NEC NP-P401W vs ViewSonic PA503HD

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

	NEC NP-P401W MSRP $1,799	ViewSonic PA503HD MSRP $649.99
Display system
Imaging technology	3LCD	DLP
Technology brand	3LCD	DLP
Number of imaging devices	3	1
Chip / panel diagonal	0.59 in	0.65 in
Native aspect ratio	16:10	16:9
Native resolution	1280 × 800	1920 × 1080
Optics
Throw ratio	1.3–2.2:1	1.48–1.62:1
Projection distance table	40″: 1.12–1.9 m · 60″: 1.71–2.87 m · 80″: 2.3–3.85 m · 100″: 2.89–4.82 m · 120″: 3.47–5.8 m · 150″: 4.35–7.26 m · 200″: 5.82–9.7 m · 300″: 8.76–14.58 m	30″: 0.98–1.08 m · 40″: 1.31–1.44 m · 50″: 1.64–1.79 m · 60″: 1.97–2.15 m · 70″: 2.29–2.51 m · 80″: 2.62–2.87 m · 90″: 2.95–3.23 m · 100″: 3.28–3.59 m · 110″: 3.6–3.95 m · 120″: 3.93–4.3 m · 130″: 4.26–4.66 m · 140″: 4.59–5.02 m · 150″: 4.92–5.38 m · 200″: 6.55–7.17 m · 250″: 8.19–8.97 m · 300″: 9.83–10.76 m
Zoom type	Optical	Optical
Zoom ratio	1.7×	1.1×
Focus	Manual	Manual
Vertical lens shift	0–60%	—
Motorized lens shift	No	—
Focal length	17.4–29 mm	21.8–24 mm
F-number	1.7–2.2	2.5–2.67
Image size range	25–300 in	30–300 in
Vertical keystone	-30–30°	-40–40°
Horizontal keystone	-30–30°	—
Corner / warp correction	4pt	—
Light source
Light source type	Lamp	Lamp
Light source detail	240 W UHP AC lamp (NP23LP replacement)	—
Lamp wattage	240 W	240 W
Light source life	Eco: 6,000 h · Normal: 5,000 h · High bright: 4,000 h	Normal: 4,000 h · Dynamic eco: 15,000 h
Life definition	Unspecified	—
Warm-up time	3 s	—
Cool-down time	0 s	10 s
Brightness
ISO light output	4,000 lm	—
ANSI lumens	—	4,000 lm
Brightness by mode	High bright: 4,000 lm · Normal: 3,300 lm · Eco: 2,680 lm	—
Contrast & black level
Dynamic contrast	4,000:1	22,000:1
Dynamic light control	Dynamic iris	—
Colour
Bit depth / 'number of colours'	30 bit	30 bit
Calibration & picture control
Colour management system	—	6-axis
Picture mode memories	7	—
Audio
Speaker power	16 W	3 W
Speaker count	1	1
Audio channels	Mono	Mono
Audio outputs	3.5 mm	3.5 mm
Inputs, control & connectivity
Max input signal	1920 × 1200	1920 × 1200
HDMI port count	2	2
HDMI ports (feature-level)	—	HDMI 1: HDMI 1.4, HDCP 1.4; HDMI 2: HDMI 1.4, HDCP 1.4
Audio input terminals	3.5 mm, Rca, Hdmi	3.5 mm
Horizontal scan frequency	15–100 kHz	15–102 kHz
Vertical scan frequency	50–120 Hz	23–120 Hz
VGA input	Yes	—
USB media playback	Yes	—
RS-232	Yes	Yes
LAN control	Yes	—
PJLink class	Class 1	—
Control ecosystem drivers	Crestron	—
Ethernet	Yes	—
3D
3D support	No	Yes
3D sync method	—	DLP-Link
3D formats	—	Frame packing, Side-by-side, Top-bottom, Frame sequential
Setup automation
Auto keystone	—	Yes
Acoustic noise
Fan noise (sound pressure)	Eco: 29 dB(A) · Normal: 36 dB(A)	—
Environment & power
Operating temperature	5–40°C	0–40°C
Operating humidity	20–80%RH	10–80%RH
Altitude / high-altitude mode	2,700 m	3,048 m
High-altitude mode	Yes	Yes
Operating orientations	Table, Ceiling, Rear, Tilt-limited	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	High bright: 325 W · Normal: 274 W · Eco: 231 W	Typical: 295 W
Standby power	0.4 W	0.5 W
Networked standby power	2.8 W	—
Physical & installation
Width	398 mm	309 mm
Depth	282 mm	234 mm
Height	115 mm	115 mm
Weight	4.1 kg	2.7 kg
Safety & compliance
Photobiological risk group	—	RG2
Safety & market certifications	UL, FCC	FCC
Support & ownership
Warranty	🇺🇸 US 3 yr · 🇪🇺 EU 3 yr	🇺🇸 US 3 yr
Light-source warranty	US: 1 year or 500 hours, whichever comes first. EU: 6 months, max. 1000 hrs	1 year (original lamp)
User manual	https://sharp-displays.jp.sharp/support/webdl/dl_service/data/manual/en/p501x/P501X_manual_ENG_v2.pdf	https://www.viewsonicglobal.com/public/products_download/user_guide/projector/PA503HD/PA503HD_UG_ENG.pdf
In the box
Box contents	Remote control, Vga cable, Power cord, Quick setup guide, Security sticker, Users manual, Utility software	Projector, Remote control, Batteries, Quick start guide, Power cord
Remote type	IR	IR