Detailed comparison and review of Dell G15 (5520) and Lenovo ThinkPad T14s Gen 4 (21F9). 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 T14s Gen 4 (21F9) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
impressive battery life
powerful processor options
bright display
higher price point
limited graphics performance
no OLED option
heavier than competitors
| DESIGN AND DIMENSIONS | Dell G15 (5520) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 35.726 cm x 27.211 cm x 2.533 cm | 31.75 cm x 22.69 cm x 1.69 cm |
| Weight | 2.81 kg | 1.26 kg |
| Case Material | - | Aluminium (bottom), carbon fibre hybrid (top) |
| Colour | Dark shadow grey | Deep black |
| DISPLAY | Dell G15 (5520) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| Pixel Density (ppi) | 141 | - |
| V-Sync Rate at Max Res. | 165 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| 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, on-cell touch technology |
| PROCESSOR | Dell G15 (5520) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H | AMD Ryzen 5 Pro 7540U / 3.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 4.9 GHz |
| Number of Cores | 14-core | 6-core |
| Cache | 24 MB | L3 - 16 MB |
| Features | Intel Smart Cache, Intel Deep Learning Boost (DL Boost) | Integrated memory controller |
| MEMORY | Dell G15 (5520) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| RAM | 16 GB (2 x 8 GB) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR5 SDRAM | LPDDR5X SDRAM |
| Speed | 4800 MHz | 6400 MHz |
| Rated Speed | 4800 MHz | 7500 MHz |
| Form Factor | SO-DIMM 262-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 0 | - |
| STORAGE | Dell G15 (5520) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
|---|
| AUDIO & VIDEO | Dell G15 (5520) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 | AMD Radeon 740M |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 6 GB GDDR6 SDRAM | - |
| Gaming | Yes | - |
| Camera | Yes - HD | Yes |
| Resolution | 0.92 Megapixel | 5 Megapixel |
| Camera Features | RGB camera | Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection |
| 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 | - | Input: Dolby Voice, 360° far-field |
| COMMUNICATIONS | Dell G15 (5520) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| 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 | M.2 2230 | Qualcomm NFA725A |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Killer Ethernet E2600 | - |
| Features | Dual stream (2x2) | - |
| BATTERY | Dell G15 (5520) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Technology | 6-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 86 Wh | 57 Wh |
| Battery Life | Up to 9 hour(s) | - |
| AC ADAPTER | Dell G15 (5520) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 19.5 V | 65 Watt |
| INPUT | Dell G15 (5520) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| 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 |
| CONNECTIONS & EXPANSIONS | Dell G15 (5520) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Interfaces | HDMI 3 x USB 3.2 Gen 1 Thunderbolt 4 LAN Headphone/microphone combo jack |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 (Always On) 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) Headphone/microphone combo jack LAN (on supplied adapter) |
|---|
| SOFTWARE | Dell G15 (5520) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| 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) | Glance by Mirametrix |
| MISCELLANEOUS | Dell G15 (5520) | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Included Accessories | Power adapter | USB-C power adapter, Lenovo USB-C to Ethernet Adapter |
|---|---|---|
| Security | - | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, 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, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
| 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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