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

Lenovo IdeaPad Flex 5 14" 2-in-1 vs Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U)

Choosing between Lenovo IdeaPad Flex 5 14" 2-in-1 and Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) can be tricky. Both are excellent, but they serve different priorities. This guide highlights what matters for US shoppers.

Ratings: 4.2★ vs 4.3★

As an Amazon Associate I earn from qualifying purchases.

Lenovo IdeaPad Flex 5 14" 2-in-1
Processor:AMD Ryzen 7 7730U (Barcelo-R, 8 cores, up to 4.5 GHz)
Graphics:AMD Radeon Graphics (Integrated)
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: Lenovo IdeaPad Flex 5 14" 2-in-1 vs Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U)

Lenovo IdeaPad Flex 5 14" 2-in-1

Lenovo IdeaPad Flex 5 14" 2-in-1

4.2(21)Amazon
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
Lenovo IdeaPad Flex 5 14" 2-in-1

Lenovo IdeaPad Flex 5 14" 2-in-1

Rating:4.2(21)Amazon
Processor:AMD Ryzen 7 7730U (Barcelo-R, 8 cores, up to 4.5 GHz)
Graphics:AMD Radeon Graphics (Integrated)
AI Engine:No (Not supported)
Cooling:Air (Single fan)
RAM:16 GB LPDDR4x-4266
RAM Upgrade:No (Soldered)
Storage:512 GB PCIe NVMe M.2 2242 SSD
Storage Upgrade:Yes (1x M.2 2242 slot; supports up to 1TB)
Display Size:14"
Resolution:1920 x 1200 (WUXGA)
Aspect Ratio:16:10
Screen Type:IPS (Glossy; Touchscreen)
Refresh Rate:60 Hz
Brightness:300 nits
Color Gamut:45% NTSC (approx. 60% sRGB)
Keyboard Layout:US English (ANSI) without NumPad
Keyboard Backlight:Yes
Biometrics:Fingerprint reader (Palm rest)
Webcam:1080p FHD camera with Privacy Shutter
USB Ports:1x USB-C 3.2 Gen 2 (Power Delivery 3.0 / DisplayPort 1.4); 2x USB-A 3.2 Gen 1 (One Always On); 1x SD card reader
Video Ports:1x HDMI 1.4b (Supports up to 4K@30Hz)
Audio Ports:1x 3.5mm Headphone/Mic combo jack
Connectivity:Wi-Fi 6 (802.11ax 2x2); Bluetooth 5.1
Battery:52.5 Wh (Polymer)
Charger:65 W Round Tip (Barrel connector) adapter
Weight:1,550 g (3.42 lbs)
Build Material:PC-ABS + 40% GF (Plastic chassis)
Operating System:Windows 11 Home

✓ Pros:

  • Versatile 360-degree hinge allows for laptop, tent, stand, and tablet modes
  • Modern 16:10 WUXGA (1920x1200) resolution provides more vertical screen real estate
  • Includes USB-C with Power Delivery and DisplayPort 1.4 support
  • Physical privacy shutter on the 1080p webcam
  • Fingerprint reader included for secure login

✗ Cons:

  • Display color gamut is limited to 45% NTSC, resulting in less vibrant colors
  • HDMI 1.4b port is limited to 4K output at only 30Hz
  • RAM is soldered and cannot be upgraded
  • M.2 slot is limited to the physically shorter 2242 form factor

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 (Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U): 4.2★ vs Lenovo IdeaPad Flex 5 14" 2-in-1: 4.3★), Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) pulls ahead. The gap is small—choose based on the priorities below.

Who should buy each?

Lenovo IdeaPad Flex 5 14" 2-in-1 excels at: Versatile 360-degree hinge allows for laptop, tent, stand, and tablet modes, Modern 16:10 WUXGA (1920x1200) resolution provides more vertical screen real estate
Watch for: Display color gamut is limited to 45% NTSC, resulting in less vibrant colors

Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) excels at: Thunderbolt 4 support (rare in this price bracket), 1080p webcam with noise reduction
Watch for: RAM is soldered and cannot be upgraded

Conclusion

There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.

Frequently Asked Questions

+Which has better value?

Lenovo IdeaPad Flex 5 14" 2-in-1 excels if you value versatile 360-degree hinge allows for laptop, tent, stand, and tablet modes. 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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