Xiaomi 15T vs 14T Pro: A Deep Dive into Performance, Battery, and Display
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🏆 Quick Verdict
For the average user prioritizing longevity and consistent performance, the Xiaomi 15T emerges as the winner. Its significantly longer battery life (57:44h endurance) and capable Dimensity 8400 Ultra chipset offer a more balanced experience. However, power users demanding the absolute fastest charging and peak performance will favor the 14T Pro.
| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi 15T | Xiaomi 14T 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, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 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, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 75, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE / 5G |
| Launch | ||
|---|---|---|
| Announced | 2025, September 24 | 2024, September 26 |
| Status | Available. Released 2025, September 24 | Available. Released 2024, September 26 |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass 7i), plastic frame, fiber-reinforced plastic back | Glass front (Gorilla Glass 5), aluminum frame, glass back (Panda X) |
| Dimensions | 163.2 x 78 x 7.5 mm (6.43 x 3.07 x 0.30 in) | 160.4 x 75.1 x 8.4 mm (6.31 x 2.96 x 0.33 in) |
| SIM | · Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIM | · Nano-SIM + eSIM· eSIM + eSIM· Nano-SIM + Nano-SIM |
| Weight | 194 g (6.84 oz) | 209 g (7.37 oz) |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass 7i, Mohs level 6 | Corning Gorilla Glass 5 |
| Resolution | 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density) | 1220 x 2712 pixels, 20:9 ratio (~446 ppi density) |
| Size | 6.83 inches, 114.5 cm2 (~90.0% screen-to-body ratio) | 6.67 inches, 107.4 cm2 (~89.1% screen-to-body ratio) |
| Type | AMOLED, 68B colors, 120Hz, 3840Hz PWM, Dolby Vision, HDR10+, 3200 nits (peak) | AMOLED, 68B colors, 144Hz, 3840Hz PWM, Dolby Vision, HDR10+, 1600 nits (HBM), 4000 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x3.25 GHz Cortex-A725 & 3x3.0 GHz Cortex-A725 & 4x2.1 GHz Cortex-A725) | Octa-core (1x3.4 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720) |
| Chipset | Mediatek Dimensity 8400 Ultra (4 nm) | Mediatek Dimensity 9300+ (4 nm) |
| GPU | Mali-G720 MC7 | Immortalis-G720 MC12 |
| OS | Android 15, upgradable to Android 16, HyperOS 3 | Android 14, HyperOS |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 256GB 12GB RAM, 512GB 12GB RAM | 256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 12GB RAM |
| Main Camera | ||
|---|---|---|
| Features | Leica lens, Color spectrum sensor, Ultra HDR, LED flash, HDR, panorama | Leica lens, Ultra HDR, 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/1.6, 23mm (wide), 1/1.31", 1.2µm, PDAF, OIS 50 MP, f/2.0, 60mm (telephoto), 1/2.88", 0.61µm, PDAF, 2.6x optical zoom 12 MP, f/2.2, 15mm (ultrawide), 1/3.06", 1.12µm |
| Video | 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, 10-bit Rec. 2020, HDR10+ | 8K@24/30fps, 4K@24/30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, 10-bit Rec. 2020, HDR10+ |
| Selfie camera | ||
|---|---|---|
| Features | HDR | HDR |
| Single | 32 MP, f/2.2, 21mm (wide), 1/3.44", 0.64µm | 32 MP, f/2.0, 25mm (wide), 1/3.44", 0.64µm |
| Video | 4K@30fps, 1080p@30/60fps, HDR10+ | 4K@30fps, 1080p@30/60fps, HDR10+ |
| Sound | ||
|---|---|---|
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers (with Dolby Atmos) | Yes, with stereo speakers |
| Comms | ||
|---|---|---|
| Bluetooth | 6.0, A2DP, LE | 5.4, A2DP, LE, LHDC |
| Infrared port | Yes | Yes |
| NFC | Yes (market/region dependent) | Yes (market/region dependent) |
| Positioning | GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS | GPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5), GLONASS |
| Radio | No | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, 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, dual-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 | 120W wired, PD3.0, QC4, 100% in 19 min 50W wireless, 100% in 45 min |
| Type | 5500 mAh | Li-Po 5000 mAh |
| Misc | ||
|---|---|---|
| Colors | Black, Gray, Rose Gold | Titan Gray, Titan Blue, Titan Black |
| Models | 25069PTEBG | 2407FPN8EG |
| Price | $ 535.47 / £ 349.00 / € 435.43 | $ 550.00 / £ 498.00 / € 539.99 |
| SAR EU | 0.99 W/kg (head) 0.99 W/kg (body) | 0.99 W/kg (head) 1.00 W/kg (body) |
| 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)
- Brighter display (1525 nits)
- Longer battery lifespan (1600 cycles)
- Slightly less powerful chipset than the 14T Pro
- Slower charging speed (67W vs 120W)
Xiaomi 14T Pro
- Faster chipset (Dimensity 9300+)
- Blazing-fast 120W wired charging
- 50W wireless charging support
- Significantly shorter battery life (12:32h active use)
- Lower peak display brightness (1228 nits)
Display Comparison
The Xiaomi 15T boasts a brighter display, reaching a measured peak brightness of 1525 nits, compared to the 14T Pro’s 1228 nits. This translates to superior visibility in direct sunlight. While both utilize high-refresh-rate panels, the data doesn't specify if either employs LTPO technology for variable refresh rates, which would further enhance efficiency. The higher brightness of the 15T is a clear advantage for outdoor users and those who consume a lot of HDR content.
Camera Comparison
Unfortunately, the provided data lacks camera specifications. Given the 'Pro' designation, the 14T Pro likely features a more advanced camera system, potentially with a larger main sensor and more sophisticated image processing. Historically, Xiaomi's 'Pro' models prioritize camera capabilities. Without specific sensor details, it's reasonable to assume the 14T Pro offers superior image quality, particularly in low-light conditions. The absence of information on OIS (Optical Image Stabilization) makes a definitive comparison impossible.
Performance
The Xiaomi 14T Pro’s Mediatek Dimensity 9300+ chipset, featuring a Cortex-X4 prime core clocked at 3.4 GHz, offers a theoretical performance advantage over the 15T’s Dimensity 8400 Ultra (3.25 GHz Cortex-A725). The 9300+’s architecture is designed for more demanding workloads. However, the 15T’s CPU configuration, with three Cortex-A725 cores, provides a strong multi-core performance profile. Both chipsets are fabricated on a 4nm process, but the 9300+'s newer architecture likely results in better efficiency at peak loads. The 14T Pro will excel in benchmarks and graphically intensive games, while the 15T will provide a smoother experience for everyday tasks.
Battery Life
The Xiaomi 15T’s endurance score of 57:44h is a standout feature, significantly exceeding the 14T Pro’s active use score of 12:32h. This difference is partially attributable to the 15T’s more efficient chipset and potentially optimized software. While the 14T Pro compensates with incredibly fast 120W wired charging (0-100% in 19 minutes) and 50W wireless charging, the 15T’s 67W wired charging (50 minutes) is still respectable. The 15T’s reported 1600 battery cycles suggest a longer lifespan before significant capacity degradation.
Buying Guide
Buy the Xiaomi 15T if you need a phone that will comfortably last through a full day and beyond, even with heavy use, and value consistent performance over short bursts of maximum power. Buy the Xiaomi 14T Pro if you prioritize the fastest possible charging speeds (100% in 19 minutes) and require the highest level of processing power for demanding tasks like video editing or hardcore gaming, and are willing to trade some battery life for it.