Dell Inspiron 16 (5640) vs Lenovo ThinkPad X1 Carbon Gen 12
Dell's Inspiron 16 delivers excellent value for budget-conscious users needing a larger workspace, featuring a spacious 16-inch display and solid Intel Core 7 150U performance with 16GB DDR5 RAM. Lenovo's ThinkPad X1 Carbon Gen 12 commands premium pricing at $1,729 but justifies it with superior engineering: significantly lighter at 1.09kg versus 1.90kg, more durable carbon fiber construction, brighter 400-nit display, stronger Core Ultra 7 155H processor with 16 cores, longer 13-hour battery life, and business-class Windows 11 Pro. The Lenovo offers Thunderbolt 2 ports and dual USB-C versus single USB-C on Dell. For professionals prioritizing portability, build quality, and performance, the ThinkPad X1 Carbon is worth the investment. Budget buyers seeking a capable 16-inch workhorse will find the Inspiron 16 more practical and financially sensible.
Full Specifications
| Spec | Dell Inspiron 16 (5640) | Lenovo ThinkPad X1 Carbon Gen 12 |
|---|---|---|
| Software | Windows 11 Home | Windows 11 Pro |
| Body | ||
| Weight | 1.90 kg | 1.09 kg |
| Material | Aluminum lid with plastic base | Carbon fiber + magnesium |
| Dimensions | 357.9 x 252.0 x 19.0 mm | 312.8 x 215.0 x 14.96 mm |
| Ports | ||
| HDMI | 1 | 1 |
| USB-A ports | 2 | 2 |
| USB-C ports | 1 | 2 |
| SD card | ||
| Thunderbolt ports | 1 | 2 |
| Battery | ||
| Battery life | Up to 9 hours mixed use | Up to 13 hours |
| Capacity | 54 Wh | 57 Wh |
| Display | ||
| Size | 16.0 inches | 14 inches |
| Type | WVA anti-glare LED | IPS, anti-glare |
| Resolution | 1920 x 1200 | 1920 x 1200 |
| Refresh rate | 60Hz | — |
| Brightness (nits) | 250 | 400 |
| Storage | ||
| SSD | 512 GB NVMe | 512 GB |
| Expandable storage | ||
| Keyboard | ||
| Backlit | ||
| Processor | ||
| RAM | 16 GB DDR5 | 16 GB LPDDR5X |
| Cores | 10-core (2P+8E) | 16 cores |
| Chipset | Intel Core 7 150U | Intel Core Ultra 7 155H |
Category Scores
Pros & Cons
Dell Inspiron 16 (5640)
Pros
- Affordable 16-inch productivity laptop
- Generous port selection including HDMI and USB-A
- Comfortable keyboard with numpad
- 16 GB RAM and 512 GB SSD in base config
- Upgradeable storage and memory
Cons
- Dim 250-nit display unsuitable for bright rooms
- Plastic base feels less premium
- Mediocre battery life around 9 hours
- Low-power Core 7 150U trails H-class chips
- No discrete GPU option
Lenovo ThinkPad X1 Carbon Gen 12
Pros
- Exceptionally light at 1.09 kg with durable carbon fiber chassis
- Best-in-class ThinkPad keyboard with excellent travel
- MIL-STD-810H tested for durability
- Strong business security with vPro and discrete TPM
Cons
- Premium price compared to similarly specced ultrabooks
- Base 1920x1200 IPS display is uninspiring vs OLED rivals
- Limited GPU performance for creative workloads
- Webcam quality still trails Surface and MacBook competitors
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Explore more in laptops, see all Dell products or all Lenovo products. View full details for the Dell Inspiron 16 (5640) or the Lenovo ThinkPad X1 Carbon Gen 12.

