Side by side comparison and review of Dell G15 (5520) 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 G15 (5520) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
efficient thermal management
solid build quality
affordable price point
good audio quality
heavy and bulky
average battery life
dim display brightness
limited port selection
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 G15 (5520) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 35.726 cm x 27.211 cm x 2.533 cm | 36.02 cm x 23.7 cm x 1.993 cm |
Weight | 2.81 kg | 1.77 kg |
Case Material | - | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
Colour | Dark shadow grey | Thunder black |
DISPLAY | Dell G15 (5520) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Screen Size (Type) | 15.6" | 15.6" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
Pixel Density (ppi) | 141 | - |
V-Sync Rate at Max Res. | 165 Hz | 60 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 300 cd/m² | 250 cd/m² |
Colour Gamut | 100% sRGB | 45% NTSC |
Features | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, Narrow Border Display, 0.17925 mm pixel pitch, 13 ms response rate | Anti-glare |
PROCESSOR | Dell G15 (5520) | 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, Intel Deep Learning Boost (DL Boost) | Integrated memory controller |
MEMORY | Dell G15 (5520) | 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 | 32 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 G15 (5520) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 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 G15 (5520) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 | Intel Iris Xe Graphics |
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Max Monitors Supported | - | 3 external monitor(s) |
Video Memory | 6 GB GDDR6 SDRAM | - |
Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
Gaming | Yes | - |
Camera | Yes - HD | Yes - 1080p |
Resolution | 0.92 Megapixel | - |
Camera Features | RGB camera | 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 ALC3254 | Realtek ALC3287 |
Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
Audio Features | - | Input: Dolby Voice, far-field |
COMMUNICATIONS | Dell G15 (5520) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | M.2 2230 | Intel Wi-Fi 6 AX 201 - M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | Killer Ethernet E2600 | 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 G15 (5520) | 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 |
Battery Life | Up to 9 hour(s) | - |
AC ADAPTER | Dell G15 (5520) | 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 | 19.5 V | 65 Watt |
INPUT | Dell G15 (5520) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | Yes |
Keyboard Backlight | Yes | Yes |
Features | - | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | Dell G15 (5520) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Interfaces | HDMI 3 x USB 3.2 Gen 1 Thunderbolt 4 LAN 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 (microSD) |
SOFTWARE | Dell G15 (5520) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Operating System (OS) | Windows 11 Home | Windows 11 Pro - English |
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Software Included | Microsoft Office 2013 (Trial) | - |
MISCELLANEOUS | Dell G15 (5520) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Included Accessories | Power adapter | USB-C power adapter |
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Security | - | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader |
Security Slot Type | - | Kensington nano security slot |
Theft/Intrusion Protection | - | 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 | Limited warranty - 1 year | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |