In depth comparison and review of Dell Inspiron 15 3511 and Dell Vostro 5581. Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Dell Inspiron 15 3511 based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
decent battery life
solid build quality
intuitive touchpad
average display quality
modest processor speed
limited graphics performance
fewer USB-C ports
Advantages and disadvantages of Dell Vostro 5581 based on its technical characteristics, features, user experience, expert reviews and price level.
solid build quality
affordable price point
decent battery life
good processor performance
ample connectivity options
average display quality
modest graphics card
limited upgradeability
noisy under load
| DESIGN AND DIMENSIONS | Dell Inspiron 15 3511 | Dell Vostro 5581 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.85 cm x 23.556 cm x 1.89 cm | 36.11 cm x 24.9 cm x 2.03 cm |
| Weight | 1.73 kg | 1.9 kg |
| Colour | Carbon black | Silver |
| DISPLAY | Dell Inspiron 15 3511 | Dell Vostro 5581 |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 141 | 141 |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | 220 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, Narrow Border Display, 35 ms response rate, 0.179 mm pixel pitch | Anti-glare, ±80° horizontal viewing angle, ±80° vertical viewing angle |
| PROCESSOR | Dell Inspiron 15 3511 | Dell Vostro 5581 |
|---|
| CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | Intel Core i3 (8th Gen) 8145U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 3.9 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 6 MB | 4 MB |
| 64-bit Computing | - | Yes |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Dell Inspiron 15 3511 | Dell Vostro 5581 |
|---|
| RAM | 4 GB (1 x 4 GB) | 4 GB (1 x 4 GB) |
|---|---|---|
| Max RAM Supported | 16 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 2400 MHz |
| Rated Speed | 2666 MHz | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | Dell Inspiron 15 3511 | Dell Vostro 5581 |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 128 GB SSD M.2 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell Inspiron 15 3511 | Dell Vostro 5581 |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics 620 |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Camera | Yes - HD | Yes - 1280 x 720 |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 78.6 degrees, RGB camera | 720p HD movie recording, 74.9 degrees |
| Image Sensor Type | CMOS | CMOS |
| Video Resolutions | 1280 x 720 | 1280 x 720 |
| Frame Rate | 30 frames per second | 30 frames per second |
| Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3204 |
| Compliant Standards | High Definition Audio | High Definition Audio |
| Audio Features | - | MaxxAudio Pro |
| COMMUNICATIONS | Dell Inspiron 15 3511 | Dell Vostro 5581 |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | Bluetooth, 802.11a/b/g/n/ac |
|---|---|---|
| Wireless Controller | M.2 2230 | Intel Dual Band Wireless-AC 3165 |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111 |
| BATTERY | Dell Inspiron 15 3511 | Dell Vostro 5581 |
|---|
| Technology | 3-cell lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | 42 Wh |
| AC ADAPTER | Dell Inspiron 15 3511 | Dell Vostro 5581 |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | 45 Watt, 19.5 V, 2.31 A |
| INPUT | Dell Inspiron 15 3511 | Dell Vostro 5581 |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | - | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3511 | Dell Vostro 5581 |
|---|
| Interfaces | HDMI USB 2.0 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
2 x USB 3.1 Gen 1 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB 2.0 HDMI LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (SD Card) |
| SOFTWARE | Dell Inspiron 15 3511 | Dell Vostro 5581 |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence) | Microsoft Office (Trial), McAfee (30 days trial) |
| MISCELLANEOUS | Dell Inspiron 15 3511 | Dell Vostro 5581 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | - | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | - | Noble Wedge security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 40 °C | 35 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 10 - 80% (non-condensing) |
| Manufacturer Warranty | - | Limited warranty - 1 year |
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