How we score Blog Advertise
  1. Attenborough.film
  2. Compare
  3. Cosmos 4K SE vs UHZ66

Nebula Cosmos 4K SE vs Optoma UHZ66

What Cosmos 4K SE does better (2) and where UHZ66 wins (5) — every spec side by side.

Nebula Cosmos 4K SE
Nebula · 2024Cosmos 4K SE
9.0Score
2 advantages≈ US$1,200
vs
Optoma UHZ66
Optoma · 2023UHZ66
9.4Score
5 advantages≈ US$1,250
Higher score
4.9Picture8.9
9.2Setup & placement6.1
7.9Noise, lifetime & portability8.8
Dimensions

Size comparison

Cosmos 4K SEUHZ66
264 × 221165274 × 114216
Cosmos 4K SEUHZ66Difference
Height221 mm114 mm+107 mm
Width264 mm274 mm−10 mm
Depth165 mm216 mm−51 mm
Weight4.5 kg3 kg+1.5 kg

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

Why is Cosmos 4K SE better than UHZ66?

  1. Automatic keystone correctionYes · UHZ66: No
  2. Built-in speakers (total output)30 W vs 15 W2×

Why is UHZ66 better than Cosmos 4K SE?

  1. Brightness (ANSI / ISO lumens)1,800 lm vs 4,000 lm2.2×
  2. HDMI inputs1 vs 22×
  3. Ethernet (LAN)No · Cosmos 4K SE: Yes
  4. Largest image size200″ vs 303″+51%
  5. Weight4.5 kg vs 3 kg+50%
Specifications

Side by side

Nebula Cosmos 4K SENebula Cosmos 4K SE≈ US$1,2009.0
Optoma UHZ66Optoma UHZ66≈ US$1,2509.4
Picture
Resolution (on screen)3840 × 2160 (4K UHD)3840 × 2160 (4K UHD)
Native panel resolution1920 × 1080 (Full HD)1920 × 1080 (Full HD)
4K method4K by pixel shifting4K by pixel shifting
Display technologyDLPDLP
Light sourceLaser + LED hybridLaser
Brightness (ANSI / ISO lumens)1,800 lm4,000 lm
Contrast ratio (dynamic / claimed)—500,000:1
HDR supportYesYes
HDR formatsHDR10, HLG, Dolby Vision—
Dolby VisionYes—
Gaming
Maximum refresh rate—240 Hz
Game / low-latency modeYesYes
Lens & placement
Throw ratio1.2:11.4:1
Throw ratio (zoomed in)—2.24:1
Throw typeStandard throw (1.0:1 and longer)Standard throw (1.0:1 and longer)
Distance for a 100″ 16:9 image2.66 m3.1 m
Smallest image size50″26″
Largest image size200″303″
Optical zoom—1.6×
Lens shift—None
AutofocusYes—
Keystone correctionYesYes
Automatic keystone correctionYesNo
Sound
Built-in speakers (total output)30 W15 W
Smart & streaming
Smart platformGoogle TV—
Built-in smart platformYes—
Netflix (officially licensed)Yes—
Wi-FiYes—
BluetoothYes—
Chromecast built-inYes—
Internal storage16 GB—
Connectivity
HDMI inputs12
HDMI version—2
HDMI eARC—Yes
USB portYesYes
Ethernet (LAN)NoYes
VGA inputNoNo
Audio outputYesYes
Battery, power & lifetime
Power consumption—185 W
Light source life30,000 h30,000 h
Design & noise
Fan noise30 dB30 dB
Fan noise (eco mode)—28 dB
Weight4.5 kg3 kg
Width264 mm274 mm
Height221 mm114 mm
Depth165 mm216 mm
ColoursGreyWhite
To compare: 0up to 4 models
Compare