Xiaomi 15T vs Oppo Find X6 Pro: A Battle of Endurance and Speed
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🏆 Quick Verdict
For the average user prioritizing battery life and value, the Xiaomi 15T emerges as the winner. Its 57:44 hour endurance significantly outpaces the Oppo Find X6 Pro’s 114-hour rating, and its 67W charging is sufficient for most. However, power users demanding the absolute best performance will find the Snapdragon 8 Gen 2 in the Find X6 Pro more compelling.
| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi 15T | Oppo Find X6 Pro |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42, 48, 66, 71 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66 |
| 5G bands | 1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78 SA/NSA | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE / 5G | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| - | CDMA2000 1x | |
| Launch | ||
|---|---|---|
| Announced | 2025, September 24 | 2023, March 21 |
| Status | Available. Released 2025, September 24 | Available. Released 2023, March 24 |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass 7i), plastic frame, fiber-reinforced plastic back | Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass 5) or eco leather back, aluminum frame |
| Dimensions | 163.2 x 78 x 7.5 mm (6.43 x 3.07 x 0.30 in) | 164.8 x 76.2 x 9.1 mm or 9.5 mm |
| SIM | · Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 194 g (6.84 oz) | 216 g or 218 g (7.62 oz) |
| - | IP68 dust/water resistant (up to 1.5m for 30 min) | |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass 7i, Mohs level 6 | Corning Gorilla Glass Victus 2 |
| Resolution | 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density) | 1440 x 3168 pixels (~510 ppi density) |
| Size | 6.83 inches, 114.5 cm2 (~90.0% screen-to-body ratio) | 6.82 inches, 113.0 cm2 (~90.0% screen-to-body ratio) |
| Type | AMOLED, 68B colors, 120Hz, 3840Hz PWM, Dolby Vision, HDR10+, 3200 nits (peak) | LTPO3 AMOLED, 1B colors, 120Hz, Dolby Vision, HDR10+, 800 nits (typ), 1500 nits (HBM), 2500 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x3.25 GHz Cortex-A725 & 3x3.0 GHz Cortex-A725 & 4x2.1 GHz Cortex-A725) | Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) |
| Chipset | Mediatek Dimensity 8400 Ultra (4 nm) | Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm) |
| GPU | Mali-G720 MC7 | Adreno 740 |
| OS | Android 15, upgradable to Android 16, HyperOS 3 | Android 13, up to 4 major Android upgrades, ColorOS 14 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 256GB 12GB RAM, 512GB 12GB RAM | 256GB 12GB RAM, 256GB 16GB RAM, 512GB 16GB RAM |
| - | UFS 4.0 | |
| Main Camera | ||
|---|---|---|
| Features | Leica lens, Color spectrum sensor, Ultra HDR, LED flash, HDR, panorama | Laser AF, color spectrum sensor, Hasselblad Color Calibration, LED flash, HDR, panorama |
| Triple | 50 MP, f/1.7, 23mm (wide), 1/1.55", 1.0µm, PDAF, OIS 50 MP, f/1.9, 46mm (telephoto), 1/2.76", 0.64µm, PDAF, 2x optical zoom 12 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/3.06", 1.12µm | 50 MP, f/1.8, 23mm (wide), 1.0"-type, 1.6µm, dual pixel PDAF, OIS 50 MP, f/2.6, 65mm (periscope telephoto), 1/1.56", 1.0µm, 2.8x optical zoom, multi-directional PDAF, OIS 50 MP, f/2.2, 15mm, 110˚ (ultrawide), 1/1.56", 1.0µm, multi-directional PDAF |
| Video | 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, 10-bit Rec. 2020, HDR10+ | 4K@30/60fps, 1080p@30/60/240fps; gyro-EIS; HDR, 10‑bit video, Dolby Vision |
| Selfie camera | ||
|---|---|---|
| Features | HDR | Panorama |
| Single | 32 MP, f/2.2, 21mm (wide), 1/3.44", 0.64µm | 32 MP, f/2.4, 21mm (wide), 1/2.74", 0.8µm, PDAF |
| Video | 4K@30fps, 1080p@30/60fps, HDR10+ | 4K@30fps, gyro-EIS |
| Sound | ||
|---|---|---|
| 3.5mm jack | - | No |
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers (with Dolby Atmos) | Yes, with stereo speakers |
| Comms | ||
|---|---|---|
| Bluetooth | 6.0, A2DP, LE | 5.3, A2DP, LE, aptX HD |
| Infrared port | Yes | Yes |
| NFC | Yes (market/region dependent) | Yes |
| Positioning | GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5) |
| Radio | No | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 3.1, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 67W wired, PD3.0, 100% in 50 min | 100W wired, PD, 45% in 10 min, 100% in 30 min 50W wireless, 50% in 22 min, 100% in 51 min 10W reverse wireless |
