BenQ AK700ST vs BenQ LK830ST
BenQ AK700ST is lighter. BenQ LK830ST is $300 cheaper, better for gaming and quieter.
BenQ LK830ST$2,599 · Amazon Buy |
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| Key differences | ||
|---|---|---|
| Native resolution | ||
| Native resolution | — | 1080p (1920 × 1080) |
| Throw ratio | ||
| Throw ratio | 0.69–0.83:1 | 0.5:1 |
| Lowest input lag | ||
| Lowest input lag | 8.4 msDerived | 4.2 msDerived |
| Light source | ||
| Light source | Hybrid laser + LED | Laser (phosphor) |
| Fan noise | ||
| Fan noise | Normal 32 dB(A) · Eco 29 dB(A) | Normal 30 dB(A) · Eco 24 dB(A) |
| MSRP | ||
| MSRP | $2,899 | $2,499 |
| Best price | ||
| Best price | — | $2,599 |
| Room fit | ||
| Distance to screen | ||
| Distance to screen | 1.5–1.8 m | 1.1 m |
| Picture | ||
| White light outputANSI | ||
| White light outputANSI | 4,000 lm ANSI | 4,000 lm ANSI |
| Imaging technology | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | ||
| Chip / panel diagonal | 0.65 in | 0.65 in |
| Native resolution | ||
| Native resolution | — | 1080p (1920 × 1080) |
| Native aspect | ||
| Native aspect | 16:9Derived | 16:9Derived |
| Pixel shift | ||
| Pixel shift | — | XPR 4-way |
| Addressable resolution | ||
| Addressable resolution | 4K UHD (3840 × 2160) | 4K UHD (3840 × 2160) |
| Dynamic contrast | ||
| Dynamic contrast | 3,000,000:1 | 3,000,000:1 |
| Colour gamut | ||
| Colour gamut | Rec. 709 95% coverage | Rec. 709 93% coverage |
| Colour bit depth (per channel) | ||
| Colour bit depth (per channel) | 10 bit | 10 bit |
| Gamma / EOTF presets | ||
| Gamma / EOTF presets | 2.2, 2.4, 2.6 | 2.2, 2.4, 2.6 |
| HDR formats | ||
| HDR formats | HDR10, HLG | HDR10, HLG |
| Tone mapping | ||
| Tone mapping | — | Adjustable |
| Colour management (CMS) | ||
| Colour management (CMS) | 6-axis | 6-axis |
| Picture mode memories | ||
| Picture mode memories | 2 | 2 |
| 3D | ||
| 3D | Yes | Yes |
| 3D formats | ||
| 3D formats | Frame packing, Side-by-side, Top-bottom, Frame sequential | Frame packing, Side-by-side, Top-bottom, Frame sequential |
| Light source | ||
| Light source | ||
| Light source | Hybrid laser + LED | Laser (phosphor) |
| Emitter | ||
| Emitter | Laser + LED | — |
| Light-source life | ||
| Light-source life | 20,000 h normal · 30,000 h eco | 20,000 h normal · 30,000 h eco |
| Light output control | ||
| Light output control | — | Continuous |
| Warm-up time | ||
| Warm-up time | 10 s | — |
| Optics | ||
| Throw ratio | ||
| Throw ratio | 0.69–0.83:1 | 0.5:1 |
| Image size | ||
| Image size | 60–120 in | 70–300 in |
| Projection offset | ||
| Projection offset | 103% | 114% |
| Zoom | ||
| Zoom | Optical | Digital |
| Zoom ratio | ||
| Zoom ratio | 1.2×Derived | — |
| Focal length | ||
| Focal length | 10.2–12.24 mm | 17.51 mm |
| Aperture (f-number) | ||
| Aperture (f-number) | 2.53–2.73 | 2.8 |
| Focus | ||
| Focus | Motorised | Manual |
| Autofocus | ||
| Autofocus | Yes | — |
| Vertical lens shift | ||
| Vertical lens shift | None | None |
| Horizontal lens shift | ||
| Horizontal lens shift | None | None |
| Vertical keystone | ||
| Vertical keystone | 30° | 30° |
| Horizontal keystone | ||
| Horizontal keystone | 30° | 30° |
| Auto keystone | ||
| Auto keystone | Yes | Yes |
| Corner correction | ||
| Corner correction | 4-corner | 4-corner |
| Grid warp | ||
