Epson Home Cinema 3800
#28 in 4KFull review
A bright 3LCD home theater projector with flexible placement, for movie rooms more than fast gaming.
Amazon $1,629.99$1,629.99
The Epson Home Cinema 3800 rates 3.5 among 4K projectors; the HAPPRUN K7 Pro Google TV rates 3.2 among native 1080p ones. The HAPPRUN K7 Pro Google TV costs $1,130.01 less ($499.98 vs $1,629.99).
HAPPRUN K7 Pro Google TV
#79 in Native 1080pFull review
A Google TV projector with streaming and auto setup in one box for movie nights. Its 3,000 ANSI rating isn’t credible, so expect a dimmer picture than the listing suggests.
Amazon $499.98$499.98
Prices were last checked October 29, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different type classes (4K and native 1080p), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Epson Home Cinema 3800 | HAPPRUN K7 Pro Google TV |
|---|---|---|
| Overall rating | 3.5/5 | 3.2/5 |
| Brightness 25% | 86 3,000 ISO 21118 lumens | 0 listed 3,000 lumens rating not credible |
| Value 15% | 86 $0.54 per lumen | 50 no rated brightness (neutral score used) |
| Resolution 10% | 100 4K (pixel shift) | 100 1920 x 1080 native |
| Streaming 15% | 0 no built-in apps; needs a streaming stick | 100 Google TV with licensed Netflix |
| Setup 10% | 40 1.6x zoom, lens shift | 60 Autofocus, auto keystone |
| Light life 10% | 6 5,000 hour lamp | 50 light source life not published (neutral score used) |
| Gaming 10% | 50 input lag not published (neutral score used) | 50 input lag not published (neutral score used) |
| Warranty 5% | 50 2-year warranty | 0 1-year warranty |
Independent measurements
Epson Home Cinema 3800
| Tested by | Brightness | Input lag | Contrast | Conditions |
|---|---|---|---|---|
| ProjectorCentral | 2,912 lm | 20.6 ms | - | 2,912 ANSI lumens in Dynamic mode, High power (1,615 Natural Eco, 1,204 Cinema Eco). Lag 20.6 ms at 4K, 28 ms at 1080p. |
HAPPRUN K7 Pro Google TV
No independent test published yet.
Specifications
| Epson Home Cinema 3800 | HAPPRUN K7 Pro Google TV | |
|---|---|---|
| Picture | ||
| Brightness | 3,000 ISO 21118 | 3,000 ANSI (listed, not credible) |
| Native resolution | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) |
| Picture resolution | 4K (pixel shift from 1920x1080) | 1080p |
| Display | 3LCD | - |
| Light source | lamp | - |
| Light source life | 5,000 hours | - |
| HDR | HDR10, HLG | HDR10+ |
| Dynamic contrast | 100,000:1 | - |
| Placement | ||
| Throw | Standard throw (1.3:1) | Standard throw |
| Largest image | 300 in | 300 in |
| Autofocus | No | Yes |
| Auto keystone | No | Yes |
| Obstacle avoidance | No | - |
| Auto screen fit | No | - |
| Optical zoom | 1.6x | - |
| Lens shift | Horizontal and vertical | - |
| Streaming and gaming | ||
| Built-in apps | None | Google TV, licensed Netflix |
| Top refresh rate | 60 Hz | - |
| HDMI ports | 2 | - |
| Speakers | 20 W | 20 W |
| Build | ||
| Battery | None | None |
| Fan noise | 35 dB | - |
| Power | 406 W | - |
| Dimensions | 16.1 x 13.0 x 6.5 in (W x D x H) | 11.4 x 4.5 x 10.4 in |
| Weight | 15.2 lb | 7.1 lb |
| Warranty | 2 years | 1 years |
| Released | 2019-10 | 2026-08 |