In depth comparison and review of Dell Vostro 3581 and Lenovo ThinkPad X240 (20AM). 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 Vostro 3581 based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
decent battery life
includes optical drive
solid build quality
suitable for basic tasks
average display quality
limited graphics performance
slower HDD storage
basic design aesthetics
| DESIGN AND DIMENSIONS | Dell Vostro 3581 | Lenovo ThinkPad X240 (20AM) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 38 cm x 25.8 cm x 2.27 cm | 30.55 cm x 20.85 cm x 1.99 cm |
| Weight | 2 kg | 1.47 kg |
| Case Material | - | Glass-fibre reinforced plastic |
| Colour | Black | - |
| DISPLAY | Dell Vostro 3581 | Lenovo ThinkPad X240 (20AM) |
|---|
| Screen Size (Type) | 15.6" - TN | 12.5" |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1366 x 768 (HD) |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Features | Ultra Slim Design, anti-glare, ±40° horizontal viewing angle | Anti-glare |
| PROCESSOR | Dell Vostro 3581 | Lenovo ThinkPad X240 (20AM) |
|---|
| CPU | Intel Core i3 (7th Gen) 7020U / 2.3 GHz | Intel Core i3 (4th Gen) 4010U / 1.7 GHz |
|---|---|---|
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 3 MB | 3 MB |
| 64-bit Computing | Yes | Yes |
| Features | - | Integrated memory controller |
| MEMORY | Dell Vostro 3581 | Lenovo ThinkPad X240 (20AM) |
|---|
| RAM | 4 GB (1 x 4 GB) | 2 GB (1 x 2 GB) |
|---|---|---|
| Max RAM Supported | 16 GB | 8 GB |
| RAM Type | DDR4 SDRAM | DDR3L SDRAM |
| Speed | 2133 MHz | 1600 MHz / PC3L-12800 |
| Rated Speed | 2666 MHz | 1600 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 204-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | Dell Vostro 3581 | Lenovo ThinkPad X240 (20AM) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB HDD SATA / 5400 rpm | 500 GB HDD SATA 6Gb/s / 7200 rpm |
|---|---|---|
| Optical Drive | DVD-Writer | - |
| AUDIO & VIDEO | Dell Vostro 3581 | Lenovo ThinkPad X240 (20AM) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 620 | Intel HD Graphics 4400 |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Camera | Yes - HD | Yes - 720p |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 720p HD movie recording, fixed focus, 78.6 degrees | Face tracking |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3246 | Realtek ALC3232 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Advanced Audio v2 |
| Audio Features | MaxxAudio Pro | - |
| COMMUNICATIONS | Dell Vostro 3581 | Lenovo ThinkPad X240 (20AM) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11b/g/n, Bluetooth 4.0 |
|---|---|---|
| Wireless Controller | Dell Wireless 1810 | M.2 Card |
| Network Interface | Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Intel I218-V |
| WWAN |
|---|
| Generation | - | WWAN |
|---|
| BATTERY | Dell Vostro 3581 | Lenovo ThinkPad X240 (20AM) |
|---|
| Technology | 3-cell Lithium Ion | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 47 Wh |
| AC ADAPTER | Dell Vostro 3581 | Lenovo ThinkPad X240 (20AM) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19.5 V, 2.31 A | 45 Watt |
| INPUT | Dell Vostro 3581 | Lenovo ThinkPad X240 (20AM) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Features | - | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Dell Vostro 3581 | Lenovo ThinkPad X240 (20AM) |
|---|
| Interfaces | HDMI Headphone/microphone combo jack USB 2.0 2 x USB 3.1 Gen 1 LAN VGA |
2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Dell Vostro 3581 | Lenovo ThinkPad X240 (20AM) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Microsoft Windows 7 Professional 64-bit Edition - French |
|---|---|---|
| Software Included | Microsoft Office (Trial), McAfee (30 days trial) | - |
| MISCELLANEOUS | Dell Vostro 3581 | Lenovo ThinkPad X240 (20AM) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Trusted Platform Module (TPM 1.2) Security Chip |
| Security Slot Type | Noble Wedge security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Noise reducing microphone | Administrator password, hard drive password, power-on password, ThinkVantage Active Protection System, 1 USB 3.0 (Always On), MIL-STD-810G tested |
| Compliant Standards | - | RoHS, GREENGUARD |
| ENERGY STAR Certified | - | Yes |
| Max Operating Temperature | 40 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | Limited warranty - 1 year | Limited warranty - 1 year - pick-up and return |
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