Phone Comparison - Nothing Phone (2a) vs Nothing Phone (3a) Pro vs Xiaomi Redmi K90
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| Price Comparison (India) | - | ||
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| Manufacturer | Nothing | Nothing | Xiaomi |
| Announced | March 2024 | March 2025 | October 2025 |
| Status | Coming Soon - March 2024 | Coming Soon - March 2025 | Available - October 2025 |
| Price | Rs. 23,999 ($0.00) [Similarly Priced] | Rs. 29,999 ($0.00) [Similarly Priced] | - |
| Colors | Black, White, Milk | Black, Gray | Black, White, Blue, Purple |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
161.7 x 76.3 x 8.6 mm (6.37 x 3 x 0.34 in) |
163.5 x 77.5 x 8.4 mm (6.44 x 3.05 x 0.33 in) |
157.5 x 75.3 x 8 mm (6.2 x 2.96 x 0.31 in) |
| Weight | 190 g (6.7 oz) | 211 g (7.44 oz) | 206 g (7.27 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 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - Global HSDPA 850 / 900 / 2100 - India |
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | 1, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 39, 40, 41, 42, 66 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 40, 41, 42, 48, 66 - Global 1, 3, 5, 8, 28, 38, 40, 41 - India |
1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66 |
| 5G Network | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA | 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA - Global 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA - India |
1, 3, 5, 7, 8, 28, 66, 38, 40, 41, 48, 77, 78 SA/NSA |
| Messaging | |||
| Build Features | - Fingerprint Sensor (under display, optical) IP54 - splash, water and dust resistant 3 LED lights on the back (notifications, camera fill light) |
- Fingerprint Sensor (under display, optical) IP64 dust tight and water resistant (water splashes) 3 LED light strips on the back (notifications, camera fill light, 26 addressable zones) |
- Fingerprint Sensor (under display, optical) IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) |
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| OS | Android 14 | Android 15, up to 3 major Android upgrades | Android 16 |
| User Interface | Nothing OS 2.5 | Nothing OS 3.1 | HyperOS 3 |
| Processor | Octa-core (2x2.8 GHz Cortex-A715 & 6x 2.0 Cortex-A510), Mediatek Dimensity 7200 Pro (4 nm) | Octa-core (1x2.5 GHz Cortex-A720 & 3x2.4 GHz Cortex-A720 & 4x1.8 GHz Cortex-A520), Qualcomm SM7635 Snapdragon 7s Gen 3 (4 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) |
| GPU | Mali-G610 MC4 | Adreno 710 (940 MHz) | Adreno 830 |
| RAM | 12 GB | 12 GB | 16 GB |
| Internal Memory | 256 GB | 256 GB | 1 TB |
| External Memory | No | No | No |
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| Type | FHD+ AMOLED Screen 120Hz Refresh Rate HDR10+, 700 Nits (typ), 1100 Nits (HBM), 1300 Nits (peak) Corning Gorilla Glass 5 |
FHD+ AMOLED Screen 120Hz, HDR10+, 800 Nits (typ), 1300 Nits (HBM), 3000 Nits (peak) Panda Glass Protection |
FHD+ LTPO AMOLED Screen 2560Hz PWM, 120Hz, Dolby Vision HDR Vivid, HDR10+, 3500 Nits (peak) |
| Colors | 1B colors | 1B colors | 68B colors |
| Size | 6.7 inches | 6.77 inches | 6.59 inches |
| Resolution | 1080 x 2412 pixels (394 ppi) | 1080 x 2392 pixels (388 ppi) | 1156 x 2510 pixels (419 ppi) |
| Screen-to-Body Ratio | 87.75% | 87.37% | 89.91% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Unspecified | No | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 50 MP + 50 MP | 50 MP + 50 MP + 8 MP | 50 MP + 50 MP + 8 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 50 MP, f/1.9, (wide), 1/1.56", PDAF, OIS 50 MP, f/2.2, 114˚ (ultrawide), 1/2.76", 0.64µm Panorama, HDR |
50 MP, f/1.9, 24mm (wide), 1/1.57", 1.0µm, dual pixel PDAF, OIS 50 MP, f/2.6, 70mm (periscope telephoto) (15cm - ∞), 1/1.95", 0.8µm, PDAF, OIS, 3x optical zoom 8 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm Panorama, HDR |
50 MP, f/1.9, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS 50 MP, f/2.2, 60mm (telephoto), PDAF, 2.5x optical zoom 8 MP, f/2.2, 15mm, 120˚ (ultrawide) Color Spectrum Sensor, HDR, Panorama |
| Video | 4K@30fps, 1080p@60/120fps, gyro-EIS | 4K@30fps, 1080p@30/60/120fps, gyro-EIS, OIS | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+ |
| Front Camera |
32 MP, f/2.2, (wide), 1/2.74" HDR 1080p@60fps [Similar] |
50 MP, f/2.2, 24mm (wide), 1/2.76" 4K@30fps, 1080p@30fps [Similar] |
20 MP, (wide), 1/2.0", 0.8µm 1080p@30/60fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE-A, 5G | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Bluetooth | 5.3, A2DP, LE | 5.4, A2DP, LE | 5.4, A2DP, LE, LHDC 5.0, ASHA |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG | USB Type-C, OTG |
| GPS | GPS, GALILEO, GLONASS, BDS, QZSS | GPS, GALILEO, GLONASS, BDS, QZSS | GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS |
| 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 | 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 512 GB, 12 GB RAM or 256 GB, 12 GB RAM UFS 4.1 |
| Expandable Storage | No | No | No |
| USB OTG | Supported | Supported | 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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| NFC | |
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| Type | Non-removable Li-Po Battery Fast battery Charging 45W wired, 50% in 23 min, 100% in 1 hour |
Non-removable Li-ion Battery Fast Battery Charging 50W wired, 50% in 19 min, 100% in 56 min |
Non-removable Si/C Li-Po Battery Fast Battery Charging 100W wired, PD3.0, QC3+, 100W PPS 22.5W reverse wireless |
| Capacity | 5000 mAh | 5000 mAh | 7100 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 23,999 
