Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) vs LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H)
If you're eyeing the Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) for its mid-range perks, you might be surprised by what the LG gram 17" Laptop (17Z90S-H. ADB7U1, Core Ultra 7 155H) has to offer. In 2026, portability and performance matter more than ever, and the LG gram's impressive 17-inch screen and ultra-lightweight design really stand out. The Acer Aspire 5 has a solid lineup, including a 1080p webcam and Thunderbolt 4 support. With 2TB of storage compared to the Acer's 512GB, the LG gram is a no-brainer for anyone needing extra space for media or projects. Key specs: Display: 15.6" vs 17" and Weight: 62.79 oz vs 49.91 oz.
Why compare these? The Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) (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 | Acer Aspire | LG gram |
|---|---|---|
| User Rating | 4.2★ (111 reviews) | ✓4.5★ (6 reviews) |
| Top Strength | Thunderbolt 4 support (rare in this price bracket) | Incredibly lightweight (3.12 lbs) for a 17-inch laptop |
| Main Drawback | RAM is soldered and cannot be upgraded | RAM is soldered and limited to 16GB (cannot be upgraded) |
| Market Position | Mid-range | ✓Premium |

Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U)
Intel Core i7-1355U (10-core: 2P + 8E), 1.70 GHz base, up to 5.0 GHz turbo
Intel Iris Xe Graphics (integrated; shared memory)
No (Not supported)
TwinAir Cooling (dual copper thermal pipes, dual fans, air inlet keyboard)

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: Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) vs LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H)

Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U)

LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H)
| Criterion | Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) | LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H) |
|---|---|---|
| Rating | ★4.2(111)Amazon | ★4.5(6)Best Buy |
Processor | Intel Core i7-1355U (10-core: 2P + 8E), 1.70 GHz base, up to 5.0 GHz turbo | Intel Core Ultra 7 155H (Meteor Lake, 16 cores, up to 4.8 GHz) |
Graphics | Intel Iris Xe Graphics (integrated; shared memory) | Intel Arc Graphics (Integrated) |
AI Engine | No (Not supported) | Intel AI Boost (Dedicated NPU) |
Cooling | TwinAir Cooling (dual copper thermal pipes, dual fans, air inlet keyboard) | Air (Single fan with heat pipe) |
RAM | 16 GB LPDDR5 (Onboard) | 16 GB LPDDR5X (7467 MHz) |
RAM Upgrade | No (Soldered) | No (Soldered) |
Storage | 512 GB PCIe Gen4 NVMe SSD | 2 TB PCIe Gen4 NVMe SSD (Configured as 2x 1TB drives) |
Storage Upgrade | Yes (1x M.2 2280 PCIe Gen4 slot) | 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 | IPS (LCD; LED-backlit; ComfyView; Anti-glare) | IPS (Touchscreen; Anti-glare) |
Refresh Rate | 60 Hz | 60 Hz |
Brightness | 250 nits (Typical) | 350 nits (Typical) |
Color Gamut | 45% NTSC (Typical) | 99% DCI-P3 |
Keyboard Layout | US Standard (QWERTY) | US English (ANSI) with NumPad |
Keyboard Backlight | Yes | Yes |
Biometrics | Fingerprint reader (Touchpad integrated) | IR Face Recognition (Windows Hello) |
Webcam | 1080p FHD webcam with Temporal Noise Reduction (TNR) | 1080p FHD IR webcam with dual microphones |
USB Ports | 1x USB-C (Thunderbolt 4 / USB4 / Power Delivery / DisplayPort); 2x USB-A 3.2 Gen 1 (one with power-off charging) | 2x Thunderbolt 4 (USB-C; Power Delivery; DisplayPort); 2x USB-A 3.2 Gen 2 |
Video Ports | 1x HDMI 2.1 | 1x HDMI 2.1 |
Audio Ports | 1x 3.5mm Combo Audio Jack | 1x 3.5mm Headphone/Mic combo jack |
Connectivity | Wi-Fi 6E (802.11ax); Bluetooth 5.1 | Wi-Fi 6E (802.11ax 2x2); Bluetooth 5.3 |
Battery | 3-cell Li-Ion (50 Wh) | 77 Wh (Li-Ion) |
Charger | 65 W AC adapter (Barrel pin) | 65 W USB-C adapter |
Weight | 1.78 kg (3.92 lbs) | 1,415 g (3.12 lbs) |
Build Material | Aluminum top cover; Plastic chassis (Steel Gray) | Magnesium Alloy |
Operating System | Windows 11 Home | Windows 11 Home |
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Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U)
Intel Core i7-1355U (10-core: 2P + 8E), 1.70 GHz base, up to 5.0 GHz turbo
Intel Iris Xe Graphics (integrated; shared memory)
No (Not supported)
TwinAir Cooling (dual copper thermal pipes, dual fans, air inlet keyboard)
16 GB LPDDR5 (Onboard)
No (Soldered)
Pros
- Thunderbolt 4 support (rare in this price bracket)
- 1080p webcam with noise reduction
Cons
- RAM is soldered and cannot be upgraded
- Display has limited color gamut (45% NTSC) and average brightness

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 massive 2TB storage crushes the Acer Aspire 5 15 Slim Laptop's (A515-58M-7570, i7-1355U) 512GB. That said, grab the Acer Aspire 5 if you're looking for a more affordable option with Thunderbolt 4 support and a decent webcam.
Who should buy each?
Choose the Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) if: you want Thunderbolt 4 support, need a laptop for basic tasks, or prefer a lower price.
Choose the LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H) if: you require a large display for productivity, need 2TB of storage for extensive files, or want the longest battery life for travel.
Quality Seekers
Higher user rating (4.5★ vs 4.2★) indicates better overall satisfaction
→ Choose LG gram
Safe Choice Buyers
More widely tested with 111 reviews vs 6
→ Choose Acer Aspire
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 Acer Aspire
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 4.2★. That said, Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) could still be the right pick depending on your specific priorities.
Frequently Asked Questions
+Which is better: Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) or LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H)?
Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) is the better choice if you prioritize thunderbolt 4 support (rare in this price bracket). 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 (4.2★ vs 4.5★), so consider your specific needs and budget.
+What are the main differences between Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) and LG gram 17" Laptop (17Z90S-H.ADB7U1, Core Ultra 7 155H)?
Key differences: Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) offers thunderbolt 4 support (rare in this price bracket), 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 Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) ram is soldered and cannot be upgraded. 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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