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Smartphone Battery Efficiency Ratings
Top Ten Best Smartphones

Best Ten Smartphones for
Battery Efficiency 2021 - 2023

Smartphone power efficiency refers to the ability of a smartphone to maximise its performance while minimising power consumption. It is a crucial aspect for smartphone users as it directly impacts battery life and overall device usage.

All smartphone chipsets are designed to deliver high performance while consuming minimal power to optimise system resources for improved efficiency. Manufacturers are continuously making minor improvements to balance smartphone performance and energy efficiency. These include the management of background processes and improved app organisation, which enhance resource allocation so power consumption can be minimised.

ViserMark introduced the first Battery Efficiency Label in the world to show the battery energy efficiency of the device. It is calculated using Battery Life and Battery Capacity. 
This is expressed in “Leaves" and reflects a rating between 1 being the least and 5 being the most power-efficient.  

See our Top Ten List of the Best Smartphones for Battery Efficiency.  

Apple iPhone 13 Pro Max
Apple iPhone 13 Pro Max

Flagship/Pro Tier

Battery Capacity:

4350mAh

Apple iPhone 13 Pro Max
Apple iPhone 13 Pro
Apple iPhone 13 Pro

Flagship/Pro Tier

Battery Capacity:

3100mAh

Apple iPhone 13 Pro
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Xiaomi Redmi Note 12 5G
Xiaomi Redmi Note 12 5G

Mid Tier

Battery Capacity:

5000mAh

Xiaomi Redmi Note 12 5G
Apple iPhone 14 Plus
Apple iPhone 14 Plus

Flagship/Pro Tier

Battery Capacity:

4323mAh

Apple iPhone 14 Plus
Realme 8 Pro
Realme 8 Pro

Mid Tier

Battery Capacity:

4500mAh

Realme 8 Pro
Realme 7i
Realme 7i

Entry Tier

Battery Capacity:

6000mAh

Realme 7i
Wiko Power U20
Wiko Power U20

Entry Tier

Battery Capacity:

6000mAh

Wiko Power U20
RugGear 750
RugGear 750

Mid Tier

Battery Capacity:

5000mAh

RugGear 750
OPPO A76
OPPO A76

Mid Tier

Battery Capacity:

5000mAh

OPPO A76
Motorola G30
Motorola G30

Entry Tier

Battery Capacity:

5000mAh

Motorola G30
People with smartphones in hands

MORE SMARTPHONE
BATTERY PERFORMANCE RESULTS

TOP TEN

SMARTPHONE

BATTERY PERFORMANCE

ViserMark Label showing Smartphone Battery Performance Score of 43/100/100

TOP TEN

SMARTPHONE

CHARGING TIMES

ViserMark Label showing a Smartphone Charging Time showing 1 hour and 3 minutes

TOP TEN

SMARTPHONE

BATTERY LIFE

ViserMark Label showing a Smartphone Battery Life of 2 Days or 45 Hours

TOP TEN

SMARTPHONE ANNUAL ENERGY CONSUMPTION

ViserMark Label showing an Annual Energy Consumption showing 3.4 kWh

The smartphone power efficiency can vary among different smartphone models and manufacturers.

The hardware components of a smartphone, such as the processor (CPU), graphics processing unit (GPU), and modem, play a significant role in power efficiency. Advanced chipsets and processors are designed to deliver high performance while consuming minimal power. Manufacturers often optimise the hardware to strike a balance between performance and energy efficiency.

Also, the operating system (OS) and software play a crucial role in power efficiency. Smartphone manufacturers invest in optimising the software to minimise power consumption by managing background processes, app management, and resource allocation. Regular software updates often include power-saving optimisations to improve efficiency.

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