Detailed comparison and review of Dell Inspiron 15 3511 and Dell XPS 15 9520. 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
Advantages and disadvantages of Dell XPS 15 9520 based on its technical characteristics, features, user experience, expert reviews and price level.
stunning 4k display
powerful intel performance
solid build quality
good battery life
advanced thermal design
high base price
heavier than competitors
no full-size usb port
limited color options
| DESIGN AND DIMENSIONS | Dell Inspiron 15 3511 | Dell XPS 15 9520 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.85 cm x 23.556 cm x 1.89 cm | 34.44 cm x 23.014 cm x 1.854 cm |
| Weight | 1.73 kg | 1.92 kg |
| Colour | Carbon black | Silver |
| DISPLAY | Dell Inspiron 15 3511 | Dell XPS 15 9520 |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (Full HD Plus) |
| Pixel Density (ppi) | 141 | 145 |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 220 cd/m² | 500 cd/m² |
| Colour Gamut | 45% NTSC | 100% sRGB |
| 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, Infinity Edge display, Wide Viewing Angle, ±85° horizontal viewing angle, ±85° vertical viewing angle, 35 ms response rate, 0.18 mm pixel pitch, Eyesafe technology |
| PROCESSOR | Dell Inspiron 15 3511 | Dell XPS 15 9520 |
|---|
| CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | Intel Core i7 (12th Gen) 12700H |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 4.7 GHz |
| Number of Cores | Dual-Core | 14-core |
| Cache | 6 MB | 24 MB |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | Intel Smart Cache |
| MEMORY | Dell Inspiron 15 3511 | Dell XPS 15 9520 |
|---|
| RAM | 4 GB (1 x 4 GB) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 16 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 2666 MHz | 4800 MHz |
| Rated Speed | 2666 MHz | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 0 |
| STORAGE | Dell Inspiron 15 3511 | Dell XPS 15 9520 |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell Inspiron 15 3511 | Dell XPS 15 9520 |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce RTX 3050 Ti |
|---|---|---|
| Video Memory | - | 4 GB GDDR6 SDRAM |
| Camera | Yes - HD | Yes - 1280 x 720 (standard), 576 x 360 (infrared) |
| Resolution | 0.92 Megapixel | 0.9 Megapixel (standard), 0.2 Megapixel (infrared) |
| Camera Features | 78.6 degrees, RGB camera | IR/RGB camera, 78.5 degrees |
| Image Sensor Type | CMOS | CMOS |
| Video Resolutions | 1280 x 720 | 1280 x 720 |
| Frame Rate | 30 frames per second | 30 frames per second |
| Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3281 |
| Compliant Standards | High Definition Audio | High Definition Audio |
| COMMUNICATIONS | Dell Inspiron 15 3511 | Dell XPS 15 9520 |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 2230 | Killer Wi-Fi 6E AX1675 |
| Features | - | Dual stream (2x2) |
| BATTERY | Dell Inspiron 15 3511 | Dell XPS 15 9520 |
|---|
| Technology | 3-cell lithium polymer | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | 86 Wh |
| AC ADAPTER | Dell Inspiron 15 3511 | Dell XPS 15 9520 |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | 130 Watt, 20 V, 6.5 A |
| INPUT | Dell Inspiron 15 3511 | Dell XPS 15 9520 |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3511 | Dell XPS 15 9520 |
|---|
| Interfaces | HDMI USB 2.0 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB4 Gen 3x2 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery) Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | Dell Inspiron 15 3511 | Dell XPS 15 9520 |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 11 Pro - Dutch / English / French / German / Italian |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence) | Microsoft Office (30 days trial, excludes office licence), McAfee Small Business Security (30 days trial) |
| MISCELLANEOUS | Dell Inspiron 15 3511 | Dell XPS 15 9520 |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | - | Fingerprint reader |
| Security Slot Type | - | Noble Wedge security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 40 °C | 35 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 10 - 90% (non-condensing) |