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In this post, we will compare two low-input lag projectors, the Optoma HD146X and Optoma HD28HDR, and see which one would be a smart buy.
Feature Optoma HD146X Optoma HD28HDR Resolution 1080p Full HD (1920×1080) 1080p Full HD (1920×1080) Brightness (ANSI lumens) 3,600 3,600 Contrast Ratio (FOFO) 25,000:1 50,000:1 Speaker 5W Speaker x 1 5W Speaker x 1 Price Check Amazon Check Amazon
Feature Optoma HD146X Optoma HD28HDR Projection System DLP DLP Resolution 1080p Full HD (1920×1080) 1080p Full HD (1920×1080) Brightness (ANSI lumens) 3600 3600 Contrast Ratio (FOFO) 25,000:1 50,000:1 Displayable Colors 1.07 billion 1.07 billion Color Gamut Rec.709 Close to Rec.709 Native Aspect Ratio 16:9 16:9
Feature Optoma HD146X Optoma HD28HDR Light Source Lamp Lamp Light Source Life Bright – 4,000 hours Bright – 4,000 hours
Feature Optoma HD146X Optoma HD28HDR HDR10 Support No Yes HLG Support No No
Feature Optoma HD146X Optoma HD28HDR Throw Ratio 1.47:1 ~ 1.62:1 1.47:1 ~ 1.62:1 Zoom Ratio 1.1 1.1 Digital Lens Shift No No Keystone Adjustment Vertical ±40° Vertical ±40° Image Size 28” – 301” 28″ ~ 301″ Horizontal Scan Rate 25 – 85Hz (120Hz for 3D) 15.38 ~ 91.15Khz Vertical Scan Rate 15.375 – 91.146KHz 50 ~ 85 (120 for 3D)Hz
Feature Optoma HD146X Optoma HD28HDR Dimensions (W x H x D) inches 12.4” x 4.3” x 9.5” 12.44″ x 4.25″ x 9.61″ Net Weight lbs 6.2 5.51
Feature Optoma HD146X Optoma HD28HDR HDMI 2.1 Not available Not available HDMI 2.0 Not available x 1 (HDCP 2.2) HDMI 1.4a x 1 x 1 (3D support)
Feature Optoma HD146X Optoma HD28HDR Speaker 5W x 1 5W x 1 Audio In Not available Not available Audio Out 3.5mm 3.5mm USB Power Out x1 USB-A (1.5a) x1 USB-A (1.5a)
Feature Optoma HD146X Optoma HD28HDR Input Lag 16ms 8.4ms@120Hz
Feature Optoma HD146X Optoma HD28HDR Power Supply 100 ~ 240V, 50 ~ 60Hz 100 ~ 240V, 50 ~ 60Hz Typical Power Consumption Min-205W Min-204W Standby Power Consumption 0.5W 0.5W Acoustic Noise (Typ./Eco.) Typical: 26dB Typical: 26dB Operating Temperature 5–40°C 5 ~ 40 ℃
Feature Optoma HD146X Optoma HD28HDR Remote Control Yes Yes Power Cord Yes Yes Manual Yes Yes Warranty Card Yes Yes Batteries x2 (AAA) x2 (AAA)
Optoma HD28HDR is preferable because it comes with a higher contrast ratio, lower input lag, HDR support, and HDMI 2.0 input options which are better specs in comparison to Optoma HD146X.
