Lenovo IdeaPad Flex 5 14" 2-in-1 vs ASUS TUF Gaming A15 15.6" 144Hz Gaming Laptop (FA507NU-DS74, Ryzen 7 7735HS/RTX 4050, 16GB/1TB)
Lenovo IdeaPad Flex 5 14" 2-in-1 vs ASUS TUF Gaming A15 15.6" 144Hz Gaming Laptop (FA507NU-DS74, Ryzen 7 7735HS/RTX 4050, 16GB/1TB): which is the right fit? We cover performance, value, and use cases to make the call easier.
As an Amazon Associate I earn from qualifying purchases.

Lenovo IdeaPad Flex 5 14" 2-in-1

ASUS TUF Gaming A15 15.6" 144Hz Gaming Laptop (FA507NU-DS74, Ryzen 7 7735HS/RTX 4050, 16GB/1TB)
Comparison: Lenovo IdeaPad Flex 5 14" 2-in-1 vs ASUS TUF Gaming A15 15.6" 144Hz Gaming Laptop (FA507NU-DS74, Ryzen 7 7735HS/RTX 4050, 16GB/1TB)

Lenovo IdeaPad Flex 5 14" 2-in-1

ASUS TUF Gaming A15 15.6" 144Hz Gaming Laptop (FA507NU-DS74, Ryzen 7 7735HS/RTX 4050, 16GB/1TB)
| Criterion | Lenovo IdeaPad Flex 5 14" 2-in-1 | ASUS TUF Gaming A15 15.6" 144Hz Gaming Laptop (FA507NU-DS74, Ryzen 7 7735HS/RTX 4050, 16GB/1TB) |
|---|---|---|
| Rating | ★4.2(21)Amazon | ★4.3(66)Amazon |
Processor | AMD Ryzen 7 7730U (Barcelo-R, 8 cores, up to 4.5 GHz) | AMD Ryzen 7 7735HS (Zen 3+, 8 cores, up to 4.75 GHz) |
Graphics | AMD Radeon Graphics (Integrated) | NVIDIA GeForce RTX 4050 Laptop GPU (6GB GDDR6, 140W TGP max) |
AI Engine | No (Not supported) | No (Not supported on Ryzen 7 7735HS) |
Cooling | Air (Single fan) | Dual Arc Flow Fans (84-blade) with 4 exhaust vents |
RAM | 16 GB LPDDR4x-4266 | 16 GB DDR5-4800 (2x 8GB SO-DIMM) |
RAM Upgrade | No (Soldered) | Yes (2x DDR5 SO-DIMM slots, up to 32 GB) |
Storage | 512 GB PCIe NVMe M.2 2242 SSD | 1 TB PCIe 4.0 NVMe SSD |
Storage Upgrade | Yes (1x M.2 2242 slot; supports up to 1TB) | Yes (2x M.2 PCIe Gen 4 slots) |
Display Size | 14" | 15.6" |
Resolution | 1920 x 1200 (WUXGA) | 1920 x 1080 (FHD) |
Aspect Ratio | 16:10 | 16:9 |
Screen Type | IPS (Glossy; Touchscreen) | IPS-level (Anti-glare) |
Refresh Rate | 60 Hz | 144 Hz (G-SYNC supported) |
Brightness | 300 nits | 250 nits (Typical) |
Color Gamut | 45% NTSC (approx. 60% sRGB) | 100% sRGB |
Keyboard Layout | US English (ANSI) without NumPad | US English (ANSI) with NumPad |
Keyboard Backlight | Yes | Yes (1-zone RGB Mini-LED) |
Biometrics | Fingerprint reader (Palm rest) | No (Not supported) |
Webcam | 1080p FHD camera with Privacy Shutter | 720p HD camera |
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 | 1x USB 4 Type-C (DisplayPort); 1x USB 3.2 Gen 2 Type-C (DisplayPort/PD/G-SYNC); 2x USB 3.2 Gen 1 Type-A |
Video Ports | 1x HDMI 1.4b (Supports up to 4K@30Hz) | 1x HDMI 2.1 FRL |
Audio Ports | 1x 3.5mm Headphone/Mic combo jack | 1x 3.5mm Combo Audio Jack |
Connectivity | Wi-Fi 6 (802.11ax 2x2); Bluetooth 5.1 | Wi-Fi 6 (802.11ax 2x2); Bluetooth 5.3; Gigabit Ethernet (RJ45) |
Battery | 52.5 Wh (Polymer) | 90 Wh (4-cell Li-ion) |
Charger | 65 W Round Tip (Barrel connector) adapter | 240 W AC adapter |
Weight | 1,550 g (3.42 lbs) | 2,200 g (4.85 lbs) |
Build Material | PC-ABS + 40% GF (Plastic chassis) | Plastic chassis with Aluminum lid (Mecha Gray) |
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→ |

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.

ASUS TUF Gaming A15 15.6" 144Hz Gaming Laptop (FA507NU-DS74, Ryzen 7 7735HS/RTX 4050, 16GB/1TB)
✓ Pros:
- • Large 90Wh battery provides excellent endurance for a gaming laptop
- • GPU runs at full 140W TGP for maximum RTX 4050 performance
- • Comprehensive connectivity including USB 4 and HDMI 2.1
- • 100% sRGB color coverage (significant upgrade over older TUF 144Hz panels)
- • Military-grade durability (MIL-STD-810H) with robust cooling
✗ Cons:
- • Screen brightness is limited to 250 nits, making outdoor use difficult
- • Fans can become quite loud under turbo loads
- • No biometric security (fingerprint or face unlock)
- • 720p webcam is average quality
As an Amazon Associate I earn from qualifying purchases.
Which one is better?
ASUS TUF Gaming A15 15.6" 144Hz Gaming Laptop (FA507NU-DS74, Ryzen 7 7735HS/RTX 4050, 16GB/1TB) is stronger in specific features, but Lenovo IdeaPad Flex 5 14" 2-in-1 could still be the better pick if you value its unique advantages.
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
ASUS TUF Gaming A15 15.6" 144Hz Gaming Laptop (FA507NU-DS74, Ryzen 7 7735HS/RTX 4050, 16GB/1TB) excels at: Large 90Wh battery provides excellent endurance for a gaming laptop, GPU runs at full 140W TGP for maximum RTX 4050 performance
Watch for: Screen brightness is limited to 250 nits, making outdoor use difficult
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?
Lenovo IdeaPad Flex 5 14" 2-in-1 excels if you value versatile 360-degree hinge allows for laptop, tent, stand, and tablet modes. ASUS TUF Gaming A15 15.6" 144Hz Gaming Laptop (FA507NU-DS74, Ryzen 7 7735HS/RTX 4050, 16GB/1TB) is better if you prioritize large 90wh battery provides excellent endurance for a gaming laptop. 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.
