Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U vs Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
Compare specifications, current prices and availability. Choose up to four products from the same family.
Add up to 2 more items to compare
Lenovo IdeaPad Slim 3, Core i7-13420HKSh 85,000
HP OmniBook Ultra 14t-fh000, Core Ultra Ultra 7 256VKSh 185,000.00
HP OmniBook Ultra Flip 14, Ultra 9 Series 288V, 32GB RAM, 2TB SSDKSh 227,000.00
HP Envy x360 15t-fe000, Core i7-1355U + RTX 3050 4GBKSh 175,000.00
Quick comparison
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U |  Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
|---|---|---|
| Display Size | — | 15.1 inches |
| Processor | Intel Core Ultra 7 155U | Intel Core i9-14900HX |
| GPU | Integrated Intel Graphics | NVIDIA GeForce RTX 5070 Laptop GPU |
| RAM | 32GB | 16GB |
| Storage | 512GB | 1TB |
No differences in these highlights for the visible products.
Full specifications
2 of 4 products
No specification differences for the visible products. Turn off “Show differences only” to see all published specifications.
General
| Specification | Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U | Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
|---|---|---|
| Brand | Lenovo | Lenovo |
| Model | Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U | Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
| Announced | 2024 | 2025 |
| Form Factor | Clamshell | Clamshell |
Design
| Specification | Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U | Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
|---|---|---|
| Build Materials | carbon fiber build | Plastic chassis |
Display
| Specification | Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U | Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
|---|---|---|
| Display Size | — | 15.1 inches |
| Display Type | — | OLED |
| Resolution | — | 2560 × 1600 |
| Refresh Rate | — | 165Hz |
| Brightness | — | 500 nits |
| Touchscreen | — | No |
| Display Features | — | 100% DCI-P3 |
Performance
| Specification | Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U | Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
|---|---|---|
| Processor | Intel Core Ultra 7 155U | Intel Core i9-14900HX |
| CPU | 12 cores, 14 threads, up to 4.8GHz | 24 cores (8 performance + 16 efficiency), 32 threads, up to 5.8GHz |
| GPU | Integrated Intel Graphics | NVIDIA GeForce RTX 5070 Laptop GPU |
| Graphics Memory | Shared system memory | 8GB GDDR7 |
| RAM Type | — | DDR5-5600 |
| Storage Type | — | PCIe NVMe SSD |
Memory & Storage
| Specification | Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U | Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
|---|---|---|
| RAM | 32GB | 16GB |
| Storage | 512GB | 1TB |
Battery & Charging
| Specification | Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U | Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
|---|---|---|
| Battery | — | 80Wh Battery |
| Charging | — | Super Rapid Charge |
| Power Adapter | — | 230W / 300W Adapter |
Software
| Specification | Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U | Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
|---|---|---|
| Operating System | — | Windows 11 Home |
Connectivity
| Specification | Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U | Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
|---|---|---|
| Ethernet | No built-in Ethernet | Gigabit Ethernet |
| Wi-Fi | — | Wi-Fi 7 |
| Bluetooth | — | Bluetooth 5.4 |
Keyboard & Input
| Specification | Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U | Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
|---|---|---|
| Stylus Support | No | No |
| Keyboard | — | 24-zone RGB keyboard |
| Keyboard Backlight | — | Yes |
What's in the Box
| Specification | Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U | Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
|---|---|---|
| Laptop | Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U | Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
| Power Adapter | — | 230W / 300W Adapter |
Camera & Audio
| Specification | Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U | Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
|---|---|---|
| Speakers | — | Stereo 2W ×2 Speakers |
| Microphones | — | Dual Microphone Array |
| Audio Features | — | Nahimic Audio |
Additional Features
| Specification | Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U | Lenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB |
|---|---|---|
| Special Features | — | Lenovo AI Engine / gaming performance features |