What is a good input lag for a gaming projector?

Under 16ms is excellent — imperceptible even in competitive shooters. 16-30ms is fine for casual and single-player gaming. Over 30ms is noticeable in fast games, and over 50ms feels sluggish. The best gaming projectors reach 4-9ms in their game modes at 1080p/120Hz or 240Hz.

Do projectors have more input lag than TVs?

Not necessarily. Dedicated gaming projectors (BenQ TK/TH/X series, Optoma HD/GT/UHD series, ViewSonic PX series) reach 4-16ms in game mode — matching or beating many gaming TVs. The catch: general home-theater projectors without a game mode can exceed 50-100ms because of picture processing. Always enable game/low-latency mode.

Does 4K increase projector input lag?

Usually yes, moderately. Many gaming projectors post their lowest lag at 1080p/120Hz or 240Hz (4-8ms) and slightly higher at 4K/60Hz (16ms typical). That's why competitive players often run consoles in 1080p performance mode on a projector, reserving 4K for single-player games.

Are there 120Hz and 240Hz projectors?

Yes. Most dedicated gaming projectors support 1080p at 120Hz (BenQ TH575, TH685P, TK700) and several reach 1080p/240Hz (BenQ TK710, X3100i, ViewSonic PX701-4K). True 4K/120Hz requires full HDMI 2.1 bandwidth, which remains rare on projectors.

Projector Input Lag Database (July 2026)

Every projector in our catalog with a verified game-mode input lag number — manufacturer-rated, ranked fastest first, with live Amazon pricing. We only list numbers we can source; projectors without a documented figure aren't shown, rather than padded with guesses.

≤10ms: Esports-ready11-17ms: Excellent (all console gaming)18-30ms: Good (casual)30ms+: Noticeable in fast games

Shopping for a console? See the best projectors for PS5 or all gaming projectors. On a budget? Start with budget gaming projectors under $800.

Input Lag Rankings (Fastest First)

#	Projector	Input Lag (Game Mode)	Verdict	Resolution	Price Today
1	Optoma UHD38X 4K UHD Projector with High Dynamic Range - WhiteOptoma	4ms	Esports-ready	4K	$999	Check Price →
2	BenQ X500i True 4K UHD HDR 4LED 2200 Lumens Short Throw Console Gaming Projector 4ms Response Time Auto Game Mode XboxBenQ · Short throw	4ms	Esports-ready	4K	$1,499	Check Price →
3	BenQ TK710 4K Laser 3200 Lumens Movie and Gaming Projector with 4ms Response TimeBenQ	4ms	Esports-ready	4K	$1,699	Check Price →
4	BenQ TK710STi 4K HDR Laser 3200 Lumens Movie and Gaming Short Throw Projector with 4ms Response TimeBenQ · Short throw	4ms	Esports-ready	4K	$1,899	Check Price →
5	Optoma UHZ50e True 4K UHD Projector with Enhanced Gaming Mode 4ms Input Lag - HDR and HLG InputOptoma	4ms	Esports-ready	4K	$2,507.91	Check Price →
6	ViewSonic PX701-4K UHD 4K Projector with 3200 LumensViewSonic	4.2ms	Esports-ready	4K	$979.99	Check Price →
7	ViewSonic PX749-4K UHD 4K Gaming Projector Designed for Xbox with 4.2ms Response TimeViewSonic	4.2ms	Esports-ready	4K	$1,192.5	Check Price →
8	ViewSonic LX700-4K UHD 3500 Lumens Laser Projector Designed for Xbox with 4.2ms Response TimeViewSonic	4.2ms	Esports-ready	4K	$1,577.89	Check Price →
9	BenQ X3100i True 4K UHD 4LED Gaming ProjectorBenQ	4.2ms	Esports-ready	4K	$1,799	Check Price →
10	ViewSonic X2-4K UHD Short Throw Projector Designed for Xbox with Cinematic ColorsViewSonic · Short throw	4.2ms	Esports-ready	4K	$1,889	Check Price →
11	Optoma EH401 Compact Standard Throw Professional ProjectorOptoma	8ms	Esports-ready	1080p	$679.77	Check Price →
12	BenQ TH685PBenQ	8.3ms	Esports-ready	1080p	$798	Check Price →
13	Optoma HD28HDR 1080p Home Theater Projector for Gaming and MoviesOptoma	8.4ms	Esports-ready	1080p	$860	Check Price →
14	Optoma GT1080HDRx Short Throw Gaming ProjectorOptoma · Short throw	8.4ms	Esports-ready	1080p	$865	Check Price →
15	Optoma GT1080HDR Short Throw Gaming ProjectorOptoma · Short throw	8.4ms	Esports-ready	1080p	$899	Check Price →
16	Optoma HD39HDR High Brightness HDR Home Theater ProjectorOptoma	8.4ms	Esports-ready	1080p	$910	Check Price →
17	Optoma HZ41 4600-Lumen Full HD Laser DLP Home Theater and Gaming Laser Projector - BlackOptoma	9ms	Esports-ready	1080p	$899	Check Price →
18	BenQ TK700 4K HDR Gaming ProjectorBenQ	16ms	Excellent	4K	$1,199	Check Price →
19	BenQ TH575BenQ	16.7ms	Excellent	1080p	$599	Check Price →

Input lag figures are manufacturer-rated game-mode numbers, typically measured at 1080p/120Hz or 4K/60Hz. Real-world lag outside game mode is often 3-5x higher. Prices refresh throughout the day.

How to Read Input Lag Numbers

Game mode is everything

Every number in this table assumes the projector's Game / Fast / Low Latency mode is ON. Out of the box, picture processing (keystone correction, motion smoothing, noise reduction) adds 30-100ms. A "16ms projector" without game mode enabled can measure 60ms+. Digital keystone correction also adds lag — position the projector square to the screen for competitive play.

Resolution changes the number

Most gaming projectors post their fastest figure at 1080p/120Hz or 240Hz (4-9ms) and a higher one at 4K/60Hz (~16ms). Both are excellent. On consoles, that maps neatly onto Performance (1080p/120) vs Fidelity (4K/60) modes — the projector keeps up with either.

What the frame math means

At 60fps a frame lasts 16.7ms; at 120fps, 8.3ms. Input lag under one frame time means your input appears on the very next frame — effectively instant. That's why 8ms at 120Hz and 16ms at 60Hz are both "one frame" and feel equally responsive at their refresh rates.

Projector vs gaming TV

The best gaming TVs measure 5-10ms; the projectors at the top of this table match that. What projectors trade away is VRR and 4K/120 (HDMI 2.1 features). What you get instead is a 100-150 inch image — a trade most big-screen gamers happily make.

Input Lag FAQ

What input lag do I need for competitive shooters?

Aim for 16ms or less — ideally under 10ms at 1080p/120Hz. The Optoma GT1080HDR (8.4ms) and BenQ TH685P (8.3ms) are the classic competitive picks. Beyond the display, use a wired controller or low-latency wireless, and skip any digital keystone correction.

Why isn't projector X in this database?

We only list projectors with a documented game-mode input lag figure. Many lifestyle and home-theater projectors (portable XGIMI/Nebula models, most UST laser TVs) never publish one — which itself is a signal: if gaming responsiveness were a strength, the spec sheet would say so. For those models assume 30-60ms and treat them as casual-gaming displays.

Do wireless HDMI or streaming sticks add lag?

Yes — wireless HDMI kits add 50-200ms and are unusable for gaming. Always run a physical HDMI cable from the console to the projector. For long ceiling-mount runs, use a certified Ultra High Speed HDMI cable or an active/fiber HDMI cable, which carry the signal without added latency.