Detailed comparison and review of Dell G15 (5520) and Lenovo ThinkBook 14-IIL (20SL). 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 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 ThinkBook 14-IIL (20SL) based on its technical characteristics, features, user experience, expert reviews and price level.
solid build quality
responsive keyboard
affordable price
adequate performance
decent battery life
average display quality
limited graphics power
no thunderbolt support
modest storage capacity
| DESIGN AND DIMENSIONS | Dell G15 (5520) | Lenovo ThinkBook 14-IIL (20SL) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.726 cm x 27.211 cm x 2.533 cm | 32.6 cm x 23 cm x 1.79 cm |
| Weight | 2.81 kg | 1.5 kg |
| Case Material | - | Aluminum |
| Colour | Dark shadow grey | Mineral grey |
| DISPLAY | Dell G15 (5520) | Lenovo ThinkBook 14-IIL (20SL) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | 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 | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 100% sRGB | - |
| 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 ThinkBook 14-IIL (20SL) |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H | Intel Core i5 (10th Gen) 1035G4 / 1.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 3.7 GHz |
| Number of Cores | 14-core | Quad-Core |
| Cache | 24 MB | 6 MB |
| 64-bit Computing | - | Yes |
| Features | Intel Smart Cache, Intel Deep Learning Boost (DL Boost) | Integrated memory controller |
| MEMORY | Dell G15 (5520) | Lenovo ThinkBook 14-IIL (20SL) |
|---|
| RAM | 16 GB (2 x 8 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | 16 GB |
| RAM Type | DDR5 SDRAM | DDR4 SDRAM |
| Speed | 4800 MHz | 2666 MHz |
| Rated Speed | 4800 MHz | 2666 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Dell G15 (5520) | Lenovo ThinkBook 14-IIL (20SL) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell G15 (5520) | Lenovo ThinkBook 14-IIL (20SL) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 | Intel Iris Plus Graphics |
|---|---|---|
| Video Memory | 6 GB GDDR6 SDRAM | - |
| Gaming | Yes | - |
| Camera | Yes - HD | Yes - 720p |
| Resolution | 0.92 Megapixel | - |
| Camera Features | RGB camera | ThinkShutter camera privacy |
| 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 |
| COMMUNICATIONS | Dell G15 (5520) | Lenovo ThinkBook 14-IIL (20SL) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | M.2 2230 | M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Killer Ethernet E2600 | - |
| Features | Dual stream (2x2) | - |
| BATTERY | Dell G15 (5520) | Lenovo ThinkBook 14-IIL (20SL) |
|---|
| Technology | 6-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 86 Wh | 45 Wh |
| Battery Life | Up to 9 hour(s) | Up to 9 hours |
| AC ADAPTER | Dell G15 (5520) | Lenovo ThinkBook 14-IIL (20SL) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 19.5 V | 65 Watt |
| INPUT | Dell G15 (5520) | Lenovo ThinkBook 14-IIL (20SL) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | - | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Dell G15 (5520) | Lenovo ThinkBook 14-IIL (20SL) |
|---|
| Interfaces | HDMI 3 x USB 3.2 Gen 1 Thunderbolt 4 LAN Headphone/microphone combo jack |
USB 2.0 (hidden) USB 3.1 Gen 1 (Always On) USB 3.1 Gen 1 USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Dell G15 (5520) | Lenovo ThinkBook 14-IIL (20SL) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Pro 64-bit Edition - Spanish |
|---|---|---|
| Software Included | Microsoft Office 2013 (Trial) | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Dell G15 (5520) | Lenovo ThinkBook 14-IIL (20SL) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | - | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Features | - | Administrator password, hard drive password, power-on password, RapidCharge |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3 |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | Limited warranty - 1 year | Limited warranty - 1 year - pick-up and return |
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