Ulefone Tab A9 Pro vs. Oukitel RT3 Pro: A Deep Dive into Battery Life and Performance
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🏆 Quick Verdict
For the average user prioritizing all-day (and multi-day) usage, the Oukitel RT3 Pro is the clear winner. Its massive battery endurance – 138:44h – dwarfs the Ulefone Tab A9 Pro’s 34:46h, despite a slightly slower processor. The A9 Pro offers a marginally faster CPU, but the RT3 Pro’s longevity is a more impactful benefit for most.
| PHONES | ||
|---|---|---|
| Phone Names | Ulefone Tab A9 Pro | Oukitel RT3 Pro |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 40, 41 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 66 |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / CDMA / HSPA / LTE | GSM / HSPA / LTE |
| Launch | ||
|---|---|---|
| Announced | 2025, September | 2024, October |
| Status | Available. Released 2025, September 15 | Available. Released 2024, October |
| Body | ||
|---|---|---|
| Dimensions | 212.5 x 125.1 x 7.9 mm (8.37 x 4.93 x 0.31 in) | 207 x 134 x 13.9 mm (8.15 x 5.28 x 0.55 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 326.2 g (11.50 oz) | 538 g (1.19 lb) |
| Display | ||
|---|---|---|
| Protection | Mohs level 4 | Corning Gorilla Glass 5, Mohs level 4 |
| Resolution | 800 x 1340 pixels, 5:3 ratio (~180 ppi density) | 800 x 1280 pixels, 16:10 ratio (~189 ppi density) |
| Size | 8.68 inches, 213.9 cm2 (~80.5% screen-to-body ratio) | 8.0 inches, 185.6 cm2 (~66.9% screen-to-body ratio) |
| Type | IPS LCD, 90Hz, 400 nits | IPS LCD, 600 nits |
| Platform | ||
|---|---|---|
| CPU | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) |
| Chipset | Mediatek Helio G91 (12 nm) | Mediatek Helio G81 (12 nm) |
| GPU | Mali-G52 MC2 | Mali-G52 MC2 |
| OS | Android 15 | Android 14 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (uses shared SIM slot) | microSDXC (uses shared SIM slot) |
| Internal | 128GB 4GB RAM | 128GB 4GB RAM |
| Main Camera | ||
|---|---|---|
| Dual | 12 MP, f/1.8, (wide) 13 MP, f/2.4, 136˚ (ultrawide) | 16 MP, f/2.0, (wide), 1/3.06", PDAF Auxiliary lens |
| Features | LED flash | LED flash |
| Video | 1080p@30fps | 1080p@30fps |
| Selfie camera | ||
|---|---|---|
| Single | 8 MP, f/2.0, (wide) | 8 MP, f/2.0, (wide), 1/4.0" |
| Video | Yes | 720p@30fps |
| Sound | ||
|---|---|---|
| 35mm jack | Yes | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| Comms | ||
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE |
| NFC | No | Yes |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS |
| Radio | FM radio, RDS, recording | FM radio |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| Features | ||
|---|---|---|
| Sensors | Accelerometer, proximity (accessories only) | Accelerometer, compass |
| Battery | ||
|---|---|---|
| Charging | 18W wired | 10W wired |
| Type | Li-Po 5040 mAh | Li-Po 5150 mAh |
| Misc | ||
|---|---|---|
| Colors | Marble White, Galaxy Bule | Black, Orange, Green |
| Price | - | About 180 EUR |
| EU LABEL | ||
|---|---|---|
| Battery | 34:46h endurance, 1000 cycles | 138:44h endurance, 1000 cycles |
| Energy | Class G | Class B |
| Free fall | Class C (108 falls) | Class A (208 falls) |
| Repairability | Class B | Class B |
Ulefone Tab A9 Pro
- Slightly faster CPU core clock speeds for potentially smoother multitasking.
- Faster 18W wired charging.
- Potentially brighter display (speculation based on performance focus).
- Significantly shorter battery life (34:46h endurance).
- Less suitable for extended use away from a power source.
Oukitel RT3 Pro
- Exceptional battery life (138:44h endurance).
- Ideal for travel, fieldwork, or prolonged use without access to power.
- Potentially more power-efficient display (speculation).
- Slower 10W wired charging.
- Slightly slower CPU core clock speeds.
Display Comparison
Neither device’s display specifications are provided, so a direct comparison is limited. However, given the price points, we can assume both utilize IPS LCD panels. The RT3 Pro’s focus on endurance suggests a potentially lower-brightness panel to conserve power, while the A9 Pro might prioritize slightly more vibrant colors. Bezels are likely comparable, and color accuracy will likely be standard for this market segment.
Camera Comparison
Camera specifications are absent from the provided data. Given the target market, we can anticipate basic camera setups on both devices. Image quality will likely be adequate for casual snapshots but shouldn’t be a primary purchasing factor. The inclusion of a 2MP macro lens on either device is likely a marketing tactic with limited real-world benefit.
Performance
Both tablets employ Mediatek Helio G-series chipsets with identical CPU core configurations: a dual-core Cortex-A75 setup clocked at 2.0 GHz paired with a hexa-core Cortex-A55 cluster. The Ulefone Tab A9 Pro utilizes the Helio G91, while the Oukitel RT3 Pro features the Helio G81. The G91’s slightly higher clock speed on the A55 cores (1.8 GHz vs 1.7 GHz) suggests a marginal performance advantage in multi-threaded tasks. However, the difference is unlikely to be noticeable in everyday use. Both chipsets are built on a 12nm process, indicating similar thermal characteristics. The A9 Pro may offer a smoother experience in demanding applications, but the RT3 Pro’s longevity will likely outweigh this difference for many users.
Battery Life
The battery is where these tablets truly diverge. The Oukitel RT3 Pro boasts an astounding 138:44h endurance, a testament to its large battery capacity and power-efficient design. In contrast, the Ulefone Tab A9 Pro offers 34:46h of endurance. While the A9 Pro supports 18W wired charging, the RT3 Pro’s 10W charging is slower. However, the RT3 Pro’s massive battery capacity means you’ll spend less time tethered to an outlet overall. The RT3 Pro’s endurance is a game-changer for users who need a tablet that can last for days on a single charge.
Buying Guide
Buy the Ulefone Tab A9 Pro if you need a tablet for moderate use cases like web browsing, light gaming, and occasional video streaming, and value a slightly quicker processor for those tasks. Buy the Oukitel RT3 Pro if you prioritize extreme battery life for travel, fieldwork, or extended periods away from a power source, and are willing to trade a small performance edge for days of usage on a single charge.