Optoma HD146X vs ViewSonic LX700-4K

Bold marks the better figure where both are stated to the same standard. “—” means the manufacturer doesn't state it.

	Optoma HD146X	ViewSonic LX700-4K MSRP $1,299.99
Display system
Imaging technology	DLP	DLP
Technology brand	DLP	—
Number of imaging devices	—	1
Chip / panel diagonal	0.47 in	0.65 in
Native aspect ratio	16:9	16:9
Native resolution	1920 × 1080	2716 × 1528
Addressable resolution	—	3840 × 2160
Colour wheel segments	RYGCWB	—
Optics
Throw ratio	1.47–1.62:1	1.06–1.45:1
Projection distance table	40″: 1.3–1.4 m · 50″: 1.6–1.8 m · 60″: 2–2.2 m · 70″: 2.3–2.5 m · 80″: 2.6–2.9 m · 90″: 2.9–3.2 m · 100″: 3.3–3.6 m · 120″: 3.9–4.3 m · 150″: 4.9–5.4 m · 200″: 6.5–7.2 m · 250″: 8.1–9 m · 280″: 9.1–10 m	30″: 0.7–0.96 m · 40″: 0.94–1.28 m · 50″: 1.17–1.61 m · 60″: 1.41–1.93 m · 70″: 1.64–2.25 m · 80″: 1.88–2.57 m · 90″: 2.11–2.89 m · 100″: 2.35–3.21 m · 110″: 2.58–3.53 m · 120″: 2.82–3.85 m · 130″: 3.05–4.17 m · 140″: 3.29–4.49 m · 150″: 3.52–4.82 m · 200″: 4.69–6.42 m · 250″: 5.87–8.03 m · 300″: 7.04–9.63 m
Zoom type	Optical	Optical
Zoom ratio	1.1×	1.36×
Focus	Manual	Manual
Vertical lens shift	—	-15–0%
Fixed offset	116%	137%
Focal length	15.59–17.14 mm	15.99–21.42 mm
F-number	2.1–2.31	2.51–2.93
Interchangeable lens	—	No
Image size range	28–301 in	30–300 in
Vertical keystone	-40–40°	-30–30°
Horizontal keystone	—	-30–30°
Corner / warp correction	—	Warp
Light source
Light source type	Lamp	Laser (phosphor)
Light source detail	—	Blue laser phosphor
Lamp wattage	240 W	—
Light source life	Bright: 4,000 h · Dynamic: 15,000 h · Eco: 10,000 h	Normal: 20,000 h · Eco: 30,000 h
Life definition	Unspecified	—
Light-source dimming	Dynamic frame	Manual steps
Brightness
ANSI lumens	3,600 lm	3,500 lm
Brightness by mode	—	Standard: 1,977 lm · Bright: 3,091 lm · Cinema: 1,817 lm · Gaming: 2,164 lm · Srgb: 886 lm · User: 2,190 lm · Hdr: 1,933 lm · HLG: 1,912 lmMeasured
Brightness uniformity (centre-to-corner)	80%	—
Contrast & black level
Dynamic contrast	25,000:1	3,000,000:1
Dynamic light control	—	Laser dimming
Colour
Gamma / EOTF presets	2.2, 2.4	—
Bit depth / 'number of colours'	30 bit	10 bit
Calibration & picture control
Colour management system	6-axis	6-axis
ISF certified	Yes	—
HDR
HDR formats	—	HDR10, HLG
Motion & gaming
Frame interpolation (MEMC)	—	No
Max refresh rate	—	1920×1080: 240 Hz · 2560×1440: 120 Hz · 3840×2160: 60 Hz
Input lag (rated)	1920×1080 @ 60 Hz: 16 ms	1920×1080 @ 240 Hz: 4.2 ms · 3840×2160 @ 60 Hz: 16 ms
Auto low-latency mode	—	Yes
Audio
Speaker power	3 W	15 W
Speaker count	1	1
Audio channels	—	Mono
Audio outputs	3.5 mm	3.5 mm, HDMI eARC
HDMI ARC	—	Yes
HDMI eARC	—	Yes
Inputs, control & connectivity
Max input signal	1920 × 1200	3840 × 2160
HDMI port count	1	2
HDMI ports (feature-level)	HDMI: HDMI 1.4a	HDMI 1: HDMI 2.0, HDCP 2.2; HDMI 2: HDMI 2.0, HDCP 2.2, eARC
Horizontal scan frequency	15.38–91.15 kHz	15–135 kHz
Vertical scan frequency	24–85 Hz	23–240 Hz
RS-232	—	Yes
LAN control	—	No
12 V trigger	—	Yes
Wi-Fi	—	None
Ethernet	—	No
Firmware / software
Smart OS	—	None
3D
3D support	Yes	Yes
3D sync method	DLP-Link	DLP-Link
3D formats	Frame packing, Side-by-side, Top-bottom	Frame sequential
Glasses included	0	—
Setup automation
Autofocus	—	None
Acoustic noise
Fan noise (sound pressure)	Min: 26 dB(A) · Max: 28 dB(A)	Normal: 31 dB(A) · Eco: 26 dB(A)
Environment & power
Operating temperature	5–40°C	0–40°C
Operating humidity	10–85%RH	10–80%RH
Altitude / high-altitude mode	3,000 m	3,048 m
High-altitude mode	Yes	Yes
Operating orientations	Table, Ceiling, Rear	Table, Ceiling, Rear
Rated voltage	100–240 V	100–240 V
Rated frequency	50–60 Hz	50–60 Hz
Power consumption (max)	325 W	—
Power consumption by mode	Typical bright: 295 W · Max bright: 325 W · Typical eco: 215 W · Max eco: 240 W	Normal: 180 W
Standby power	0.5 W	0.5 W
Power supply	—	External brick
Physical & installation
Width	316 mm	286 mm
Depth	244 mm	216 mm
Height	109 mm	129 mm
Weight	2.8 kg	3.3 kg
Mount hole pattern	Thread: M4	Thread: M4 · Screw length mm: 8 · Hole count: 3
Sealed optical engine	—	Yes
Safety & compliance
Photobiological risk group	RG2	RG2
Hazard distance	—	1 m
Laser product class	—	Class 1
Safety & market certifications	FCC, CE	FCC, CE
Support & ownership
Warranty	🇺🇸 US 1 yr	🇺🇸 US 3 yr
Light-source warranty	90 days	1 year limited warranty on the light source (US)
User manual	—	https://www.viewsonicglobal.com/public/products_download/user_guide/projector/LX700-4K/LX700-4K_UG_ENG.pdf
In the box
Box contents	Projector, Power cord, Remote, Batteries, Quick start guide	Projector, Remote, Batteries, Quick start guide, Power cord, Power adapter
Remote type	IR	Backlit