How we score Blog Advertise
  1. Attenborough.film
  2. Compare
  3. X139Wi vs TH575i

Acer X139Wi vs BenQ TH575i

What X139Wi does better (1) and where TH575i wins (1) — every spec side by side.

Acer X139Wi
Acer · 2025X139Wi
1 advantage≈ US$480
vs
BenQ TH575i
BenQ · 2026TH575i
4.6Score
1 advantage≈ US$510
Higher score
Dimensions

Size comparison

X139WiTH575i
313 × 114240296 × 120237
X139WiTH575iDifference
Height114 mm120 mm−6 mm
Width313 mm296 mm+17 mm
Depth240 mm237 mm+3 mm
Weight2.8 kg2.3 kg+0.5 kg

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

Why is X139Wi better than TH575i?

  1. Brightness (ANSI / ISO lumens)5,000 lm vs 3,800 lm+32%

Why is TH575i better than X139Wi?

  1. Weight2.8 kg vs 2.3 kg+22%
Specifications

Side by side

Acer X139WiAcer X139Wi≈ US$480
BenQ TH575iBenQ TH575i≈ US$5104.6
Picture
Resolution (on screen)—1920 × 1080 (Full HD)
Native panel resolution—1920 × 1080 (Full HD)
Display technologyDLPDLP
Light sourceLampLamp
Brightness (ANSI / ISO lumens)5,000 lm3,800 lm
Native contrast ratio—15,000:1
Colour gamut (Rec.709)—88%
3D playbackYes—
Gaming
Input lag—16.7 ms
Maximum refresh rate—120 Hz
Lens & placement
Throw ratio1.49:11.49:1
Throw ratio (zoomed in)1.67:11.64:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image3.3 m3.3 m
Optical zoom1.12×1.1×
Keystone correctionYesYes
Automatic keystone correctionYesYes
Sound
Built-in speakers (total output)—10 W
Smart & streaming
Smart platform—Google TV
Built-in smart platform—Yes
Netflix (officially licensed)—Yes
Wi-FiYes—
Chromecast built-in—Yes
Connectivity
HDMI inputs11
HDMI version—1.4
USB port—Yes
Ethernet (LAN)—No
VGA inputYesNo
Audio output—Yes
Battery, power & lifetime
Power consumption—295 W
Light source life—6,000 h
Light source life (eco mode)—10,000 h
Design & noise
Fan noise27 dB—
Weight2.8 kg2.3 kg
Width313 mm296 mm
Height114 mm120 mm
Depth240 mm237 mm
Colours—White
To compare: 0up to 4 models
Compare