Acer Aspire 5 15 Laptop Core i7-1355U) vs Lenovo IdeaPad Flex 5 14" 2-in-1
In the battle between the Acer Aspire 5 15 Laptop Core i7-1355U) and Lenovo IdeaPad Flex 5 14" 2-in-1, the Lenovo wins for versatility. It offers a unique 360-degree hinge, making it perfect for multiple modes of use and a more compact 14" display that delivers 1920x1200 resolution. Both laptops deliver 16GB RAM, but the Acer's performance shines in heavy tasks. Ultimately, your choice hinges on whether you value flexibility or raw power in real-world use.
As an Amazon Associate I earn from qualifying purchases.

Acer Aspire 5 15 Laptop Core i7-1355U)

Lenovo IdeaPad Flex 5 14" 2-in-1
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.
Expand
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 Lenovo IdeaPad Flex 5 14" 2-in-1

Acer Aspire 5 15 Laptop Core i7-1355U)

Lenovo IdeaPad Flex 5 14" 2-in-1
| Criterion | Acer Aspire 5 15 Laptop Core i7-1355U) | Lenovo IdeaPad Flex 5 14" 2-in-1 |
|---|---|---|
| Rating | ★4.3(107)Amazon | ★4.2(21)Amazon |
Processor | Intel Core i7-1355U (Raptor Lake, 10 cores, up to 5.0 GHz) | AMD Ryzen 7 7730U (Barcelo-R, 8 cores, up to 4.5 GHz) |
Graphics | Intel Iris Xe Graphics (Integrated) | AMD Radeon Graphics (Integrated) |
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) | 16 GB LPDDR4x-4266 |
RAM Upgrade | No (Soldered) | No (Soldered) |
Storage | 512 GB PCIe Gen4 NVMe SSD | 512 GB PCIe NVMe M.2 2242 SSD |
Storage Upgrade | Yes (1x M.2 slot; user replaceable) | Yes (1x M.2 2242 slot; supports up to 1TB) |
Display Size | 15.6" | 14" |
Resolution | 1920 x 1080 (FHD) | 1920 x 1200 (WUXGA) |
Aspect Ratio | 16:9 | 16:10 |
Screen Type | IPS (Anti-glare, ComfyView) | IPS (Glossy; Touchscreen) |
Refresh Rate | 60 Hz | 60 Hz |
Brightness | 250 nits (Typical) | 300 nits |
Color Gamut | 45% NTSC (approx. 60% sRGB) | 45% NTSC (approx. 60% sRGB) |
Keyboard Layout | US English (ANSI) with NumPad | US English (ANSI) without NumPad |
Keyboard Backlight | Yes | Yes |
Biometrics | Fingerprint reader (Integrated in touchpad) | Fingerprint reader (Palm rest) |
Webcam | 1080p FHD webcam with Temporal Noise Reduction | 1080p FHD camera with Privacy Shutter |
USB Ports | 1x Thunderbolt 4 (USB-C); 2x USB-A 3.2 Gen 1 | 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 2.1 (Supports 4K@60Hz via Thunderbolt 4 or HDMI) | 1x HDMI 1.4b (Supports up to 4K@30Hz) |
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) | 52.5 Wh (Polymer) |
Charger | 65 W barrel-pin adapter | 65 W Round Tip (Barrel connector) adapter |
Weight | 1,780 g (3.92 lbs) | 1,550 g (3.42 lbs) |
Build Material | Aluminum (Lid) / Plastic (Chassis) | PC-ABS + 40% GF (Plastic chassis) |
Operating System | Windows 11 Home | Windows 11 Home |
| Pros |
|
|
| Cons |
|
|
As an Amazon Associate I earn from qualifying purchases. | Check Price on Amazon→ | Check Price on Amazon→ |

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
As an Amazon Associate I earn from qualifying purchases.

Lenovo IdeaPad Flex 5 14" 2-in-1
✓ 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.
Which one is better?
The Lenovo IdeaPad Flex 5 14" 2-in-1 is the better buy for most people - its 14" WUXGA display offers more vertical space, making it ideal for multitasking. That said, grab the Acer Aspire 5 15 Laptop Core i7-1355U) if you need superior processing power for demanding applications.
Who should buy each?
Choose the Acer Aspire 5 15 Laptop Core i7-1355U) if: you need intense multitasking with a Core i7 processor, prefer a larger 15.6" screen, or rely on a 1080p webcam for video calls.
Choose the Lenovo IdeaPad Flex 5 14" 2-in-1 if: you want a versatile laptop with tablet functionality, need a more compact design for travel, or benefit from a touchscreen with a 16:10 aspect ratio.
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). Lenovo IdeaPad Flex 5 14" 2-in-1 is better if you prioritize versatile 360-degree hinge allows for laptop, tent, stand, and tablet modes. 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.
Affiliate disclosure
PageBen uses Amazon affiliate links. If you purchase through our links, we may earn a commission at no extra cost to you. This supports independent content for US shoppers.
