ASUS VivoBook 15 (2023) vs Lenovo ThinkBook 14 Gen 6
The Verdict
ASUS VivoBook 15 targets budget-conscious buyers needing a larger screen, while Lenovo ThinkBook 14 serves professionals willing to invest more. The VivoBook offers a 15.6-inch 1920x1080 display on an Intel Core i5-1335U with 8GB DDR4 RAM and 512GB storage at $499, making it excellent value for casual computing. ThinkBook counters with a smaller 14-inch 1920x1200 panel, superior Intel Core Ultra 5 125U processor, doubled RAM at 16GB LPDDR5X, plus Thunderbolt 3 support and Windows 11 Pro. Battery life heavily favors ThinkBook at 12 hours versus 8 hours, backed by a larger 60Wh cell. Build quality differs meaningfully: ThinkBook uses aluminum construction versus VivoBook's plastic chassis with metal lid. Both have identical port counts aside from ThinkBook's Thunderbolt advantage. For students or light users prioritizing screen size and affordability, VivoBook 15 delivers solid value. Professionals needing sustained battery life, faster processors, more RAM, and premium materials should choose ThinkBook 14. The $350 price gap reflects genuine performance and durability advantages rather than marketing alone.
Who Should Buy
Buy the ASUS VivoBook 15 (2023) if…
- →Affordable at $499 with a solid i5-1335U processor
- →512 GB SSD provides decent storage out of the box
- →Lightweight at 1.7 kg for a 15.6-inch laptop
Buy the Lenovo ThinkBook 14 Gen 6 if…
- →Intel Core Ultra with NPU for on-device AI tasks
- →Great port selection — USB-A, HDMI, and Thunderbolt
- →12-hour battery life handles a full workday
Category Scores
Pros & Cons
ASUS VivoBook 15 (2023)
Pros
- Affordable at $499 with a solid i5-1335U processor
- 512 GB SSD provides decent storage out of the box
- Lightweight at 1.7 kg for a 15.6-inch laptop
- ErgoLift hinge design improves typing ergonomics
- Expandable storage via M.2 slot
Cons
- 60Hz display feels outdated
- 42 Wh battery provides mediocre endurance
- 300-nit brightness is dim for outdoor or bright room use
- 8 GB soldered RAM is not upgradeable on some models
- Plastic build feels basic
Lenovo ThinkBook 14 Gen 6
Pros
- Intel Core Ultra with NPU for on-device AI tasks
- Great port selection — USB-A, HDMI, and Thunderbolt
- 12-hour battery life handles a full workday
- Solid aluminum build quality at a sub-$900 price
- Lightweight at 3.3 lbs for easy commuting
Cons
- FHD+ 300-nit display is not bright enough for outdoor use
- No dedicated GPU — struggles with photo/video editing
- Speakers are underwhelming and downward-firing
- Soldered LPDDR5X RAM cannot be upgraded
- Webcam is only 1080p without IR for Windows Hello face unlock
Full Specifications
| Spec | ASUS VivoBook 15 (2023) | Lenovo ThinkBook 14 Gen 6 |
|---|---|---|
| Software | Windows 11 Home | Windows 11 Pro |
| Body | ||
| Weight | 1.7 kg | 3.3 lbs (1.5 kg) |
| Material | Plastic chassis with metal lid | Aluminum |
| Dimensions | 359.7 x 232.5 x 17.9 mm | 12.56 x 8.82 x 0.66 inches |
| Ports | ||
| HDMI | 1 | |
| USB-A ports | 2 | 2 |
| USB-C ports | 1 | 1 |
| Headphone Jack | — | |
| SD card | — | |
| Thunderbolt ports | — | 1 |
| Battery | ||
| Battery life | Up to 8 hours | Up to 12 hours |
| Capacity | 42 Wh | 60 Wh |
| Display | ||
| Size | 15.6 inches | 14 inches |
| Type | IPS LCD | IPS anti-glare |
| Resolution | 1920 x 1080 | 1920 x 1200 |
| Refresh rate | 60Hz | 60Hz |
| Brightness (nits) | 300 | 300 |
| Storage | ||
| SSD | 512 GB PCIe NVMe | 512 GB PCIe Gen 4 NVMe |
| Expandable storage | ||
| Keyboard | ||
| Backlit | ||
| Processor | ||
| RAM | 8 GB DDR4 | 16 GB LPDDR5X |
| Cores | 10-core (2P + 8E) | 12 cores (2P + 8E + 2LPE) |
| Chipset | 13th Gen Intel Core i5-1335U | Intel Core Ultra 5 125U |
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This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
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