Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) vs Lenovo IdeaPad Flex 5 14" 2-in-1
The Lenovo IdeaPad Flex 5 14" 2-in-1 brings versatility with its 360-degree hinge and touchscreen functionality, making it ideal for creative tasks. In real-world use, the Acer's 15.6" display offers a solid visual experience, but its average brightness of 250 nits can be limiting. The Lenovo, with a slightly smaller 14" screen at 300 nits, provides better brightness, making it more suitable for use in brightly lit environments. You get more vertical screen real estate with the WUXGA resolution, enhancing productivity for tasks like coding or document editing.
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Acer Aspire 5 15 Slim Laptop (A515-58M-7570, 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.
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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 Slim Laptop (A515-58M-7570, i7-1355U) vs Lenovo IdeaPad Flex 5 14" 2-in-1
Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U)
Lenovo IdeaPad Flex 5 14" 2-in-1
| Criterion | Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) | Lenovo IdeaPad Flex 5 14" 2-in-1 |
|---|---|---|
| Rating | ★4.3(107)Amazon | ★4.2(21)Amazon |
Processor | Intel Core i7-1355U (10-core: 2P + 8E), 1.70 GHz base, up to 5.0 GHz turbo | AMD Ryzen 7 7730U (Barcelo-R, 8 cores, up to 4.5 GHz) |
Graphics | Intel Iris Xe Graphics (integrated; shared memory) | AMD Radeon Graphics (Integrated) |
AI Engine | No (Not supported) | No (Not supported) |
Cooling | TwinAir Cooling (dual copper thermal pipes, dual fans, air inlet keyboard) | Air (Single fan) |
RAM | 16 GB LPDDR5 (Onboard) | 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 2280 PCIe Gen4 slot) | 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 (LCD; LED-backlit; ComfyView; Anti-glare) | IPS (Glossy; Touchscreen) |
Refresh Rate | 60 Hz | 60 Hz |
Brightness | 250 nits (Typical) | 300 nits |
Color Gamut | 45% NTSC (Typical) | 45% NTSC (approx. 60% sRGB) |
Keyboard Layout | US Standard (QWERTY) | US English (ANSI) without NumPad |
Keyboard Backlight | Yes | Yes |
Biometrics | Fingerprint reader (Touchpad integrated) | Fingerprint reader (Palm rest) |
Webcam | 1080p FHD webcam with Temporal Noise Reduction (TNR) | 1080p FHD camera with Privacy Shutter |
USB Ports | 1x USB-C (Thunderbolt 4 / USB4 / Power Delivery / DisplayPort); 2x USB-A 3.2 Gen 1 (one with power-off charging) | 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 | 1x HDMI 1.4b (Supports up to 4K@30Hz) |
Audio Ports | 1x 3.5mm Combo Audio 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 | 3-cell Li-Ion (50 Wh) | 52.5 Wh (Polymer) |
Charger | 65 W AC adapter (Barrel pin) | 65 W Round Tip (Barrel connector) adapter |
Weight | 1.78 kg (3.92 lbs) | 1,550 g (3.42 lbs) |
Build Material | Aluminum top cover; Plastic chassis (Steel Gray) | PC-ABS + 40% GF (Plastic chassis) |
Operating System | Windows 11 Home | Windows 11 Home |
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Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U)
✓ 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
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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
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Which one is better?
The Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) is the better buy for most people - its Intel i7 CPU crushes the Ryzen 7 in multi-core performance. That said, grab the Lenovo IdeaPad Flex 5 14" 2-in-1 if you want a lighter, more versatile device for creative work - it's lighter.
Who should buy each?
Choose the Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) if: you need superior processing power for gaming, plan to multitask extensively, or value Thunderbolt 4 connectivity for fast data transfer.
Choose the Lenovo IdeaPad Flex 5 14" 2-in-1 if: you want a flexible design for presentations, prefer a touchscreen for casual use, or need a laptop that's easier to carry around. (14" display, 54.67 oz weight)
Conclusion
Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) and Lenovo IdeaPad Flex 5 14" 2-in-1 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?
Acer Aspire 5 15 Slim Laptop (A515-58M-7570, i7-1355U) excels if you value thunderbolt 4 support (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.
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