Detailed comparison and review of Dell Inspiron 15 3511 and Lenovo ThinkPad A475 (20KM). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
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
| DESIGN AND DIMENSIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad A475 (20KM) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.85 cm x 23.556 cm x 1.89 cm | 33.66 cm x 23.25 cm x 1.995 cm |
| Weight | 1.73 kg | 1.65 kg |
| Case Material | - | Polyphenylene sulfide |
| Colour | Carbon black | Black |
| DISPLAY | Dell Inspiron 15 3511 | Lenovo ThinkPad A475 (20KM) |
|---|
| Screen Size (Type) | 15.6" | 14" |
|---|---|---|
| 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 | - |
| 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 |
| PROCESSOR | Dell Inspiron 15 3511 | Lenovo ThinkPad A475 (20KM) |
|---|
| CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | AMD A12 PRO-8830B / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 3.4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 6 MB | L2 - 2 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 A475 (20KM) |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 16 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 1866 MHz |
| Rated Speed | 2666 MHz | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | Dell Inspiron 15 3511 | Lenovo ThinkPad A475 (20KM) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Samsung |
|---|
| AUDIO & VIDEO | Dell Inspiron 15 3511 | Lenovo ThinkPad A475 (20KM) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | AMD Radeon R7 |
|---|---|---|
| Camera | Yes - HD | Yes - 720p |
| 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 ALC3268 |
| Compliant Standards | High Definition Audio | High Definition Audio |
| COMMUNICATIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad A475 (20KM) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | M.2 2230 | Realtek RTL8822BE - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111EPV |
| BATTERY | Dell Inspiron 15 3511 | Lenovo ThinkPad A475 (20KM) |
|---|
| Technology | 3-cell lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Installed Qty | - | 2 |
| Battery Capacity (Size) | 41 Wh | 24 Wh |
| Battery Life | - | Up to 10.26 hours |
| AC ADAPTER | Dell Inspiron 15 3511 | Lenovo ThinkPad A475 (20KM) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | 45 Watt, 20 V |
| INPUT | Dell Inspiron 15 3511 | Lenovo ThinkPad A475 (20KM) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Features | - | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad A475 (20KM) |
|---|
| Interfaces | HDMI USB 2.0 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
2 x USB 3.1 Gen 1/USB 3.0 USB 3.1 Gen 1/USB 3.0 (Always On) USB-C 3.1 Gen 2 HDMI 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, SDXC UHS Card) |
| SOFTWARE | Dell Inspiron 15 3511 | Lenovo ThinkPad A475 (20KM) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Microsoft Windows 7 Professional 64-bit Edition (available through downgrade rights from Windows 10 Pro 64-bit) + Windows 10 Pro 64-bit Licence |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence) | - |
| MISCELLANEOUS | Dell Inspiron 15 3511 | Lenovo ThinkPad A475 (20KM) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | 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, MIL-STD-810G tested |
| Compliant Standards | - | RoHS |
| 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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