Acer Aspire 5 15 Laptop Core i7-1355U) vs Dell Inspiron 15 3520 — Intel Core i5-1235U
The Acer Aspire 5 15 Laptop Core i7-1355U) is the premium choice here, boasting a powerful i7-1355U processor that reaches speeds up to 5.0 GHz. In real-world use, the Acer's 1080p webcam provides sharper video quality compared to the Dell's 720p camera. While the Acer excels in processing power, the Dell’s 120Hz refresh rate makes it a standout for smoother scrolling and gaming experiences, which can be a game-changer for some users.
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Acer Aspire 5 15 Laptop Core i7-1355U)

Dell Inspiron 15 3520 — Intel Core i5-1235U
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 Laptop Core i7-1355U) vs Dell Inspiron 15 3520 — Intel Core i5-1235U

Acer Aspire 5 15 Laptop Core i7-1355U)

Dell Inspiron 15 3520 — Intel Core i5-1235U
| Criterion | Acer Aspire 5 15 Laptop Core i7-1355U) | Dell Inspiron 15 3520 — Intel Core i5-1235U |
|---|---|---|
| Rating | ★4.3(107)Amazon | ★4.5(2,701)Best Buy |
Processor | Intel Core i7-1355U (Raptor Lake, 10 cores, up to 5.0 GHz) | Intel Core i5-1235U (Alder Lake-U, 10 cores, up to 4.4 GHz) |
Graphics | Intel Iris Xe Graphics (Integrated) | Intel Iris Xe Graphics (Integrated; requires dual-channel RAM, otherwise UHD) |
AI Engine | No (Not supported) | No (Not supported) |
Cooling | Air (Single fan with TwinAir cooling design) | Air (Single fan) |
RAM | 16 GB LPDDR5 (4800 MHz) | 8 GB or 16 GB DDR4-2666/3200 MHz |
RAM Upgrade | No (Soldered) | Yes (2x SODIMM slots, up to 16 GB officially, 32 GB unofficially) |
Storage | 512 GB PCIe Gen4 NVMe SSD | 512 GB PCIe NVMe M.2 SSD |
Storage Upgrade | Yes (1x M.2 slot; user replaceable) | Yes (1x M.2 2230/2280 slot) |
Display Size | 15.6" | 15.6" |
Resolution | 1920 x 1080 (FHD) | 1920 x 1080 (FHD) |
Aspect Ratio | 16:9 | 16:9 |
Screen Type | IPS (Anti-glare, ComfyView) | IPS (Anti-glare; Wide Viewing Angle) |
Refresh Rate | 60 Hz | 120 Hz |
Brightness | 250 nits (Typical) | 250 nits (Typical) |
Color Gamut | 45% NTSC (approx. 60% sRGB) | 45% NTSC (approx. 60% sRGB) |
Keyboard Layout | US English (ANSI) with NumPad | US English (ANSI) with NumPad |
Keyboard Backlight | Yes | No (Optional/Configuration dependent; mostly No on retail units) |
Biometrics | Fingerprint reader (Integrated in touchpad) | No (Fingerprint reader is optional/configuration dependent) |
Webcam | 1080p FHD webcam with Temporal Noise Reduction | 720p HD camera |
USB Ports | 1x Thunderbolt 4 (USB-C); 2x USB-A 3.2 Gen 1 | 2x USB-A 3.2 Gen 1; 1x USB-A 2.0; (Note: USB-C is often ABSENT on i5-1235U US retail units) |
Video Ports | 1x HDMI 2.1 (Supports 4K@60Hz via Thunderbolt 4 or HDMI) | 1x HDMI 1.4 (Supports up to 1920x1080 @ 60Hz) |
Audio Ports | 1x 3.5mm Headphone/Mic combo jack | 1x 3.5mm Headphone/Mic combo jack |
Connectivity | Wi-Fi 6E (802.11ax); Bluetooth 5.1 | Wi-Fi 6 (802.11ax 2x2); Bluetooth 5.1 |
Battery | 50 Wh (3-cell Li-ion) | 41 Wh (3-cell Li-ion) or 54 Wh (4-cell; config dependent) |
Charger | 65 W barrel-pin adapter | 65 W Barrel-pin AC adapter (4.5mm) |
Weight | 1,780 g (3.92 lbs) | 1,660 g (3.65 lbs) |
Build Material | Aluminum (Lid) / Plastic (Chassis) | Plastic (Carbon Black) |
Operating System | Windows 11 Home | Windows 11 Home |
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Acer Aspire 5 15 Laptop Core i7-1355U)
✓ Pros:
- • Includes Thunderbolt 4 port (rare in this price bracket)
- • Sharp 1080p webcam is an upgrade over typical 720p budget cams
- • Aluminum lid gives a premium feel to the exterior
- • Decent performance for office tasks with Core i7-1355U
- • Wi-Fi 6E support for faster wireless connectivity
✗ Cons:
- • RAM is soldered and cannot be upgraded (limited to 16GB)
- • Display has limited color coverage (45% NTSC), appearing washed out
- • Only one M.2 storage slot (no secondary drive support)
- • Battery life is average with a 50Wh capacity
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Dell Inspiron 15 3520 — Intel Core i5-1235U
✓ Pros:
- • 120Hz refresh rate provides smoother scrolling than typical 60Hz budget laptops
- • Memory (RAM) is not soldered and can be upgraded via two SODIMM slots
- • Includes a full-size SD card slot (rare in modern laptops)
- • Decent port selection with three USB-A ports and HDMI
- • Lift hinge design improves airflow and typing angle
✗ Cons:
- • Most high-volume US retail configurations (e.g., Best Buy) LACK a USB-C port
- • HDMI 1.4 port cannot output 4K at 60Hz (limited to 1080p)
- • No keyboard backlight on many standard configurations
- • Plastic chassis feels budget-oriented and attracts fingerprints
- • Display colors are washed out (45% NTSC) and not suitable for photo editing
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Which one is better?
The Acer Aspire 5 15 Laptop Core i7-1355U) is the better buy for most people - its powerful i7-1355U processor at 5.0 GHz crushes the Dell Inspiron 15 3520 — Intel Core i5-1235U's i5-1235U.
Who should buy each?
Choose the Acer Aspire 5 15 Laptop Core i7-1355U) if: you need serious processing power for productivity tasks, you want a high-quality 1080p webcam for video calls, or you prefer premium build quality.
Choose the Dell Inspiron 15 3520 — Intel Core i5-1235U if: you want a smooth scrolling experience with a 120Hz display, you need an upgradeable RAM option for future-proofing, or you’re looking to save money without sacrificing too much performance.
Conclusion
We hope this comparison helps you buy with confidence. Both products are dependable; the right one depends on how you will use it.
Frequently Asked Questions
+Which has better value?
Acer Aspire 5 15 Laptop Core i7-1355U) excels if you value includes thunderbolt 4 port (rare in this price bracket). Dell Inspiron 15 3520 — Intel Core i5-1235U is better if you prioritize 120hz refresh rate provides smoother scrolling than typical 60hz budget laptops. Pick based on your budget and daily use.
+Is this an independent review?
Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.
+Do newer models exist?
Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.
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