Lenovo Yoga Slim 7i Gen 9 vs Samsung Galaxy Book4 Ultra
The Verdict
Both laptops deliver premium experiences but target different priorities. Lenovo Yoga Slim 7i excels with its exceptional 14.5-inch OLED display, superior portability at 1.5kg, and 14-hour battery life, making it ideal for mobile professionals. Samsung Galaxy Book4 Ultra counters with a larger 16-inch Dynamic AMOLED 2X screen, more powerful Intel Core Ultra 9 processor, SD card slot, and expandable storage,better suited for creative professionals and power users. Display quality remains competitive between OLED and AMOLED technologies. The $1,200 price difference is substantial; Lenovo offers remarkable value for everyday productivity, while Samsung justifies premium pricing through performance and expandability. Choose Lenovo for ultraportability and value, Samsung if you need raw processing power and a larger workspace.
Who Should Buy
Buy the Lenovo Yoga Slim 7i Gen 9 if…
- →Stunning 2.8K OLED 120Hz display with vivid color
- →Sleek aluminum chassis with premium build quality
- →Strong Intel Core Ultra performance with NPU for AI
Buy the Samsung Galaxy Book4 Ultra if…
- →Stunning 3K AMOLED 120Hz display with deep colors
- →Includes NVIDIA RTX 4050 or 4070 discrete GPU
- →Surprisingly thin and light for a 16-inch with dGPU
Category Scores
Pros & Cons
Lenovo Yoga Slim 7i Gen 9
Pros
- Stunning 2.8K OLED 120Hz display with vivid color
- Sleek aluminum chassis with premium build quality
- Strong Intel Core Ultra performance with NPU for AI
- Generous 70 Wh battery delivers solid all-day life
Cons
- Soldered RAM cannot be upgraded later
- Limited port selection (no full-size SD card slot)
- Fans can spin up audibly under sustained loads
- OLED display can be reflective in bright environments
Samsung Galaxy Book4 Ultra
Pros
- Stunning 3K AMOLED 120Hz display with deep colors
- Includes NVIDIA RTX 4050 or 4070 discrete GPU
- Surprisingly thin and light for a 16-inch with dGPU
- Tight integration with Samsung Galaxy ecosystem
Cons
- Premium pricing rivals workstation laptops
- Soldered RAM, only storage is upgradable
- Speakers underwhelming versus MacBook competitors
- Touchpad palm rejection occasionally inconsistent
Full Specifications
| Spec | Lenovo Yoga Slim 7i Gen 9 | Samsung Galaxy Book4 Ultra |
|---|---|---|
| Software | Windows 11 Home | Windows 11 Home |
| Body | ||
| Weight | 1.5 kg | 1.86 kg |
| Material | Aluminum | Aluminum |
| Dimensions | 325.3 x 226.9 x 14.9 mm | 355.4 x 250.4 x 16.5 mm |
| Ports | ||
| HDMI | 1 | 1 |
| USB-A ports | 1 | 1 |
| USB-C ports | 2 | 2 |
| SD card | ||
| Thunderbolt ports | 2 | 2 |
| Battery | ||
| Battery life | Up to 14 hours | Up to 13 hours |
| Capacity | 70 Wh | 76 Wh |
| Display | ||
| Size | 14.5 inches | 16 inches |
| Type | OLED touchscreen | Dynamic AMOLED 2X touchscreen |
| Resolution | 2880 x 1800 | 2880 x 1800 |
| Refresh rate | 120Hz | 120Hz |
| Brightness (nits) | 400 | 400 |
| Storage | ||
| SSD | 1 TB | 1 TB |
| Expandable storage | ||
| Keyboard | ||
| Backlit | ||
| Processor | ||
| RAM | 16 GB LPDDR5X | 16 GB LPDDR5X |
| Cores | 16 cores | 16 cores |
| Chipset | Intel Core Ultra 7 155H | Intel Core Ultra 9 185H |
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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.
Explore more in laptops, see all Lenovo products or all Samsung products. View full details for the Lenovo Yoga Slim 7i Gen 9 or the Samsung Galaxy Book4 Ultra.

