| Model | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| Processor | | |
| GEN 7 (14”) | |
| 8th Generation Intel® Core™ i5-8265U (1.60GHz, up to 3.90GHz with Turbo Boost, 4 Cores, 6MB Cache) | 8th Generation Intel® Core™ i7-8665U with vPro™ (1.90GHz, up to 4.80GHz with Turbo Boost, 4 Cores, 8MB Cache) |
| 8th Generation Intel® Core™ i7-8665U with vPro™ (1.90GHz, up to 4.80GHz with Turbo Boost, 4 Cores, 8MB Cache) | |
| 10th Generation Intel® Core™ i5-10210U (1.60GHz, up to 4.20GHz with Turbo Boost, 4 Cores, 6MB Cache) | |
| 10th Generation Intel® Core™ i7-10510U (1.80GHz, up to 4.90GHz with Turbo Boost, 4 Cores, 8MB Cache) | |
| Gen 6 (14″) | |
| 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 X1 Carbon | Lenovo ThinkPad T490s |
| Windows 10 Home | Windows 10 Pro |
| Windows 10 Pro | |
| Display | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| GEN 7 (14”) | |
| 14″ WQHD (2560 x 1440) IPS, anti-glare, 300 nits | 14.0″ FHD (1920 x 1080) IPS, anti-glare, touchscreen, 300 nits |
| 14″ FHD (1920 x 1080) IPS, low power, anti-glare, 400 nits | |
| 14″ FHD (1920 x 1080) IPS, anti-glare, touchscreen, 300 nits | |
| 14″ UHD (3840 x 2160) IPS, glossy, dolby vision™ HDR 400, 500 nits | |
| Gen 6 (14″) | |
| 14″ FHD (1920 x 1080) IPS, anti-glare, 300 nits | |
| 14″ WQHD (2560 x 1440) IPS, anti-glare, 300 nits | |
| Memory | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| GEN 7 (14”) | |
| Up to 16GB LPDDR3 2133MHz | 8GB DDR4 2400 MHz (Soldered) |
| Gen 6 (14″) | |
| 8GB LPDDR3 2133 MHz (Soldered) | |
| Battery | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| GEN 7 (14”) | |
| Up to 18.3 hours* on 51Whr, includes Rapid Charge technology† | Up to 20 hours* 57Wh, |
| Gen 6 (14″) | Rapid Charge technology available with 65W AC |
| Integrated 3 cell Li-Ion 57Wh with RapidCharge technology | |
| Up to 15 hours of battery life* | |
| Storage | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| GEN 7 (14”) | |
| Up to 1TB SSD PCIe | 512GB SSD PCIe |
| Gen 6 (14″) | |
| 256GB SSD PCIe | |
| Graphics | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| Up to Integrated Intel® UHD 620 Graphics | Integrated Intel® UHD 620 graphics |
| | |
| Security | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| GEN 7 (14”) | |
| Fast Identity Online (FIDO) authentication capabilities | Fast Online Identity (FIDO) authentication capabilities |
| Match-on-Chip Fingerprint Reader | Optional: Match-on-Chip touch fingerprint reader |
| dTPM 2.0 chip | dTPM 2.0 |
| ThinkShutter camera cover | Optional: Match-on-Chip touch fingerprint reader |
| Optional: ThinkPad PrivacyGuard | ThinkShutter |
| Optional: ThinkPad PrivacyAlert* | Optional: PrivacyGuard |
| Optional IR Camera | Optional: PrivacyAlert (requires PrivacyGuard) |
| Kensington lock slot | Kensington lock slot |
| Gen 6 (14″) | |
| Fast Identity Online (FIDO) authentication capabilities | |
| dTPM 2.0 | |
| Match-on-chip touch fingerprint reader | |
| Windows Hello with facial recognition software (requires IR camera) | |
| ThinkShutter | |
| Kensington® lock slot | |
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| Audio | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| GEN 7 (14”) | |
| Dolby Atmos™ Speaker System | Dolby Audio™ Premium |
| 4 x 360-degree far-field microphones | Dual far-field microphones |
