ASUS ZenBeam L2 vs Optoma ML750i

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

ASUS ZenBeam L2
MSRP $699.99
Optoma ML750iOptoma ML750i
Display system
Imaging technologyDLPDLP
Technology brandDLPβ€”
Number of imaging devicesβ€”1
Chip / panel diagonal0.23 inβ€”
Native aspect ratioβ€”16:10
Native resolution1920 Γ— 10801280 Γ— 800
Optics
Throw ratio1.2:11.5:1
Projection distance table30β€³: 0.8 m Β· 40β€³: 1.06 m Β· 50β€³: 1.33 m Β· 60β€³: 1.59 m Β· 70β€³: 1.86 m Β· 80β€³: 2.12 m Β· 90β€³: 2.39 m Β· 100β€³: 2.65 m Β· 110β€³: 2.92 m Β· 120β€³: 3.19 m30β€³: 0.97 m Β· 40β€³: 1.29 m Β· 50β€³: 1.62 m Β· 60β€³: 1.94 m Β· 70β€³: 2.26 m Β· 80β€³: 2.58 m
Zoom typeNoneNone
FocusAutoManual
Vertical lens shiftβ€”0%
Fixed offset100%100%
Focal lengthβ€”14.95 mm
F-numberβ€”1.9
Interchangeable lensβ€”No
Image size range30–120 in17–100 in
Vertical keystone-40–40Β°-40–40Β°
Horizontal keystone-30–30Β°β€”
Corner / warp correction4ptβ€”
Light source
Light source typeLEDLED
Light source detailR/G/B LEDRed, green and blue LEDs
Light source lifeRated: 30,000 hRated: 20,000 h
Life definitionUnspecifiedUnspecified
Brightness
ANSI lumens400 lm450 lm
Claimed brightness (non-standard)960700
Claimed brightness unitLED lumensUnspecified
Brightness uniformity (centre-to-corner)β€”85%
Contrast & black level
Dynamic contrast400:120,000:1
Colour
Bit depth / 'number of colours'8 bitβ€”
HDR
HDR formatsHDR10β€”
Motion & gaming
Input lag (rated)β€”1920Γ—1080 @ 60 Hz: 16.6 ms
Audio
Speaker power10 W2 W
Speaker count11
Audio channelsMonoMono
Audio partnerHarman/Kardonβ€”
Audio outputs3.5 mm3.5 mm
Bluetooth audio outYesβ€”
Inputs, control & connectivity
Max input signal3840 Γ— 21601920 Γ— 1080
HDMI port count11
HDMI ports (feature-level)HDMI: HDMI 2.0HDMI: HDMI 1.4b
Horizontal scan frequencyβ€”15.38–91.15 kHz
Vertical scan frequencyβ€”24–85 Hz
USB-C video (DP Alt Mode)Yesβ€”
USB media playbackβ€”Yes
RS-232β€”Yes
Wi-FiWi-Fi 5β€”
Firmware / software
Smart OSAndroid TVAndroid (uncertified)
OS version12β€”
Certified OSYesβ€”
NetflixVia dongleβ€”
CastingChromecast built-inβ€”
RAM2 GBβ€”
Storage16 GBβ€”
SoCAmlogic S905Y4β€”
Update policyProduct security updates for 3 years (until 31/12/2026)β€”
3D
3D supportβ€”Yes
Setup automation
AutofocusWhen movedβ€”
Auto keystoneYesYes
Screen fit / alignmentYesβ€”
Obstacle avoidanceYesβ€”
Integrated stand / gimbalType: fold_out_foot Β· Tilt deg: 4–8β€”
Acoustic noise
Fan noise (sound pressure)Standard: 30 dB(A) Β· Eco: 28 dB(A)Min: 29 dB(A) Β· Max: 32 dB(A)
Environment & power
Operating temperature0–40Β°C0–40Β°C
Operating humidity20–90%RH10–80%RH
Altitude / high-altitude modeβ€”2,500 m
Operating orientationsTable, Ceiling, RearTable, Ceiling, Rear
Rated voltage100–240 V100–240 V
Rated frequency50–60 Hz50–60 Hz
Power consumption (max)90 W67 W
Power consumption by modeβ€”Bright typical 110v: 60 W Β· Bright max 110v: 69 W Β· Bright typical 220v: 57 W Β· Bright max 220v: 66 W Β· Eco typical 110v: 25 W Β· Eco max 110v: 29 W Β· Eco typical 220v: 23 W Β· Eco max 220v: 27 W
Standby power0.5 W0.5 W
Power supplyExternal brickExternal brick
Battery capacity65 Whβ€”
Battery runtime210 minβ€”
USB-C PD input60 Wβ€”
USB-C PD output7.5 Wβ€”
Physical & installation
Width132 mm105 mm
Depth132 mm106 mm
Height172 mm39 mm
Weight1.57 kg0.43 kg
Colours / finishesNavyβ€”
Tripod socketYesYes
Safety & compliance
Safety & market certificationsFCC, CE, RCMFCC
Support & ownership
WarrantyπŸ‡ΊπŸ‡Έ US 2 yrπŸ‡ΊπŸ‡Έ US 1 yr
Light-source warrantyβ€”5 years or 12,000 hours (US)
User manualhttps://dlcdnets.asus.com/pub/ASUS/Projectors/L2/E25011_ZenBeam_L2_EM_V3_WEB.pdf?model=L2https://region-resource.optoma.com/products/import/Documents/1879f1af-9587-4088-a150-cad4681dca36.pdf
In the box
Box contentsProjector, Android tv box, Power adapter, Power cord, Remote, Batteries, Carrying bag, Quick start guide, Warranty cardCarry case, Io cable, Power cord, Remote, Batteries, Quick start guide, Rs232 adapter
Remote typeBluetoothIR