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  3. H6828BD vs HZ40HDR

Acer H6828BD vs Optoma HZ40HDR

What H6828BD does better (4) and where HZ40HDR wins (5) — every spec side by side.

Acer H6828BD
Acer · 2026H6828BD
8.7Score
4 advantages≈ US$680
Higher score
vs
Optoma HZ40HDR
Optoma · 2023HZ40HDR
8.6Score
5 advantages≈ US$660
8.8Picture6.6
8.0Gaming & inputs5.9
4.5Noise, lifetime & portability8.4
Dimensions

Size comparison

H6828BDHZ40HDR
322 × 94225274 × 114216
H6828BDHZ40HDRDifference
Height94 mm114 mm−20 mm
Width322 mm274 mm+48 mm
Depth225 mm216 mm+9 mm
Weight2.9 kg3 kg−0.1 kg

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

Why is H6828BD better than HZ40HDR?

  1. Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
  2. Maximum refresh rate240 Hz vs 120 Hz2×
  3. Optical zoom2× vs 1.1×+82%
  4. Weight2.88 kg vs 3 kg+4%

Why is HZ40HDR better than H6828BD?

  1. Light source life5,000 h vs 30,000 h6×
  2. Contrast ratio (dynamic / claimed)50,000:1 vs 2,000,000:140×
  3. Power consumption245 W vs 139 W+76%
  4. Fan noise33 dB vs 32 dB+3%
  5. HDMI version1.4 vs 2+43%
Specifications

Side by side

Acer H6828BDAcer H6828BD≈ US$6808.7
Optoma HZ40HDROptoma HZ40HDR≈ US$6608.6
Picture
Resolution (on screen)3840 × 2160 (4K UHD)1920 × 1080 (Full HD)
Native panel resolution1920 × 1080 (Full HD)1920 × 1080 (Full HD)
4K method4K by pixel shifting—
Display technologyDLPDLP
Light source—Laser
Brightness (ANSI / ISO lumens)4,000 lm4,000 lm
Contrast ratio (dynamic / claimed)50,000:12,000,000:1
HDR supportYesYes
3D playbackYesYes
Gaming
Maximum refresh rate240 Hz120 Hz
Game / low-latency mode—Yes
Lens & placement
Throw ratio1.5:11.48:1
Throw ratio (zoomed in)1.65:11.62:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image3.32 m3.28 m
Smallest image size27″20″
Largest image size300″300″
Optical zoom2×1.1×
Lens shiftNoneNone
Keystone correctionYes—
Automatic keystone correctionYes—
Sound
Built-in speakers (total output)3 W—
Connectivity
HDMI inputs22
HDMI version1.42
USB portYesYes
Ethernet (LAN)NoNo
VGA inputNoNo
Audio outputYesYes
Battery, power & lifetime
Power consumption245 W139 W
Light source life5,000 h30,000 h
Light source life (eco mode)10,000 h—
Design & noise
Fan noise33 dB32 dB
Fan noise (eco mode)30 dB—
Weight2.88 kg3 kg
Width322 mm274 mm
Height94 mm114 mm
Depth225 mm216 mm
ColoursWhiteWhite
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