Detailed comparison and review of Dell G15 (5520) and Lenovo ThinkPad X1 Extreme Gen 5 (21DE). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
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
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
| DESIGN AND DIMENSIONS | Dell G15 (5520) | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.726 cm x 27.211 cm x 2.533 cm | 35.95 cm x 25.38 cm x 1.79 cm |
| Weight | 2.81 kg | 1.88 kg |
| Case Material | - | Aluminium (bottom), carbon fibre (top) |
| Colour | Dark shadow grey | Black paint |
| DISPLAY | Dell G15 (5520) | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) |
|---|
| Screen Size (Type) | 15.6" | 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. | 165 Hz | 165 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 500 cd/m² |
| Colour Gamut | 100% sRGB | 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, 178° viewing angle, Low Blue Light technology, X-Rite Pantone factory color calibration |
| PROCESSOR | Dell G15 (5520) | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H | Intel Core i7 (12th Gen) 12700H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 4.7 GHz |
| Number of Cores | 14-core | 14-core |
| Cache | 24 MB | 24 MB |
| Features | Intel Smart Cache, Intel Deep Learning Boost (DL Boost) | Integrated memory controller |
| MEMORY | Dell G15 (5520) | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) |
|---|
| RAM | 16 GB (2 x 8 GB) | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | 64 GB |
| RAM Type | DDR5 SDRAM | DDR5 SDRAM |
| Speed | 4800 MHz | 4800 MHz |
| Rated Speed | 4800 MHz | 4800 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 1 |
| STORAGE | Dell G15 (5520) | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 4.0 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 (5520) | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 | NVIDIA GeForce RTX 3050 Ti / Intel Iris Xe Graphics |
| Max Monitors Supported | - | 4 external monitor(s) |
| Video Memory | 6 GB GDDR6 SDRAM | 4 GB GDDR6 SDRAM |
| Gaming | Yes | - |
| Camera | Yes - HD | Yes - 1080p |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 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 |
| COMMUNICATIONS | Dell G15 (5520) | 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 | M.2 2230 | Intel Wi-Fi 6E AX 211 |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Killer Ethernet E2600 | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Dell G15 (5520) | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) |
|---|
| Technology | 6-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 86 Wh | 90 Wh |
| Battery Life | Up to 9 hour(s) | - |
| AC ADAPTER | Dell G15 (5520) | 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 (5520) | 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 (5520) | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0 x4) (1 free) |
|---|---|---|
| Interfaces | HDMI 3 x USB 3.2 Gen 1 Thunderbolt 4 LAN Headphone/microphone combo jack |
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 (5520) | 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) | Glance by Mirametrix |
| MISCELLANEOUS | Dell G15 (5520) | 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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