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  3. LK830ST vs O2

BenQ LK830ST vs JMGO O2

What LK830ST does better (2) and where O2 wins (1) — every spec side by side.

BenQ LK830ST
BenQ · 2025LK830ST
8.8Score
2 advantages≈ US$2,200
Higher score
vs
JMGO O2
JMGO · 2025O2
8.8Score
1 advantage≈ US$2,150
9.4Picture6.4

Why is LK830ST better than O2?

  1. Brightness (ANSI / ISO lumens)4,000 lm vs 2,800 lm+43%
  2. HDMI inputs2 vs 12×

Why is O2 better than LK830ST?

  1. Built-in speakers (total output)15 W vs 20 W+33%
Specifications

Side by side

BenQ LK830STBenQ LK830ST≈ US$2,2008.8
JMGO O2JMGO O2≈ US$2,1508.8
Picture
Resolution (on screen)3840 × 2160 (4K UHD)3840 × 2160 (4K UHD)
Native panel resolution1920 × 1080 (Full HD)—
4K method4K by pixel shifting—
Display technologyDLP—
Light sourceLaserLaser
Brightness (ANSI / ISO lumens)4,000 lm2,800 lm
Contrast ratio (dynamic / claimed)3,000,000:1—
Gaming
Maximum refresh rate240 Hz—
Lens & placement
Throw ratio0.5:1—
Throw typeShort throw (0.4–1.0:1)—
Distance for a 100″ 16:9 image1.11 m—
Smallest image size70″—
Largest image size300″—
Optical zoom1.25×—
Lens shiftNoneNone
AutofocusYes—
Keystone correctionYes—
Automatic keystone correctionNo—
Sound
Built-in speakers (total output)15 W20 W
Smart & streaming
Smart platform—Android (not TV-certified)
Built-in smart platform—Yes
Wi-FiYesYes
Bluetooth—Yes
Internal storage—64 GB
Connectivity
HDMI inputs21
USB portYesYes
Ethernet (LAN)YesYes
VGA inputNoNo
Audio outputYesYes
Battery, power & lifetime
Power consumption250 W—
Light source life20,000 h—
Design & noise
Fan noise30 dB—
Fan noise (eco mode)24 dB—
Weight3.4 kg—
ColoursBlackGrey
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