In depth comparison and review of Dell Inspiron 15 3510 and Lenovo ThinkPad T490. 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 T490 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
good security features
reliable performance
average display quality
limited graphics power
noisy under load
heavier than competitors
| DESIGN AND DIMENSIONS | Dell Inspiron 15 3510 | Lenovo ThinkPad T490 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.85 cm x 23.556 cm x 1.89 cm | - |
| Weight | 1.65 kg | - |
| Colour | Platinum silver | - |
| DISPLAY | Dell Inspiron 15 3510 | Lenovo ThinkPad T490 |
|---|
| Screen Size (Type) | 15.6" - TN | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full 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 T490 |
|---|
| CPU | Intel Celeron N4020 / 1.1 GHz | Intel Core i5 (8th Gen) 8365U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 2.8 GHz | 4.1 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 6 MB |
| Features | Intel Burst Technology | - |
| MEMORY | Dell Inspiron 15 3510 | Lenovo ThinkPad T490 |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB |
|---|---|---|
| Max RAM Supported | 8 GB | - |
| RAM Type | DDR4 SDRAM | - |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Dell Inspiron 15 3510 | Lenovo ThinkPad T490 |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 2.0 x4 - NVM Express (NVMe) | 256 GB SSD |
|---|
| AUDIO & VIDEO | Dell Inspiron 15 3510 | Lenovo ThinkPad T490 |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 600 | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - HD | - |
| 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 T490 |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | - |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9462 - M.2 2230 | - |
| Features | Single stream (1x1) | - |
| BATTERY | Dell Inspiron 15 3510 | Lenovo ThinkPad T490 |
|---|
| Technology | 3-cell lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | - |
| AC ADAPTER | Dell Inspiron 15 3510 | Lenovo ThinkPad T490 |
|---|
| Input | AC 100-240 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | - |
| INPUT | Dell Inspiron 15 3510 | Lenovo ThinkPad T490 |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3510 | Lenovo ThinkPad T490 |
|---|
| 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 T490 |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Pro |
|---|---|---|
| Software Included | McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) | - |
| MISCELLANEOUS | Dell Inspiron 15 3510 | Lenovo ThinkPad T490 |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Compliant Standards | - | ISO 9001, ISO 14001, ISO 27001, GDPR |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 40 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
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