Phone Comparison - Xiaomi 12X vs Xiaomi 15 Ultra vs Xiaomi Redmi 15
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| Manufacturer | Xiaomi | Xiaomi | Xiaomi |
| Announced | 2021, December 28 | February 2025 | August 2025 |
| Status | Coming soon. Exp. release 2021, December 31 | Available - February 2025 | Available - August 2025 |
| Price | - | Rs. 109,999 ($0.00) [Similarly Priced] | Rs. 14,999 ($0.00) [Similarly Priced] |
| Colors | Black, Blue, Pink | Black, White, Silver Chrome, Green | Midnight Black, Titan Gray, Green |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
152.7 x 69.9 x 8.2 mm (6.01 x 2.75 x 0.32 in) |
161.3 x 75.3 x 9.4 mm (6.35 x 2.96 x 0.37 in) |
171.1 x 82.1 x 8.6 mm (6.74 x 3.23 x 0.34 in) |
| Weight | 170 g (6 oz) | 226 g or 229 g (7.97 oz or 8.08 oz) | 224 g (7.9 oz) |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) | - | Nano-SIM + Nano-SIM |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 34, 38, 39, 40, 41, 42 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66, 71 - International 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 - China |
LTE |
| 5G Network | 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA | 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79 SA/NSA - International 1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79, 80, 81, 83, 84, 89 SA/NSA - China |
SA/NSA |
| Messaging | |||
| Build Features | - Fingerprint Sensor (under display, optical) |
- Fingerprint Sensor (under display, ultrasonic) IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Aerospace-grade glass fiber |
- Fingerprint Sensor (side-mounted) IP64 dust tight and water resistant (water splashes) |
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| OS | Android 12 | Android 15, up to 4 major Android upgrades | Android 15 |
| User Interface | MIUI 13 | HyperOS 2 | HyperOS 2 |
| Processor | Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585), Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) | Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M), Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) | Octa-core (2x2.3 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55), Qualcomm SM6375 Snapdragon 6s Gen 3 (6 nm) |
| GPU | Adreno 650 | Adreno 830 | Adreno 619 |
| RAM | 12 GB | 16 GB | 4 GB |
| Internal Memory | 256 GB | 1 TB | 128 GB |
| External Memory | No | No | No |
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| Type | FHD+ OLED Screen 120Hz Refresh Rate Dolby Vision, HDR10+ 1100 nits (peak) Corning Gorilla Glass Victus |
QHD+ LTPO AMOLED Screen 120Hz, Dolby Vision, HDR10+, HDR Vivid, 3200 Nits (peak) Xiaomi Shield Glass 2.0 Protections |
FHD+ IPS LCD Screen 144Hz, Unspecified |
| Colors | 1B Colors | 68B colors | 16M colors |
| Size | 6.28 inches | 6.73 inches | 6.9 inches |
| Resolution | 1080 x 2400 pixels (419 ppi) | 1440 x 3200 pixels (521 ppi) | 1080 x 2340 pixels (374 ppi) |
| Screen-to-Body Ratio | 89.24% | 90.17% | 82.98% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | No | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 50 MP + 13 MP + 5 MP | 50 MP + 50 MP + 200 MP + 50 MP | 50 MP |
| Flash | Dual-LED Dual-tone Flash | No | LED Flash |
| Features | 50 MP, f/1.9, 26mm (wide), 1/1.56", 1.0µm, PDAF, OIS 13 MP, f/2.4, 12mm, 123˚ (ultrawide), 1/3.06", 1.12µm 5 MP, 50mm (telephoto macro), AF HDR, Panorama |
50 MP, f/1.6, 23mm (wide), 1.0"-type, 1.6µm, dual pixel PDAF, OIS 50 MP, f/1.8, 70mm (telephoto), 1/2.51", 0.7µm, dual pixel PDAF (10cm - ∞), OIS, 3x optical zoom 200 MP, f/2.6, 100mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF, OIS, 4.3x optical zoom 50 MP, f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, dual pixel PDAF TOF 3D, (depth) Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional) |
50 MP, f/1.8, (wide), PDAF other unspecified cameras HDR |
| Video | 8K@24fps (HDR10), 4K@30fps (HDR10+), 1080p@30/120/240/960fps, 720p@1920fps, gyro-EIS | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K@60fps, 1080p) | 1080p@30fps |
| Front Camera |
32 MP, 26mm (wide), 0.7µm HDR, panorama 1080p@30/60fps, 720p@120fps [Similar] |
32 MP, f/2.0, 21mm (wide), 1/3.14", 0.7µm HDR, panorama 4K@30/60fps, 1080p@30/60fps, gyro-EIS [Similar] |
8 MP, f/2.0, (wide) HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A, 5G | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Bluetooth | 5.2, A2DP, LE, aptX HD, aptX Adaptive | 6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5 | 5.1, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| USB | USB Type-C 2.0, USB On-The-Go | USB Type-C 3.2 Gen 2, DisplayPort, OTG | USB Type-C |
| GPS | Yes, with dual-band A-GPS, GLONASS, GALILEO, BDS, QZSS, NavIC | GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS | GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1 | 1 TB, 16 GB RAM or 512 GB, 16 GB RAM or 256 GB, 12 GB RAM UFS 4.1 | 128 GB, 4 GB RAM |
| Expandable Storage | No | No | No |
| USB OTG | Supported | Supported | Not Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Magnetic-Field Sensor (Compass) | |
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| Gyroscope Sensor | |
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| Barometer Sensor | |
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| NFC | |
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| Type | Non-removable Li-Po Battery Fast battery Charging 67W, 100% in 39 min (advertised) Power Delivery 3.0 Quick Charge 4+ |
Non-removable Si/C Battery Fast Battery Charging 90W wired, PD3.0, QC3+ 80W wireless 10W reverse wireless |
Non-removable Li-ion Battery Fast Battery Charging 33W wired |
| Capacity | 4500 mAh | 6000 mAh | 7000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
