BenQ TH690ST vs BenQ TK700STi
 BenQ TH690STMSRP $1,099 |  BenQ TK700STiMSRP $1,599 | |
|---|---|---|
| Key differences | ||
| White light outputANSI | 2,300 lm ANSI | 3,000 lm ANSI |
| Throw ratio | 0.69–0.83:1 | 0.9–1.08:1 |
| Lowest input lag | 8.3 msDerived | 4.2 msDerived |
| Light source | LED | Lamp |
| Fan noise | Normal 33 dB(A) · Eco 28 dB(A) | Normal 34 dB(A) · Eco 28 dB(A) |
| Price | MSRP $1,099 | MSRP $1,599 |
| Room fit | ||
| Distance to screen | 1.5–1.8 m | 2.0–2.4 m |
| Brightness | ||
| Rated brightness | 2,300 lmDerived | 3,000 lmDerived |
| White light outputANSI | 2,300 lm ANSI | 3,000 lm ANSI |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.65 in | 0.47 in |
| On-screen resolution | 1080p (1920 × 1080)Derived | 4K UHD (3840 × 2160)Derived |
| Native resolution | 1080p (1920 × 1080) | 1080p (1920 × 1080) |
| Native aspect | 16:9Derived | 16:9Derived |
| Addressable resolution | — | 4K UHD (3840 × 2160) |
| Colour wheel segments | — | 8 |
| Contrast | ||
| Dynamic contrast | 500,000:1 | 10,000:1 |
| Dynamic contrast method | Light-source dimming | — |
| Colour | ||
| Colour gamut | Rec. 709 98% coverage · DCI-P3 84% coverage | Rec. 709 96% coverage |
| Colour bit depth (per channel) | 10 bit | 10 bit |
| Gamma / EOTF presets | 2.2, 2.4, 2.6 | 2.2, 2.4, 2.6 |
| Colour temperature presets | — | Native |
| HDR | ||
| HDR formats | HDR10, HLG | HDR10, HLG |
| Calibration | ||
| Colour management (CMS) | 6-axis | 6-axis |
| Picture mode memories | 1 | — |
| 3D | ||
| 3D | Yes | Yes |
| 3D formats | Frame packing, Side-by-side, Top-bottom, Frame sequential | Frame packing, Side-by-side, Top-bottom, Frame sequential |
| 3D glasses sync | DLP-Link | — |
| Light source | ||
| Light source | LED | Lamp |
| Emitter | 4-channel LED | — |
| Lamp power | — | 240 W |
| Light-source life | 20,000 h normal · 30,000 h eco · 20,000 h dynamic | 4,000 h normal · 10,000 h eco · 15,000 h super eco · 8,000 h dynamic |
| Warm-up time | About 10 s | 30 s |
| Cool-down time | About 2 s | 90 s |
| Optics | ||
| Throw ratio | 0.69–0.83:1 | 0.9–1.08:1 |
| Image size | 30–200 in | — |
| Projection offset | 103% | 110% |
| Zoom | Optical | Optical |
| Zoom ratio | 1.2×Derived | 1.2×Derived |
| Focal length | 10.2–12.24 mm | 9.25–11.1 mm |
| Aperture (f-number) | 2.6–2.78 | 1.94–2.05 |
| Focus | Manual | Manual |
| Autofocus | — | No |
| Vertical lens shift | — | None |
| Horizontal lens shift | — | None |
| Vertical keystone | 30° | 30° |
| Horizontal keystone | 30° | 30° |
| Auto keystone | Yes | Yes |
| Motion & gaming | ||
| Max input refresh | 1080p: 120 Hz · 4K UHD: 60 Hz | 1080p: 240 Hz · 4K UHD: 60 Hz |
| Max refresh at 1080p | 120 HzDerived | 240 HzDerived |
| Max refresh at 4K | 60 HzDerived | 60 HzDerived |
| Input lag | 1080p: 60 Hz 16.7 ms · 120 Hz 8.3 ms · 4K UHD: 60 Hz 33.4 ms | 1080p: 60 Hz 16.7 ms · 120 Hz 8.3 ms · 240 Hz 4.2 ms · 4K UHD: 60 Hz 16.7 ms |
| Lowest input lag | 8.3 msDerived | 4.2 msDerived |
| Input lag at 4K 60 Hz | 33.4 msDerived | 16.7 msDerived |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI 2.0 (HDCP 2.2) | 2 × HDMI 2.0 (HDCP 2.2) · HDMI 2.0 (HDCP 2.2, internal) |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 2.0Derived | HDMI 2.0Derived |
| Max input resolution | 4K UHD | 4K UHD |
| Audio inputs | 3.5 mm | — |
| Control ports | RS-232 | RS-232 |
| Horizontal scan | 15–135 kHz | 15–135 kHz |
| Vertical scan | 23–120 Hz | 23–120 Hz |
| Smart platform | ||
| Wi-Fi | — | Wi-Fi 5 |
| Bluetooth | — | 4.2 |
| Smart platform | — | Android TV |
| OS version | — | 10 |
| Netflix | — | No |
| Casting | — | Chromecast built-in |
| Audio | ||
| Speaker power | 10 W | 5 W |
| Speakers | 2 | 1 |
| Tuned by | treVolo, Bongiovi DPS | treVolo, Bongiovi DPS |
| Audio formats | — | Dolby Atmos |
| Audio outputs | 3.5 mm, + Optical | 3.5 mm, + HDMI eARC |
| HDMI audio return | NoneDerived | eARCDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 366 × 244 × 118 mm | 312 × 246 × 110 mm |
| Weight | 3,600 g | 3,100 g |
| Orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Ceiling mount | M4, 20–25 mm screws | M4 |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | 10–90%RH | 10–90%RH |
| Altitude | 3,000 m · high-altitude mode | 3,000 m · high-altitude mode |
| Power draw | Max 200 W · Normal 140 W · Eco 120 W | Max 380 W · Normal 310 W |
| Standby | Up to 0.5 W | Up to 0.5 W |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Normal 33 dB(A) · Eco 28 dB(A) | Normal 34 dB(A) · Eco 28 dB(A) |
| Safety & compliance | ||
| Risk group | RG2 | RG2 |
| Support & ownership | ||
| Warranty | 3 yr | 3 yr |
| User manual | https://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/TH690ST/TH690ST_UM_EN_240429112711.pdf | https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20CONSUMER/UserManual/TK700STi/TK700STi_UM_EN_240717161751.pdf |
| In the box | ||
| In the box | Power cord, Remote, Remote batteries, Quick start guide, Warranty card | Power cord, Remote, Remote batteries, Quick start guide, Warranty card, + Streaming dongle |
| Remote | IR | — |