Epson PowerLite X49 vs NEC NP-UM351W

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

	Epson PowerLite X49 MSRP $508	NEC NP-UM351W
Display system
Imaging technology	3LCD	3LCD
Technology brand	3LCD	3LCD
Number of imaging devices	3	—
Chip / panel diagonal	0.55 in	0.59 in
Native aspect ratio	4:3	16:10
Native resolution	1024 × 768	1280 × 800
Optical system description	Poly-silicon TFT active matrix	—
Optics
Throw ratio	1.48–1.77:1	0.36:1
Throw reference point	—	Front
Projection distance table	30″: 0.89–1.07 m · 40″: 1.19–1.43 m · 50″: 1.5–1.8 m · 60″: 1.8–2.17 m · 80″: 2.41–2.9 m · 100″: 3.02–3.63 m · 150″: 4.54–5.46 m · 200″: 6.07–7.29 m · 250″: 7.59–9.12 m · 300″: 9.12–10.95 m	58″: 0.11 m · 60″: 0.12 m · 70″: 0.2 m · 80″: 0.28 m · 90″: 0.35 m · 100″: 0.43 m · 110″: 0.51 m
Zoom type	Optical	Digital
Zoom ratio	1.2×	1.4×
Focus	Manual	Manual
Vertical lens shift	0%	—
Horizontal lens shift	0%	—
Motorized lens shift	No	—
Fixed offset	—	81%
Focal length	16.9–20.28 mm	4.78 mm
F-number	1.49–1.72	1.8
Interchangeable lens	No	No
Image size range	30–300 in	58–110 in
Vertical keystone	-30–30°	-10–10°
Horizontal keystone	-30–30°	-10–10°
Corner / warp correction	4pt	4pt
Light source
Light source type	Lamp	Lamp
Light source detail	210 W UHE lamp (ELPLP97)	255 W AC lamp
Lamp wattage	210 W	255 W
Light source life	Normal: 6,000 h · Eco: 12,000 h	Eco: 6,000 h · Normal: 5,000 h · High bright: 3,800 h
Life definition	Unspecified	—
Warm-up time	—	6 s
Cool-down time	0 s	0 s
Brightness
ISO light output	3,600 lm	3,500 lm
Colour light output (CLO)	3,600 lm (colour)	—
Brightness by mode	Normal: 3,600 lm · Eco: 2,400 lm	—
Contrast & black level
Dynamic contrast	16,000:1	4,000:1
Dynamic light control	—	Dynamic iris
Colour
Bit depth / 'number of colours'	30 bit	30 bit
Calibration & picture control
Picture mode memories	—	7
Audio
Speaker power	5 W	20 W
Speaker count	1	1
Audio channels	Mono	Mono
Audio outputs	3.5 mm	3.5 mm
Inputs, control & connectivity
Max input signal	1920 × 1080	1920 × 1200
HDMI port count	1	2
HDMI ports (feature-level)	—	HDMI 1/MHL: HDMI; HDMI 2: HDMI
Audio input terminals	—	3.5 mm, Rca, Mic
Horizontal scan frequency	—	15–100 kHz
Vertical scan frequency	—	50–120 Hz
VGA input	Yes	Yes
USB media playback	Yes	Yes
RS-232	Yes	Yes
LAN control	Yes	Yes
PJLink class	—	Class 1
Control ecosystem drivers	Crestron, Control4	Crestron
Ethernet	Yes	Yes
Setup automation
Autofocus	None	—
Auto keystone	Yes	—
Acoustic noise
Fan noise (sound pressure)	Normal: 37 dB(A) · Eco: 28 dB(A)	Eco: 28 dB(A) · Normal: 29 dB(A) · High bright: 37 dB(A)
Environment & power
Operating temperature	5–35°C	5–40°C
Operating humidity	20–80%RH	20–80%RH
Altitude / high-altitude mode	3,048 m	2,600 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)	345 W	337 W
Power consumption by mode	Normal: 345 W · Eco: 235 W	Eco mode off: 324 W · Normal: 257 W · Eco: 214 W
Standby power	0.3 W	0.39 W
Networked standby power	2 W	2.4 W
Power supply	—	Internal
Physical & installation
Width	302 mm	378 mm
Depth	249 mm	428 mm
Height	92 mm	112 mm
Weight	2.7 kg	5.6 kg
Colours / finishes	White	—
Air filter	Replaceable	—
Safety & compliance
Safety & market certifications	FCC, UL	UL, FCC
Support & ownership
Warranty	🇺🇸 US 2 yr · 🇨🇦 CA 2 yr · 🇪🇺 EU 3 yr · 🇮🇳 IN 3 yr	🇪🇺 EU 3 yr
Light-source warranty	90 days	6 months, max. 1000 hrs
User manual	https://files.support.epson.com/docid/cpd5/cpd59679.pdf	https://sharp-displays.jp.sharp/support/webdl/dl_service/data/manual/en/um351w/UM351W_manual_ENG_v3.pdf
In the box
Box contents	Projector, Power cord, Vga cable, Remote, Batteries, Software cd, Quick setup sheet, Warranty card	Remote, Vga cable, Power cord, Quick start guide, Manual cd, Wall mount kit, Security sticker
Remote type	—	IR