Dell G15 (5520) vs. Lenovo IdeaPad 720S-14IKBR (81BD)

Laptop Comparison, Reviews and Tests

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.

Dell G15 (5520) Review

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

Lenovo IdeaPad 720S-14IKBR (81BD) Review

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

Laptop Comparison and Tests

Difference between Dell G15 (5520) and Lenovo IdeaPad 720S-14IKBR (81BD)
76 % - Design
75 % - Display
85 % - Performance
85 % - Connectivity
74 % - Battery
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
72 % - Battery

Laptop Specifications Comparison

Dell G15 (5520) vs. Lenovo IdeaPad 720S-14IKBR (81BD) Comparison Chart
DESIGN AND DIMENSIONS Dell G15 (5520) Lenovo IdeaPad 720S-14IKBR (81BD)
Product Type Notebook Notebook
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)
Screen Size (Type) 15.6" 14" - IPS
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)
CPU Intel Core i7 (12th Gen) 12700H Intel Core i5 (8th Gen) 8250U / 1.6 GHz
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)
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 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)
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
AUDIO & VIDEO Dell G15 (5520) Lenovo IdeaPad 720S-14IKBR (81BD)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
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)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac, Bluetooth 4.1
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)
Technology 6-cell Lithium Ion 4-cell lithium polymer
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)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 19.5 V 65 Watt
INPUT Dell G15 (5520) Lenovo IdeaPad 720S-14IKBR (81BD)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features - Multi-touch touchpad
CONNECTIONS & EXPANSIONS Dell G15 (5520) Lenovo IdeaPad 720S-14IKBR (81BD)
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
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Dell G15 (5520) Lenovo IdeaPad 720S-14IKBR (81BD)
Operating System (OS) Windows 11 Home Windows 10 Home 64-bit Edition - English
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)
Included Accessories Power adapter Power adapter
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
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