Samsung Galaxy Book4 360 15.6 vs LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H)
The Samsung Galaxy Book4 360 15.6 is the mid-range option, offering a vibrant 15.6" Super AMOLED touchscreen and a 360° convertible design. In contrast, the LG gram 17" Laptop (17Z90S-H. ADB7U1, Core Ultra 7 155H) stands out with its ultra-lightweight build at just 3.12 lbs and a massive 2TB storage capacity. What matters most here is how these specs translate into real-world performance for your daily tasks. Key specs: Display: 15.6" vs 17" and Weight: 51.50 oz vs 49.91 oz.
Why compare these? The Samsung Galaxy Book4 360 15.6 (mid-range) and LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H) (high-end) represent different approaches to laptops. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.
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Key Differences at a Glance
| Aspect | Samsung Galaxy | LG gram |
|---|---|---|
| User Rating | 4★ (10 reviews) | ✓4.5★ (6 reviews) |
| Top Strength | Vibrant 15.6" Super AMOLED touchscreen with 100% DCI-P3 color volume | Incredibly lightweight (3.12 lbs) for a 17-inch laptop |
| Main Drawback | Refresh rate limited to 60Hz (Pro models feature 120Hz) | RAM is soldered and limited to 16GB (cannot be upgraded) |
| Market Position | Mid-range | ✓Premium |
Samsung Galaxy Book4 360 15.6
Intel Core 7 Series 1 (150U) (Raptor Lake-R, 10 cores, up to 5.4 GHz)
Intel Graphics (Integrated)
No (Not supported; lacks dedicated AI Boost NPU)
Air (Active fan cooling)
LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H)
Intel Core Ultra 7 155H (Meteor Lake, 16 cores, up to 4.8 GHz)
Intel Arc Graphics (Integrated)
Intel AI Boost (Dedicated NPU)
Air (Single fan with heat pipe)
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
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Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Samsung Galaxy Book4 360 15.6 vs LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H)
Samsung Galaxy Book4 360 15.6
LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H)
| Criterion | Samsung Galaxy Book4 360 15.6 | LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H) |
|---|---|---|
| Rating | ★4(10)Best Buy | ★4.5(6)Best Buy |
Processor | Intel Core 7 Series 1 (150U) (Raptor Lake-R, 10 cores, up to 5.4 GHz) | Intel Core Ultra 7 155H (Meteor Lake, 16 cores, up to 4.8 GHz) |
Graphics | Intel Graphics (Integrated) | Intel Arc Graphics (Integrated) |
AI Engine | No (Not supported; lacks dedicated AI Boost NPU) | Intel AI Boost (Dedicated NPU) |
Cooling | Air (Active fan cooling) | Air (Single fan with heat pipe) |
RAM | 16 GB LPDDR5 (6000 MHz) | 16 GB LPDDR5X (7467 MHz) |
RAM Upgrade | No (Soldered) | No (Soldered) |
Storage | 512 GB PCIe NVMe SSD | 2 TB PCIe Gen4 NVMe SSD (Configured as 2x 1TB drives) |
Storage Upgrade | Yes (2x M.2 2280 slots) | Yes (2x M.2 2280 slots; both occupied in this configuration) |
Display Size | 15.6" | 17" |
Resolution | 1920 x 1080 (FHD) | 2560 x 1600 (WQXGA) |
Aspect Ratio | 16:9 | 16:10 |
Screen Type | Super AMOLED (Touchscreen, S Pen supported) | IPS (Touchscreen; Anti-glare) |
Refresh Rate | 60 Hz | 60 Hz |
Brightness | 370 nits (Typical) | 350 nits (Typical) |
Color Gamut | 120% DCI-P3 (Color Volume) | 99% DCI-P3 |
Keyboard Layout | US English (ANSI) with NumPad | US English (ANSI) with NumPad |
Keyboard Backlight | Yes | Yes |
Biometrics | Fingerprint reader (Power button) | IR Face Recognition (Windows Hello) |
Webcam | 1080p FHD wide-angle camera | 1080p FHD IR webcam with dual microphones |
USB Ports | 2x Thunderbolt 4 (USB-C); 1x USB-A 3.2; 1x microSD card reader | 2x Thunderbolt 4 (USB-C; Power Delivery; DisplayPort); 2x USB-A 3.2 Gen 2 |
Video Ports | 1x HDMI 1.4b (plus video via Thunderbolt 4) | 1x HDMI 2.1 |
Audio Ports | 1x 3.5mm Headphone/Mic combo jack | 1x 3.5mm Headphone/Mic combo jack |
Connectivity | Wi-Fi 6E (802.11ax 2x2); Bluetooth 5.3 | Wi-Fi 6E (802.11ax 2x2); Bluetooth 5.3 |
Battery | 68 Wh | 77 Wh (Li-Ion) |
Charger | 65 W USB-C adapter | 65 W USB-C adapter |
