Lenovo IdeaPad Flex 5 14” (AMD) vs Acer Aspire 5 (A515-56)

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Evaluation of Lenovo IdeaPad Flex 5 14” (AMD) and Acer Aspire 5 (A515-56) important characteristics
System and application performance
Performance in popular 3D games
Viewing angle, color accuracy, brightness
Battery Life
Potential battery life in light and average use
Ports, webcam and other interfaces
Design, materials, durability and usability
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Key Differences

What are the key differences between the notebooks
Advantages of the Lenovo IdeaPad Flex 5 14” (AMD)
  • Slightly easier to carry: weighs 150 grams less (around 0.33 lbs)
  • Features a a little bigger (~9%) battery – 52.5 against 48 watt-hours
  • Display has support for touch input
  • 57% sharper screen – 157 versus 100 pixels per inch (PPI)
  • Much smaller footprint: 19% more compact case (108.3 vs 134.4 square inches)
Advantages of the Acer Aspire 5 (A515-56)
  • Can run popular games at about 85-116% higher FPS
  • Includes an old-school USB-A port
  • User-upgradable RAM (up to 16GB)
  • Provides 36% higher max. screen brightness: 300 vs 220 nits

Value for money

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Tests and Specifications

Comparison table of test results and technical specs


Weight 1.5 kg (3.31 lbs) 1.65 kg (3.64 lbs)
Dimensions 321.5 x 217.5 x 17.9-20.8 mm
12.66 x 8.56 x 0.7-0.82 inches
363.4 x 238.5 x 17.9 mm
14.31 x 9.39 x 0.7 inches
Area 699 cm2 (108.4 inches2) 867 cm2 (134.4 inches2)
Screen-to-body ratio ~77.2% ~77.4%
Side bezels 5.8 mm 9 mm
Colors Gray, Blue, Green Black, Silver, Gold, Blue, Pink
Material Plastic Top: Aluminum
Middle: Plastic
Bottom: Plastic
Transformer Yes No
Opening angle 360° 140°
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No No
Liquid metal No -
Number of fans 1 1
Noise level (max. load) 43.6 dB 39 dB


Size 14 inches 15.6 inches
Refresh rate 60 Hz 60 Hz
PPI 157 ppi 100 ppi
Aspect ratio 16:9 16:9
Resolution 1920 x 1080 pixels 1366 x 768 pixels
HDR support No No
Sync technology No No
Touchscreen Yes No
Coating Glossy Matte
Ambient light sensor Yes No
Screen space comparison
Aspire 5 (A515-56)
15.6″ (16:9 ratio) = 104 in2
IdeaPad Flex 5 14” (AMD)
14″ (16:9 ratio) = 83.8 in2
~24% more screen space
Max. brightness


Full charging time 1:30 hr 2:00 hr
Battery type Li-Po Li-Ion
Replaceable No No
Fast charging Yes Yes
USB Power Delivery Yes No
Charging port position Left Left
Charge power 65 W 45 W
Weight of AC adapter 348 grams 260 grams


CPU name
Base frequency 2.0 GHz 2.0 GHz
Turbo frequency 4.1 GHz 3.5 GHz
Cores 8 2
Threads 8 4
L3 Cache 8 MB 4 MB
Integrated GPU Radeon Vega 7 Intel UHD Graphics Xe G4 48 EUs
Fabrication process 7 nm 10 nm


Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

Graphics Card

GPU name
TGP 10-45 W -
Type Integrated Dedicated
Fabrication process 7 nm 12 nm
GPU base clock 300 MHz -
GPU boost clock 1600 MHz -
Memory size System Shared 2 GB
Memory type DDR4 GDDR6
Memory bus - 64 bit
Memory speed 3.2 Gbps ~8-10 Gbps
Shading units (cores) 448 896
Texture mapping units (TMUs) 28 56
Raster operations pipelines (ROPs) 7 32
GPU performance
2.822 TFLOPS


RAM size
Channels 2x4 GB 2x4 GB
Clock 3200 MHz 3200 MHz
Type DDR4 DDR4
Upgradable No Yes
Total slots - 1
Max. ram size - 16 GB


Storage size
Bus PCI-E Gen 3.0 (4x) PCI-E Gen 3.0 (4x)
Storage type SSD (M2) SSD (M2)
Channels 1x128 GB 1x128 GB
Upgradable Yes Yes
Total slots 1 1
NVMe Yes Yes


Audio chip - Intel Tiger Lake-U/Y PCH-LP
Speakers 2.0 2.0
Power 2x2W -
Dolby Atmos Yes No
Loudness ~69.3 dB ~68.7 dB
Microphones 2 2


Wi-Fi standard v6 v6
Bluetooth v5 v5
Fingerprint Yes No
Infrared sensor No No
Optical drive No No
Webcam Above the display Above the display
Webcam resolution 1280 x 720 1280 x 720
USB-A 2x USB 3.2 3x USB 3.2
USB Type-C 1x USB 3.2 1x USB 3.2
Thunderbolt No No
HDMI 1x HDMI 1.4 1x HDMI 1.4
DisplayPort No No
Audio jack (3.5 mm) Yes Yes
Ethernet (RJ45) No Yes
SD card reader Yes No
Proprietary charging port Yes Yes


Keyboard type Island Island
Numpad No No
Backlight Yes Yes
Key travel 0.9 mm -
Size 10.4 x 6.9 cm 10.6 x 7.8 cm
Surface Plastic Plastic
Windows Precision Yes Yes
*Disclaimer! Ports, speakers, display, and other specifications can vary depending on the laptop's specific configuration or region.

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