Lenovo IdeaPad Flex 5 (15”) vs HP Spectre x360 13 (2021)

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Display 1920 x 1080
CPU
RAM
Storage

Review

Evaluation of Lenovo IdeaPad Flex 5 (15”) and HP Spectre x360 13 (2021) 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
Case
Design, materials, durability and usability

Key Differences

What are the key differences between the notebooks
Advantages of the Lenovo IdeaPad Flex 5 (15”)
  • Includes an old-school USB-A port
  • Can run popular games at about 55-75% higher FPS
  • User-upgradable RAM (up to 16GB)
Advantages of the HP Spectre x360 13 (2021)
  • Significantly easier to carry: weighs 500 grams less (around 1.1 lbs)
  • Higher number of cutting-edge USB Type-C ports: 2 versus 1
  • Around 2x better multi-core CPU performance in the Cinebench R23 test
  • Thinner bezels and 3% higher screen-to-body ratio
  • Features a bigger (~14%) battery – 60 against 52.5 watt-hours
  • Provides 60% higher max. screen brightness: 400 vs 250 nits
  • Much smaller footprint: 30% more compact case (92.8 vs 131.9 square inches)
  • 18% sharper screen – 166 versus 141 pixels per inch (PPI)
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Tests and Specifications

Comparison table of test results and technical specs

Case

Weight 1.8 kg (3.97 lbs) 1.3 kg (2.87 lbs)
Dimensions 357.6 x 237.9 x 17.9-20.3 mm
14.08 x 9.37 x 0.7-0.8 inches
307 x 195 x 17 mm
12.09 x 7.68 x 0.67 inches
Area 851 cm2 (131.9 inches2) 599 cm2 (92.9 inches2)
Screen-to-body ratio ~78.9% ~81.4%
Side bezels 6.1 mm 6.3 mm
Colors Gray Black, Silver, Blue
Transformer Yes Yes
Opening angle 360° 360°
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No No
Number of fans - 2
Noise level - 44.7 dB

Display

Size 15.6 inches 13.3 inches
Type IPS LCD IPS LCD
Refresh rate 60 Hz 60 Hz
PPI 141 ppi 166 ppi
Aspect ratio 16:9 16:9
Resolution 1920 x 1080 pixels 1920 x 1080 pixels
HDR support No No
Touchscreen Yes Yes
Coating Glossy Glossy (Antireflective)
Display tests
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
USB Power Delivery Yes Yes
Charging port position Left Right
Charge power 65 W 65 W
Weigh of AC adapter - 267 gramm

CPU

CPU name
Base frequency 1.2 GHz 0.9-2.4 GHz
Turbo frequency 3.4 GHz 4.2 GHz
Cores 2 4
Threads 4 8
L3 Cache 4 MB 8 MB
Integrated GPU Intel UHD Graphics G1 Iris Xe Graphics G7 80EU
Fabrication process 10 nm 10 nm

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

Graphics Card

GPU name
TGP - 15 W
Type Dedicated Integrated
Fabrication process 12 nm 10 nm
GPU base clock 720-1395 MHz 300 MHz
GPU boost clock 930-1575 MHz 1100 MHz
FLOPS 2.822 TFLOPS 1.41 TFLOPS
Memory size 2 GB System Shared
Memory type GDDR6 DDR4
Memory bus 64 bit -
Memory speed ~8-10 Gbps 3.2 Gbps
Shading units 896 640
DirectX support 12 12
GPU performance
2.822 TFLOPS

RAM

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

Storage

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

Sound

Speakers 2.0 2.0
Power 2x2W -
Dolby Atmos Yes No
Loudness - 80 dB
Microphones 2 2

Connectivity

Wi-Fi standard v6 v6
Bluetooth v5 v5
Fingerprint Yes Yes
Optical drive No No
Webcam Above the display Above the display
Webcam resolution 1280 x 720 1280 x 720
Ports
USB-A 2x USB 3.2 1x USB 3.2
USB Type-C 1x USB 3.2 2x USB 3.2
Thunderbolt No Thunderbolt 4
HDMI 1x HDMI 1.4 No
DisplayPort No No
VGA No No
Audio jack (3.5 mm) Yes Yes
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 Yes
Touchpad
Size - 11.1 x 5.6 cm
Surface Plastic -
Windows Precision Yes Yes
*Disclaimer! Ports, speakers, display, and other specifications can be different depending on the laptop’s particular configuration or region.

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