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  3. HL6518i vs TH575i

Acer HL6518i vs BenQ TH575i

What HL6518i does better (5) and where TH575i wins (2) — every spec side by side.

Acer HL6518i
Acer · 2026HL6518i
6.8Score
5 advantages≈ US$700
Higher score
vs
BenQ TH575i
BenQ · 2026TH575i
4.6Score
2 advantages≈ US$510
7.1Picture4.8
7.1Noise, lifetime & portability5.6
Dimensions

Size comparison

HL6518iTH575i
286 × 216115296 × 120237
HL6518iTH575iDifference
Height216 mm120 mm+96 mm
Width286 mm296 mm−10 mm
Depth115 mm237 mm−122 mm
Weight3.4 kg2.3 kg+1.1 kg

Drawn to the same scale from the official dimensions (front and side).

Why is HL6518i better than TH575i?

  1. Light source life20,000 h vs 6,000 h3.3×
  2. Brightness (ANSI / ISO lumens)4,000 lm vs 3,800 lm+5%
  3. HDMI inputs2 vs 12×
  4. Power consumption195 W vs 295 W+51%
  5. HDMI version2 vs 1.4+43%

Why is TH575i better than HL6518i?

  1. Automatic keystone correctionNo · HL6518i: Yes
  2. Weight3.4 kg vs 2.3 kg+48%
Specifications

Side by side

Acer HL6518iAcer HL6518i≈ US$7006.8
BenQ TH575iBenQ TH575i≈ US$5104.6
Picture
Resolution (on screen)1920 × 1080 (Full HD)1920 × 1080 (Full HD)
Native panel resolution1920 × 1080 (Full HD)1920 × 1080 (Full HD)
Display technologyDLPDLP
Light sourceLaserLamp
Brightness (ANSI / ISO lumens)4,000 lm3,800 lm
Native contrast ratio—15,000:1
Contrast ratio (dynamic / claimed)3,500,000:1—
HDR supportYes—
Colour gamut (Rec.709)—88%
Gaming
Input lag—16.7 ms
Maximum refresh rate—120 Hz
Lens & placement
Throw ratio1.5:11.49:1
Throw ratio (zoomed in)1.65:11.64:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image3.32 m3.3 m
Smallest image size30″—
Largest image size300″—
Optical zoom—1.1×
Lens shiftNone—
AutofocusNo—
Keystone correctionYesYes
Automatic keystone correctionNoYes
Sound
Built-in speakers (total output)10 W10 W
Smart & streaming
Smart platform—Google TV
Built-in smart platform—Yes
Netflix (officially licensed)—Yes
Wi-FiYes—
Chromecast built-in—Yes
Connectivity
HDMI inputs21
HDMI version21.4
USB portYesYes
Ethernet (LAN)NoNo
VGA inputNoNo
Audio outputYesYes
Battery, power & lifetime
Power consumption195 W295 W
Light source life20,000 h6,000 h
Light source life (eco mode)30,000 h10,000 h
Design & noise
Fan noise (eco mode)28 dB—
Weight3.4 kg2.3 kg
Width286 mm296 mm
Height216 mm120 mm
Depth115 mm237 mm
ColoursWhiteWhite
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