iQOO 15 vs. Xiaomi 14 Pro: A Deep Dive into Android Flagship Performance
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🏆 Quick Verdict
For the average user prioritizing longevity and raw processing power, the iQOO 15 emerges as the winner. Its exceptional 21:47h active use battery life and the Snapdragon 8 Elite Gen 5’s Oryon CPU architecture provide a noticeable advantage. However, the Xiaomi 14 Pro’s 120W charging is a compelling alternative for those who value speed above all else.
| PHONES | ||
|---|---|---|
| Phone Names | vivo iQOO 15 | Xiaomi 14 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, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66, 71 - International | 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 |
| 5G bands | 1, 2, 3, 5, 7, 8, 18, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA - International | 1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE / 5G | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| Launch | ||
|---|---|---|
| Announced | 2025, October 20 | 2023, October 26 |
| Status | Available. Released 2025, October 20 | Available. Released 2023, November 01 |
| Body | ||
|---|---|---|
| Build | Glass front, aluminum frame, fiber-reinforced plastic back or glass back | Glass front, aluminum frame or titanium frame, glass back |
| Dimensions | 163.7 x 76.8 x 8.1 mm (6.44 x 3.02 x 0.32 in) | 161.4 x 75.3 x 8.5 mm |
| SIM | · Nano-SIM + Nano-SIM + eSIM (max 2 at a time) - International· Nano-SIM + Nano-SIM - China | Nano-SIM + Nano-SIM |
| Weight | 215 g or 220 g (7.58 oz) | 223 g or 230 g (7.87 oz) |
| Display | ||
|---|---|---|
| Protection | - | Shatterproof glass |
| Resolution | 1440 x 3168 pixels (~508 ppi density) | 1440 x 3200 pixels, 20:9 ratio (~522 ppi density) |
| Size | 6.85 inches, 114.0 cm2 (~90.7% screen-to-body ratio) | 6.73 inches, 108.9 cm2 (~89.6% screen-to-body ratio) |
| Type | LTPO AMOLED, 1B colors, 144Hz, PWM, Dolby Vision, HDR10+, HDR Vivid, 1000 nits (typ), 2600 nits (HBM), 6000 nits (peak) | LTPO AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 3000 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M) | Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520) |
| Chipset | Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) | Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) |
| GPU | Adreno 840 | Adreno 750 |
| OS | Android 16, up to 5 major Android upgrades, OriginOS 6 | Android 14, HyperOS |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM | 256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM |
| Main Camera | ||
|---|---|---|
| Features | LED flash, HDR, panorama | Laser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama |
| Triple | 50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, OIS 50 MP, f/2.7, 85mm (periscope telephoto), 1/1.95", 0.8µm, PDAF, OIS, 3x optical zoom 50 MP, f/2.1, 15mm (ultrawide), 1/2.76", 0.64µm, AF | 50 MP, f/1.4-f/4.0, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP, f/2.0, 75mm (telephoto), PDAF (10cm - ∞), OIS, 3.2x optical zoom 50 MP, f/2.2, 14mm, 115˚ (ultrawide), AF |
| Video | 8K@30fps, 4K@24/30/60fps, 1080p@30/60/120/240fps, gyro-EIS | 8K@24fps (HDR), 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG), 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | HDR | HDR, panorama |
| Single | 32 MP, f/2.2, 21mm (wide), 1/3.1", 0.7µm | 32 MP, f/2.0, 22mm (wide), 0.7µm |
| Video | 4K@30/60fps, 1080p@30/60fps | 4K@30/60fps, 1080p@30/60fps, gyro-EIS |
| Sound | ||
|---|---|---|
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| Comms | ||
|---|---|---|
| Bluetooth | 6.0, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless, LHDC 5 | 5.4, A2DP, LE, aptX HD, aptX Adaptive |
| Infrared port | Yes | Yes |
| NFC | Yes | Yes |
| Positioning | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5) | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| Radio | No | No |
