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Samsung Galaxy S24

Samsung Galaxy S24 (Exynos) Battery test

OTHER AVAILABLE TESTS FOR THIS DEVICE

We put the Samsung Galaxy S24 through our rigorous DXOMARK Battery test suite to measure its performance in autonomy, charging and efficiency. In these test results, we will break down how it fared in a variety of tests and several common use cases.

Overview

Key specifications:

  • Battery capacity: 4000 mAh
  • 25W charger (not included)
  • 6.2-inch, 1080 x 2340, 120 Hz, OLED display
  • Qualcomm Snapdragon 8 Gen 3 (4 nm)
  • Tested ROM / RAM combination: 128 GB + 8 GB

Scoring

Sub-scores and attributes included in the calculations of the global score.

Samsung Galaxy S24
Samsung Galaxy S24
107
battery
92

221

102

195

102

198

115
Charging
116

224

114

212

134

205

122

194

Key performances

Charging Time
2 days 1h
Battery life
Charging Time
0h49
80% Charging time
Charging Time
1h39
Full charging time
Quick Boost
3h22 autonomy
after 5-minute charge

Pros

  • Great autonomy when streaming video and gaming
  • Low discharge currents when testing with the screen on
  • Decent wireless charging time
  • Very low residual power drained by the wired charger

Cons

  • Weak autonomy when listening to music and calling
  • Poor autonomy when testing outdoor

The Samsung Galaxy S24’s global battery score was slightly lower than that of its predecessor Samsung Galaxy S23, due to a small decrease in autonomy and efficiency performance.

Equipped with a slightly bigger battery than its predecessor and the latest Snapdragon chipset, the Galaxy S24’s autonomy was below average, lasting slightly more than 2 days when used moderately, When testing specific usages, the results varied. Battery performance was also quite impressive when testing with the screen on such as streaming videos and gaming. However, the device struggled in music streaming and most of the outdoor activities.

The charging experience was mixed, but overall below average and little changed from the S23’s performance. Wired charging took longer than average at 1 hour and 39 minutes to fully replenish the battery. But wireless charging was slightly faster than average at 2 hours and 15 minutes. In any case, the autonomy recovered after a quick 5-minute boost was low at around 3 hours and 20 minutes, which was a contributing factor to its below-average charging score.

In efficiency, the Galaxy S24’s 4000 mAh battery, can be considered well-optimized in several aspects if we look at its discharge currents. The relatively low discharge currents when idling with the screen on, streaming video, and gaming gave support to the generally good autonomy. But the residual power drain of the wireless stand is very high, which drags down the efficiency performance of the device.

For a device in the Premium price range ($600 – $799), the Samsung Galaxy S24 ranked slightly below average in our database, held back by its results in autonomy and by the inconsistent charging experience.

Test Summary

About DXOMARK Battery tests: For scoring and analysis in our smartphone battery reviews, DXOMARK engineers perform a variety of objective tests over a week-long period both indoors and outdoors. (See our introductory and how we test articles for more details about our smartphone Battery protocol.)

The following section gathers key elements of our exhaustive tests and analyses performed in DXOMARK laboratories. Detailed performance evaluations under the form of reports are available upon request. Do not hesitate to contact us.

Battery Charger Wireless Display Processor
Samsung Galaxy S24 (Exynos) 4000mAh 25W
(not included)
15W Dynamic AMOLED 2X
1080 x 2340
Samsung Exynos 2400
Samsung Galaxy S23 3900mAh 25W
(not included)
15W AMOLED
1080 x 2340
Qualcomm Snapdragon 8 Gen 2
Apple iPhone 15 3367mAh 20W
(not included)
15W AMOLED Retina XDR
1179 x 2556
Apple A16 Bionic

Autonomy

97

Samsung Galaxy S24

195

Honor X7b
How Autonomy score is composed

Autonomy score is composed of three performance sub-scores: Home / Office, On the go, and Calibrated use cases. Each sub-score comprises the results of a comprehensive range of tests for measuring autonomy in all kinds of real-life scenarios.

