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| Brand | Dell |
| Model | 15 3521 |
| Thickness | 33 Millimeter thickness |
| Dimensions(WxDxH) | 375.9 x 259.1 x 33 mm |
| Weight | 2.37 Kg weight |
| Colour(s) | Black Matte |
| Operating System | Linux |
| Operating System Type | 64-bit |
| Display Size | 15.6 Inches (39.62 cm) |
| Display Resolution | 1366 x 768 Pixels |
| Pixel Density | 100 ppi |
| Display Type | LED |
| Display Features | HD WLED Display |
| Touchscreen | No |
| Processor | Intel Celeron Dual Core 1007U |
| Clock-speed | 1.5 Ghz |
| Chipset | Intel HM70 Express |
| Graphic Processor | Intel HD Graphics |
| Capacity | 2 GB |
| RAM type | DDR3 |
| RAM speed | 1600 Mhz |
| Memory Slots | 1 DIMM |
| Expandable Memory | 4 GB |
| Memory Layout | 1 x 2 Gigabyte |
| HDD Capacity | 500 GB |
| HDD Speed(RPM) | 5400 RPM |
| HDD type | SATA |
| Battery Cell | 4 Cell |
| Battery type | Li-Ion |
| Power Supply | 65 W |
| Battery Life | 5 Hrs |
| Wireless LAN | 802.11 b/g/n |
| Wi-Fi Version | 4 |
| Bluetooth | Yes |
| Bluetooth Version | 4.0 |
| 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 | 0.3 MP |
| Secondary cam(Rear-facing) | No |
| Audio Solution | HD Audio Solution |
| Speakers | Stereo speakers |
| Sound Technologies | Waves MaxxAudio 4 |
| In-built Microphone | Yes |
| Microphone Type | Digital Microphone |
| Optical Drive | DVD RW Drive with Dual Layer Support |
| Drive Type | DVD Writer |
| Pointing Device | Touchpad |
| Keyboard | Standard Keyboard |
| Warranty | 1 Year |
| Lockport | Yes |
| Sales Package | Laptop, Battery, AC Adapter, User Guide |
Lesser thickness:
31.3 Millimeter vs 33 Millimeter
Faster Processor:
3121 vs 1464
Lesser weight:
2.25 Kg vs 2.37 Kg
Higher battery life:
6 Hrs vs 5 Hrs
More hard-disk capacity:
750 GB vs 500 GB
Faster Processor:
3809 vs 1464
Lesser thickness:
20.3 Millimeter vs 33 Millimeter
Higher battery life:
6 Hrs vs 5 Hrs
Fast hard disc access:
7200 RPM vs 5400 RPM
Lesser thickness:
24.9 Millimeter vs 33 Millimeter
More hard-disk capacity:
1024 GB vs 500 GB
Faster Processor:
3278 vs 1464
Lesser thickness:
25.3 Millimeter vs 33 Millimeter
Faster Processor:
1985 vs 1464
Lesser weight:
2.25 Kg vs 2.37 Kg
Faster Processor:
2538 vs 1464
Lesser weight:
2.36 Kg vs 2.37 Kg
More thickness:
34.5 Millimeter vs 33 Millimeter
