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  3. H6518STi vs H6815BD

Acer H6518STi vs Acer H6815BD

What H6518STi does better (1) and where H6815BD wins (7) — every spec side by side.

Acer H6518STi
Acer · 2020H6518STi
4.5Score
1 advantage≈ US$670
vs
Acer H6815BD
Acer · 2020H6815BD
6.3Score
7 advantages≈ US$750
Higher score
3.9Picture8.3
7.7Setup & placement4.9
2.7Noise, lifetime & portability4.5
Dimensions

Size comparison

H6518STiH6815BD
313 × 100255322 × 94225
H6518STiH6815BDDifference
Height100 mm94 mm+6 mm
Width313 mm322 mm−9 mm
Depth255 mm225 mm+30 mm
Weight3 kg2.9 kg+0.1 kg

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

Why is H6518STi better than H6815BD?

  1. Automatic keystone correctionYes · H6815BD: No

Why is H6815BD better than H6518STi?

  1. Resolution (on screen)1920 × 1080 (Full HD) vs 3840 × 2160 (4K UHD)
  2. Brightness (ANSI / ISO lumens)3,500 lm vs 4,000 lm+14%
  3. Light source life4,000 h vs 5,000 h+25%
  4. HDR supportNo · H6518STi: Yes
  5. Fan noise36 dB vs 33 dB+9%
  6. Power consumption290 W vs 245 W+18%
  7. Weight2.95 kg vs 2.88 kg+2%
Specifications

Side by side

Acer H6518STiAcer H6518STi≈ US$6704.5
Acer H6815BDAcer H6815BD≈ US$7506.3
Picture
Resolution (on screen)1920 × 1080 (Full HD)3840 × 2160 (4K UHD)
Native panel resolution1920 × 1080 (Full HD)1920 × 1080 (Full HD)
4K method—4K by pixel shifting
Display technologyDLPDLP
Light sourceLamp—
Brightness (ANSI / ISO lumens)3,500 lm4,000 lm
Contrast ratio (dynamic / claimed)10,000:110,000:1
HDR supportNoYes
3D playbackYes—
Gaming
Maximum refresh rate120 Hz120 Hz
Lens & placement
Throw ratio0.5:11.5:1
Throw ratio (zoomed in)—1.65:1
Throw typeShort throw (0.4–1.0:1)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image1.11 m3.32 m
Smallest image size45″28″
Largest image size303″300″
Optical zoom2×2×
Lens shiftNoneNone
AutofocusNoNo
Keystone correctionYesYes
Automatic keystone correctionYesNo
Sound
Built-in speakers (total output)3 W3 W
Smart & streaming
Wi-FiYesYes
Connectivity
HDMI inputs22
HDMI version—2
USB portYesYes
Ethernet (LAN)NoNo
VGA inputYesNo
Audio outputYesYes
Battery, power & lifetime
Power consumption290 W245 W
Light source life4,000 h5,000 h
Light source life (eco mode)10,000 h10,000 h
Design & noise
Fan noise36 dB33 dB
Fan noise (eco mode)27 dB30 dB
Weight2.95 kg2.88 kg
Width313 mm322 mm
Height100 mm94 mm
Depth255 mm225 mm
ColoursWhiteWhite
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