Light Usage
68h
Light Usage
Active: 2h30/day
Moderate Usage
49h
Moderate Usage
Active: 4h/day
Intense Usage
31h
Intense Usage
Active: 7h/day

Home/Office

92

Samsung Galaxy S24

221

Honor X7b

A robot housed in a Faraday cage performs a set of touch-based user actions during what we call our “typical usage scenario” (TUS) — making calls, video streaming, etc. — 4 hours of active use over the course of a 16-hour period, plus 8 hours of “sleep.” The robot repeats this set of actions every day until the device runs out of power.

Typical Usage Scenario discharge curves

On the go

102

Samsung Galaxy S24

195

Samsung Galaxy M51

Using a smartphone on the go takes a toll on autonomy because of extra “hidden” demands, such as the continuous signaling associated with cellphone network selection, for example. DXOMARK Battery experts take the phone outdoors and perform a precisely defined set of activities while following the same three-hour travel itinerary (walking, taking the bus, the subway…) for each device

Autonomy for on the go use cases (full charge)

Calibrated

102

Samsung Galaxy S24

198

Samsung Galaxy M51

For this series of tests, the smartphone returns to the Faraday cage and our robots repeatedly perform actions linked to one specific use case (such as gaming, video streaming, etc.) at a time. Starting from an 80% charge, all devices are tested until they have expended at least 5% of their battery power.

Autonomy for calibrated use cases (full charge)

Charging

115

Samsung Galaxy S24

218

Realme GT Neo 5 (240W)
How Charging score is composed

Charging is fully part of the overall battery experience. In some situations where autonomy is at a minimum, knowing how fast you can charge becomes a concern. The DXOMARK Battery charging score is composed of two sub-scores, (1) Full charge and (2) Quick boost.

Wired
Wired
55%
in 30 min
0h49
0 - 80%
1h39
Full charge
Wireless
Wireless
33%
in 30 min
1h13
0 - 80%
2h15
Full charge

Full charge

116

Samsung Galaxy S24

224

Realme GT Neo 5 (240W)

Full charge tests assess the reliability of the battery power gauge; measure how long and how much power the battery takes to charge from zero to 80% capacity, from 80 to 100% as shown by the UI, and until an actual full charge.

Power consumption and battery level during full charge
The charging curves, in wired and wireless (if available) showing the evolution of the battery level indicator as well as the power consumption in watts during the stages of charging toward full capacity.
Power consumption and battery level during wireless full charge
The charging curves, in wired and wireless (if available) showing the evolution of the battery level indicator as well as the power consumption in watts during the stages of charging toward full capacity.
Time to full charge
Time to full charge

Quick boost

114

Samsung Galaxy S24

212

Realme GT Neo 5 (240W)

With the phone at different charge levels (20%, 40%, 60%, 80%), Quick boost tests measure the amount of charge the battery receives after being plugged in for 5 minutes. The chart here compares the average autonomy gain from a quick 5-minute charge.

Average autonomy gain for a 5 minute charge (wired)

Efficiency

126

Samsung Galaxy S24

154

Oppo Reno6 5G
How Efficiency score is composed

The DXOMARK power efficiency score consists of two sub-scores, Charge up and Discharge rate, both of which combine data obtained during robot-based typical usage scenario, calibrated tests and charging evaluation, taking into consideration the device’s battery capacity. DXOMARK calculate the annual power consumption of the product, shown on below graph, which is representative of the overall efficiency during a charge and when in use.

Annual Consumption Samsung Galaxy S24
3.8 kWh
Efficient
Good
Bad
Inefficient

Charge up

134

Samsung Galaxy S24

205

Nubia RedMagic 7 Pro

The charge up sub-score is a combination of four factors: the overall efficiency of a full charge, related to how much energy you need to fill up the battery compared to the energy that the battery can provide; the efficiency of the travel adapter when it comes to transferring power from an outlet to your phone; the residual consumption when your phone is fully charged and still plugged into the charger; and the residual consumption of the charger itself, when the smartphone is disconnected from it. The chart here below shows the overall efficiency of a full charge in %.

Overall charge efficiency

Discharge

122

Samsung Galaxy S24

194

Apple iPhone 14 Pro

The discharge subscore rates the speed of a battery’s discharge during a test, which is independent of the battery’s capacity. It is the ratio of a battery’s capacity divided by its autonomy. A small-capacity battery could have the same autonomy as a large-capacity battery, indicating that the device is well-optimized, with a low discharge rate.

Average discharge current

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