| Gen 6 (14″) | |
| Noise-cancelling dual-array far field microphones | |
| Dolby Audio™ Premium | |
| Dolby Atmos® for headphones | |
| Camera | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| GEN 7 (14”) | |
| 720p HD Camera with microphone | 720p HD with ThinkShutter privacy cover |
| IR & 720p HD Camera with microphone | Optional: Hybrid Infrared (IR) with ThinkShutter |
| Gen 6 (14″) | |
| HD 720p with ThinkShutter and microphone | |
| Optional: IR camera – required for facial recognition. ThinkShutter is not available on configurations with the IR Camera. | |
| Dimensions (H x W x D) | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| GEN 7 (14”) | |
| 12.71″ x 8.54″ x 0.58″ / 323 x 217 x 14.95 (mm) | 12.95” x 8.90” x 0.63” / 328.8 x 226.15 x 16.7 (mm) |
| Gen 6 (14″) | |
| 12.73″ x 8.54″ x 0.62″ / 323.5 x 217.1 x 15.95 (mm) | |
| Weight | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| GEN 7 (14”) | |
| Starting at 2.40 lbs (1.08 kg) | Starting at 2.98 lbs (1.35 kg) |
| Gen 6 (14″) | |
| Starting at 2.49 lbs (1.13 kg) | |
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| Color | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| Black | Black |
| Connectivity | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| GEN 7 (14”) | |
| Network extension for Ethernet/side mechanical docking | WWAN: Fibocom L850-GL 4G LTE-A Cat9 (Optional) |
| WLAN: Intel® Dual-Band 9560 802.11 AC (2 x 2) | WLAN: Intel® Dual-Band 9560 with vPro™ 802.11 AC (2 x 2) |
| Optional WLAN: Intel® Dual-Band 9560 802.11 AC vPro™ (2 x 2) | Bluetooth® 5.0 |
| Bluetooth® 5.0 | |
| Optional WWAN: Fibocom L850-GL 4G LTE CAT9 | |
| Gen 6 (14″) | |
| Intel® 8265 802.11AC (2 x 2) + Bluetooth® 4.1 with vPro™ | |
| Ports | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| GEN 7 (14”) | |
| 2 x USB 3.1 (Gen 2) Type-C / Intel Thunderbolt™ 3 (DisplayPort, Data transfer) | 2 x USB 3.1 Gen 1** (one Always On) |
| 2 x USB 3.1 (Gen 1)** (1 always on) | 1 x USB 3.1 Gen 1 Type-C (Power Delivery, DisplayPort, Data transfer) |
| HDMI 1.4 | 1 x USB 3.1 Gen 2 Type-C / Intel Thunderbolt 3 (Power Delivery, DisplayPort, Data transfer) |
| Network extension for Ethernet/side mechanical docking | Combo MicroSD card reader / Micro-Sim slot |
| Headphone / mic combo | Smart card reader (Optional) |
| Optional: WWAN slot | Headphone / mic combo |
| Gen 6 (14″) | HDMI 1.4 |
| 2 x USB 3.1 Gen 1** (one Always On) | RJ45 Gigabit via Ethernet Extension Adapter (Optional) |
| 2 x USB 3.1 Gen 2 Type-C / Intel Thunderbolt 3 (Power Delivery, DisplayPort, Data transfer) | |
| HDMI | |
| Headphone / microphone combo jack | |
| MicroSD card reader | |
| Ethernet Extension Connector (Dongle for Native Ethernet sold separately) | |
| Keyboard | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| Spill resistant | Spill resistant |
| Backlit with white LED lighting | Bottom-load backlight with white LED lighting (Optional) |
| | |
| Supported Docking | Lenovo ThinkPad X1 Carbon | Lenovo ThinkPad T490s |
| ThinkPad Thunderbolt™ 3 Dock | ThinkPad Thunderbolt Dock Gen 2 |
| USB 3.0 Dock | ThinkPad Basic/Pro/Ultra Dock |
| ThinkPad 90W Basic Dock | |
| ThinkPad 90W Pro Dock | |
| ThinkPad 90W Ultra Dock | |
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