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  3. HL6820GTV vs Photon Beam PK53ST 4K

Acer HL6820GTV vs Optoma Photon Beam PK53ST 4K

What HL6820GTV does better (2) and where Photon Beam PK53ST 4K wins (1) — every spec side by side.

Acer HL6820GTV
Acer · 2026HL6820GTV
5.2Score
2 advantages≈ US$1,400
Higher score
vs
Optoma Photon Beam PK53ST 4K
Optoma · 2026Photon Beam PK53ST 4K
1 advantage≈ US$1,550
5.8Picture8.5

Why is HL6820GTV better than Photon Beam PK53ST 4K?

  1. Light source life20,000 h vs 3,800 h5.3×
  2. Brightness (ANSI / ISO lumens)4,000 lm vs 3,800 lm+5%

Why is Photon Beam PK53ST 4K better than HL6820GTV?

  1. Resolution (on screen)1920 × 1080 (Full HD) vs 3840 × 2160 (4K UHD)
Specifications

Side by side

Acer HL6820GTVAcer HL6820GTV≈ US$1,4005.2
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
Brightness (ANSI / ISO lumens)4,000 lm3,800 lm
Contrast ratio (dynamic / claimed)—500,000:1
Gaming
Maximum refresh rate240 Hz—
Lens & placement
Throw ratio1.46:1—
Throw typeStandard throw (1.0:1 and longer)—
Distance for a 100″ 16:9 image3.23 m—
AutofocusYes—
Connectivity
HDMI inputs1—
USB portNo—
Ethernet (LAN)No—
VGA inputNo—
Audio outputNo—
Battery, power & lifetime
Light source life20,000 h3,800 h
Light source life (eco mode)30,000 h—
Design & noise
Fan noise34 dB—
Fan noise (eco mode)29 dB—
Weight3.4 kg—
Width322 mm—
Depth225 mm—
ColoursWhite—
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