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2026 comparison
Updated Jan 6, 2026
|Sources: Amazon, Manufacturer

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.

⚡ Refresh: 60 Hz vs 120 Hz⚖️ Weight: 62.79 oz vs 58.55 oz📷 Webcam: 1080p vs 720p

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Acer Aspire 5 15 Laptop Core i7-1355U)
Processor:Intel Core i7-1355U (Raptor Lake, 10 cores, up to 5.0 GHz)
Graphics:Intel Iris Xe Graphics (Integrated)
AI Engine:No (Not supported)
Cooling:Air (Single fan with TwinAir cooling design)
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Dell Inspiron 15 3520 — Intel Core i5-1235U
Processor:Intel Core i5-1235U (Alder Lake-U, 10 cores, up to 4.4 GHz)
Graphics:Intel Iris Xe Graphics (Integrated; requires dual-channel RAM, otherwise UHD)
AI Engine:No (Not supported)
Cooling:Air (Single fan)
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Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Display1 specs
Refresh Rate
Acer Aspire 5 15 Laptop Core i7-1355U)
60 Hz
Dell Inspiron 15 3520 — Intel Core i5-1235U
120 HzWinner
Performance2 specs
RAMKey
Acer Aspire 5 15 Laptop Core i7-1355U)
16 GB LPDDR5 (4800 MHz)
Dell Inspiron 15 3520 — Intel Core i5-1235U
8 GB or 16 GB DDR4-2666/3200 MHz
Storage
Acer Aspire 5 15 Laptop Core i7-1355U)
512 GB PCIe Gen4 NVMe SSD
Dell Inspiron 15 3520 — Intel Core i5-1235U
512 GB PCIe NVMe M.2 SSD
Battery1 specs
Battery CapacityKey
Acer Aspire 5 15 Laptop Core i7-1355U)
50 Wh (3-cell Li-ion)
Dell Inspiron 15 3520 — Intel Core i5-1235U
41 Wh (3-cell Li-ion) or 54 Wh (4-cell; config dependent)
Design1 specs
Weight
Acer Aspire 5 15 Laptop Core i7-1355U)
1,780 g (3.92 lbs)
Dell Inspiron 15 3520 — Intel Core i5-1235U
1,660 g (3.65 lbs)Winner
Connectivity1 specs
Connectivity
Acer Aspire 5 15 Laptop Core i7-1355U)
Wi-Fi 6E (802.11ax); Bluetooth 5.1
Dell Inspiron 15 3520 — Intel Core i5-1235U
Wi-Fi 6 (802.11ax 2x2); Bluetooth 5.1
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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)

Acer Aspire 5 15 Laptop Core i7-1355U)

4.3(107)Amazon
Dell Inspiron 15 3520 — Intel Core i5-1235U

Dell Inspiron 15 3520 — Intel Core i5-1235U

4.5(2,701)Best Buy
Acer Aspire 5 15 Laptop Core i7-1355U)

Acer Aspire 5 15 Laptop Core i7-1355U)

Rating:4.3(107)Amazon
Processor:Intel Core i7-1355U (Raptor Lake, 10 cores, up to 5.0 GHz)
Graphics:Intel Iris Xe Graphics (Integrated)
AI Engine:No (Not supported)
Cooling:Air (Single fan with TwinAir cooling design)
RAM:16 GB LPDDR5 (4800 MHz)
RAM Upgrade:No (Soldered)
Storage:512 GB PCIe Gen4 NVMe SSD
Storage Upgrade:Yes (1x M.2 slot; user replaceable)
Display Size:15.6"
Resolution:1920 x 1080 (FHD)
Aspect Ratio:16:9
Screen Type:IPS (Anti-glare, ComfyView)
Refresh Rate:60 Hz
Brightness:250 nits (Typical)
Color Gamut:45% NTSC (approx. 60% sRGB)
Keyboard Layout:US English (ANSI) with NumPad
Keyboard Backlight:Yes
Biometrics:Fingerprint reader (Integrated in touchpad)
Webcam:1080p FHD webcam with Temporal Noise Reduction
USB Ports:1x Thunderbolt 4 (USB-C); 2x USB-A 3.2 Gen 1
Video Ports:1x HDMI 2.1 (Supports 4K@60Hz via Thunderbolt 4 or HDMI)
Audio Ports:1x 3.5mm Headphone/Mic combo jack
Connectivity:Wi-Fi 6E (802.11ax); Bluetooth 5.1
Battery:50 Wh (3-cell Li-ion)
Charger:65 W barrel-pin adapter
Weight:1,780 g (3.92 lbs)
Build Material:Aluminum (Lid) / Plastic (Chassis)
Operating System:Windows 11 Home

✓ 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

As an Amazon Associate I earn from qualifying purchases.

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Dell Inspiron 15 3520 — Intel Core i5-1235U

Dell Inspiron 15 3520 — Intel Core i5-1235U

Rating:4.5(2,701)Best Buy
Processor:Intel Core i5-1235U (Alder Lake-U, 10 cores, up to 4.4 GHz)
Graphics:Intel Iris Xe Graphics (Integrated; requires dual-channel RAM, otherwise UHD)
AI Engine:No (Not supported)
Cooling:Air (Single fan)
RAM:8 GB or 16 GB DDR4-2666/3200 MHz
RAM Upgrade:Yes (2x SODIMM slots, up to 16 GB officially, 32 GB unofficially)
Storage:512 GB PCIe NVMe M.2 SSD
Storage Upgrade:Yes (1x M.2 2230/2280 slot)
Display Size:15.6"
Resolution:1920 x 1080 (FHD)
Aspect Ratio:16:9
Screen Type:IPS (Anti-glare; Wide Viewing Angle)
Refresh Rate:120 Hz
Brightness:250 nits (Typical)
Color Gamut:45% NTSC (approx. 60% sRGB)
Keyboard Layout:US English (ANSI) with NumPad
Keyboard Backlight:No (Optional/Configuration dependent; mostly No on retail units)
Biometrics:No (Fingerprint reader is optional/configuration dependent)
Webcam:720p HD camera
USB Ports: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 1.4 (Supports up to 1920x1080 @ 60Hz)
Audio Ports:1x 3.5mm Headphone/Mic combo jack
Connectivity:Wi-Fi 6 (802.11ax 2x2); Bluetooth 5.1
Battery:41 Wh (3-cell Li-ion) or 54 Wh (4-cell; config dependent)
Charger:65 W Barrel-pin AC adapter (4.5mm)
Weight:1,660 g (3.65 lbs)
Build Material:Plastic (Carbon Black)
Operating System:Windows 11 Home

✓ 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

As an Amazon Associate I earn from qualifying purchases.

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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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