Dell G15 (5510) vs. Lenovo ThinkPad L15 Gen 3 (21C8)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell G15 (5510) and Lenovo ThinkPad L15 Gen 3 (21C8). 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 ThinkPad L15 Gen 3 (21C8) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 3 (21C8) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

good battery life

solid performance

adequate connectivity options

average display quality

heavier than competitors

limited graphics performance

higher price point

Laptop Comparison and Tests

Difference between Dell G15 (5510) and Lenovo ThinkPad L15 Gen 3 (21C8)
75 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
65 % - Battery
82 % - Design
75 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Dell G15 (5510) vs. Lenovo ThinkPad L15 Gen 3 (21C8) Comparison Chart
DESIGN AND DIMENSIONS Dell G15 (5510) Lenovo ThinkPad L15 Gen 3 (21C8)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.726 cm x 27.211 cm x 2.333 cm 36.02 cm x 23.7 cm x 1.993 cm
Weight 2.65 kg 1.76 kg
Case Material - Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Dark shadow grey Thunder black
DISPLAY Dell G15 (5510) Lenovo ThinkPad L15 Gen 3 (21C8)
Screen Size (Type) 15.6" - IPS 15.6" - 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 250 cd/m²
Colour Gamut 45% NTSC 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, 170° viewing angle
PROCESSOR Dell G15 (5510) Lenovo ThinkPad L15 Gen 3 (21C8)
CPU Intel Core i5 (10th Gen) 10500H / 2.5 GHz AMD Ryzen 7 Pro 5875U / 2 GHz
Max Turbo Speed 4.5 GHz 4.5 GHz
Number of Cores 6-core 8-core
Cache 12 MB L3 - 16 MB
Chipset Intel HM470 -
Features Intel Smart Cache Integrated memory controller
MEMORY Dell G15 (5510) Lenovo ThinkPad L15 Gen 3 (21C8)
RAM 8 GB (1 x 8 GB) 16 GB (1 x 16 GB)
Max RAM Supported 32 GB 64 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2933 MHz 3200 MHz
Rated Speed 2933 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 2
Empty Slots 1 1
STORAGE Dell G15 (5510) Lenovo ThinkPad L15 Gen 3 (21C8)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia
AUDIO & VIDEO Dell G15 (5510) Lenovo ThinkPad L15 Gen 3 (21C8)
Graphics Processor (GPU) NVIDIA GeForce RTX 3050 Ti AMD Radeon Graphics
Max Monitors Supported - 3 external monitor(s)
Video Memory 4 GB GDDR6 SDRAM -
Camera Yes - HD Yes - 1080p
Resolution 0.92 Megapixel -
Camera Features 78.6 degrees, 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, Dolby Voice
Audio Features Nahimic 3D audio -
COMMUNICATIONS Dell G15 (5510) Lenovo ThinkPad L15 Gen 3 (21C8)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6 AX 201 - M.2 2230 AMD RZ616 - M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8111H -
Features - Wake-on-LAN (WOL)
BATTERY Dell G15 (5510) Lenovo ThinkPad L15 Gen 3 (21C8)
Technology 3-cell Lithium Ion 3-cell lithium polymer
Battery Capacity (Size) 56 Wh 42 Wh
Battery Life Up to 8 hours -
AC ADAPTER Dell G15 (5510) Lenovo ThinkPad L15 Gen 3 (21C8)
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 ThinkPad L15 Gen 3 (21C8)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes Yes
Keyboard Backlight Yes Yes
Features - Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Dell G15 (5510) Lenovo ThinkPad L15 Gen 3 (21C8)
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-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
HDMI
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
LAN
Memory Card Reader - Yes (microSD)
SOFTWARE Dell G15 (5510) Lenovo ThinkPad L15 Gen 3 (21C8)
Operating System (OS) Windows 11 Home Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence
Software Included Microsoft Office 2013 (Trial), McAfee LiveSafe (30 days trial) -
MISCELLANEOUS Dell G15 (5510) Lenovo ThinkPad L15 Gen 3 (21C8)
Included Accessories Power adapter USB-C power adapter
Security - Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint 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 3, TCG Certified
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 -
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