The Lenovo ThinkPad T440 and T440s are both laptops designed for business use, but there are some differences between the two models. Here are the main differences:
- Size and Weight: The T440s is thinner and lighter than the T440. The T440s measures 13.03 x 0.83 x 8.89 inches and weighs 3.5 pounds, while the T440 measures 13.34 x 0.82 x 9.15 inches and weighs 3.98 pounds.
- Display: The T440s has a better display than the T440. The T440s has an IPS display with better viewing angles and color accuracy, while the T440 has a TN display.
- RAM: The T440s has a maximum RAM capacity of 12GB, while the T440 can be upgraded to a maximum of 16GB.
- Battery Life: The T440 has a longer battery life than the T440s. The T440 has a 6-cell battery that can last up to 8 hours, while the T440s has a 3-cell battery that can last up to 6 hours.
- Price: The T440s is generally more expensive than the T440, due to its better display, lighter weight, and thinner profile.
Overall, the T440s is a more premium model with better features and design, while the T440 is a more budget-friendly option.