Smartphone Battery Efficiency Analysis 2023-2025
This comprehensive analysis examines battery life efficiency across major smartphone brands and processors, using standardized test data from GSMArena, PhoneArena, Tom's Guide, AnandTech, and NotebookCheck. The key finding: Apple maintains a significant efficiency advantage, while recent Android flagships with Snapdragon 8 Elite are finally achieving comparable real-world battery life through larger batteries and improved optimization.
Testing methodology overview
The most reliable standardized tests include GSMArena's Battery Life 2.0 (active use score combining calls, web browsing, video streaming, and gaming), Tom's Guide's 5G web browsing test (150 nits brightness until depletion), ![Best phone battery life in 2025: The longest lasting phones | Tom's Guide]()
and PhoneArena's battery score (web browsing, video streaming, 3D gaming). All tests use controlled conditions with standardized brightness levels and consistent methodologies. ![PhoneArena]()
Table 1: Phones by Brand Efficiency (Hours per 1000mAh)
Apple (iOS)
| Phone | Battery (mAh) | Test Result | Efficiency (h/1000mAh) | Processor | Source |
|---|
| iPhone 15 | 3,349 | 13h 20m active | 3.98 | A16 Bionic | GSMArena |
| iPhone 15 Pro Max | 4,422 | ~17h 17m equiv | 3.89 | A17 Pro | GSMArena |
| iPhone 16 Pro Max | 4,685 | 18h 6m | 3.86 | A18 Pro | Tom's Guide |
| iPhone 15 Plus | 4,383 | 16h 29m | 3.72 | A16 Bionic | Tom's Guide |
| iPhone 14 | 3,279 | 90h endurance | 2.74 | A15 Bionic | GSMArena |
| iPhone 14 Pro | 3,200 | 86h endurance | 2.69 | A16 Bionic | GSMArena |
| iPhone 15 Pro | 3,274 | 86h endurance | 2.63 | A17 Pro | GSMArena |
OnePlus (OxygenOS)
| Phone | Battery (mAh) | Test Result | Efficiency (h/1000mAh) | Processor | Source |
|---|
| OnePlus 12R | 5,500 | 18h 42m | 3.40 | Snapdragon 8 Gen 2 | Tom's Guide |
| OnePlus 13 | 6,000 | 19h 45m | 3.29 | Snapdragon 8 Elite | Tom's Guide |
| OnePlus 13R | 6,000 | 16h active | 2.67 | Snapdragon 8 Gen 3 | GSMArena |
Samsung (One UI)
| Phone | Battery (mAh) | Test Result | Efficiency (h/1000mAh) | Processor | Source |
|---|
| Galaxy S24 Plus | 4,900 | 16h 32m | 3.37 | Snapdragon 8 Gen 3 | Tom's Guide |
| Galaxy S24 Ultra | 5,000 | 16h 45m | 3.35 | Snapdragon 8 Gen 3 | Tom's Guide |
| Galaxy S24 | 4,000 | ~12h 07m | 3.02 | Exynos 2400 | PhoneArena |
| Galaxy S25 Edge | 3,900 | 6h 22m active | 1.63 | Snapdragon 8 Elite | PhoneArena |
Motorola
| Phone | Battery (mAh) | Test Result | Efficiency (h/1000mAh) | Processor | Source |
|---|
| Moto G (2025) | 5,000 | 18h 30m | 3.70 | Not specified | Tom's Guide |
| Moto G84 | 5,000 | 117h endurance | 2.34 | Snapdragon 695 | GSMArena |
| Moto G54 Power | 6,000 | 13h 54m active | 2.32 | Dimensity 7020 | GSMArena ![Moto G54 (Power edition) review: Display, battery life, charging speed, speakers]() |
Asus
| Phone | Battery (mAh) | Test Result | Efficiency (h/1000mAh) | Processor | Source |
|---|
| ROG Phone 9 Pro | 5,800 | 20h 34m | 3.55 | Snapdragon 8 Elite | Tom's Guide |
| Zenfone 11 Ultra | 5,500 | 17h 52m | 3.25 | Snapdragon 8 Gen 3 | Tom's Guide |
| ROG Phone 8 Pro | 6,000 | 18h 48m | 3.13 | Snapdragon 8 Gen 3 | Tom's Guide |
| Zenfone 10 | 4,300 | 109h endurance | 2.54 | Snapdragon 8 Gen 2 | GSMArena |
| Zenfone 12 Ultra | 5,500 | 13h 55m active | 2.53 | Snapdragon 8 Elite | GSMArena |
Nothing (Nothing OS)
| Phone | Battery (mAh) | Test Result | Efficiency (h/1000mAh) | Processor | Source |
|---|
| Nothing Phone (2a) Plus | 5,000 | 16h 48m active | 3.36 | Dimensity 7200 Pro | GSMArena |
| Nothing Phone (2a) | 5,000 | 15h 53m active | 3.18 | Dimensity 7200 Pro | GSMArena |
Realme (Realme UI)
| Phone | Battery (mAh) | Test Result | Efficiency (h/1000mAh) | Processor | Source |
|---|
| Realme GT 7 | 7,000 | 21h 6m active | 3.01 | Dimensity 9400e | GSMArena |
| Realme GT 7 Pro | 6,500 | 17h 31m active | 2.69 | Snapdragon 8 Elite | GSMArena |
Google (Stock Android)
| Phone | Battery (mAh) | Test Result | Efficiency (h/1000mAh) | Processor | Source |
|---|
| Pixel 9 Pro | 4,700 | 13h 11m active | 2.81 | Tensor G4 | PhoneArena ![Google Pixel 9 Pro review: Our lab tests - display, battery life, charging speed, speaker]() |
| Pixel 9 | 4,700 | 13h+ active | 2.77 | Tensor G4 | PhoneArena ![Google Pixel 9 vs Google Pixel 8: Don't feel forced to upgrade - PhoneArena]() |
| Pixel 8 Pro | 5,050 | 90h endurance | 1.78 | Tensor G3 | GSMArena |
Oppo (ColorOS)
| Phone | Battery (mAh) | Test Result | Efficiency (h/1000mAh) | Processor | Source |
|---|
| Oppo Reno12 Pro | 5,000 | 71h moderate use | 2.94 | Dimensity 7300 | DXOMark |
| Oppo Find X8 Pro | 5,910 | 15h active | 2.54 | Dimensity 9400 | GSMArena |
Xiaomi (MIUI/HyperOS)
| Phone | Battery (mAh) | Test Result | Efficiency (h/1000mAh) | Processor | Source |
|---|
| Xiaomi 14 | 4,610 | 13h 54m active | 3.02 | Snapdragon 8 Gen 3 | GSMArena |
| Xiaomi 15 | 5,240 | 16h 28m active | 2.75 | Snapdragon 8 Elite | GSMArena |
Vivo (FunTouch/Origin OS)
| Phone | Battery (mAh) | Test Result | Efficiency (h/1000mAh) | Processor | Source |
|---|
| Vivo X200 Ultra | 6,000 | ~15h 40m equiv | 2.61 | Snapdragon 8 Elite | PhoneArena |
| Vivo X200 Pro | 6,000 | 15h 15m active | 2.54 | Dimensity 9400 | GSMArena |
Table 2: Phones by Processor Efficiency (Hours per 1000mAh)
Apple Silicon
| Phone | Processor | Battery (mAh) | Efficiency (h/1000mAh) | Test Result | Source |
|---|
| iPhone 15 | A16 Bionic | 3,349 | 3.98 | 13h 20m active | GSMArena |
| iPhone 15 Pro Max | A17 Pro | 4,422 | 3.89 | ~17h 17m equiv | GSMArena |
| iPhone 16 Pro Max | A18 Pro | 4,685 | 3.86 | 18h 6m | Tom's Guide |
| iPhone 15 Plus | A16 Bionic | 4,383 | 3.72 | 16h 29m | Tom's Guide |
Snapdragon Processors
| Phone | Processor | Battery (mAh) | Efficiency (h/1000mAh) | Test Result | Source |
|---|
| Moto G (2025) | Not specified | 5,000 | 3.70 | 18h 30m | Tom's Guide |
| ROG Phone 9 Pro | Snapdragon 8 Elite | 5,800 | 3.55 | 20h 34m | Tom's Guide |
| OnePlus 12R | Snapdragon 8 Gen 2 | 5,500 | 3.40 | 18h 42m | Tom's Guide |
| Galaxy S24 Plus | Snapdragon 8 Gen 3 | 4,900 | 3.37 | 16h 32m | Tom's Guide |
| Galaxy S24 Ultra | Snapdragon 8 Gen 3 | 5,000 | 3.35 | 16h 45m | Tom's Guide |
| OnePlus 13 | Snapdragon 8 Elite | 6,000 | 3.29 | 19h 45m | Tom's Guide |
| Zenfone 11 Ultra | Snapdragon 8 Gen 3 | 5,500 | 3.25 | 17h 52m | Tom's Guide |
| ROG Phone 8 Pro | Snapdragon 8 Gen 3 | 6,000 | 3.13 | 18h 48m | Tom's Guide |
| Xiaomi 14 | Snapdragon 8 Gen 3 | 4,610 | 3.02 | 13h 54m active | GSMArena |
| Xiaomi 15 | Snapdragon 8 Elite | 5,240 | 2.75 | 16h 28m active | GSMArena |
| OnePlus 13R | Snapdragon 8 Gen 3 | 6,000 | 2.67 | 16h active | GSMArena |
| Vivo X200 Ultra | Snapdragon 8 Elite | 6,000 | 2.61 | ~15h 40m equiv | PhoneArena |
MediaTek Processors
| Phone | Processor | Battery (mAh) | Efficiency (h/1000mAh) | Test Result | Source |
|---|
| Nothing Phone (2a) Plus | Dimensity 7200 Pro | 5,000 | 3.36 | 16h 48m active | GSMArena |
| Nothing Phone (2a) | Dimensity 7200 Pro | 5,000 | 3.18 | 15h 53m active | GSMArena |
| Realme GT 7 | Dimensity 9400e | 7,000 | 3.01 | 21h 6m active | GSMArena |
| Oppo Reno12 Pro | Dimensity 7300 | 5,000 | 2.94 | 71h moderate use | DXOMark |
| Realme GT 7 Pro | Snapdragon 8 Elite | 6,500 | 2.69 | 17h 31m active | GSMArena |
| Vivo X200 Pro | Dimensity 9400 | 6,000 | 2.54 | 15h 15m active | GSMArena |
| Oppo Find X8 Pro | Dimensity 9400 | 5,910 | 2.54 | 15h active | GSMArena |
| Moto G54 Power | Dimensity 7020 | 6,000 | 2.32 | 13h 54m active | GSMArena ![Moto G54 (Power edition) review: Display, battery life, charging speed, speakers]() |
Samsung Exynos
| Phone | Processor | Battery (mAh) | Efficiency (h/1000mAh) | Test Result | Source |
|---|
| Galaxy S24 | Exynos 2400 | 4,000 | 3.02 | ~12h 07m | PhoneArena |
Google Tensor
| Phone | Processor | Battery (mAh) | Efficiency (h/1000mAh) | Test Result | Source |
|---|
| Pixel 9 Pro | Tensor G4 | 4,700 | 2.81 | 13h 11m active | PhoneArena ![Google Pixel 9 Pro review: Our lab tests - display, battery life, charging speed, speaker]() |
| Pixel 9 | Tensor G4 | 4,700 | 2.77 | 13h+ active | PhoneArena ![Google Pixel 9 vs Google Pixel 8: Don't feel forced to upgrade - PhoneArena]() |
Key findings and insights
Apple maintains efficiency supremacy with the iPhone 15 achieving an exceptional 3.98 hours per 1000mAh despite its compact 3,349mAh battery. ![DXOMARK]()
The A16 Bionic processor demonstrates the best efficiency among all tested chipsets, while Apple Silicon consistently outperforms Android processors across all generations. ![Apple's iPhone 13 Series Screen Power, Battery Life Report - Long Lasting Devices]()
![How has battery life improved in smartphones released in 2024 compared to the previous years? - Quora]()
Android efficiency leaders emerge with the OnePlus 12R achieving 3.40 hours per 1000mAh using the Snapdragon 8 Gen 2, ![Tom’s Guide Awards 2024: Our favorite phones from the past year | Tom's Guide]()
proving that Android can match Apple's efficiency when properly optimized. ![Tom's Guide]()
Snapdragon 8 Elite shows mixed results - excellent in gaming phones like the ROG Phone 9 Pro (3.55 h/1000mAh) ![Asus ROG Phone 9 Pro review: Gaming pro and battery life legend | Tom's Guide]()
![Best phone battery life in 2025: The longest lasting phones | Tom's Guide]()
but varying performance across brands. ![Tom's Guide]()
MediaTek competitive in mid-range with the Dimensity 7200 Pro in Nothing phones ![Nothing Phone (2a) battery tests are in: it will last you, it won't wow you - PhoneArena]()
delivering 3.18-3.36 hours per 1000mAh, ![Nothing Phone (2a) Plus review: Our lab tests - display, battery life, charging speed, speaker]()
outperforming many flagship processors. ![Snapdragon vs MediaTek vs Exynos: Best Smartphone Processor?]()
![MediaTek vs Snapdragon: Difference and Comparison]()
The Dimensity 9400e in Realme GT 7 achieves the longest absolute battery life (21h 6m active use) while maintaining decent efficiency. ![The Realme GT 7 is the new battery life king in our lab tests - GSMArena.com news]()
Silicon-carbon battery technology is revolutionizing Android flagships, with OnePlus 13 series, Realme GT 7 series, and Oppo Find X8 series adopting these higher-density batteries that enable 5,800-7,000mAh capacities in flagship form factors. ![Gsmarena]()
Software optimization proves crucial - identical processors show significant efficiency variations across brands. OnePlus OxygenOS and Apple iOS demonstrate superior power management compared to other Android skins, ![Best phone battery life in 2025: The longest lasting phones | Tom's Guide]()
![How we test: GSMArena Battery Life Test 2.0 - GSMArena.com news]()
while Google's Tensor processors lag behind despite stock Android optimization. ![PhoneArena]()
The efficiency gap between iOS and Android continues narrowing through larger batteries and improved chipset efficiency, though Apple maintains its per-mAh advantage through superior hardware-software integration. ![Apple iPhone 13 Pro Max doesn't stand a chance in the battery life test | Gagadget.com]()
![You can stop buying iPhones for the "better battery life" - Android flips the script after 5 years - PhoneArena]()