BenQ TH671ST vs Hisense PX3-PRO

Last updated: October 29, 2026

The Hisense PX3-PRO rates 4.3 among ultra short throw projectors; the BenQ TH671ST rates 4.1 among native 1080p ones. The BenQ TH671ST costs $1,648.97 less ($849 vs $2,497.97).

BenQ TH671ST vs Hisense PX3-PRO

Prices were last checked October 29, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Scores side by side

These two sit in different type classes (ultra short throw and native 1080p), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.

Factor weightHisense PX3-PROBenQ TH671ST
Overall rating4.3/54.1/5
Brightness 25%79 3,000 ANSI lumens95 3,000 ANSI lumens
Value 15%78 $0.83 per lumen84 $0.28 per lumen
Resolution 10%100 4K (pixel shift)100 1920 x 1080 native
Streaming 15%100 Google TV with licensed Netflix0 no built-in apps; needs a streaming stick
Setup 10%50 Auto keystone50 Auto keystone, 1.2x zoom
Light life 10%100 25,000 hour RGB laser69 15,000 hour lamp
Gaming 10%48 30 ms input lag100 8 ms input lag
Warranty 5%50 2-year warranty100 3-year warranty

Independent measurements

Hisense PX3-PRO

Tested byBrightnessInput lagContrastConditions
Projector Central2,669 lm7 ms4,000:12,669 lm in Vivid and HDR Vivid. Contrast just over 4,000:1. Input lag with DLP Turbo: 7 ms 1080p/240, 14 ms at 120Hz, 21 ms 2160p/60, 25 ms 1080p/60.

BenQ TH671ST

No independent test published yet.

Specifications

Hisense PX3-PROBenQ TH671ST
Picture
Brightness3,000 ANSI3,000 ANSI
Native resolution1920 x 1080 (1080p)1920 x 1080 (1080p)
Picture resolution4K (pixel shift from 1920x1080)1080p
DisplayDLPDLP
Light sourceRGB laserlamp
Light source life25,000 hours15,000 hours
HDRDolby Vision, HDR10+, HDR10, HLG-
Color gamut110% BT.202092% Rec.709
Native contrast3,000:110,000:1
Placement
ThrowUltra short throw (0.2:1)Short throw (0.7:1)
Largest image150 in300 in
AutofocusNoNo
Auto keystoneYesYes
Obstacle avoidance-No
Auto screen fit-No
Optical zoomNone1.2x
Streaming and gaming
Built-in appsGoogle TV, licensed NetflixNone
Input lag30 ms8 ms
Top refresh rate240 Hz120 Hz
HDMI ports32
eARCYes-
Speakers50 W5 W
Build
BatteryNoneNone
Fan noise-33 dB
Power250 W320 W
Dimensions21.7 x 11.7 x 4.8 in296 x 224 x 120 mm (W x D x H)
Weight19.8 lb6 lb
Warranty2 years3 years
Released2024-082017-11

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