We subjected the Nubia RedMagic 8 Pro to our rigorous SBMARK Battery test suite to measure its performance in terms of range, charging and efficiency. In these test results, we’ll analyze how it performed in a variety of tests and several common use cases.
Overview
Key Specifications:
- Battery Capacity: 6000mAh
- 65W charger (included)
- 6.8 inch OLED display, 1116 x 2480, 120Hz
- Qualcomm Snapdragon 8 Gen2 (4nm)
- ROM / RAM combination tested: 256GB + 12GB
Pros
- Excellent battery life during video streaming and when idle with the screen on
- Excellent autonomy recovered after a quick charge of 5 minutes with 7 hours and 12 minutes
- Very good autonomy when using navigation (GPS)
- Fast wired charging at 46 minutes 50 seconds for a fully charged battery
Against
- More than 3.5% of energy lost per night
- High residual power consumption of the charger when the smartphone was disconnected
- High discharge current during idle phase with screen off
The excellent overall battery score of the Nubia RedMagic 8 Pro places the device in the top 10 in our database and in first place for its segment. The device surpassed its predecessor, the Nubia RedMagic 7 Pro, with better runtimes and efficiency, mainly thanks to a larger battery.
The battery life of the Nubia RedMagic 8 Pro lasted 2.5 days in our tests when used moderately. It performed particularly well when idle with the screen on, which provided excellent battery life in most test cases, especially when playing games or streaming video. On the go was also very good when using the camera or browsing, two use cases that usually require a lot of power.
Equipped with a 65W charger, the charging experience of the device was excellent. Recharging the battery from empty to full took less than 47 minutes, and a 5-minute quick charge provided more than 7 hours of battery life. The 65W charger’s use of a new charging protocol that slows down the time it takes to fully recharge the 6000mAH battery should help preserve the battery life and performance of the device.
Adapter efficiency was the best we’ve ever measured, and overall charging efficiency was also outstanding. However, the charger’s residual power consumption was a bit high and above the average in our database. Finally, the discharge currents were low when streaming video or idling with the screen on, meaning that the device was optimized for these test cases. Conversely, the discharge currents were a bit high when the phone was idle with the screen off, which is the main state of the devices most of the day.
Compared to devices in the Premium segment ($600-$799), the Nubia RedMagic 8 Pro took first place in our database, achieving the best battery life score for this segment. The charging experience was also excellent, but the efficiency score was only average compared to the device in the same price range.
Trial summary
Learn about SBMARK battery tests: For scoring and analysis in our smartphone battery reviews, SBMARK engineers conduct a series of objective tests over a one-week period both indoors and outdoors. (See our introduction and how we test articles for more details on our smartphone’s battery protocol.)
The following section compiles the key elements of our extensive testing and analysis performed in the SBMARK laboratories. Detailed performance evaluations in the form of reports are available upon request. Do not hesitate to contact us.
| Drums | Battery charger | wireless | Screen | Processor | |
|---|---|---|---|---|---|
| 0mAh | 0W (not included) |
– | x | ||
| Nubia RedMagic 7 Pro | 5000mAh | 65W (not included) |
– | AMOLED 1080×2400 |
Qualcomm Snapdragon 8 Gen 1 |
| Xiaomi 13 | 4500mAh | 67W (included) |
50W | AMOLED 1080×2400 |
Qualcomm Snapdragon 8 Gen 2 |
| Samsung Galaxy S23 | 3900mAh | 25W (not included) |
15W | AMOLED 1080 x 2340 |
Qualcomm Snapdragon 8 Gen 2 |
| Asus ROG Phone 6 | 6000mAh | 65W (not included) |
– | AMOLED 1080×2448 |
Qualcomm Snapdragon 8+ Gen 1 |
How the Autonomy score is composed
The Battery Life Score is composed of three performance sub-scores: Home/Office, On the Go, and Calibrated Use Cases. Each subscore includes results from a full range of tests to measure range in all kinds of real-life scenarios.
83 hours
Light use
Active: 2h30/day
60 hours
Moderate use
Active: 4h/day
39 hours
Intensive use
Active: 7h/day
Home office
A robot housed in a Faraday cage performs a series of touch-based user actions during what we call our “typical usage scenario” (TUS) — making calls, streaming video, etc. — 4 hours of active use over the course of a 16 hour period, plus 8 hours of “sleep”. The robot repeats this series of actions every day until the device runs out.
In movement
150
Samsung Galaxy M51
Samsung Galaxy M51
Using a smartphone on the go has a negative impact on range due to additional “hidden” demands, such as continuous signaling associated with cellular network selection. SBMARK Battery experts take the phone outdoors and perform a series of precisely defined activities following the same three-hour travel itinerary (walking, taking the bus, the subway…) for each device
Calibrated
141
Samsung Galaxy M51
Samsung Galaxy M51
For this series of tests, the smartphone returns to the Faraday cage and to ours bots repeatedly perform actions related to a specific use case (like gaming, video streaming, etc.) at a time. Starting with an 80% charge, all devices are tested until they have used at least 5% battery power.
Reload
145
Realme GTNeo 3
Realme GTNeo 3
How the recharge score is composed
Charging is fully part of the overall battery experience. In some situations where range is at its lowest, knowing how fast you can charge becomes a concern. The SBMARK Battery Charging Score consists of two subscores, (1) Full Charge and (2) Fast Boost.
Charge complete
136
Black Shark 5Pro
Black Shark 5Pro
The full charge tests evaluate the reliability of the battery charge indicator; measure how long and how much energy it takes for the battery to charge from zero to 80% capacity, from 80 to 100% as shown by the user interface, and to an actual full charge.
The charging curves, in wired and wireless mode (if available) showing the evolution of the battery level indicator as well as the energy consumption in watts during the charging phases towards full capacity.
The time to full charge graph breaks down the time required to reach 80%, 100% and full charge.
Quick push
155
Realme GTNeo 3
Realme GTNeo 3
With the phone at different charge levels (20%, 40%, 60%, 80%), the Quick Boost tests measure how much charge the battery receives after being plugged in for 5 minutes. The graph here compares the average range gain with a 5-minute quick charge.
Efficiency
114
Oppo Reno6 5G
Oppo Reno6 5G
How the efficiency score is composed
The SBMARK Energy Efficiency Score consists of two subscores, charge rate and discharge rate, which combine both data obtained during a typical robot-based usage scenario, calibrated testing and charge rating, taking into consideration battery capacity of the device. SBMARK calculates the product’s annual energy consumption, shown in the graph below, which is representative of overall efficiency during a charge and when in use.
Charge Up
174
Nubia RedMagic 7 Pro
Nubia RedMagic 7 Pro
The secondary charge score is a combination of four factors: the overall efficiency of a full charge, relating to the amount of energy required to recharge the battery compared to the energy the battery can supply; the efficiency of the travel adapter when it comes to transferring power from an outlet to your phone; the remaining consumption when the phone is fully charged and still connected to the charger; and the residual consumption of the charger itself, when the smartphone is disconnected from it. The graph below shows the overall efficiency of a full charge in %.
Discharge
ninety two
Apple iPhone 14 Pro
Apple iPhone 14 Pro
The sub-discharge score evaluates how quickly a battery discharges during a test, which is independent of battery capacity. It is the ratio between the capacity of a battery and its autonomy. A small capacity battery may have the same run time as a large capacity battery, indicating that the device is well optimized, with a low discharge rate.
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