V11HB26020) and L795SE (black, V11HB26120), identical specs | — |
| Dimensions | 17.32 × 14.25 × 5.94 in (W × D × H, including feet) | 19.13 × 17.03 × 7.3 in (W × D × H, datasheet) |
- Light SourcePowerLite L790SELaser (20,000 hours normal, 30,000 Extended)ZK810TSTDuraCore MultiColor laser (30,000 hours)
- Throw RatioPowerLite L790SE0.79–1.36 (1.7× manual zoom)ZK810TST0.65–0.75 (1.15× motorized zoom)
- Lens ShiftPowerLite L790SEVertical ±50%, horizontal ±20% (vertical about ±12% at full horizontal shift)ZK810TSTMotorized; vertical ±50%, horizontal ±18% (datasheet; the page says ±55% / ±25%)
- ModelsPowerLite L790SEL790SE (white, V11HB26020) and L795SE (black, V11HB26120), identical specsZK810TST—
- DimensionsPowerLite L790SE17.32 × 14.25 × 5.94 in (W × D × H, including feet)ZK810TST19.13 × 17.03 × 7.3 in (W × D × H, datasheet)
Requirements
| Spec | PowerLite L790SE | ZK810TST |
|---|---|---|
| Throw Distance | 100 in (16:10) at about 5.7–9.6 ft (Epson's throw table: 1.72–2.94 m) | 100 in at about 4.7–5.4 ft, from the ratio |
- Throw DistancePowerLite L790SE100 in (16:10) at about 5.7–9.6 ft (Epson's throw table: 1.72–2.94 m)ZK810TST100 in at about 4.7–5.4 ft, from the ratio
Performance
| Spec | PowerLite L790SE | ZK810TST |
|---|---|---|
| Input Lag | — | 16.8 ms at 4K/60Hz and 4.5 ms at 1080p/240Hz with Gaming Mode on; up to 50.2 ms with it off (Optoma's manual) |
- Input LagPowerLite L790SE—ZK810TST16.8 ms at 4K/60Hz and 4.5 ms at 1080p/240Hz with Gaming Mode on; up to 50.2 ms with it off (Optoma's manual)
Room planner
See each one in your sim room.
The planner draws each unit to scale with your room and your swing: where it mounts, the throw it needs, and whether your shadow crosses the light. Put in your room once, then switch units in the planner to compare.
Persona fitWho each one is better for
Who each one is better for
Honest persona fit, side by side.
Better for ZK810TST
- Showroom
4K, a short throw, 7,200 ANSI lumens and motorized lens shift in one unit: the projector for a very large showroom screen in a lit room, at a price to match.
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