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  3. HL6516i vs HZ151X

Acer HL6516i vs Optoma HZ151X

What HL6516i does better (1) and where HZ151X wins (4) — every spec side by side.

Acer HL6516i
Acer · 2026HL6516i
6.8Score
1 advantage≈ US$940
vs
Optoma HZ151X
Optoma · 2026HZ151X
7.4Score
4 advantages≈ US$1,000
Higher score
7.1Picture8.0
3.6Setup & placement3.9
Dimensions

Size comparison

HL6516iHZ151X
286 × 216115274 × 108216
HL6516iHZ151XDifference
Height216 mm108 mm+108 mm
Width286 mm274 mm+12 mm
Depth115 mm216 mm−101 mm
Weight3.4 kg3.4 kg=

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

Why is HL6516i better than HZ151X?

  1. Contrast ratio (dynamic / claimed)3,500,000:1 vs 2,000,000:1+75%

Why is HZ151X better than HL6516i?

  1. Brightness (ANSI / ISO lumens)4,000 lm vs 5,000 lm+25%
  2. Built-in speakers (total output)10 W vs 15 W+50%
  3. Light source life20,000 h vs 30,000 h+50%
  4. Ethernet (LAN)No · HL6516i: Yes
Specifications

Side by side

Acer HL6516iAcer HL6516i≈ US$9406.8
Optoma HZ151XOptoma HZ151X≈ US$1,0007.4
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 sourceLaserLaser
Brightness (ANSI / ISO lumens)4,000 lm5,000 lm
Contrast ratio (dynamic / claimed)3,500,000:12,000,000:1
HDR supportYesYes
HDR formats—HDR10+, HDR10
3D playback—Yes
Lens & placement
Throw ratio1.5:11.13:1
Throw ratio (zoomed in)1.65:11.47:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image3.32 m2.5 m
Smallest image size30″39″
Largest image size300″300″
Optical zoom—1.3×
Lens shiftNoneNone
AutofocusNo—
Keystone correctionYesYes
Automatic keystone correctionNoNo
Sound
Built-in speakers (total output)10 W15 W
Smart & streaming
Wi-FiYes—
Connectivity
HDMI inputs22
HDMI version22
USB portYesYes
Ethernet (LAN)NoYes
VGA inputNoYes
Audio outputYesYes
Battery, power & lifetime
Power consumption195 W—
Light source life20,000 h30,000 h
Light source life (eco mode)30,000 h—
Design & noise
Fan noise (eco mode)28 dB29 dB
Weight3.4 kg3.4 kg
Width286 mm274 mm
Height216 mm108 mm
Depth115 mm216 mm
ColoursWhiteWhite
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