Epson PowerLite L790U vs Panasonic PT-VMZ51S

Epson PowerLite L790UEpson PowerLite L790U
MSRP $4,502
Panasonic PT-VMZ51SPanasonic PT-VMZ51S
Key differences
White light outputISO7,300 lm ISO5,200 lm ISO (Dynamic mode) · 5,200 lm ANSI (Dynamic mode)
Throw ratio1.35–2.2:11.09–1.77:1
Fan noiseNormal 34 dB(A) · Eco 26 dB(A)Normal 36 dB(A) · Eco 36 dB(A)
PriceMSRP $4,502—
Room fit
Distance to screen2.9–4.7 m2.3–3.8 m
Brightness
Rated brightness7,300 lmDerived5,200 lmDerived
White light outputISO7,300 lm ISO5,200 lm ISO (Dynamic mode) · 5,200 lm ANSI (Dynamic mode)
Colour light output7,300 lm—
Brightness uniformity88%85%
Display system
Imaging technology3LCD3LCD
Chip / panel diagonal0.67 in0.64 in
On-screen resolutionWUXGA (1920 × 1200)DerivedWUXGA (1920 × 1200)Derived
Native resolutionWUXGA (1920 × 1200)WUXGA (1920 × 1200)
Native aspect16:10Derived16:10Derived
Contrast
Dynamic contrastOver 5,000,000:13,000,000:1
Dynamic contrast method—Light-source dimming
Colour
Colour bit depth (per channel)10 bit—
Light source
Light sourceLaser (phosphor)Laser (phosphor)Derived
Emitter—Blue laser + phosphor
Light engine—SOLID SHINE
Light-source life20,000 h normal · 30,000 h eco20,000 h normal · 24,000 h eco
Life defined as50% brightness50% brightness
Light output controlContinuous—
Constant brightness modeYes—
Optics
Throw ratio1.35–2.2:11.09–1.77:1
Image size50–500 in30–300 in
ZoomOpticalOptical
Zoom ratio1.63×Derived1.62×Derived
Focal length20–31.8 mm15.3–24.64 mm
Aperture (f-number)1.5–1.71.6–2.12
FocusManualManual
Autofocus—No
Vertical lens shift±50%0–44%
Horizontal lens shift±20%±20%
Motorised lens shiftNoNo
Vertical keystone30°25°
Horizontal keystone30°35°
Interchangeable lensNoNo
Inputs & control
HDMI inputs2 × HDMI (HDCP 2.3)2 × HDMI
HDMI inputs (count)2Derived2Derived
Other video inputs+ HDBaseT+ VGA
Max input resolution—DCI 4K
Audio inputs—3.5 mm
USB media playbackYesYes
Control portsRS-232RS-232
PJLinkClass 2Class 2
Control-system drivers+ Control4, Crestron, + AMXCrestron
Horizontal scan26–135 kHz15.6–91.1 kHz
Vertical scan23.98–60 Hz24–100 Hz
Smart platform
Wi-FiWi-Fi 6E—
EthernetYesYes
CastingAirPlay 2, Miracast—
Audio
Speaker power10 W10 W
Speakers11
LayoutMonoMono
Audio outputs3.5 mm3.5 mm
HDMI audio returnNoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)440 × 304 × 122 mm399 × 348 × 133 mm
Weight8,664 g6,500 g
ColoursWhiteWhite
OrientationsTable, Ceiling, RearTable, Ceiling, Rear, + 360°
Ceiling mount4 × M4, screws ≤ 9 mm, 100 × 100 mm spacing—
Dust filterReplaceableWashable
Environment & power
Operating temperature0–45°C0–45°C
Operating humidity20–80%RH20–80%RH
Altitude3,048 m2,700 m
Power drawNormal 415 W · Eco 305 WMax 300 W · Normal 265 W · Eco 190 W
Standby0.3 W0.5 W
Networked standby2.4 W—
Mains input100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Noise
Fan noiseNormal 34 dB(A) · Eco 26 dB(A)Normal 36 dB(A) · Eco 36 dB(A)
Safety & compliance
Laser classClass 1Class 1
Risk groupRG2RG2
FDA laser noticeNotice 57—
MarksFCCFCC
Support & ownership
Warranty🇺🇸 US 3 yr · 🇨🇦 CA 3 yr3 yr or 6,000 h (light source 3 yr or 6,000 h)
User manualhttps://download2.ebz.epson.net/sec_pubs_visual/eai/projectors/pdf/useg/EN/UsersGuide_EBL890E_EN_EAI.pdfhttps://docs.connect.panasonic.com/projector/products/vmz71/resources/
Spare partsAir filter V13H134AF0 · Mount V12H809001 · Mount V12H808001—
In the box
In the boxPower cord, Remote, Remote batteries, + Quick start guidePower cord, Remote, Remote batteries, + Lens cap