| Model | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| Processor | | |
| 7th Generation Intel® Core™ i5-7300U with vPro™ (2.60GHz, up to 3.50GHz with Turbo Boost, 3MB Cache) | Up to 10th Generation Intel® Core™ i7-10510U (1.80GHz, up to 4.90GHz with Turbo Boost, 4 Cores, 8 Threads, 8MB Cache) |
| Up to 8th Generation Intel® Core™ i7-8650U with vPro™ (1.90GHz, up to 4.20GHz with Turbo Boost, 8MB Cache) | |
| Operating System | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| Windows 10 Pro | Windows 10 Home |
| | Windows 10 Pro |
| Display | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| 12.5″ HD (1366 x 768) anti-glare, 220 nits | 14″ HD (1366 x 768) anti-glare, 220 nits |
| 12.5″ FHD (1920 x 1080) IPS anti-glare touchscreen, 300 nits | 14″ FHD (1920 x 1080) IPS, anti-glare, 250 nits |
| | 14″ FHD (1920 x 1080) IPS, anti-glare, touchscreen, 300 nits |
| | 14″ FHD (1920 x 1080) IPS, low power, anti-glare, 400 nits |
| | 14″ WQHD (2560 x 1440) IPS, glossy, 500 nits |
| Graphics | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| Integrated Intel® HD Graphics 620 | Integrated Intel® UHD Graphics |
| Integrated Intel® UHD Graphics 620 | NVIDIA® GeForce® MX250 2GB |
| Memory | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| Up to 16GB DDR4 2400 MHz (Soldered) | Up to 48GB DDR4 2400MHz |
| Battery | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| Up to 15 hours | Up to 16.11 hours* 50Whr |
| | Rapid Charge available with 65W AC adapter |
| Storage | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| 256GB SSD PCIe | Up to 1TB PCIe SSD |
| Security | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| Match-on-chip fingerprint reader (Optional) | Fast Online Identity (FIDO) authentication capabilities |
| ThinkShutter | dTPM 2.0 |
| Optional IR camera | Optional: Match-on-Chip touch fingerprint reader |
| dTPM 2.0 | ThinkShutter, webcam privacy cover |
| Kensington® Lock slot | Optional: PrivacyGuard |
| FIDO | Optional: Privacy Alert |
| | Kensington lock slot |
| | For T490 Healthcare Edition |
| | FIPS-201 Fingerprint Reader |
| | RFID Reader |
| | IR camera with Windows Hello |
| | dTPM 2.0 |
| | ThinkShutter camera cover |
| | Optional: PrivacyGuard |
| | Optional: PrivacyAlert |
| | Kensington lock slot |
| Connectivity | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| WLAN: Intel® 8265 802.11AC (2 x 2) + Bluetooth® 4.1 with vPro™ | WWAN: Fibocom L850-GL 4G LTE-A Cat9 (Optional) |
| WWAN: Fibocom L850-GL 4G LTE-A Cat9 (Optional) | WLAN: Intel® Wi-Fi 6 AX201 802.11 AX (2 x 2) |
| | Bluetooth® 5.0 |
| | Optional: NFC† |
| Camera | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| 720p HD with ThinkShutter and microphone | HD 720p with ThinkShutter privacy cover |
| | Optional: Hybrid Infrared (IR) + HD with ThinkShutter |
| Keyboard | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| Spill resistant | Spill resistant |
| English (Optional backlit) | Bottom-load backlight with white LED lighting (Optional) |
| Spanish (Optional backlit) | Lenovo Quick Clean* (App that disengages keyboard / touchpad for up to 90 seconds) |
| Audio | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| Dolby Premium Audio™ | Dolby Audio™ Premium |
| | Dual Array far-field microphones |
| Ports & Slots | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| 2 x USB 3.1 Gen 1** (one Always On) | 2 x USB 3.1 Gen 1** (one Always On) |
| 1 x USB 3.1 Gen 1** Type-C (Power Delivery, DisplayPort, Data transfer) | 1 x USB 3.1 Gen 1 Type-C (Power Delivery, DisplayPort, Data transfer) |
| 1 x USB 3.1 Gen 2** Type-C / Intel Thunderbolt 3 (Power Delivery, DisplayPort, Data transfer) | 1 x USB 3.1 Gen 2 Type-C / Intel Thunderbolt 3 (Power Delivery, DisplayPort, Data transfer) |
| HDMI 1.4 | MicroSD card reader |
| Native RJ45 with dongle (sold separately) | Smart card reader (Optional) |
| Microphone/headphone audio combo jack | Headphone / mic combo |
| MicroSD card reader | Micro-SIM slot* |
| | HDMI 1.4 |
| | RJ45 Gigabit Ethernet |
| Dimensions (W x D x H) | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| 12.1″ x 8.3″ x 0.70″ / 307.7 x 209.8 x 17.8 (mm) | 329mm x 227mm x 17.9mm / 12.95″ x 8.94″ x 0.70″ |
| Weight | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| Starting at 2.78 lbs (1.26 kg) | Starting at: |
| | HD: 3.37 lbs (1.53 kg) |
| | FHD IPS / touchscreen & non-touch: 3.41 lbs (1.55 kg) |
| | FHD low power: 3.23 lbs (1.46 kg) |
| | FHD with PrivacyGuard: 3.56 lbs (1.61 kg) |
| | WQHD: 3.23 lbs (1.46 kg) |
| Supported Docking | Lenovo ThinkPad X280 | Lenovo ThinkPad X490 |
| | ThinkPad Thunderbolt Dock Gen 2 |
| | ThinkPad Basic/Pro/Ultra Dock |
