Side by side comparison and review of Dell XPS 15 9520 and Lenovo ThinkPad L15 Gen 4 (21H3). 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 L15 Gen 4 (21H3) based on its technical characteristics, features, user experience, expert reviews and price level.
robust connectivity options
supports fast charging
dedicated nvidia gpu
upgradeable ram and storage
solid build quality
average battery capacity
basic 250-nit display
limited cpu performance
no fingerprint reader
DESIGN AND DIMENSIONS | Dell XPS 15 9520 | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 34.44 cm x 23.014 cm x 1.854 cm | 36.02 cm x 23.7 cm x 1.993 cm |
Weight | 1.92 kg | 1.77 kg |
Case Material | - | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
Colour | Silver | Thunder black |
DISPLAY | Dell XPS 15 9520 | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Screen Size (Type) | 15.6" | 15.6" - IPS |
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Screen Resolution | 1920 x 1200 (Full HD Plus) | 1920 x 1080 (Full HD) |
Pixel Density (ppi) | 145 | - |
V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:10 | 16:9 |
Image Brightness | 500 cd/m² | 250 cd/m² |
Colour Gamut | 100% sRGB | 45% NTSC |
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 L15 Gen 4 (21H3) |
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CPU | Intel Core i7 (12th Gen) 12700H | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
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Max Turbo Speed | 4.7 GHz | 4.6 GHz |
Number of Cores | 14-core | 10-core |
Cache | 24 MB | 12 MB |
Features | Intel Smart Cache | Integrated memory controller |
MEMORY | Dell XPS 15 9520 | Lenovo ThinkPad L15 Gen 4 (21H3) |
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RAM | 16 GB (2 x 8 GB) | 16 GB (1 x 16 GB) |
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Max RAM Supported | 64 GB | 64 GB |
RAM Type | DDR5 SDRAM | DDR4 SDRAM |
Speed | 4800 MHz | 3200 MHz |
Rated Speed | 4800 MHz | 3200 MHz |
Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 2 |
Empty Slots | 0 | 1 |
STORAGE | Dell XPS 15 9520 | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | Dell XPS 15 9520 | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Graphics Processor (GPU) | NVIDIA GeForce RTX 3050 Ti | Intel Iris Xe Graphics |
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Max Monitors Supported | - | 3 external monitor(s) |
Video Memory | 4 GB GDDR6 SDRAM | - |
Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
Camera | Yes - 1280 x 720 (standard), 576 x 360 (infrared) | Yes - 1080p |
Resolution | 0.9 Megapixel (standard), 0.2 Megapixel (infrared) | - |
Camera Features | IR/RGB camera, 78.5 degrees | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
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 | Realtek ALC3287 |
Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
Audio Features | - | Input: Dolby Voice, far-field |
COMMUNICATIONS | Dell XPS 15 9520 | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | Killer Wi-Fi 6E AX1675 | Intel Wi-Fi 6 AX 201 - M.2 Card |
Network Interface | - | Gigabit Ethernet |
Ethernet Controller | - | Intel I219-V |
Features | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
WWAN |
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Generation | - | 4G upgradable |
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BATTERY | Dell XPS 15 9520 | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Technology | 6-cell Lithium Ion | Lithium polymer |
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Battery Capacity (Size) | 86 Wh | 57 Wh |
AC ADAPTER | Dell XPS 15 9520 | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 130 Watt, 20 V, 6.5 A | 65 Watt |
INPUT | Dell XPS 15 9520 | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | - | Yes |
Keyboard Backlight | Yes | Yes |
Features | - | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | Dell XPS 15 9520 | Lenovo ThinkPad L15 Gen 4 (21H3) |
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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 3.2 Gen 1 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
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Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (microSD) |
SOFTWARE | Dell XPS 15 9520 | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Operating System (OS) | Windows 11 Pro - Dutch / English / French / German / Italian | Windows 11 Pro - English |
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Software Included | Microsoft Office (30 days trial, excludes office licence), McAfee Small Business Security (30 days trial) | - |
MISCELLANEOUS | Dell XPS 15 9520 | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Included Accessories | USB-C power adapter | USB-C power adapter |
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Security | Fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader |
Security Slot Type | Noble Wedge security slot | Kensington nano security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | - | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
Max Operating Temperature | 35 °C | 35 °C |
Min Operating Temperature | 0 °C | 5 °C |
Humidity Range Operating | 10 - 90% (non-condensing) | 8 - 95% |
Manufacturer Warranty | - | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |