Dell G15 (5510) vs. Lenovo ThinkPad X1 Extreme Gen 5 (21DE)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell G15 (5510) and Lenovo ThinkPad X1 Extreme Gen 5 (21DE). 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 X1 Extreme Gen 5 (21DE) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Extreme Gen 5 (21DE) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful intel processors

robust build quality

excellent 4k display

advanced security features

wide connectivity options

high price point

heavier than competitors

average battery life

loud under load

Laptop Comparison and Tests

Difference between Dell G15 (5510) and Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
75 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
65 % - Battery
82 % - Design
85 % - Display
92 % - Performance
86 % - Connectivity
82 % - Battery

Laptop Specifications Comparison

Dell G15 (5510) vs. Lenovo ThinkPad X1 Extreme Gen 5 (21DE) Comparison Chart
DESIGN AND DIMENSIONS Dell G15 (5510) Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.726 cm x 27.211 cm x 2.333 cm 35.95 cm x 25.38 cm x 1.79 cm
Weight 2.65 kg 1.88 kg
Case Material - Aluminium (bottom), carbon fibre (top)
Colour Dark shadow grey Black paint
DISPLAY Dell G15 (5510) Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Screen Size (Type) 15.6" - IPS 16" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 2560 x 1600 (WQXGA)
Pixel Density (ppi) 141 -
V-Sync Rate at Max Res. 120 Hz 165 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² 500 cd/m²
Colour Gamut 45% NTSC 100% sRGB
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, 178° viewing angle, Low Blue Light technology, X-Rite Pantone factory color calibration
PROCESSOR Dell G15 (5510) Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
CPU Intel Core i5 (10th Gen) 10500H / 2.5 GHz Intel Core i7 (12th Gen) 12700H / 2.3 GHz
Max Turbo Speed 4.5 GHz 4.7 GHz
Number of Cores 6-core 14-core
Cache 12 MB 24 MB
Chipset Intel HM470 -
Features Intel Smart Cache Integrated memory controller
MEMORY Dell G15 (5510) Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
RAM 8 GB (1 x 8 GB) 16 GB (1 x 16 GB)
Max RAM Supported 32 GB 64 GB
RAM Type DDR4 SDRAM DDR5 SDRAM
Speed 2933 MHz 4800 MHz
Rated Speed 2933 MHz 4800 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 2 2
Empty Slots 1 1
STORAGE Dell G15 (5510) Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Performance
AUDIO & VIDEO Dell G15 (5510) Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA GeForce RTX 3050 Ti NVIDIA GeForce RTX 3050 Ti / Intel Iris Xe Graphics
Max Monitors Supported - 4 external monitor(s)
Video Memory 4 GB GDDR6 SDRAM 4 GB GDDR6 SDRAM
Camera Yes - HD Yes - 1080p
Resolution 0.92 Megapixel -
Camera Features 78.6 degrees, RGB camera Privacy shutter, IR camera, Windows Hello, 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 Realtek ALC3306
Compliant Standards High Definition Audio High Definition Audio, Dolby Audio Premium, Dolby Voice
Audio Features Nahimic 3D audio -
COMMUNICATIONS Dell G15 (5510) Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 NFC, Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6 AX 201 - M.2 2230 Intel Wi-Fi 6E AX 211
Network Interface Gigabit Ethernet -
Ethernet Controller Realtek RTL8111H -
Features - Dual stream (2x2)
BATTERY Dell G15 (5510) Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Technology 3-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 56 Wh 90 Wh
Battery Life Up to 8 hours -
AC ADAPTER Dell G15 (5510) Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 19.5 V 170 Watt
INPUT Dell G15 (5510) Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features - Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad
CONNECTIONS & EXPANSIONS Dell G15 (5510) Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Slots - 2 x M.2 (PCI Express 4.0 x4) (1 free)
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 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
Memory Card Reader - Yes (SD Express Card)
SOFTWARE Dell G15 (5510) Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Operating System (OS) Windows 11 Home Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - German
Software Included Microsoft Office 2013 (Trial), McAfee LiveSafe (30 days trial) Glance by Mirametrix
MISCELLANEOUS Dell G15 (5510) Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Included Accessories Power adapter 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, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TÜV Rheinland Low Blue Light Method 2
ENERGY STAR Certified - Yes
EPEAT Compliant - EPEAT Gold
TCO Certified - TCO Certified Notebooks 9
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 Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site
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