Side by side comparison and review of Dell G15 (5520) and Lenovo IdeaPad 720S-14IKBR (81BD). 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 IdeaPad 720S-14IKBR (81BD) based on its technical characteristics, features, user experience, expert reviews and price level.
slim, lightweight design
sharp full HD display
solid overall performance
fast SSD storage
decent battery life
limited port selection
no dedicated GPU
average sound quality
pricier than competitors
DESIGN AND DIMENSIONS | Dell G15 (5520) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 35.726 cm x 27.211 cm x 2.533 cm | 32.07 cm x 22.28 cm x 1.59 cm |
Weight | 2.81 kg | 1.55 kg |
Case Material | - | Aluminium (top), aluminium (bottom) |
Colour | Dark shadow grey | Silver |
DISPLAY | Dell G15 (5520) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Screen Size (Type) | 15.6" | 14" - 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 | - |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 300 cd/m² | 300 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 IdeaPad 720S-14IKBR (81BD) |
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CPU | Intel Core i7 (12th Gen) 12700H | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
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Max Turbo Speed | 4.7 GHz | 3.4 GHz |
Number of Cores | 14-core | Quad-Core |
Cache | 24 MB | 6 MB |
Features | Intel Smart Cache, Intel Deep Learning Boost (DL Boost) | Integrated memory controller |
MEMORY | Dell G15 (5520) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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RAM | 16 GB (2 x 8 GB) | 8 GB (1 x 8 GB) |
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Max RAM Supported | 32 GB | 16 GB |
RAM Type | DDR5 SDRAM | DDR4 SDRAM |
Speed | 4800 MHz | 2400 MHz |
Rated Speed | 4800 MHz | 2400 MHz |
Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 1 |
Empty Slots | 0 | 0 |
STORAGE | Dell G15 (5520) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe) | 128 GB SSD M.2 2280 PCIe 3.0 x4 |
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AUDIO & VIDEO | Dell G15 (5520) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
Video Memory | 6 GB GDDR6 SDRAM | 2 GB GDDR5 SDRAM |
Gaming | Yes | - |
Camera | Yes - HD | Yes - 720p |
Resolution | 0.92 Megapixel | 1 Megapixel |
Camera Features | RGB camera | 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 ALC3254 | - |
Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio Premium |
Audio Features | - | Output: JBL |
COMMUNICATIONS | Dell G15 (5520) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
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Wireless Controller | M.2 2230 | M.2 Card |
Network Interface | Gigabit Ethernet | - |
Ethernet Controller | Killer Ethernet E2600 | - |
Features | Dual stream (2x2) | Single stream (1x1) |
BATTERY | Dell G15 (5520) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Technology | 6-cell Lithium Ion | 4-cell lithium polymer |
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Battery Capacity (Size) | 86 Wh | 55 Wh |
Battery Life | Up to 9 hour(s) | Up to 14 hours |
AC ADAPTER | Dell G15 (5520) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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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 IdeaPad 720S-14IKBR (81BD) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | Yes | - |
Keyboard Backlight | Yes | Yes |
Features | - | Multi-touch touchpad |
CONNECTIONS & EXPANSIONS | Dell G15 (5520) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Interfaces | HDMI 3 x USB 3.2 Gen 1 Thunderbolt 4 LAN Headphone/microphone combo jack |
USB 3.0 (Always On) USB 3.0 USB-C 3.1 Gen 1/Thunderbolt 3/DisplayPort 1.2a (Power Delivery) HDMI Headphone/microphone combo jack |
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Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
SOFTWARE | Dell G15 (5520) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Operating System (OS) | Windows 11 Home | Windows 10 Home 64-bit Edition - English |
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Software Included | Microsoft Office 2013 (Trial) | Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer |
MISCELLANEOUS | Dell G15 (5520) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Included Accessories | Power adapter | Power adapter |
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Security | - | Fingerprint reader |
Features | - | Administrator password, power-on password |
Compliant Standards | - | RoHS |
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 |