Phone Comparison - Samsung Galaxy A51 vs Oppo Reno4 Pro vs Google Pixel 6a
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| Price Comparison (India) | - | ||
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| Manufacturer | Samsung | Oppo | |
| Announced | December 2019 | 2020, July 31 | 2022, May 11 |
| Status | Coming Soon - December 12, 2019 | Coming soon. Exp. release 2020, August 05 | Coming soon. Exp. release 2022, July 21 |
| Price | Rs. 23,999 ($0.00) [Similarly Priced] | Rs. 34,990 ($0.00) [Similarly Priced] | - |
| Colors | Prism Crush White, Black, Pink, Blue | White, Blue | Chalk, Charcoal, Sage |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
158.4 x 73.7 x 7.9 mm (6.24 x 2.9 x 0.31 in) |
160.2 x 73.2 x 7.7 mm (6.31 x 2.88 x 0.3 in) |
152.2 x 71.8 x 8.9 mm (5.99 x 2.83 x 0.35 in) |
| Weight | 172 g (6.07 oz) | 161 g (5.68 oz) | 178 g (6.28 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | Nano-SIM and/or eSIM |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE (unspecified) | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) | LTE1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 42, 48, 66, 71 - GX7AS, GB62Z (USA/Canada) 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 42, 48, 66, 71 - G1AZG (International) |
| 5G Network | - | - | 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA/Sub6 - GX7AS (USA/Canada) 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 40, 48, 66, 71, 77, 78, 260, 261 SA/NSA/Sub6/mmWave - GB62Z (USA) 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 40, 48, 66, 71, 77, 78 SA/NSA/Sub6 - G1AZG (International) |
| Messaging | |||
| Build Features | - Fingerprint Sensor(In-display) |
- Fingerprint Sensor (under display, optical) |
- Fingerprint Sensor (under display, optical) IP67 dust/water resistant (up to 1m for 30 mins) |
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| OS | Android 9.0 (Pie) | Android 10 | Android 12 |
| User Interface | One UI | ColorOS 7.2 | - |
| Processor | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 nm) | Octa-core (2x2.80 GHz Cortex-X1 & 2x2.25 GHz Cortex-A76 & 4x1.80 GHz Cortex-A55), Google Tensor (5 nm) |
| GPU | Mali-G72 MP3 | Adreno 618 | Mali-G78 MP20 |
| RAM | 8 GB | 8 GB | 6 GB |
| Internal Memory | 128 GB | 256 GB | 128 GB |
| External Memory | microSD, up to 512 GB (dedicated slot) | No | No |
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| Type | Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen | AMOLED Capacitive Touchscreen Corning Gorilla Glass 5 HDR10+ 90Hz refresh rate 500 nits typ. value (advertised) |
FHD+ OLED Screen HDR |
| Colors | 16M colors | 16M colors | 16M Colors |
| Size | 6.5 inches | 6.55 inches | 6.1 inches |
| Resolution | 1080 x 2340 pixels (396 ppi) | 1080 x 2400 pixels (402 ppi) | 1080 x 2400 pixels (431 ppi) |
| Screen-to-Body Ratio | 89.06% | 88.24% | 82.38% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 12 MP + 5 MP + 5 MP | 48 MP + 8 MP + 2 MP + 2 MP | 12.2 MP + 12 MP |
| Flash | LED Flash | LED flash | Dual-LED Flash |
| Features | 48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF 12 MP, f/2.2, 13mm (ultrawide) 5 MP, f/2.2, depth sensor 5 MP, f/2.4, macro camera Panorama, HDR |
48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, panorama |
12.2 MP, f/1.7, 27mm, (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS 12 MP, f/2.2, 17mm, 114˚ (ultrawide), 1.25µm Pixel Shift, Auto-HDR, panorama |
| Video | 2160p@30fps, 1080p@30fps | 4K@30fps, 1080p@30/60/120fps; gyro-EIS, OIS, HDR | 4K@30/60fps, 1080p@30/60/120/240fps; gyro-EIS, OIS |
| Front Camera |
32 MP, f/2.0, 25mm (wide) HDR 1080p@30fps [Similar] |
32 MP, f/2.4, 26mm (wide), 1/2.8", 0.8µm HDR 1080p@30fps [Similar] |
8 MP, f/2.0, 24mm (wide), 1.12µm Auto-HDR, panorama 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G |
| Bluetooth | 5.0, A2DP, LE | 5.1, A2DP, LE, aptX HD | 5.2, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 3.1 |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, QZSS, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM | 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 2.1 | 128 GB, 6 GB RAM UFS 3.1 |
| Expandable Storage | microSD, up to 512 GB (dedicated slot) | 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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| NFC | |
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| Type | Non-removable Li-Po Battery Fast battery charging 15W |
Non-removable Li-Po Battery Fast charging 65W, 60% in 15 min, 100% in 36 min (advertised) SuperVOOC 2.0W |
Non-removable Li-Po Battery Fast battery Charging 18W USB Power Delivery 3.0 |
| Capacity | 4000 mAh | 4000 mAh | 4410 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 25,250 
Rs. 34,990 
