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2026 comparison
Updated Jan 16, 2026
|Sources: Amazon, Manufacturer

Dell Inspiron 15 3520 — Intel Core i5-1235U vs Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U)

Time to compare Dell Inspiron 15 3520 — Intel Core i5-1235U with Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U). We will cover the essentials so you can buy with confidence.

Ratings: 4.5★ vs 4.3★

As an Amazon Associate I earn from qualifying purchases.

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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Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U)
Processor:Intel Core i7-1355U (10-core: 2P + 8E), 1.70 GHz base, up to 5.0 GHz turbo
Graphics:Intel Iris Xe Graphics (integrated; shared memory)
AI Engine:No (Not supported)
Cooling:TwinAir Cooling (dual copper thermal pipes, dual fans, air inlet keyboard)
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Comparison: Dell Inspiron 15 3520 — Intel Core i5-1235U vs Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U)

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 Slim Laptop (A515-58M-7570, i7-1355U)

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

4.3(107)Amazon
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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Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U)

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

Rating:4.3(107)Amazon
Processor:Intel Core i7-1355U (10-core: 2P + 8E), 1.70 GHz base, up to 5.0 GHz turbo
Graphics:Intel Iris Xe Graphics (integrated; shared memory)
AI Engine:No (Not supported)
Cooling:TwinAir Cooling (dual copper thermal pipes, dual fans, air inlet keyboard)
RAM:16 GB LPDDR5 (Onboard)
RAM Upgrade:No (Soldered)
Storage:512 GB PCIe Gen4 NVMe SSD
Storage Upgrade:Yes (1x M.2 2280 PCIe Gen4 slot)
Display Size:15.6"
Resolution:1920 x 1080 (FHD)
Aspect Ratio:16:9
Screen Type:IPS (LCD; LED-backlit; ComfyView; Anti-glare)
Refresh Rate:60 Hz
Brightness:250 nits (Typical)
Color Gamut:45% NTSC (Typical)
Keyboard Layout:US Standard (QWERTY)
Keyboard Backlight:Yes
Biometrics:Fingerprint reader (Touchpad integrated)
Webcam:1080p FHD webcam with Temporal Noise Reduction (TNR)
USB Ports:1x USB-C (Thunderbolt 4 / USB4 / Power Delivery / DisplayPort); 2x USB-A 3.2 Gen 1 (one with power-off charging)
Video Ports:1x HDMI 2.1
Audio Ports:1x 3.5mm Combo Audio Jack
Connectivity:Wi-Fi 6E (802.11ax); Bluetooth 5.1
Battery:3-cell Li-Ion (50 Wh)
Charger:65 W AC adapter (Barrel pin)
Weight:1.78 kg (3.92 lbs)
Build Material:Aluminum top cover; Plastic chassis (Steel Gray)
Operating System:Windows 11 Home

✓ Pros:

  • Thunderbolt 4 support (rare in this price bracket)
  • 1080p webcam with noise reduction
  • Decent port selection including HDMI 2.1
  • TwinAir cooling system improves thermal management over previous generations

✗ Cons:

  • RAM is soldered and cannot be upgraded
  • Display has limited color gamut (45% NTSC) and average brightness
  • No SD card slot

As an Amazon Associate I earn from qualifying purchases.

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Which one is better?

Looking at user satisfaction (Dell Inspiron 15 3520 — Intel Core i5-1235U: 4.5★ vs Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U): 4.3★), Dell Inspiron 15 3520 — Intel Core i5-1235U pulls ahead. The gap is small—choose based on the priorities below.

Who should buy each?

Choose Dell Inspiron 15 3520 — Intel Core i5-1235U if:
- You want 120Hz refresh rate provides smoother scrolling than typical 60Hz budget laptops, Memory (RAM) is not soldered and can be upgraded via two SODIMM slots
- Rating: 4.5★ (2701 reviews)

Choose Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) if:
- You prefer Thunderbolt 4 support (rare in this price bracket), 1080p webcam with noise reduction
- Rating: 4.3★ (107 reviews)

Conclusion

Dell Inspiron 15 3520 — Intel Core i5-1235U and Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) are both solid choices. Match the strengths above to your budget and workflow to make the best call.

Frequently Asked Questions

+Which has better value?

Dell Inspiron 15 3520 — Intel Core i5-1235U excels if you value 120hz refresh rate provides smoother scrolling than typical 60hz budget laptops. Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) is better if you prioritize thunderbolt 4 support (rare in this price bracket). 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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