| Grid warp | Yes | Yes |
| Auto setup | ||
| Auto setup | Fit to screen | — |
| Interchangeable lens | ||
| Interchangeable lens | — | No |
| Motion & gaming | ||
| Max input refresh | ||
| Max input refresh | 1080p: 240 Hz · 4K UHD: 60 Hz | 1080p: 120 Hz · 240 Hz · 4K UHD: 60 Hz |
| Input lag | ||
| Input lag | 1080p: 60 Hz 33.4 ms · 120 Hz 16.7 ms · 240 Hz 8.4 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 |
| Inputs & control | ||
| HDMI inputs | ||
| HDMI inputs | HDMI 2.0 (HDCP 2.2) · HDMI 2.0 (eARC, HDCP 2.2) | 2 × HDMI 2.0 (HDCP 2.2) |
| Other video inputs | ||
| Other video inputs | USB-C (DisplayPort) | — |
| Max input resolution | ||
| Max input resolution | 4K UHD | 4K UHD |
| Control ports | ||
| Control ports | RS-232 | RS-232 |
| Control-system drivers | ||
| Control-system drivers | — | AMX |
| Horizontal scan | ||
| Horizontal scan | 15–135 kHz | 15–135 kHz |
| Vertical scan | ||
| Vertical scan | 23–240 Hz | 23–240 Hz |
| Smart platform | ||
| Wi-Fi | ||
| Wi-Fi | — | None |
| Ethernet | ||
| Ethernet | — | Yes |
| Audio | ||
| Speaker power | ||
| Speaker power | 10 W | 15 W |
| Speakers | ||
| Speakers | 1 | 1 |
| Layout | ||
| Layout | Mono | Mono |
| Audio outputs | ||
| Audio outputs | 3.5 mm, HDMI eARC | 3.5 mm |
| HDMI audio return | ||
| HDMI audio return | eARCDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | ||
| Dimensions (W × D × H) | 304 × 235 × 112 mm | 279 × 229 × 121 mm |
| Weight | ||
| Weight | 3,400 g | 3,600 g |
| Colours | ||
| Colours | — | Black |
| Orientations | ||
| Orientations | Table, Ceiling, Rear | Ceiling, Rear |
| Ceiling mount | ||
| Ceiling mount | M4, 8 mm screws | M4 |
| Dust filter | ||
| Dust filter | None | — |
| Ingress protection | ||
| Ingress protection | IP5X (light engine) | IP6X (light engine) |
| Sealed optical engine | ||
| Sealed optical engine | Yes | Yes |
| Environment & power | ||
| Operating temperature | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | ||
| Operating humidity | 10–90%RH | 10–80%RH |
| Altitude | ||
| Altitude | 3,000 m · high-altitude mode | 3,000 m · high-altitude mode |
| Power draw | ||
| Power draw | Max 320 W · Normal 192 W · Eco 136 W | Max 250 W · Normal 230 W · Eco 130 W |
| Standby | ||
| Standby | Up to 0.5 W | Up to 0.5 W |
| Networked standby | ||
| Networked standby | — | Up to 2 W |
| Power supply | ||
| Power supply | — | External adapter |
| Mains input | ||
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| DC input | ||
| DC input | — | 24 V |
| Fan noise | ||
| Fan noise | Normal 32 dB(A) · Eco 29 dB(A) | Normal 30 dB(A) · Eco 24 dB(A) |
| Safety & support | ||
| Laser class | ||
| Laser class | Class 1 | Class 1 |
| Risk group | ||
| Risk group | RG2 | RG2 |
| Warranty | ||
| Warranty | 3 yr | 3 yr |
| User manual | ||
| User manual | https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20CONSUMER/UserManual/AK700ST/AK700ST_UM_EN_250102091624.pdf | https://www.audiogeneral.com/BenQ/LK830ST/LK830ST_LH830ST_LW830ST_User_Manual.pdf |
| In the box | ||
| In the box | ||
| In the box | Power cord, Remote, Remote batteries, Quick start guide, Warranty card | Power cord, Power adapter, Remote, Remote batteries, Quick start guide, Warranty card |
| Remote | ||
| Remote | IR | Backlit |
BenQ LK830ST$2,599 · Amazon
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