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  3. TK705STi vs LS630HD

BenQ TK705STi vs ViewSonic LS630HD

What TK705STi does better (5) and where LS630HD wins (6) — every spec side by side.

BenQ TK705STi
BenQ · 2025TK705STi
7.5Score
5 advantages≈ US$1,300
Higher score
vs
ViewSonic LS630HD
ViewSonic · 2025LS630HD
6.5Score
6 advantages≈ US$1,050
6.9Picture5.1
8.0Noise, lifetime & portability6.3
Dimensions

Size comparison

TK705STiLS630HD
229 × 168250286 × 129216
TK705STiLS630HDDifference
Height168 mm129 mm+39 mm
Width229 mm286 mm−57 mm
Depth250 mm216 mm+34 mm
Weight3.8 kg3 kg+0.8 kg

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

Why is TK705STi better than LS630HD?

  1. Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
  2. Automatic keystone correctionYes · LS630HD: No
  3. Fan noise26 dB vs 32 dB+23%
  4. HDR supportYes · LS630HD: No
  5. Built-in speakers (total output)16 W vs 15 W+7%

Why is LS630HD better than TK705STi?

  1. Brightness (ANSI / ISO lumens)3,000 lm vs 4,000 lm+33%
  2. Maximum refresh rate60 Hz vs 120 Hz2×
  3. Contrast ratio (dynamic / claimed)700:1 vs 300,000:1428.6×
  4. Ethernet (LAN)No · TK705STi: Yes
  5. Power consumption250 W vs 175 W+43%
  6. Weight3.8 kg vs 3 kg+27%
Specifications

Side by side

BenQ TK705STiBenQ TK705STi≈ US$1,3007.5
ViewSonic LS630HDViewSonic LS630HD≈ US$1,0506.5
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 sourceLEDLaser
Brightness (ANSI / ISO lumens)3,000 lm4,000 lm
Native contrast ratio600,000:1—
Contrast ratio (dynamic / claimed)700:1300,000:1
HDR supportYesNo
HDR formatsHDR10+, HDR10, HLG—
Colour gamut (Rec.709)98%—
3D playback—Yes
Gaming
Input lag5 ms—
Maximum refresh rate60 Hz120 Hz
Game / low-latency modeYes—
Lens & placement
Throw ratio0.8:11.13:1
Throw ratio (zoomed in)—1.47:1
Throw typeShort throw (0.4–1.0:1)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image1.77 m2.5 m
Smallest image size—30″
Largest image size—300″
Optical zoom—2×
Lens shift—None
Keystone correctionYesYes
Automatic keystone correctionYesNo
Sound
Built-in speakers (total output)16 W15 W
Smart & streaming
Smart platformGoogle TV—
Built-in smart platformYes—
Netflix (officially licensed)Yes—
Wi-FiYesYes
BluetoothYes—
Chromecast built-inYes—
Connectivity
HDMI inputs22
HDMI eARCYes—
USB portYesYes
Ethernet (LAN)NoYes
VGA inputNoNo
Audio outputYesYes
Battery, power & lifetime
Power consumption250 W175 W
Light source life20,000 h20,000 h
Light source life (eco mode)30,000 h30,000 h
Design & noise
Fan noise26 dB32 dB
Fan noise (eco mode)—27 dB
Weight3.8 kg3 kg
Width229 mm286 mm
Height168 mm129 mm
Depth250 mm216 mm
Colours—White
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