BenQ X3100i vs Optoma UHD35x

BenQ X3100i is in stock. Optoma UHD35x is $300 cheaper, brighter and quieter.

Key differences
White light outputANSI
3,300 lm ANSI3,600 lm ANSI
Throw ratio
1.15–1.5:11.5–1.66:1
Light source
LEDLamp
Fan noise
Normal 32 dB(A) · Eco 28 dB(A)Max 28 dB(A) · Normal 26 dB(A)
MSRP
$2,399$1,499
Best price
$1,799—
Room fit
Distance to screen
2.5–3.3 m3.3–3.7 m
Picture
White light outputANSI
3,300 lm ANSI3,600 lm ANSI
Brightness uniformity
—80%
Imaging technology
DLPDLP
Chip / panel diagonal
0.65 in0.47 in
Native resolution
1080p (1920 × 1080)1080p (1920 × 1080)
Native aspect
16:9Derived16:9Derived
Pixel shift
XPR 4-way—
Addressable resolution
4K UHD (3840 × 2160)4K UHD (3840 × 2160)
Colour wheel segments
—8
Dynamic contrast
600,000:11,000,000:1
Dynamic contrast method
Light-source dimming—
Colour gamut
Rec. 709 95% coverage · DCI-P3 100% coverage—
Colour bit depth (per channel)
10 bit—
Gamma / EOTF presets
2.2, 2.4, 2.6—
Colour temperature presets
Native—
HDR formats
HDR10, HLGHDR10, HLG
Tone mapping
Adjustable—
Colour management (CMS)
6-axis—
Greyscale control points
2—
Picture certifications
—ISF
3D
YesYes
3D formats
Frame packing, Side-by-side, Top-bottom, Frame sequentialFrame packing, Frame sequential
3D glasses sync
—DLP-Link
Light source
Light source
LEDLamp
Emitter
4-channel LED—
Lamp power
—240 W
Replacement lamp
—BL-FU240E
Light-source life
20,000 h normal · 30,000 h eco · 30,000 h dynamic4,000 h max · 10,000 h eco · 15,000 h dynamic
Warm-up time
15 s—
Cool-down time
15 s—
Optics
Throw ratio
1.15–1.5:11.5–1.66:1
Image size
60–200 in33–300 in
Projection offset
110%105%
Zoom
OpticalOptical
Zoom ratio
1.3×Derived1.11×Derived
Focal length
17.02–22.21 mm15.84–17.42 mm
Aperture (f-number)
1.8–2.251.98–2.02
Focus
ManualManual
Autofocus
No—
Vertical lens shift
±10%None
Motorised lens shift
No—
Vertical keystone
30°40°
Horizontal keystone
30°40°
Auto keystone
Yes—
Corner correction
—4-corner
Motion & gaming
Frame interpolation (MEMC)
No—
Max input refresh
1080p: 240 Hz · 4K UHD: 60 Hz1080p: 240 Hz · 4K UHD: 60 Hz
Input lag
1080p: 60 Hz 16.7 ms · 120 Hz 8.3 ms · 240 Hz 4.2 ms · 4K UHD: 60 Hz 16.7 ms1080p: 60 Hz 16.7 ms · 120 Hz 8.9 ms · 240 Hz 4.2 ms · 4K UHD: 60 Hz 16.7 ms
Inputs & control
HDMI inputs
HDMI 2.0 (HDCP 2.2) · HDMI 2.0 (eARC, HDCP 2.2)2 × HDMI 2.0 (HDCP 2.2)
Max input resolution
4K UHD4K UHD
USB media playback
Yes—
Control ports
RS-232, 12 V triggerRS-232, 12 V trigger
Horizontal scan
15–135 kHz31–135 kHz
Vertical scan
23–240 Hz24–120 Hz
Smart platform
Wi-Fi
Wi-Fi 5—
Bluetooth
5.0—
Smart platform
Android TV—
OS version
11—
Google-certified
Yes—
Security updates until
31 Dec 2026—
Netflix
Via dongle—
Casting
Chromecast built-in—
Audio
Speaker power
10 W10 W
Speakers
21
Layout
Stereo—
Tuned by
Bongiovi DPS—
Audio formats
Dolby Atmos—
Audio outputs
3.5 mm, Optical, HDMI eARC, Bluetooth3.5 mm, Optical
HDMI audio return
eARCDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
272 × 259 × 213 mm315 × 270 × 118 mm
Weight
6,800 g3,980 g
Colours
—White
Orientations
Table, Ceiling, RearTable, Ceiling, Rear
Ceiling mount
M4, 20–25 mm screws—
Exhaust
Side—
Environment & power
Operating temperature
0–40°C5–40°C
Operating humidity
10–90%RH10–85%RH
Altitude
3,000 m · high-altitude mode3,000 m
Power draw
Max 360 W · Normal 330 WMax 305 W · Eco 220 W
Standby
Up to 0.5 W0.5 W
Power supply
Built inBuilt in
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 32 dB(A) · Eco 28 dB(A)Max 28 dB(A) · Normal 26 dB(A)
Safety & support
Risk group
RG2RG2
Warranty
3 yr1 yr (light source 3 mo)
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/X3100i/X3100i_UM_EN_230919170246.pdfhttps://region-resource.optoma.com/products/import/Documents/13cdc4ab-4017-4930-a4fd-d023d407c4fe.pdf
Firmware
1.10—
Spare parts
—Lamp BL-FU240E
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guide, Warranty card, Streaming donglePower cord, Remote, Remote batteries, User manual
Remote
IRBacklit
BenQ X3100i$1,799 · Amazon
Buy