In depth comparison and review of Dell XPS 15 9510 and Lenovo IdeaPad 520-15IKB (81BF). 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 XPS 15 9510 based on its technical characteristics, features, user experience, expert reviews and price level.
stunning 4k display
powerful intel performance
sleek aluminum design
impressive battery life
good port selection
higher price point
heavier than competitors
no full-size usb
can get quite hot
Advantages and disadvantages of Lenovo IdeaPad 520-15IKB (81BF) based on its technical characteristics, features, user experience, expert reviews and price level.
robust metal design
crisp full HD display
backlit keyboard feature
adequate processing power
reasonable price point
average battery life
limited graphics performance
heavier than competitors
no USB-C port
| DESIGN AND DIMENSIONS | Dell XPS 15 9510 | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 34.44 cm x 23.03 cm x 1.8 cm | 37.8 cm x 26 cm x 2.2 cm |
| Weight | 2.04 kg | 2.2 kg |
| Case Material | - | Metal |
| Colour | Platinum silver with black interior | Golden |
| DISPLAY | Dell XPS 15 9510 | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 145 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 500 cd/m² | 250 cd/m² |
| Colour Gamut | 100% sRGB | - |
| Features | Anti-glare, Wide Viewing Angle, ±85° horizontal viewing angle, ±85° vertical viewing angle, 35 ms response rate, 0.18 mm pixel pitch, Eyesafe technology | Anti-glare |
| PROCESSOR | Dell XPS 15 9510 | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| CPU | Intel Core i5 (11th Gen) 11400H | Intel Core i5 (8th Gen) 8550U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 4 GHz |
| Number of Cores | 6-core | Quad-Core |
| Cache | 12 MB | 8 MB |
| Chipset | Intel WM590 | - |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | Dell XPS 15 9510 | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| RAM | 8 GB (2 x 4 GB) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 64 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | 2133 MHz |
| Rated Speed | 3200 MHz | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Dell XPS 15 9510 | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) | 2 TB HDD SATA 6Gb/s / 5400 rpm |
|---|---|---|
| Optical Drive | - | DVD±RW |
| AUDIO & VIDEO | Dell XPS 15 9510 | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
| Video Memory | - | 4 GB GDDR5 SDRAM |
| Camera | Yes - 1280 x 720 (standard), 576 x 360 (infrared) | Yes - 720p |
| Resolution | 0.9 Megapixel (standard), 0.2 Megapixel (infrared) | 1 Megapixel |
| Camera Features | IR camera, Windows Hello, 78.3 degrees | Fixed focus |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3281-CG | - |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
| Audio Features | - | Output: Harman audio technology |
| COMMUNICATIONS | Dell XPS 15 9510 | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6 AX1650 | M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Features | - | Single stream (1x1) |
| BATTERY | Dell XPS 15 9510 | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Technology | 3-cell Lithium Ion | 2-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | 35 Wh |
| Battery Life | - | Up to 6 hours |
| AC ADAPTER | Dell XPS 15 9510 | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 90 Watt, 20 V, 4.5 A | 65 Watt |
| INPUT | Dell XPS 15 9510 | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| CONNECTIONS & EXPANSIONS | Dell XPS 15 9510 | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Interfaces | 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 |
USB-C 3.0 2 x USB 3.0 HDMI LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Dell XPS 15 9510 | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) | - |
| MISCELLANEOUS | Dell XPS 15 9510 | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Fingerprint reader | Fingerprint reader |
| Security Slot Type | Noble Wedge security slot | Kensington mini security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | - | Administrator password, hard drive password, power-on password |
| Compliant Standards | DisplayPort 1.4a | RoHS |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
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