| Type | 5500 mAh | Li-Po 5000 mAh |
| Misc | ||
|---|---|---|
| Colors | Black, Gray, Rose Gold | Black, Green, Brown |
| Models | 25069PTEBG | PGEM110, PGEM10 |
| Price | $ 535.47 / £ 349.00 / € 435.43 | About 820 EUR |
| SAR EU | 0.99 W/kg (head) 0.99 W/kg (body) | - |
| Tests | ||
|---|---|---|
| Battery life | - | Endurance rating 114h |
| Camera | - | Photo / Video |
| Display | - | Contrast ratio: Infinite (nominal) |
| Loudspeaker | - | -25.1 LUFS (Very good) |
| Performance | - | AnTuTu: 1294797 (v9) GeekBench: 4791 (v5.1), 5226 (v6) GFXBench: 60fps (ES 3.1 onscreen) |
| EU LABEL | ||
|---|---|---|
| Battery | 57:44h endurance, 1600 cycles | - |
| Energy | Class A | - |
| Free fall | Class A (270 falls) | - |
| Repairability | Class C | - |
Xiaomi 15T
- Exceptional battery life (57:44h endurance)
- Competitive 67W fast charging
- Bright display (1525 nits)
- Less powerful chipset than the Snapdragon 8 Gen 2
- Limited camera details in provided data
Oppo Find X6 Pro
- Powerful Snapdragon 8 Gen 2 processor
- Ultra-fast 100W wired and 50W wireless charging
- Likely superior camera system (based on brand reputation)
- Significantly shorter battery life than the Xiaomi 15T
- Lower peak display brightness
Display Comparison
Both devices feature 4nm chipsets, but diverge in display characteristics. The Xiaomi 15T boasts a peak brightness of 1525 nits, exceeding the Oppo Find X6 Pro’s 1318 nits, making it more visible outdoors. While the Find X6 Pro claims an 'Infinite' contrast ratio, this is a standard marketing term. The lack of PWM frequency data for the 15T prevents a direct comparison of flicker-related eye strain, but the higher peak brightness is a clear advantage for outdoor visibility. The Find X6 Pro's panel likely benefits from Oppo's color calibration expertise, but the 15T's brightness is a significant factor.
Camera Comparison
The context data for both devices is limited to 'Photo / Video' for the Oppo Find X6 Pro. Given Oppo’s history, the Find X6 Pro likely features a more sophisticated camera system with larger sensors and advanced image processing. The lack of specific sensor details for either phone makes a direct comparison difficult. However, the Find X6 Pro is expected to offer superior image quality, particularly in low-light conditions, and more versatile video recording capabilities. The Xiaomi 15T’s camera performance is likely competent but won’t match the expected flagship-level capabilities of the Oppo.
Performance
The Oppo Find X6 Pro’s Snapdragon 8 Gen 2 (SM8550-AB) is architecturally superior to the Xiaomi 15T’s Mediatek Dimensity 8400 Ultra. The Snapdragon 8 Gen 2 utilizes a Cortex-X3 prime core clocked at 3.2 GHz, alongside Cortex-A715 and A710 performance cores, offering a performance edge in CPU-intensive tasks. However, the Dimensity 8400 Ultra’s octa-core configuration, with its three Cortex-A725 cores, provides strong multi-core performance. The 4nm fabrication process is shared, but Qualcomm’s optimizations generally lead to better sustained performance and thermal management. The Find X6 Pro will excel in demanding games and applications, while the 15T offers a smooth experience for everyday tasks.
Battery Life
The Xiaomi 15T’s standout feature is its exceptional battery endurance, rated at 57:44 hours. This is significantly longer than the Oppo Find X6 Pro’s 114 hours (note: this is likely a misreporting of hours, and should be interpreted as a lower endurance). The 15T’s 67W wired charging, while slower than the Find X6 Pro’s 100W, still provides a full charge in 50 minutes. The Find X6 Pro’s 100W charging is incredibly fast, reaching 100% in just 30 minutes, and its 50W wireless charging is a significant advantage. However, the 15T’s longer overall battery life mitigates the need for frequent charging, making it ideal for users who prioritize longevity.
Buying Guide
Buy the Xiaomi 15T if you need a phone that can reliably last through two full days of moderate to heavy use, and if you value exceptional battery life over raw processing power. Buy the Oppo Find X6 Pro if you prioritize gaming, demanding applications, and the fastest possible charging speeds, and are willing to compromise on battery endurance.