Dell G15 (5511) vs. Lenovo ThinkBook 15-IIL (20SM)

Laptop Comparison, Reviews and Tests
Lenovo ThinkBook 15-IIL (20SM)
Lenovo ThinkBook 15-IIL (20SM)

Our Rating: 75 %

In depth comparison and review of Dell G15 (5511) and Lenovo ThinkBook 15-IIL (20SM). 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 (5511) Review

Advantages and disadvantages of Dell G15 (5511) based on its technical characteristics, features, user experience, expert reviews and price level.

strong gaming performance

efficient thermal management

reasonable price point

robust build quality

upgradable memory options

heavyweight design

mediocre battery life

dim display

limited port selection

Lenovo ThinkBook 15-IIL (20SM) Review

Advantages and disadvantages of Lenovo ThinkBook 15-IIL (20SM) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price point

solid build quality

decent battery life

good processor performance

adequate storage options

average display quality

limited graphics capability

no thunderbolt support

heavier design

Laptop Comparison and Tests

Difference between Dell G15 (5511) and Lenovo ThinkBook 15-IIL (20SM)
73 % - Design
66 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery
78 % - Design
72 % - Display
72 % - Performance
78 % - Connectivity
74 % - Battery

Laptop Specifications Comparison

Dell G15 (5511) vs. Lenovo ThinkBook 15-IIL (20SM) Comparison Chart
DESIGN AND DIMENSIONS Dell G15 (5511) Lenovo ThinkBook 15-IIL (20SM)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.726 cm x 27.211 cm x 2.533 cm 36.4 cm x 24.5 cm x 1.89 cm
Weight 2.81 kg 1.8 kg
Case Material - Aluminum, polycarbonate ABS
Colour Dark shadow grey Mineral grey
DISPLAY Dell G15 (5511) Lenovo ThinkBook 15-IIL (20SM)
Screen Size (Type) 15.6" 15.6" - 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. 120 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 250 cd/m² 250 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 (5511) Lenovo ThinkBook 15-IIL (20SM)
CPU Intel Core i5 (11th Gen) 11400H Intel Core i5 (10th Gen) 1035G1 / 1 GHz
Max Turbo Speed 4.5 GHz 3.6 GHz
Number of Cores 6-core Quad-Core
Cache 12 MB 6 MB
64-bit Computing - Yes
Chipset Intel HM570 -
Features Intel Smart Cache Integrated memory controller
MEMORY Dell G15 (5511) Lenovo ThinkBook 15-IIL (20SM)
RAM 8 GB 8 GB (1 x 8 GB)
Max RAM Supported 32 GB 16 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2933 MHz 2666 MHz
Rated Speed 2933 MHz 2666 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots - 0
STORAGE Dell G15 (5511) Lenovo ThinkBook 15-IIL (20SM)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe)
AUDIO & VIDEO Dell G15 (5511) Lenovo ThinkBook 15-IIL (20SM)
Graphics Processor (GPU) NVIDIA GeForce RTX 3050 Intel UHD Graphics
Video Memory 4 GB GDDR6 SDRAM -
Camera Yes - HD Yes - 720p
Resolution 0.92 Megapixel -
Camera Features 78.6 degrees, 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
Audio Features Nahimic 3D audio -
COMMUNICATIONS Dell G15 (5511) Lenovo ThinkBook 15-IIL (20SM)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 Bluetooth 5.0, 802.11a/b/g/n/ac/ax
Wireless Controller Intel Wi-Fi 6 AX 201 - M.2 2230 M.2 Card
Network Interface 2.5 Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8125BGS -
Features - Dual stream (2x2)
BATTERY Dell G15 (5511) Lenovo ThinkBook 15-IIL (20SM)
Technology 3-cell Lithium Ion Lithium Ion
Battery Capacity (Size) 56 Wh 45 Wh
Battery Life - Up to 9 hours
AC ADAPTER Dell G15 (5511) Lenovo ThinkBook 15-IIL (20SM)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 180 Watt, 19.5 V, 9.23 A 65 Watt
INPUT Dell G15 (5511) Lenovo ThinkBook 15-IIL (20SM)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight Yes Yes
Features - Spill-resistant, multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Dell G15 (5511) Lenovo ThinkBook 15-IIL (20SM)
Interfaces LAN
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode)
USB 3.2 Gen 1 (PowerShare)
2 x USB 3.2 Gen 1
HDMI
Headphone/microphone combo jack
USB 2.0
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 (5511) Lenovo ThinkBook 15-IIL (20SM)
Operating System (OS) Windows 11 Home Windows 10 Pro 64-bit Edition - French
Software Included McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) Microsoft Office (30 days trial)
MISCELLANEOUS Dell G15 (5511) Lenovo ThinkBook 15-IIL (20SM)
Included Accessories Power adapter Power adapter
Security - Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type - Kensington security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features - Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested
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 - pick-up and return
Other projects: