Dell G15 (5510) vs. Lenovo IdeaPad 720S-14IKBR (81BD)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell G15 (5510) and Lenovo IdeaPad 720S-14IKBR (81BD). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

Dell G15 (5510) Review

Advantages and disadvantages of Dell G15 (5510) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

affordable price point

robust thermal management

upgradable memory options

decent speaker quality

heavy build

average battery life

dim display

limited color accuracy

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 (5510) and Lenovo IdeaPad 720S-14IKBR (81BD)
75 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
65 % - Battery
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
72 % - Battery

Laptop Specifications Comparison

Dell G15 (5510) vs. Lenovo IdeaPad 720S-14IKBR (81BD) Comparison Chart
DESIGN AND DIMENSIONS Dell G15 (5510) Lenovo IdeaPad 720S-14IKBR (81BD)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.726 cm x 27.211 cm x 2.333 cm 32.07 cm x 22.28 cm x 1.59 cm
Weight 2.65 kg 1.55 kg
Case Material - Aluminium (top), aluminium (bottom)
Colour Dark shadow grey Silver
DISPLAY Dell G15 (5510) Lenovo IdeaPad 720S-14IKBR (81BD)
Screen Size (Type) 15.6" - IPS 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. 120 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 250 cd/m² 300 cd/m²
Colour Gamut 45% NTSC -
Features Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, Narrow Border Display, 35 ms response rate, 0.17925 mm pixel pitch Anti-glare
PROCESSOR Dell G15 (5510) Lenovo IdeaPad 720S-14IKBR (81BD)
CPU Intel Core i5 (10th Gen) 10500H / 2.5 GHz Intel Core i5 (8th Gen) 8250U / 1.6 GHz
Max Turbo Speed 4.5 GHz 3.4 GHz
Number of Cores 6-core Quad-Core
Cache 12 MB 6 MB
Chipset Intel HM470 -
Features Intel Smart Cache Integrated memory controller
MEMORY Dell G15 (5510) Lenovo IdeaPad 720S-14IKBR (81BD)
RAM 8 GB (1 x 8 GB) 8 GB (1 x 8 GB)
Max RAM Supported 32 GB 16 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2933 MHz 2400 MHz
Rated Speed 2933 MHz 2400 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots 1 0
STORAGE Dell G15 (5510) Lenovo IdeaPad 720S-14IKBR (81BD)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) 128 GB SSD M.2 2280 PCIe 3.0 x4
AUDIO & VIDEO Dell G15 (5510) Lenovo IdeaPad 720S-14IKBR (81BD)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA GeForce RTX 3050 Ti NVIDIA GeForce MX150 / Intel UHD Graphics 620
Video Memory 4 GB GDDR6 SDRAM 2 GB GDDR5 SDRAM
Camera Yes - HD Yes - 720p
Resolution 0.92 Megapixel 1 Megapixel
Camera Features 78.6 degrees, 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 Nahimic 3D audio Output: JBL
COMMUNICATIONS Dell G15 (5510) 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 Intel Wi-Fi 6 AX 201 - M.2 2230 M.2 Card
Network Interface Gigabit Ethernet -
Ethernet Controller Realtek RTL8111H -
Features - Single stream (1x1)
BATTERY Dell G15 (5510) Lenovo IdeaPad 720S-14IKBR (81BD)
Technology 3-cell Lithium Ion 4-cell lithium polymer
Battery Capacity (Size) 56 Wh 55 Wh
Battery Life Up to 8 hours Up to 14 hours
AC ADAPTER Dell G15 (5510) 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 (5510) 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 (5510) Lenovo IdeaPad 720S-14IKBR (81BD)
Interfaces LAN
USB 2.0 (PowerShare)
USB 2.0
USB 3.2 Gen 1
HDMI
Headphone/microphone combo jack
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode)
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 (5510) Lenovo IdeaPad 720S-14IKBR (81BD)
Operating System (OS) Windows 11 Home Windows 10 Home 64-bit Edition - English
Software Included Microsoft Office 2013 (Trial), McAfee LiveSafe (30 days trial) Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer
MISCELLANEOUS Dell G15 (5510) 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
Other projects: