Samsung unveiled two premium foldable smartphones on August 10. Along with the Galaxy Z Fold 4, the firm also unveiled the Samsung Galaxy Z Flip 4. Although the new Flip has a bigger battery, both devices are powered by the same low-power Snapdragon 8 Gen 1 SoC. The Galaxy Z Flip 4 has a little larger battery than its predecessor, though. The Galaxy Flip 4 has a 3700mAh battery, compared to the 3300mAh battery that comes with the Galaxy Z Flip 3. Which of these smartphones so genuinely offers a longer battery life?
In comparison to the Samsung Galaxy Flip 3, the Samsung Galaxy Z Flip 4 appears to have a 12% increase. Users’ biggest complaints about the Samsung Galaxy Z Flip 3 are its short battery life and sluggish charging speed. The new Flip 4 uses Samsung’s current flagship 25W fast charging technology, while the Samsung Galaxy Flip 3 can only support 15W charging.
Despite the nearly identical form sizes of the two smartphones, Samsung packed a bigger battery into the Flip 4—400 mAh more than the 3300mAh battery in the Samsung Galaxy Z Flip 3. But can the Samsung Galaxy Flip 4’s additional 400mAh battery help with its most pressing battery life issue? Let’s go right to the outcomes.
Related: Galaxy Z Flip 3 vs Galaxy Z Flip 4, What’s The Difference?
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Galaxy Flip 4 vs Galaxy Flip 3 Test
For comparison, both smartphones were set to the same brightness and were connected to WiFi. In addition, both phones were subjected to two battery drain tests: web browsing and watching YouTube videos. The outcome is depicted in the table below.
| Model | Web Browsing | YouTube Video |
| Samsung Galaxy Z Flip 3 | 10 hours 13 minutes | 7 hours 10 minutes |
| Samsung Galaxy Z Flip 4 | 11 hours 40 minutes | 9 hours 45 minutes |
In the first round, the Samsung Galaxy Z Flip 3 has a battery life of 10 hours and 13 minutes for web-based usage scenarios, and the Samsung Galaxy Z Flip 4 has a battery life of 11 hours and 40 minutes. However, the new Flip 4 outlasts its predecessor by an hour and 27 minutes when browsing the web. The following round involved watching a YouTube video. The Samsung Galaxy Z Flip 3 lasted 7 hours and 10 minutes in this test, while the Samsung Galaxy Z Flip 4 lasted 9 hours and 45 minutes. This means that when watching videos, the Flip 4 will last 2 hours and 35 minutes longer than the Flip 3.
