Lenovo IdeaPad Flex 5 (15”) vs 5i 15” (Intel)

Please select specific configurations for the laptops to get a more accurate comparative review
Display
Battery 52.5 Wh
CPU
RAM
Storage

Review

Evaluation of Lenovo IdeaPad Flex 5 (15”) and 5i 15” (Intel) important characteristics
Performance
System and application performance
Gaming
Performance in popular 3D games
Display
Viewing angle, color accuracy, brightness
Battery Life
Potential battery life in light and average use
Connectivity
Ports, webcam and other interfaces
Portability
Design, materials, durability and usability
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Primary usage:

Value for money (Beta)

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Key Differences

What are the key differences between the notebooks
Advantages of the Lenovo IdeaPad Flex 5 (15”)
  • Features a bigger (~17%) battery – 52.5 against 45 watt-hours
  • Display has support for touch input
  • User-upgradable RAM (up to 16GB)
Advantages of the Lenovo IdeaPad 5i 15” (Intel)
  • Performs significantly better (up to 2.6x) in 3DMark Steel Nomad Lite
  • Around 2.1x better multi-core CPU performance in the Cinebench 2024 test
  • Higher number of cutting-edge USB Type-C ports: 2 versus 1
  • Can run popular games at about 32-44% higher FPS
  • Thinner bezels and 2% higher screen-to-body ratio
  • Better webcam recording quality
  • High-speed PCI Express Gen 4 interface
  • Provides 20% higher max. screen brightness: 300 vs 250 nits

Tests and Specifications

Comparison table of test results and technical specs

Case

Weight 1.8 kg (3.97 lbs) 1.77 kg (3.9 lbs)
Dimensions 357.6 x 237.9 x 17.9-20.3 mm
14.08 x 9.37 x 0.7-0.8 inches
356.67 x 233.13 x 17.9 mm
14.04 x 9.18 x 0.7 inches
Area 851 cm2 (131.9 inches2) 832 cm2 (128.9 inches2)
Screen-to-body ratio ~78.9% ~80.7%
Side bezels 6.1 mm 5.6 mm
Colors Gray Gray, Blue
Material Top: Aluminum
Middle: Plastic
Bottom: Plastic
Top: Aluminum
Middle: Plastic
Bottom: Plastic
Transformer Yes No
Opening angle 360° -
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No No
Liquid metal No No
Number of fans - 1

Display

Size 15.6 inches 15.6 inches
Type IPS LCD IPS LCD
Refresh rate 60 Hz 60 Hz
PPI 141 ppi 141 ppi
Aspect ratio 16:9 16:9
Resolution 1920 x 1080 pixels 1920 x 1080 pixels
HDR support No No
Sync technology No No
Touchscreen Yes No
Coating Glossy Matte
Ambient light sensor No No
Display tests
Contrast - 1200:1
sRGB color space 60% -
Max. brightness

Battery

Capacity
Full charging time 2:00 hr -
Battery type Li-Po Li-Po
Replaceable No No
Fast charging Yes Yes
Charging via USB (Power Delivery) Yes Yes
Charging port position Left Left
Charge power 65 W 45 / 65 / 100 W
Weight of AC adapter 360 grams -

CPU

CPU name
Base frequency 1.2 GHz 1.2 GHz
Turbo frequency 3.4 GHz 4.4 GHz
Cores 2 6 (2P + 4E)
Threads 4 8
L3 Cache 4 MB 10 MB
Integrated GPU Intel UHD Graphics G1 Intel UHD Graphics (64EU)
Fabrication process 10 nm 10 nm

Benchmarks

Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Cinebench 2024 (Single-Core)
Cinebench 2024 (Multi-Core)

Graphics Card

GPU name
Type Dedicated Dedicated
Fabrication process 12 nm 12 nm
GPU base clock - 1065 MHz
GPU boost clock - 1320 MHz
FLOPS 1.7-2.8 TFLOPS 2.7 TFLOPS
Memory size 2 GB 2 GB
Memory type GDDR6 GDDR6
Memory bus 64 bit 64 bit
Memory speed ~10 Gbps ~12 Gbps
Shading units (cores) 896 1024
Texture mapping units (TMUs) 56 32
Raster operations pipelines (ROPs) 32 16
GPU performance 1.7-2.8 TFLOPS 2.7 TFLOPS

GPU Benchmarks

Steel Nomad Lite Score
Blender GPU 140 237
Expected FPS based on average performance across 9 popular games. Details

RAM

RAM size
Channels 1x4 GB 1x8 GB
Clock 3200 MHz 3200 MHz
Type DDR4 DDR4
Upgradable Yes No
Total slots 2 -
Max. ram size 16 GB -

Storage

Storage size
Bus PCI-E Gen 3.0 (4x) PCI-E Gen 4.0 (4x)
Storage type SSD (M2) SSD (M2)
Channels 1x128 GB 1x256 GB
Upgradable Yes Yes
Total slots 1 1
NVMe Yes Yes

Sound

Audio chip - Realtek ALC3287
Speakers 2.0 2.0
Power 2x2W 2x2W
Dolby Atmos Yes Yes
Microphones 2 2

Connectivity

Wi-Fi standard v6 v6
Bluetooth v5 v5.2
Fingerprint Yes Optional
Infrared sensor No No
Optical drive No No
Webcam Above the display Above the display
Webcam resolution 1280 x 720 1920 x 1080
Ports
USB-A 2x USB 3.2 2x USB 3.2
USB Type-C 1x USB 3.2 2x USB 3.2
Thunderbolt No No
HDMI 1x HDMI 1.4 1x HDMI 1.4
DisplayPort No No
VGA No Yes
Audio jack (3.5 mm) Yes No
Ethernet (RJ45) No No
SD card reader Yes Yes
Proprietary charging port Yes No

Input

Keyboard
Keyboard type Island Island
Numpad No No
Backlight Yes Optional
Touchpad
Size - 10.4 x 6.9 cm
Surface Plastic Plastic
Windows Precision Yes Yes
Further details
Notes on IdeaPad 5i 15” (Intel):
    - Models with an Intel i3 processor feature single-channel memory, while the i5 and i7 versions have dual-channel memory.
*Disclaimer! Ports, speakers, display, and other specifications can vary depending on the laptop's specific configuration or region.

Cast your vote

So, which laptop would you choose?
5 (45.5%)
6 (54.5%)
Total votes: 11

Comments

Write your opinion about the comparison of Lenovo IdeaPad 5i 15” (Intel) and Flex 5 (15”) or ask any questions
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Luse Saghatelyan June 7, 2022 at 11:43 AM
Lenovo Ideapad 5 15 body is very fragile and it breaks very easily, even with very careful usage, while Flex 5 body is more firm and stable, thus more reliable.
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