BenQ TH575i vs Optoma HL31LV

BenQ TH575i is $205.05 cheaper and lighter. Optoma HL31LV is better for gaming.

BenQ TH575i$649 · Amazon
Buy
Optoma HL31LV$854.05 · Amazon
Buy
Key differences
White light output
3,800 lm ANSI3,500 lm ISO
Lowest input lag
16.7 msDerived8.4 msDerived
HDR formats
—HLG
Light source
LampLED
Fan noise
Normal 34 dB(A) · Eco 29 dB(A)Max 35 dB(A) · Eco 29 dB(A)
MSRP
$649—
Best price
$649$854.05
Room fit
Distance to screen
3.3–3.6 m3.3–3.6 m
Picture
White light output
3,800 lm ANSI3,500 lm ISO
Brightness uniformity
—85%
Imaging technology
DLPDLP
Native resolution
1080p (1920 × 1080)1080p (1920 × 1080)
Native aspect
16:9Derived16:9Derived
Dynamic contrast
15,000:1300,000:1
Colour gamut
Rec. 709 88% coverage—
Colour bit depth (per channel)
10 bit10 bit
Gamma / EOTF presets
2.2, 2.4, 2.62.2, 2.4
Colour temperature presets
Native—
HDR formats
—HLG
Colour management (CMS)
6-axis6-axis
Picture mode memories
2—
Picture certifications
—ISF
3D
YesYes
3D formats
Frame packing, Side-by-side, Top-bottom, Frame sequentialFrame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses sync
—DLP-Link
Light source
Light source
LampLED
Lamp power
203 W—
Light-source life
6,000 h normal · 10,000 h eco · 15,000 h super eco · 10,000 h dynamicUp to 30,000 h eco
Light output control
—Steps
Warm-up time
30 s—
Cool-down time
90 s—
Optics
Throw ratio
1.49–1.64:11.49–1.64:1
Image size
30–300 in30–300 in
Projection offset
108%103%
Zoom
OpticalOptical
Zoom ratio
1.1×Derived1.1×Derived
Focal length
22–24.1 mm22–24.1 mm
Aperture (f-number)
2.56–2.682.4–2.5
Focus
ManualManual
Autofocus
No—
Vertical keystone
40°30°
Horizontal keystone
—30°
Auto keystone
Yes—
Corner correction
—4-corner
Motion & gaming
Max input refresh
—1080p: 120 Hz · 4K UHD: 60 Hz
Input lag
1080p: 60 Hz 16.7 ms1080p: 60 Hz 16.7 ms · 120 Hz 8.4 ms · 4K UHD: 60 Hz 33.7 ms
Inputs & control
HDMI inputs
HDMI 1.4 (HDCP 1.4)2 × HDMI 2.0
Other video inputs
—VGA
Max input resolution
WUXGADCI 4K
Audio inputs
—3.5 mm
Control ports
RS-232RS-232
PJLink
—Class 2
Control-system drivers
—Crestron, AMX
Horizontal scan
15–102 kHz15–135 kHz
Vertical scan
24–120 Hz24–120 Hz
Smart platform
Ethernet
—Yes
Smart platform
Google TV—
Netflix
Via dongle—
Audio
Speaker power
10 W10 W
Speakers
11
Layout
MonoMono
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
296 × 237 × 120 mm307 × 228 × 125 mm
Weight
2,300 g3,100 g
Orientations
Table, Ceiling, RearTable, Ceiling, Rear, Portrait, 360°
Built-in stand
—Foot
Ceiling mount
M4, 8 mm deepM4, screws ≥ 10 mm
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
10–90%RH—
Altitude
3,000 m · high-altitude mode3,048 m · high-altitude mode
Power draw
Max 295 W · Normal 295 WNormal 226 W · Eco 130 W
Standby
Up to 0.5 WUp to 0.5 W
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 34 dB(A) · Eco 29 dB(A)Max 35 dB(A) · Eco 29 dB(A)
Safety & support
Risk group
RG2RG2
Marks
—FCC
Warranty
3 yr (light source 1 yr or 2,000 h)1 yr (light source 5 yr or 12,000 h)
User manual
https://www.benq.com/en-us/support/downloads-faq/products/projector/th575i/manual.htmlhttps://region-resource.optoma.com/products/documents/TbSJrephJwwjUrSZCJ00GyX2mbidYpGRwtjMXOZQ.pdf
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guide, Warranty card, Streaming donglePower cord, Remote, Remote batteries, Quick start guide
Remote
—IR · backlit
BenQ TH575i$649 · Amazon
Buy
Optoma HL31LV$854.05 · Amazon
Buy