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  3. TK705STi vs HZ150X

BenQ TK705STi vs Optoma HZ150X

What TK705STi does better (3) and where HZ150X wins (5) — every spec side by side.

BenQ TK705STi
BenQ · 2025TK705STi
7.5Score
3 advantages≈ US$1,300
Higher score
vs
Optoma HZ150X
Optoma · 2023HZ150X
7.4Score
5 advantages≈ US$1,300
6.9Picture8.0
Dimensions

Size comparison

TK705STiHZ150X
229 × 168250274 × 108216
TK705STiHZ150XDifference
Height168 mm108 mm+60 mm
Width229 mm274 mm−45 mm
Depth250 mm216 mm+34 mm
Weight3.8 kg3.4 kg+0.4 kg

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

Why is TK705STi better than HZ150X?

  1. Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
  2. Automatic keystone correctionYes · HZ150X: No
  3. Built-in speakers (total output)16 W vs 15 W+7%

Why is HZ150X better than TK705STi?

  1. Brightness (ANSI / ISO lumens)3,000 lm vs 5,000 lm+67%
  2. Light source life20,000 h vs 30,000 h+50%
  3. Contrast ratio (dynamic / claimed)700:1 vs 2,000,000:12,857.1×
  4. Ethernet (LAN)No · TK705STi: Yes
  5. Weight3.8 kg vs 3.4 kg+12%
Specifications

Side by side

BenQ TK705STiBenQ TK705STi≈ US$1,3007.5
Optoma HZ150XOptoma HZ150X≈ US$1,3007.4
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 lm5,000 lm
Native contrast ratio600,000:1—
Contrast ratio (dynamic / claimed)700:12,000,000:1
HDR supportYesYes
HDR formatsHDR10+, HDR10, HLGHDR10+, HDR10
Colour gamut (Rec.709)98%—
3D playback—Yes
Gaming
Input lag5 ms—
Maximum refresh rate60 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—39″
Largest image size—300″
Optical zoom—1.3×
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-FiYes—
BluetoothYes—
Chromecast built-inYes—
Connectivity
HDMI inputs22
HDMI version—2
HDMI eARCYes—
USB portYesYes
Ethernet (LAN)NoYes
VGA inputNoNo
Audio outputYesYes
Battery, power & lifetime
Power consumption250 W—
Light source life20,000 h30,000 h
Light source life (eco mode)30,000 h—
Design & noise
Fan noise26 dB—
Fan noise (eco mode)—29 dB
Weight3.8 kg3.4 kg
Width229 mm274 mm
Height168 mm108 mm
Depth250 mm216 mm
Colours—White
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