Side by side comparison and review of Lenovo ThinkPad T490 (20N2) and Dell G15 (5511). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Lenovo ThinkPad T490 (20N2) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
good security features
reliable performance
mediocre display quality
limited graphics power
noisy under load
heavier than competitors
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
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T490 (20N2) | Dell G15 (5511) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.9 cm x 22.7 cm x 1.79 cm | 35.726 cm x 27.211 cm x 2.533 cm |
| Weight | 1.55 kg | 2.81 kg |
| Case Material | Glass-fibre, polyphenylene sulfide, polyamide | - |
| Colour | Black | Dark shadow grey |
| DISPLAY | Lenovo ThinkPad T490 (20N2) | Dell G15 (5511) |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" |
|---|---|---|
| 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% | 45% NTSC |
| Features | Anti-glare | 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 |
| PROCESSOR | Lenovo ThinkPad T490 (20N2) | Dell G15 (5511) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Core i5 (11th Gen) 11400H |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 4.5 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | 6 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Chipset | - | Intel HM570 |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad T490 (20N2) | Dell G15 (5511) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB |
|---|---|---|
| Max RAM Supported | 40 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2933 MHz |
| Rated Speed | 2666 MHz | 2933 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad T490 (20N2) | Dell G15 (5511) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) | 256 GB SSD M.2 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T490 (20N2) | Dell G15 (5511) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce RTX 3050 |
|---|---|---|
| Video Memory | - | 4 GB GDDR6 SDRAM |
| Camera | Yes - 720p | Yes - HD |
| Resolution | - | 0.92 Megapixel |
| Camera Features | ThinkShutter camera privacy | 78.6 degrees, RGB 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 ALC3287 | Realtek ALC3254 |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | High Definition Audio |
| Audio Features | - | Nahimic 3D audio |
| COMMUNICATIONS | Lenovo ThinkPad T490 (20N2) | Dell G15 (5511) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | Intel Wi-Fi 6 AX 201 - M.2 2230 |
| Network Interface | Gigabit Ethernet | 2.5 Gigabit Ethernet |
| Ethernet Controller | Intel I219-V | Realtek RTL8125BGS |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE | - |
| Controller | FIBOCOM L830-EB - M.2 Card | - |
| BATTERY | Lenovo ThinkPad T490 (20N2) | Dell G15 (5511) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 56 Wh |
| Battery Life | Up to 16.11 hours | - |
| AC ADAPTER | Lenovo ThinkPad T490 (20N2) | Dell G15 (5511) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 180 Watt, 19.5 V, 9.23 A |
| INPUT | Lenovo ThinkPad T490 (20N2) | Dell G15 (5511) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | - |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T490 (20N2) | Dell G15 (5511) |
|---|
| Slots | 1 x Nano-SIM card (1 free) | - |
|---|---|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI Dock Headphone/microphone combo jack LAN |
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 |
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | Lenovo ThinkPad T490 (20N2) | Dell G15 (5511) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 11 Home |
|---|---|---|
| Software Included | - | McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) |
| MISCELLANEOUS | Lenovo ThinkPad T490 (20N2) | Dell G15 (5511) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card 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, MIL-STD-810G tested | - |
| Compliant Standards | RoHS | - |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 0 °C |
| Humidity Range Operating | - | 10 - 90% (non-condensing) |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
- |
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