Side by side comparison and review of Dell XPS 15 9520 and Lenovo ThinkPad L520. 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 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
Advantages and disadvantages of Lenovo ThinkPad L520 based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
excellent keyboard comfort
good battery life
solid performance
reliable security features
heavier than competitors
dated design
average display quality
limited graphics performance
| DESIGN AND DIMENSIONS | Dell XPS 15 9520 | Lenovo ThinkPad L520 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 34.44 cm x 23.014 cm x 1.854 cm | 38 cm x 24.7 cm x 3.6 cm |
| Weight | 1.92 kg | 2.6 kg |
| Colour | Silver | - |
| DISPLAY | Dell XPS 15 9520 | Lenovo ThinkPad L520 |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1920 x 1200 (Full HD Plus) | 1600 x 900 (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 | - |
| Colour Gamut | 100% sRGB | - |
| Colour Support | - | 16.7 million colours |
| Features | 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 | Anti-glare |
| PROCESSOR | Dell XPS 15 9520 | Lenovo ThinkPad L520 |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H | Intel Core i5 (2nd Gen) 2520M / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 3.2 GHz |
| Number of Cores | 14-core | Dual-Core |
| Cache | 24 MB | L3 - 3 MB |
| 64-bit Computing | - | Yes |
| Features | Intel Smart Cache | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 |
| MEMORY | Dell XPS 15 9520 | Lenovo ThinkPad L520 |
|---|
| RAM | 16 GB (2 x 8 GB) | 4 GB |
|---|---|---|
| Max RAM Supported | 64 GB | 8 GB |
| RAM Type | DDR5 SDRAM | DDR3 SDRAM |
| Speed | 4800 MHz | - |
| Rated Speed | 4800 MHz | - |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 204-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | - |
| STORAGE | Dell XPS 15 9520 | Lenovo ThinkPad L520 |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) | 320 GB HDD |
|---|---|---|
| Optical Drive | - | DVD-Writer |
| AUDIO & VIDEO | Dell XPS 15 9520 | Lenovo ThinkPad L520 |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3050 Ti | Intel HD Graphics 3000 |
|---|---|---|
| Memory Allocation Technology | - | Dynamic Video Memory Technology |
| Video Memory | 4 GB GDDR6 SDRAM | - |
| Camera | Yes - 1280 x 720 (standard), 576 x 360 (infrared) | Yes |
| Resolution | 0.9 Megapixel (standard), 0.2 Megapixel (infrared) | 0.92 Megapixel |
| Camera Features | IR/RGB camera, 78.5 degrees | - |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3281 | Realtek ALC269Q |
| Compliant Standards | High Definition Audio | High Definition Audio |
| COMMUNICATIONS | Dell XPS 15 9520 | Lenovo ThinkPad L520 |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n, Bluetooth 3.0 |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6E AX1675 | - |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | - |
| WWAN |
|---|
| Generation | - | 3G upgradable |
|---|
| BATTERY | Dell XPS 15 9520 | Lenovo ThinkPad L520 |
|---|
| Technology | 6-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 86 Wh | - |
| AC ADAPTER | Dell XPS 15 9520 | Lenovo ThinkPad L520 |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 20 V, 6.5 A | - |
| INPUT | Dell XPS 15 9520 | Lenovo ThinkPad L520 |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | - | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Dell XPS 15 9520 | Lenovo ThinkPad L520 |
|---|
| Slots | - | 1 x ExpressCard/54 (1 free) |
|---|---|---|
| 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 |
2 x USB 2.0 PoweredUSB 2.0 USB 2.0/eSATA VGA DisplayPort 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 9520 | Lenovo ThinkPad L520 |
|---|
| Operating System (OS) | Windows 11 Pro - Dutch / English / French / German / Italian | Windows 10 Home 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence), McAfee Small Business Security (30 days trial) | - |
| MISCELLANEOUS | Dell XPS 15 9520 | Lenovo ThinkPad L520 |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Fingerprint reader | Trusted Platform Module (TPM 1.2) Security Chip |
| Security Slot Type | Noble Wedge security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Compliant Standards | - | ISO 9001, ISO 14001, RoHS, ISO 27001 |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | - | Limited warranty - 2 years - pick-up and return |
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