Epson PowerLite 1950 vs Epson PowerLite 1955

Comparison of PowerLite 1950, PowerLite 1955

83 specifications	A Epson PowerLite 1950View product	B Epson PowerLite 1955View product
Projectoridentical
Projector brightness	4500 ANSI lumens	4500 ANSI lumens
Projection technology	3LCD	3LCD
Projector native resolution	XGA (1024x768)	XGA (1024x768)
Native aspect ratio	4:3	4:3
Supported aspect ratios	4:3	4:3
Screen size compatibility	762 - 7620 mm (30 - 300")	762 - 7620 mm (30 - 300")
Contrast ratio (dynamic)	3000:1	3000:1
Number of colours	16.78 million colours	16.78 million colours
Uniformity	89%	89%
Keystone correction, horizontal	-30 - 30°	-30 - 30°
Keystone correction, vertical	-30 - 30°	-30 - 30°
Light sourceidentical
Light source type	Lamp	Lamp
Service life of light source	2500 h	2500 h
Service life of light source (economic mode)	4000 h	4000 h
Lamp type	UHE	UHE
Lamp power	245 W	245 W
Lens systemidentical
Focus	Manual	Manual
Focal length range	18.2 - 29.2 mm	18.2 - 29.2 mm
Aperture range (F-F)	1.51 - 1.99	1.51 - 1.99
Zoom capability	Yes	Yes
Zoom type	Manual	Manual
Zoom ratio	1.6:1	1.6:1
Throw ratio	1.38 - 2.24:1	1.38 - 2.24:1
Videoidentical
Analog signal format system	NTSC, PAL, SECAM	NTSC, PAL, SECAM
Full HD	No	No
3D	No	No
Supported video modes	1080i, 1080p, 480i, 480p, 576i, 576p, 720p	1080i, 1080p, 480i, 480p, 576i, 576p, 720p
Ports & interfacesidentical
VGA (D-Sub) ports quantity	2	2
HDMI ports quantity	1	1
Component video (YPbPr/YCbCr) in	0	0
Composite video in	0	0
DVI port	No	No
DisplayPorts quantity	1	1
S-Video inputs quantity	0	0
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
Audio (L/R) in	0	0
Audio (L/R) out	0	0
Headphone outputs	0	0
Microphone in	No	No
Serial interface type	RS-232	RS-232
PC Audio in	No	No
PC Audio out	No	No
AUX in	No	No
USB connector type	USB Type-A, USB Type-B	USB Type-A, USB Type-B
Composite video out	0	0
BNC input ports	0	0
AV output	No	No
CardBus PCMCIA slot type	No	No
Digital audio optical out	0	0
Progressive scan output	No	No
AC (power) inKnown for one	—Unknown — not stated by the source	Yes
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN (RJ-45) ports	1	1
Ethernet LAN data rates	10,100 Mbit/s	10,100 Mbit/s
Wi-FiDiffers	No	Yes
Wi-Fi standardsKnown for one	—Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth	No	No
Storageidentical
Card reader integrated	No	No
Featuresidentical
Noise level	37 dB	37 dB
Noise level (economic mode)	29 dB	29 dB
Noise reduction	Yes	Yes
Multimediaidentical
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	1	1
RMS rated power	10 W	10 W
Designidentical
Product type	Standard throw projector	Standard throw projector
Product colour	White	White
Placement	Desktop, Ceiling	Desktop, Ceiling
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Displayidentical
Built-in display	No	No
Poweridentical
Power source	AC	AC
Power consumption (typical)	353 W	353 W
Power consumption (standby)	3.8 W	3.8 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Operational conditionsidentical
Operating relative humidity (H-H)	5 - 35%	5 - 35%
Weight & dimensionsidentical
Weight	3.9 kg	3.9 kg
Width	376 mm	376 mm
Depth	272 mm	272 mm
Height	91 mm	91 mm
Packaging contentidentical
Remote control included	Yes	Yes
Other featuresidentical
RS-232 ports	1	1

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.