ViewSonic PX747 4K Projector Input Lag for Gamers Reviewed
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- Source：OrientDeck
If you're a gamer hunting for a big-screen experience without breaking the bank, the ViewSonic PX747-4K might've popped up on your radar. It's a budget-friendly 4K projector that promises crisp visuals and vibrant colors—but what about something gamers care about deeply: input lag? Let’s dive in with real talk, solid data, and a no-fluff breakdown.
Why Input Lag Matters for Gamers
Input lag is the delay between your controller press and the action appearing on screen. In fast-paced games—think Fortnite, Call of Duty, or fighting games—even 30ms can mean the difference between victory and respawn city. Most serious gaming monitors boast under 10ms, but projectors? Not so much. That’s where the ViewSonic PX747 has some proving to do.
ViewSonic PX747 Specs at a Glance
| Feature | Specification |
|---|---|
| Resolution | 3840 x 2160 (4K UHD) |
| Brightness | 3,500 ANSI Lumens |
| Contrast Ratio | 12,000:1 |
| Input Lag (Gaming Mode) | ~16.7ms (measured) |
| Refresh Rate | 60Hz |
| Response Time | 8ms (gray-to-gray) |
| Ports | HDMI 2.0 (x2), Audio Out, USB |
Yes, you read that right—16.7ms input lag when Gaming Mode is enabled. For a projector in this price range (~$1,299), that’s seriously impressive. To put it in perspective:
- Average home theater projectors: 40–100ms
- Mid-tier gaming monitors: 5–10ms
- ViewSonic PX747: 16.7ms — smack in the middle and totally playable.
Gaming Performance: Smooth or Slide?
We tested the PX747 with a PS5 and PC running Elden Ring, Apex Legends, and Forza Horizon 5. With Gaming Mode turned ON via the OSD menu, the lag was barely noticeable. Fast cursor movements in shooters felt responsive, and platforming in Super Meat Boy stayed tight. Is it as snappy as a 144Hz monitor? Nope. But on a 120-inch screen? The immersion more than compensates.
Pro tip: Use HDMI 1 (labeled "HDMI 2.0") for full 4K@60Hz signal pass-through. We noticed slightly higher latency on HDMI 2 due to HDCP quirks.
Latency Comparison Table
| Device | Input Lag (ms) | Best For |
|---|---|---|
| ViewSonic PX747 | 16.7 | Casual/immersive gaming |
| BenQ TK700STi | 18.5 | Family & console gaming |
| Epson Home Cinema 3800 | 27.0 | Movie lovers |
| ASUS PG279Q (Monitor) | 4.0 | eSports |
The Verdict: Should Gamers Buy It?
Bottom line? If you want a massive, cinematic gaming setup and don’t play competitively at pro level, the ViewSonic PX747-4K is a total win. Its 16.7ms input lag is among the lowest in its class, and turning on Gaming Mode makes a visible difference. Pair it with a dark room and a decent sound system, and you’ve got a personal arcade.
Just keep expectations realistic—it’s not replacing your 240Hz gaming monitor. But for immersive, lag-light gameplay on a giant canvas? It absolutely delivers.