In depth comparison and review of Dell Inspiron 15 3511 and Lenovo ThinkPad T590 (20N4). 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 Lenovo ThinkPad T590 (20N4) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
solid performance
good security features
heavier than competitors
average display brightness
limited graphics power
noisy under load
| DESIGN AND DIMENSIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad T590 (20N4) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.85 cm x 23.556 cm x 1.89 cm | 36.58 cm x 24.8 cm x 1.91 cm |
| Weight | 1.73 kg | 1.75 kg |
| Case Material | - | Glass-fibre, polyphenylene sulfide, polyamide |
| Colour | Carbon black | Black |
| DISPLAY | Dell Inspiron 15 3511 | Lenovo ThinkPad T590 (20N4) |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | - |
| Pixel Density (ppi) | 141 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | - |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | 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 | - |
| PROCESSOR | Dell Inspiron 15 3511 | Lenovo ThinkPad T590 (20N4) |
|---|
| CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | No CPU |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | - |
| Number of Cores | Dual-Core | - |
| Cache | 6 MB | - |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | - |
| MEMORY | Dell Inspiron 15 3511 | Lenovo ThinkPad T590 (20N4) |
|---|
| RAM | 4 GB (1 x 4 GB) | 0 GB |
|---|---|---|
| Max RAM Supported | 16 GB | 48 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | - |
| Rated Speed | 2666 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 1 |
| STORAGE | Dell Inspiron 15 3511 | Lenovo ThinkPad T590 (20N4) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | - |
|---|
| AUDIO & VIDEO | Dell Inspiron 15 3511 | Lenovo ThinkPad T590 (20N4) |
|---|
| Graphics Processor (GPU) | 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 | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio Premium |
| COMMUNICATIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad T590 (20N4) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | - |
|---|---|---|
| Wireless Controller | M.2 2230 | - |
| Network Interface | - | Gigabit Ethernet |
| BATTERY | Dell Inspiron 15 3511 | Lenovo ThinkPad T590 (20N4) |
|---|
| Technology | 3-cell lithium polymer | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | 57 Wh |
| AC ADAPTER | Dell Inspiron 15 3511 | Lenovo ThinkPad T590 (20N4) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | - |
| INPUT | Dell Inspiron 15 3511 | Lenovo ThinkPad T590 (20N4) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Features | - | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad T590 (20N4) |
|---|
| Interfaces | HDMI USB 2.0 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) HDMI LAN Headphone/microphone combo jack Dock |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Dell Inspiron 15 3511 | Lenovo ThinkPad T590 (20N4) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | No operating system |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence) | - |
| MISCELLANEOUS | Dell Inspiron 15 3511 | Lenovo ThinkPad T590 (20N4) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | USB-C power adapter |
| Security | - | Trusted Platform Module (TPM 2.0) 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, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | - | RoHS |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| Max Operating Temperature | 40 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
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