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  3. IN0046SL vs Photon Life PK31

InFocus IN0046SL vs Optoma Photon Life PK31

What IN0046SL does better (7) and where Photon Life PK31 wins (3) — every spec side by side.

InFocus IN0046SL
InFocus · 2025IN0046SL
5.9Score
7 advantages≈ US$500
Higher score
vs
Optoma Photon Life PK31
Optoma · 2025Photon Life PK31
5.1Score
3 advantages≈ US$490
7.3Picture3.8
5.8Setup & placement2.1
7.4Noise, lifetime & portability8.6

Why is IN0046SL better than Photon Life PK31?

  1. Brightness (ANSI / ISO lumens)4,700 lm vs 900 lm5.2×
  2. Automatic keystone correctionYes · Photon Life PK31: No
  3. Built-in speakers (total output)10 W vs 5 W2×
  4. Contrast ratio (dynamic / claimed)30,000:1 vs 400:175×
  5. HDMI inputs2 vs 12×
  6. Fan noise27 dB vs 32 dB+19%
  7. Optical zoom1.3× vs 1.1×+18%

Why is Photon Life PK31 better than IN0046SL?

  1. Resolution (on screen)1920 × 1080 (Full HD) vs 3840 × 2160 (4K UHD)
  2. Light source life15,000 h vs 30,000 h2×
  3. Weight2.9 kg vs 2.2 kg+32%
Specifications

Side by side

InFocus IN0046SLInFocus IN0046SL≈ US$5005.9
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
Light sourceLampLED
Brightness (ANSI / ISO lumens)4,700 lm900 lm
Contrast ratio (dynamic / claimed)30,000:1400:1
3D playbackYes—
Gaming
Maximum refresh rate85 Hz—
Lens & placement
Throw ratio1.19:11.5:1
Throw ratio (zoomed in)1.54:11.65:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image2.63 m3.32 m
Smallest image size—60″
Largest image size—150″
Optical zoom1.3×1.1×
Lens shiftNoneNone
AutofocusNo—
Keystone correctionYesYes
Automatic keystone correctionYesNo
Sound
Built-in speakers (total output)10 W5 W
Connectivity
HDMI inputs21
HDMI version1.4—
USB portYesYes
Ethernet (LAN)NoNo
VGA inputYesNo
Audio outputYesYes
Battery, power & lifetime
Power consumption267 W—
Light source life15,000 h30,000 h
Design & noise
Fan noise27 dB32 dB
Fan noise (eco mode)—30 dB
Weight2.9 kg2.2 kg
Width236 mm—
Height96 mm—
Depth313 mm—
ColoursWhiteBlack
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