11.14 in 3.74 in  | 11.73 in 3.8 in  | |
| Available colors | ||
| User rating |
 BenQ MS527 |  Optoma S331 | |
|---|---|---|
| Projector type | DLP | DLP |
| BenQ MS527 | Optoma S331 | |
|---|---|---|
| DVI in | no | no |
| HDMI | yes | yes |
| HDMI version | 1.4a | 1.4a |
| Number of HDMI inputs | 1 | 2 |
| MHL | no | yes |
| USB | yes | yes |
| USB 2.0 | 1 | 1 |
| VGA in | yes | yes |
| AC (power) input | yes | yes |
| BenQ MS527 | Optoma S331 | |
|---|---|---|
| Design type | Desktop projector | Desktop projector |
| Colour of product | White | Black |
| Built-in display | no | no |
| BenQ MS527 | Optoma S331 | |
|---|---|---|
| Noise level | < 33 | < 29 |
| Noise level (economic mode) | 28.0 dB | 29.0 dB |
| BenQ MS527 | Optoma S331 | |
|---|---|---|
| Width | 11.14 in | 11.73 in |
| Height | 3.74 in | 3.8 in |
| Depth | 8.74 in | 9.06 in |
| Weight | 4.19 lb | 4.78 lb |
| BenQ MS527 | Optoma S331 | |
|---|---|---|
| Focal length range (f-f) | 22.04 - 24.14 | 21.85 - 24.01 |
| Throw ratio | 1.96 - 2.15 | 1.94 - 2.16 |
| Aperture range (F-F) | 2.56 - 2.68 | 2.4 - 2.53 |
| Zoom ratio | 1.1 x | 1.1 x |
| Projection distance | 2.4 - 11.95 | 1 - 12 |
| Offset | 120.0 % | 115.0 % |
| BenQ MS527 | Optoma S331 | |
|---|---|---|
| Type of lamp | Bulb | Bulb |
| Lamp life max (normal) | 4500.0 h | 5000.0 h |
| Lamp life max (eco) | 6000.0 h | 10000.0 h |
| Bulb power | 190.0 W | 195.0 W |
| BenQ MS527 | Optoma S331 | |
|---|---|---|
| Screen size | 152 - 300 | 28 - 304.3 |
| Screen size compatibility | 60 - 300 | 27.78 - 304.4 |
| Resolution | 800 x 600 px | 800 x 600 px |
| Number of colours | 1.07 billion colours | 1.07 billion colours |
| Native aspect ratio | 4:3 | 4:3 |
| Aspect ratio | 4:3 |
|
| Brightness (max) | 3300.0 lm | 3200.0 lm |
| Contrast ratio | 13000:1 | 22000:1 |
| Video formats supported |
|
|
| BenQ MS527 | Optoma S331 | |
|---|---|---|
| Handheld remote control | yes | yes |
| On Screen Display (OSD) | yes | yes |
| On Screen Display (OSD) languages |
|
|
| BenQ MS527 | Optoma S331 | |
|---|---|---|
| Ethernet connection | no | no |
| Wireless network (Wi-Fi) | no | no |
| BenQ MS527 | Optoma S331 | |
|---|---|---|
| 3D support (3D-Ready) | yes | yes |
| Glasses included | no | no |
| HD ready | no | yes |
| Full HD (HD ready 1080p) | no | no |
| HDR | no | no |
| Analog signal format system |
|
|
| BenQ MS527 | Optoma S331 | |
|---|---|---|
| Built-in speakers | yes | yes |
| Number of built-in speakers | 1 | 1 |
| RMS rated power | 2.0 W | 2.0 W |
| BenQ MS527 | Optoma S331 | |
|---|---|---|
| Power consumption (typical) | 270.0 W | 225.0 W |
| Power consumption (standby) | 0.5 W | 0.5 W |
| Power consumption (economy mode) | 220.0 W | 187.0 W |
| Pros | ||
|---|---|---|
| Cons |
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