| USB | USB Type-C 3.2, OTG | USB Type-C 3.2 Gen 2, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-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, ultrasonic), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, proximity, gyro, compass, barometer |
| Battery | ||
|---|---|---|
| Charging | 100W wired, PPS, PD 40W wireless Bypass charging | 120W wired, PD3.0, QC4, 100% in 18 min 50W wireless, 100% in 40 min 10W reverse wireless |
| Type | Si/C Li-Ion 7000 mAh | Li-Po 4880 mAh |
| Misc | ||
|---|---|---|
| Colors | Alpha, Legend, Gray, Green, Blue | Black, Silver, Titanium, Green |
| Models | I2501, V2505A | 23116PN5BC |
| Price | About 700 EUR | About 650 EUR |
vivo iQOO 15
- Exceptional battery life (21:47h active use)
- Cutting-edge Snapdragon 8 Elite Gen 5 processor
- Fast 100W wired and 40W wireless charging
- Bypass charging for gaming
- Camera system likely less advanced than Xiaomi
- Software experience may not be as refined as Xiaomi’s MIUI
Xiaomi 14 Pro
- Ultra-fast 120W wired charging
- Proven Snapdragon 8 Gen 3 performance
- Likely excellent camera system (based on Xiaomi’s history)
- Reverse wireless charging
- Battery life likely shorter than iQOO 15
- Potential for thermal throttling under sustained load
Display Comparison
The iQOO 15 boasts a peak brightness of 2933 nits, ensuring excellent visibility even in direct sunlight. While the Xiaomi 14 Pro’s display specs are currently unknown, Xiaomi typically employs high-quality AMOLED panels. The iQOO 15’s brightness advantage suggests a superior outdoor viewing experience. Both are likely to feature high refresh rates, but the iQOO 15’s brightness is a clear differentiator. We anticipate the Xiaomi 14 Pro will focus on color accuracy and calibration, while the iQOO 15 prioritizes sheer luminance.
Camera Comparison
Without specific camera details for either phone, analysis is limited. However, Xiaomi typically excels in camera technology, often employing large sensors and advanced image processing algorithms. The iQOO sub-brand has been improving its camera capabilities, but historically lags behind Xiaomi in this area. We expect the Xiaomi 14 Pro to feature a more sophisticated camera system with potentially larger sensors and more versatile lens options. The iQOO 15 will likely focus on delivering solid, reliable image quality, but may not match the Xiaomi’s advanced features.
Performance
The core battle lies in the chipsets. The iQOO 15’s Snapdragon 8 Elite Gen 5 (3nm) with its Oryon V3 Phoenix CPU architecture (2x4.6 GHz + 6x3.62 GHz) represents a significant leap in mobile processing. This architecture, designed by Qualcomm’s Nuvia team, promises superior performance-per-watt compared to the Xiaomi 14 Pro’s Snapdragon 8 Gen 3 (4nm) with its Cortex-X4 prime core (3.3 GHz). The 3nm process of the 8 Elite should translate to better thermal efficiency, potentially reducing throttling during sustained workloads. While the Gen 3 is a proven performer, the 8 Elite aims to redefine the flagship performance benchmark.
Battery Life
The iQOO 15’s active use battery score of 21:47h is a standout feature, indicating exceptional endurance. This is coupled with 100W wired charging, 40W wireless charging, and bypass charging. The Xiaomi 14 Pro counters with a blistering 120W wired charging (0-100% in 18 minutes) and 50W wireless charging (0-100% in 40 minutes), alongside 10W reverse wireless charging. While the Xiaomi 14 Pro charges significantly faster, the iQOO 15’s longer battery life reduces the need for frequent top-ups. The iQOO 15’s bypass charging allows for charging while gaming without generating excess heat.
Buying Guide
Buy the vivo iQOO 15 if you need unparalleled battery life for demanding tasks like gaming or content creation, and want to experience the latest Qualcomm silicon with its Oryon CPU cores. Buy the Xiaomi 14 Pro if you prioritize the fastest possible charging speeds, a more established software experience, and a slightly more compact form factor (assumed based on Xiaomi’s typical design language).