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| Brand | Dell |
| Model | 15 3521 |
| Thickness | 34.53 Millimeter thickness |
| Dimensions(WxDxH) | 376 x 260 x 34.53 mm |
| Weight | 2.4 Kg weight |
| Colour(s) | Black |
| Operating System | DOS |
| Display Size | 15.6 Inches (39.62 cm) |
| Display Resolution | 1366 x 768 Pixels |
| Pixel Density | 100 ppi |
| Display Type | LED |
| Display Features | HD LED Display |
| Touchscreen | No |
| Processor | Intel Pentium B997 |
| Clock-speed | 1.4 Ghz |
| Chipset | Intel HM75 Express |
| Graphic Processor | Intel HD Graphics |
| Capacity | 2 GB |
| RAM type | DDR3 |
| Memory Slots | 2 DIMM |
| Expandable Memory | 8 GB |
| HDD Capacity | 500 GB |
| HDD Speed(RPM) | 5400 RPM |
| HDD type | SATA |
| Battery Cell | 6 Cell Cell |
| Battery type | Li-Ion |
| Wireless LAN | 802.11 b/g/n |
| Wi-Fi Version | 4 |
| Bluetooth | Yes |
| USB 2.0 slots | 3 |
| SD Card Reader | Yes |
| Ethernet Ports | 1 |
| Headphone Jack | Yes |
| Microphone Jack | Yes |
| VGA Port | Yes |
| Webcam | Yes |
| Webcam Resolution | 1 MP |
| Secondary cam(Rear-facing) | No |
| Speakers | Stereo speakers |
| In-built Microphone | Yes |
| Optical Drive | DVD RW Drive |
| Drive Type | DVD Writer |
| Pointing Device | Touchpad |
| Keyboard | Chicklet Keyboard |
| Warranty | 1 Year |
| Sales Package | Laptop,Battery,AC Adapter,User Guides and Manuals |
Faster Processor:
1945 vs 42
Lesser weight:
2.16 Kg vs 2.4 Kg
Fewer USB 2.0 ports:
1 vs 3
Lesser thickness:
34.5 Millimeter vs 34.53 Millimeter
Faster Processor:
3446 vs 42
Lesser weight:
2.36 Kg vs 2.4 Kg
Common Features
Lesser thickness:
31.3 Millimeter vs 34.53 Millimeter
Faster Processor:
1567 vs 42
Lesser weight:
2.37 Kg vs 2.4 Kg
Common Features
Faster Processor:
3997 vs 42
Lesser weight:
2.2 Kg vs 2.4 Kg
More thickness:
34.7 Millimeter vs 34.53 Millimeter
Lesser thickness:
34.1 Millimeter vs 34.53 Millimeter
More hard-disk capacity:
1024 GB vs 500 GB
Faster Processor:
7079 vs 42
Lesser thickness:
31.3 Millimeter vs 34.53 Millimeter
Faster Processor:
1567 vs 42
Common Features
