Optoma W405LVe 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.

Optoma W405LVeOptoma W405LVeOptoma ZH451ST
Display system
Imaging technologyDLPDLP
Technology brandβ€”DLP
Native aspect ratio16:1016:9
Native resolution1280 Γ— 8001920 Γ— 1080
Optics
Throw ratio1.55–1.73:10.5:1
Projection distance tableβ€”30β€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 typeOpticalDerivedNone
Zoom ratio1.1Γ—1Γ—
FocusManualManual
Fixed offset112%116%
Focal length21.85–24 mm7.51 mm
F-numberβ€”2.8
Image size range30–300 in30–300 in
Vertical keystone-40–40Β°-15–15Β°
Horizontal keystoneβ€”-15–15Β°
Corner / warp correctionβ€”4pt
Light source
Light source typeLampLaser (phosphor)
Light source detailβ€”Laser (Optoma DuraCore)
Lamp wattage203 Wβ€”
Light source lifeBright: 6,000 h Β· Dynamic: 12,000 h Β· Eco: 10,000 h Β· Eco plus: 15,000 hNormal: 30,000 h
Constant brightness modeβ€”Yes
Cool-down timeβ€”90 s
Light-source dimmingβ€”Manual steps
Brightness
ISO light outputβ€”4,200 lm
ANSI lumens4,200 lmβ€”
Brightness uniformity (centre-to-corner)75%75%
Contrast & black level
Dynamic contrast30,000:12,000,000:1
Colour
Gamma / EOTF presetsβ€”2.2, 2.4
Bit depth / 'number of colours'β€”10 bit
Filmmaker Modeβ€”Yes
Calibration & picture control
Colour management systemβ€”6-axis
ISF certifiedβ€”Yes
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 power10 W15 W
Speaker count11
Audio channelsMonoMono
Inputs, control & connectivity
Max input signal1920 Γ— 10803840 Γ— 2160
HDMI port count1Derived2
HDMI ports (feature-level)HDMI: HDMI 1.4aHDMI 1: HDMI 2.0; HDMI 2: HDMI 2.0
Audio input terminals3.5 mmβ€”
Horizontal scan frequency15.38–91.15 kHz15–135 kHz
Vertical scan frequency50–85 Hz24–120 Hz
VGA inputYesYes
RS-232YesYes
LAN controlβ€”Yes
Wired IR inputβ€”Yes
12 V triggerβ€”Yes
PJLink classβ€”Class 1
Control ecosystem driversβ€”Crestron
Ethernetβ€”Yes
3D
3D supportYesYes
3D sync methodβ€”DLP-Link
3D formatsSide-by-side, Frame packing, Top-bottomSide-by-side, Top-bottom, Frame sequential
Acoustic noise
Fan noise (sound pressure)Min: 27 dB(A) Β· Max: 29 dB(A)Min: 29 dB(A) Β· Max: 36 dB(A)
Environment & power
Operating temperature5–40Β°C0–40Β°C
Operating humidity10–85%RHβ€”
Altitude / high-altitude mode3,000 m2,500 m
High-altitude modeβ€”Yes
Operating orientationsTable, Ceiling, RearPortrait, 360Β°
Rated voltage100–240 V100–240 V
Rated frequency50–60 Hz50–60 Hz
Power consumption (max)225 W170 W
Power consumption by modeMin: 187 W Β· Max: 225 Wβ€”
Standby power0.5 W0.5 W
Power supplyβ€”External brick
Physical & installation
Width316 mm274 mm
Depth244 mm216 mm
Height108 mm114 mm
Weight3.04 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 certificationsβ€”FCC
Support & ownership
User manualhttps://region-resource.optoma.com/products/import/Documents/56ac35cf-7cb4-46f0-acc0-75c846804ea2.pdfhttps://region-resource.optoma.com/products/documents/0NL94Q0vvVEJVe7dxQKlMzhtuURlT8FwUXNkLi8y.pdf
In the box
Box contentsRemote, Power cord, Battery, Quick start guidePower cord, Remote, Batteries, Quick start guide
Remote typeβ€”IR