Phone Comparison - Oppo A57 vs Nothing Phone (4a) Pro vs Xiaomi 17T
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| Price Comparison (India) | - | - | |
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| Manufacturer | Oppo | Nothing | Xiaomi |
| Announced | November 2016 | March 2026 | May 2026 |
| Status | Available - January 2017 | Available - March 2026 | Available - May 2026 |
| Price | Rs. 14,990 ($240.00) [Similarly Priced] | Rs. 39,999 ($0.00) [Similarly Priced] | Rs. 59,999 ($0.00) [Similarly Priced] |
| Colors | Gold, Rose Gold | Black, Silver, Pink | Violet, Blue, Opal White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
149.1 x 72.9 x 7.65 mm (5.87 x 2.87 x 0.3 in) |
163.7 x 76.6 x 8 mm (6.44 x 3.02 x 0.31 in) |
157.6 x 75.2 x 8.2 mm (6.2 x 2.96 x 0.32 in) |
| Weight | 147 g (5.19 oz) | 210 g (7.41 oz) | 200 g (7.05 oz) |
| SIM Type | Dual-SIM | - | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1xEV-DO - A59m |
GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - International HSDPA 850 / 900 / 2100 - India |
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 40, 41, 42, 48, 66, 71 - International 1, 3, 5, 8, 28, 38, 40, 41 - India |
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 34, 38, 39, 40, 41, 42, 48, 66, 71 |
| 5G Network | - | 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA - International 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA - India |
1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 34, 38, 39, 40, 41, 48, 66, 71, 75, 77, 78 SA/NSA |
| Messaging | SMS, MMS, Push Mail, EMail | ||
| Build Features | - Fingerprint Sensor - Metal Build - 2.5D Curved Glass | - Fingerprint Sensor IP65 dust tight and water resistant (low pressure water jets) Manufacturer-rated water-resistant (up to 25cm for 20 min) 137 individually addressable mini-LEDs Aircraft-grade aluminium unibody |
- Fingerprint Sensor (under display, optical) IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) |
| Notification LED | Yes | - | - |
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| OS | Android OS, v6.0 (Marshmallow) | Android 16, up to 3 major Android upgrades | Android 16 |
| User Interface | ColorOS 3.0 | Nothing OS 4.1 | HyperOS 3 |
| Processor | Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8940 Snapdragon 435 | Octa-core (1x2.8 GHz Cortex-720 & 4x2.4 GHz Cortex-720 & 3x1.8 GHz Cortex-520), Qualcomm SM7750-AB Snapdragon 7 Gen 4 (4 nm) | Octa-core (1x3.4 GHz Cortex-A725 & 3x3.2 GHz Cortex-A725 & 4x2.2 GHz Cortex-A725), Mediatek Dimensity 8500 Ultra (4 nm) |
| GPU | Adreno 505 | Adreno 722 | Mali-G720 MC8 |
| RAM | 3 GB | 12 GB | 12 GB |
| Internal Memory | 32 GB | 256 GB | 512 GB |
| External Memory | microSD, up to 128 GB (uses SIM 2 slot) | No | No |
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| Type | IPS LCD capacitive touchscreen | FHD+ AMOLED Screen, 144Hz 2160Hz PWM, HDR10+, 800 Nits (typ) 1600 Nits (HBM), 5000 Nits (peak) Corning Gorilla Glass 7i, Mohs Level 5 |
FHD+ AMOLED Screen, 120Hz, 3840Hz PWM Dolby Vision, HDR10+, 3500 Nits (peak) Corning Gorilla Glass 7i, Mohs Level 5 |
| Colors | 16M colors | 1B colors | 68B colors |
| Size | 5.2 inches | 6.83 inches | 6.59 inches |
| Resolution | 720 x 1280 pixels (282 ppi) | 1260 x 2800 pixels (450 ppi) | 1268 x 2756 pixels (460 ppi) |
| Screen-to-Body Ratio | 68.79% | 89.64% | 89.90% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | No | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP | 50 MP + 50 MP + 8 MP | 50 MP + 50 MP + 12 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama | 50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS 50 MP, f/2.9, 80mm (periscope telephoto), 1/2.75", 0.64µm, PDAF, OIS, 3.5x optical zoom 8 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm Panorama, Ultra XDR |
50 MP, f/1.7, 23mm (wide), 1/1.55", 1.0µm, PDAF (9cm - ∞), OIS 50 MP, f/3.0, 115mm (periscope telephoto), 1/2.76", 0.64µm, PDAF (30cm - ∞), OIS, 5x optical zoom 12 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/3.06", 1.12µm Leica Lens, Color Spectrum Sensor, Ultra HDR, HDR, Panorama |
| Video | 1080p@30fps | 4K@30fps, 1080p@30/60/120fps, gyro-EIS, OIS, Dolby Vision HDR, Ultra XDR | 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, 10-bit Rec. 2020, HDR10+, Log |
| Front Camera | 16 MP [Similar] |
32 MP, f/2.2, 22mm (wide), 1/3.42", 0.64µm 1080p@30fps [Similar] |
32 MP, f/2.2, 21mm (wide), 1/3.42", 0.64µm HDR 4K@30fps, 1080p@30/60fps, HDR10+ [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE, VoLTE | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Bluetooth | v4.1, A2DP | 5.4, A2DP, LE | 6.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct |
| USB | microUSB v2.0, USB Host | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| GPS | Yes, with A-GPS | GPS, GALILEO, GLONASS, BDS, QZSS | GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS |
| Browser | HTML5 | Yes | Yes |
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| Internal | 32 GB, 3 GB RAM | 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1 | 512 GB, 12 GB RAM or 256 GB, 12 GB RAM UFS 4.1 |
| Expandable Storage | microSD, up to 128 GB (uses SIM 2 slot) | 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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| NFC | |
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| Type | Non-removable Li-Ion Battery | Non-removable Li-ion Battery Fast Battery Charging 50W wired, 50% in 22 min, 100% in 64 min 7.5W reverse wired |
Non-removable Si/C Li-Ion Battery Fast Battery Charging 67W wired, 50W PPS, PD3.0 22.5W reverse wired |
| Capacity | 2900 mAh | 5400 mAh | 6500 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 39,999 
