In depth comparison and review of Dell Inspiron 15 3510 and Lenovo ThinkPad T440p (20AW). 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 3510 based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
decent battery life
lightweight design
solid build quality
simple user interface
average display quality
limited performance capacity
minimal connectivity options
basic graphics capability
| DESIGN AND DIMENSIONS | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p (20AW) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.85 cm x 23.556 cm x 1.89 cm | 33.5 cm x 22.91 cm x 2.995 cm |
| Weight | 1.65 kg | 2.16 kg |
| Case Material | - | Glass-fibre reinforced plastic, carbon fibre reinforced plastic |
| Colour | Platinum silver | - |
| DISPLAY | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p (20AW) |
|---|
| Screen Size (Type) | 15.6" - TN | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1366 x 768 (HD) |
| Pixel Density (ppi) | 100 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | 220 cd/m² | 200 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare, 25 ms response rate, Narrow Border Display, 0.252 mm pixel pitch, ±40° horizontal viewing angle, +10/-30 vertical viewing angle | Anti-glare |
| PROCESSOR | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p (20AW) |
|---|
| CPU | Intel Celeron N4020 / 1.1 GHz | Intel Core i3 (4th Gen) 4100M / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 2.8 GHz | - |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 4 MB | 3 MB |
| 64-bit Computing | - | Yes |
| Chipset | - | Intel QM87 |
| Features | Intel Burst Technology | Integrated memory controller |
| MEMORY | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p (20AW) |
|---|
| RAM | 4 GB (1 x 4 GB) | 2 GB |
|---|---|---|
| Max RAM Supported | 8 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR3L SDRAM |
| Speed | 2400 MHz | 1600 MHz / PC3L-12800 |
| Rated Speed | 2400 MHz | 1600 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 204-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 0 | - |
| STORAGE | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p (20AW) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 2.0 x4 - NVM Express (NVMe) | 500 GB HDD SATA 6Gb/s |
|---|---|---|
| Optical Drive | - | DVD-Writer removable |
| AUDIO & VIDEO | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p (20AW) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics 600 | NVIDIA GeForce GT 730M / Intel HD Graphics 4600 |
| Video Memory | - | 1 GB |
| Video System Features | - | NVIDIA Optimus |
| Camera | Yes - HD | Yes - 720p |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 78.6 degrees, RGB camera | 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 ALC3204 | Realtek ALC3232 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Advanced Audio v2 |
| COMMUNICATIONS | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p (20AW) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11b/g/n, Bluetooth 4.0 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9462 - M.2 2230 | M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Intel I217-LM |
| Features | Single stream (1x1) | - |
| BATTERY | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p (20AW) |
|---|
| Technology | 3-cell lithium polymer | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | 56 Wh |
| Battery Life | - | Up to 7.2 hours |
| AC ADAPTER | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p (20AW) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | 90 Watt |
| INPUT | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p (20AW) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Features | - | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p (20AW) |
|---|
| Expansion Bays | - | 1 x Ultrabay |
|---|---|---|
| Interfaces | HDMI 2 x USB 3.2 Gen 1 USB 2.0 Headphone/microphone combo jack |
2 x USB 3.0 2 x USB 2.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p (20AW) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 8.1 Pro 64-bit Edition |
|---|---|---|
| Software Included | McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) | - |
| MISCELLANEOUS | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p (20AW) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | - | Trusted Platform Module (TPM 1.2) Security Chip |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | - | Administrator password, hard drive password, power-on password, ThinkVantage Active Protection System, 1 USB 2.0 (Always On), MIL-STD-810G tested |
| Compliant Standards | - | RoHS, GREENGUARD |
| ENERGY STAR Certified | Yes | Yes |
| Max Operating Temperature | 40 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
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