NEC NP-P401W vs Optoma ZH451ST

Bold marks the better figure where both are stated to the same standard. β€œβ€”β€ means the manufacturer doesn't state it.

NEC NP-P401W
MSRP $1,799
Optoma ZH451ST
Display system
Imaging technology3LCDDLP
Technology brand3LCDDLP
Number of imaging devices3β€”
Chip / panel diagonal0.59 inβ€”
Native aspect ratio16:1016:9
Native resolution1280 Γ— 8001920 Γ— 1080
Optics
Throw ratio1.3–2.2:10.5:1
Projection distance table40β€³: 1.12–1.9 m Β· 60β€³: 1.71–2.87 m Β· 80β€³: 2.3–3.85 m Β· 100β€³: 2.89–4.82 m Β· 120β€³: 3.47–5.8 m Β· 150β€³: 4.35–7.26 m Β· 200β€³: 5.82–9.7 m Β· 300β€³: 8.76–14.58 m30β€³: 0.33 m Β· 40β€³: 0.44 m Β· 50β€³: 0.55 m Β· 60β€³: 0.66 m Β· 70β€³: 0.77–0.77 m Β· 80β€³: 0.88 m Β· 90β€³: 0.99 m Β· 100β€³: 1.1–1.1 m Β· 120β€³: 1.32 m Β· 150β€³: 1.65 m Β· 180β€³: 1.98 m Β· 200β€³: 2.2 m Β· 250β€³: 2.75 m Β· 300β€³: 3.3 m
Zoom typeOpticalNone
Zoom ratio1.7Γ—1Γ—
FocusManualManual
Vertical lens shift0–60%β€”
Motorized lens shiftNoβ€”
Fixed offsetβ€”116%
Focal length17.4–29 mm7.51 mm
F-number1.7–2.22.8
Image size range25–300 in30–300 in
Vertical keystone-30–30Β°-15–15Β°
Horizontal keystone-30–30Β°-15–15Β°
Corner / warp correction4pt4pt
Light source
Light source typeLampLaser (phosphor)
Light source detail240 W UHP AC lamp (NP23LP replacement)Laser (Optoma DuraCore)
Lamp wattage240 Wβ€”
Light source lifeEco: 6,000 h Β· Normal: 5,000 h Β· High bright: 4,000 hNormal: 30,000 h
Life definitionUnspecifiedβ€”
Constant brightness modeβ€”Yes
Warm-up time3 sβ€”
Cool-down time0 s90 s
Light-source dimmingβ€”Manual steps
Brightness
ISO light output4,000 lm4,200 lm
Brightness by modeHigh bright: 4,000 lm Β· Normal: 3,300 lm Β· Eco: 2,680 lmβ€”
Brightness uniformity (centre-to-corner)β€”75%
Contrast & black level
Dynamic contrast4,000:12,000,000:1
Dynamic light controlDynamic irisβ€”
Colour
Gamma / EOTF presetsβ€”2.2, 2.4
Bit depth / 'number of colours'30 bit10 bit
Filmmaker Modeβ€”Yes
Calibration & picture control
Colour management systemβ€”6-axis
ISF certifiedβ€”Yes
Picture mode memories7β€”
HDR
HDR formatsβ€”HDR10, HLG
Motion & gaming
Input lag (rated)β€”1920Γ—1080 @ 60 Hz: 16.7 ms Β· 1920Γ—1080 @ 120 Hz: 8.4 ms Β· 3840Γ—2160 @ 60 Hz: 16.7 ms
Audio
Speaker power16 W15 W
Speaker count11
Audio channelsMonoMono
Audio outputs3.5 mmβ€”
Inputs, control & connectivity
Max input signal1920 Γ— 12003840 Γ— 2160
HDMI port count22
HDMI ports (feature-level)β€”HDMI 1: HDMI 2.0; HDMI 2: HDMI 2.0
Audio input terminals3.5 mm, Rca, Hdmiβ€”
Horizontal scan frequency15–100 kHz15–135 kHz
Vertical scan frequency50–120 Hz24–120 Hz
VGA inputYesYes
USB media playbackYesβ€”
RS-232YesYes
LAN controlYesYes
Wired IR inputβ€”Yes
12 V triggerβ€”Yes
PJLink classClass 1Class 1
Control ecosystem driversCrestronCrestron
EthernetYesYes
3D
3D supportNoYes
3D sync methodβ€”DLP-Link
3D formatsβ€”Side-by-side, Top-bottom, Frame sequential
Acoustic noise
Fan noise (sound pressure)Eco: 29 dB(A) Β· Normal: 36 dB(A)Min: 29 dB(A) Β· Max: 36 dB(A)
Environment & power
Operating temperature5–40Β°C0–40Β°C
Operating humidity20–80%RHβ€”
Altitude / high-altitude mode2,700 m2,500 m
High-altitude modeYesYes
Operating orientationsTable, Ceiling, Rear, Tilt-limitedPortrait, 360Β°
Rated voltage100–240 V100–240 V
Rated frequency50–60 Hz50–60 Hz
Power consumption (max)325 W170 W
Power consumption by modeHigh bright: 325 W Β· Normal: 274 W Β· Eco: 231 Wβ€”
Standby power0.4 W0.5 W
Networked standby power2.8 Wβ€”
Power supplyβ€”External brick
Physical & installation
Width398 mm274 mm
Depth282 mm216 mm
Height115 mm114 mm
Weight4.1 kg3 kg
Ingress protectionβ€”IP6X
Mount hole patternβ€”Thread: M4 Β· Screw length mm: 10
Safety & compliance
Photobiological risk groupβ€”RG2
Hazard distanceβ€”1 m
Laser product classβ€”Class 1
Safety & market certificationsUL, FCCFCC
Support & ownership
WarrantyπŸ‡ΊπŸ‡Έ US 3 yr Β· πŸ‡ͺπŸ‡Ί EU 3 yrβ€”
Light-source warrantyUS: 1 year or 500 hours, whichever comes first. EU: 6 months, max. 1000 hrsβ€”
User manualhttps://sharp-displays.jp.sharp/support/webdl/dl_service/data/manual/en/p501x/P501X_manual_ENG_v2.pdfhttps://region-resource.optoma.com/products/documents/0NL94Q0vvVEJVe7dxQKlMzhtuURlT8FwUXNkLi8y.pdf
In the box
Box contentsRemote control, Vga cable, Power cord, Quick setup guide, Security sticker, Users manual, Utility softwarePower cord, Remote, Batteries, Quick start guide
Remote typeIRIR