In depth comparison and review of Dell Inspiron 15 3510 and Lenovo ThinkPad T440p. 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
Advantages and disadvantages of Lenovo ThinkPad T440p based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
efficient keyboard design
good battery life
solid performance base
affordable pricing
heavy chassis
average display quality
limited graphics power
outdated aesthetics
| DESIGN AND DIMENSIONS | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p |
|---|
| 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 | 2.14 kg |
| Colour | Platinum silver | - |
| DISPLAY | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p |
|---|
| 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 Brightness | 220 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 | - |
| PROCESSOR | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p |
|---|
| CPU | Intel Celeron N4020 / 1.1 GHz | Intel Core i5 (4th Gen) 4300M / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 2.8 GHz | 3.3 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 4 MB | 3 MB |
| 64-bit Computing | - | Yes |
| Features | Intel Burst Technology | Intel Turbo Boost Technology 2.0 |
| MEMORY | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p |
|---|
| RAM | 4 GB (1 x 4 GB) | 4 GB |
|---|---|---|
| Max RAM Supported | 8 GB | - |
| RAM Type | DDR4 SDRAM | DDR3 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 204-pin |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 2.0 x4 - NVM Express (NVMe) | 320 GB HDD |
|---|---|---|
| Optical Drive | - | DVD-Writer |
| AUDIO & VIDEO | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 600 | Intel HD Graphics 4600 |
|---|---|---|
| Camera | Yes - HD | Yes |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 78.6 degrees, RGB camera | - |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, microphone | - |
| Codec | Realtek ALC3204 | - |
| Compliant Standards | High Definition Audio | - |
| COMMUNICATIONS | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9462 - M.2 2230 | - |
| Network Interface | - | Gigabit Ethernet |
| Features | Single stream (1x1) | - |
| BATTERY | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p |
|---|
| Technology | 3-cell lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | - |
| AC ADAPTER | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p |
|---|
| Input | AC 100-240 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | - |
| INPUT | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p |
|---|
| Interfaces | HDMI 2 x USB 3.2 Gen 1 USB 2.0 Headphone/microphone combo jack |
Dock |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | - |
| SOFTWARE | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Home |
|---|---|---|
| Software Included | McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) | - |
| MISCELLANEOUS | Dell Inspiron 15 3510 | Lenovo ThinkPad T440p |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Compliant Standards | - | ISO 9001, ISO 14001, ISO 27001 |
| 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 - 2 years - pick-up and return |
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