Side by side comparison and review of Dell Inspiron 15 3511 and Lenovo ThinkPad T14 Gen 1 (20UE). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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 T14 Gen 1 (20UE) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
strong security features
reliable performance
average display quality
heavier than competitors
limited graphics capability
noisy under load
| DESIGN AND DIMENSIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad T14 Gen 1 (20UE) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.85 cm x 23.556 cm x 1.89 cm | 32.9 cm x 22.7 cm x 1.79 cm |
| Weight | 1.73 kg | 1.55 kg |
| Case Material | - | Polycarbonate ABS, glass-fibre, magnesium alloy, polyphenylene sulfide, polyamide, Talc15 |
| Colour | Carbon black | Black |
| DISPLAY | Dell Inspiron 15 3511 | Lenovo ThinkPad T14 Gen 1 (20UE) |
|---|
| Screen Size (Type) | 15.6" | 14" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1366 x 768 (HD) |
| Pixel Density (ppi) | 141 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | 220 cd/m² |
| Colour Gamut | 45% NTSC | 45% |
| 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 | Anti-glare, 90° viewing angle |
| PROCESSOR | Dell Inspiron 15 3511 | Lenovo ThinkPad T14 Gen 1 (20UE) |
|---|
| CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | AMD Ryzen 5 Pro 4650U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 4 GHz |
| Number of Cores | Dual-Core | 6-core |
| Cache | 6 MB | L3 - 8 MB |
| 64-bit Computing | - | Yes |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | Integrated memory controller |
| MEMORY | Dell Inspiron 15 3511 | Lenovo ThinkPad T14 Gen 1 (20UE) |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | 24 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 3200 MHz |
| Rated Speed | 2666 MHz | 3200 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 T14 Gen 1 (20UE) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption, NVM Express (NVMe) - Samsung |
|---|
| AUDIO & VIDEO | Dell Inspiron 15 3511 | Lenovo ThinkPad T14 Gen 1 (20UE) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | AMD Radeon Graphics |
|---|---|---|
| Camera | Yes - HD | Yes - 720p |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 78.6 degrees, RGB camera | ThinkShutter camera privacy |
| 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 |
| COMMUNICATIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad T14 Gen 1 (20UE) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | M.2 2230 | Intel Wi-Fi 6 AX 200 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111EPV |
| Compliant Standards | - | DASH |
| BATTERY | Dell Inspiron 15 3511 | Lenovo ThinkPad T14 Gen 1 (20UE) |
|---|
| Technology | 3-cell lithium polymer | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | 50 Wh |
| Battery Life | - | Up to 14 hours |
| AC ADAPTER | Dell Inspiron 15 3511 | Lenovo ThinkPad T14 Gen 1 (20UE) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | 65 Watt |
| INPUT | Dell Inspiron 15 3511 | Lenovo ThinkPad T14 Gen 1 (20UE) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | - | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad T14 Gen 1 (20UE) |
|---|
| Interfaces | HDMI USB 2.0 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) Headphone/microphone combo jack LAN Dock HDMI |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Dell Inspiron 15 3511 | Lenovo ThinkPad T14 Gen 1 (20UE) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Pro 64-bit Edition |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence) | - |
| MISCELLANEOUS | Dell Inspiron 15 3511 | Lenovo ThinkPad T14 Gen 1 (20UE) |
|---|
| 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, self-healing BIOS |
| Compliant Standards | - | RoHS |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Max Operating Temperature | 40 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
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