Weight | 1,460 g (3.22 lbs) | 1,415 g (3.12 lbs) |
Build Material | Aluminum | Magnesium Alloy |
Operating System | Windows 11 Home | Windows 11 Home |
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Samsung Galaxy Book4 360 15.6
Intel Core 7 Series 1 (150U) (Raptor Lake-R, 10 cores, up to 5.4 GHz)
Intel Graphics (Integrated)
No (Not supported; lacks dedicated AI Boost NPU)
Air (Active fan cooling)
16 GB LPDDR5 (6000 MHz)
No (Soldered)
Pros
- Vibrant 15.6" Super AMOLED touchscreen with 100% DCI-P3 color volume
- Versatile 2-in-1 convertible form factor with 360° hinge
Cons
- Refresh rate limited to 60Hz (Pro models feature 120Hz)
- HDMI port is version 1.4, limiting external 4K output to 30Hz
LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H)
Intel Core Ultra 7 155H (Meteor Lake, 16 cores, up to 4.8 GHz)
Intel Arc Graphics (Integrated)
Intel AI Boost (Dedicated NPU)
Air (Single fan with heat pipe)
16 GB LPDDR5X (7467 MHz)
No (Soldered)
Pros
- Incredibly lightweight (3.12 lbs) for a 17-inch laptop
- Massive 2TB storage pre-installed (split across two 1TB drives)
Cons
- RAM is soldered and limited to 16GB (cannot be upgraded)
- Storage slots are both populated out of the box (must replace a drive to upgrade)
Which one is better?
The LG gram 17" Laptop (17Z90S-H. ADB7U1, Core Ultra 7 155H) is the better buy for most people - its 2TB SSD crushes the Samsung Galaxy Book4 360 15.6's 512GB. That said, grab the Samsung if you love a vibrant touchscreen with deep colors - it has a stunning 100% DCI-P3 color volume.
Who should buy each?
Choose the Samsung Galaxy Book4 360 15.6 if: you want a vibrant touchscreen for design work, appreciate the versatility of a 2-in-1, or need expandable storage.
Choose the LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H) if: you need a lightweight laptop for travel, require massive storage for media, or prefer a larger screen for multitasking. (17" display, 49.91 oz weight)
Quality Seekers
Higher user rating (4.5★ vs 4★) indicates better overall satisfaction
→ Choose LG gram
Safe Choice Buyers
More widely tested with 10 reviews vs 6
→ Choose Samsung Galaxy
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose LG gram
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose Samsung Galaxy
Conclusion
There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.
Bottom line: The LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H) leads with a 4.5★ rating versus 4★. That said, Samsung Galaxy Book4 360 15.6 could still be the right pick depending on your specific priorities.
Frequently Asked Questions
+Which is better: Samsung Galaxy Book4 360 15.6 or LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H)?
Samsung Galaxy Book4 360 15.6 is the better choice if you prioritize vibrant 15.6" super amoled touchscreen with 100% dci-p3 color volume. LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H) wins if you value incredibly lightweight (3.12 lbs) for a 17-inch laptop. Both are rated highly (4★ vs 4.5★), so consider your specific needs and budget.
+What are the main differences between Samsung Galaxy Book4 360 15.6 and LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H)?
Key differences: Samsung Galaxy Book4 360 15.6 offers vibrant 15.6" super amoled touchscreen with 100% dci-p3 color volume, while LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H) stands out with incredibly lightweight (3.12 lbs) for a 17-inch laptop. Consider that Samsung Galaxy Book4 360 15.6 refresh rate limited to 60hz (pro models feature 120hz). Meanwhile, LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H) ram is soldered and limited to 16gb (cannot be upgraded). Check the detailed specs table above for a complete comparison.
+Where can US buyers get the best price?
For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.
+Is this comparison up to date?
Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 26, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.
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