Phone Comparison - Samsung Galaxy A20s vs Samsung Galaxy A51 vs Google Pixel 7a
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| Price Comparison (India) | - | ||
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| Manufacturer | Samsung | Samsung | |
| Announced | September 2019 | December 2019 | 2023, May 10 |
| Status | Coming Soon - October 2019 | Coming Soon - December 12, 2019 | Available. Released 2023, May 10 |
| Price | Rs. 11,999 ($0.00) [Similarly Priced] | Rs. 23,999 ($0.00) [Similarly Priced] | Rs. 43,999 ($0.00) [Similarly Priced] |
| Colors | Green, Black, Red | Prism Crush White, Black, Pink, Blue | Arctic Blue, Carbon, Cotton |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
163.3 x 77.5 x 8 mm (6.43 x 3.05 x 0.31 in) |
158.4 x 73.7 x 7.9 mm (6.24 x 2.9 x 0.31 in) |
152 x 72.9 x 9 mm (5.98 x 2.87 x 0.35 in) |
| Weight | 183 g (6.46 oz) | 172 g (6.07 oz) | 193.5 g (6.81.0.18 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Nano-SIM and 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 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) | LTE (unspecified) | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71 - GWKK3, G0DZQ 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 21, 25, 28, 32, 38, 39, 40, 41, 42, 66 - GHL1X, G82U8 |
| 5G Network | - | - | 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 28, 30, 38, 41, 48, 66, 71, 77, 78 SA/NSA/Sub6 - GWKK3 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 28, 30, 38, 41, 48, 66, 71, 77, 78, 260, 261 SA/NSA/Sub6/mmWave - G0DZQ 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 76, 77, 78, 79 SA/NSA/Sub6 - GHL1X, G82U8 |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor(In-display) |
- Fingerprint Sensor (under display, optical) IP67 dust/water resistant (up to 1m for 30 min) |
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| OS | Android 9.0 (Pie) | Android 9.0 (Pie) | Android 13 |
| User Interface | One UI | One UI | - |
| Processor | Octa-core 1.8 GHz Cortex-A53, Qualcomm SDM450 Snapdragon 450 (14 nm) | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) | Octa-core (2x2.85 GHz Cortex-X1 & 2x2.35 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55), Google Tensor G2 (5 nm) |
| GPU | Adreno 506 | Mali-G72 MP3 | Mali-G710 MP7 |
| RAM | 4 GB | 8 GB | 6 GB |
| Internal Memory | 64 GB | 128 GB | 128 GB |
| External Memory | microSD, up to 512 GB (dedicated slot) | microSD, up to 512 GB (dedicated slot) | No |
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| Type | HD+ IPS LCD Capacitive Touchscreen | Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen | FHD+ OLED Screen HDR 90Hz Refresh Rate Corning Gorilla Glass |
| Colors | 16M colors | 16M colors | 16M Colors |
| Size | 6.4 inches | 6.5 inches | 6.1 inches |
| Resolution | 720 x 1560 pixels (268 ppi) | 1080 x 2340 pixels (396 ppi) | 1080 x 2400 pixels (431 ppi) |
| Screen-to-Body Ratio | 79.72% | 89.06% | 81.24% |
| 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 | 13 MP + 8 MP + 5 MP | 48 MP + 12 MP + 5 MP + 5 MP | 64 MP + 13 MP |
| Flash | LED Flash | LED Flash | Dual-LED Flash |
| Features | 13 MP, f/1.8, PDAF 8 MP, f/2.2, 13mm (ultrawide) 5 MP, f/2.2, depth sensor Panorama, HDR |
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 |
64 MP, f/1.9, 26mm (wide), 1/1.73", 0.8µm, Dual Pixel PDAF, OIS 13 MP, f/2.2, 120˚ (ultrawide), 1.12µm Pixel Shift, Auto-HDR, Panorama |
| Video | 1080p@30fps | 2160p@30fps, 1080p@30fps | 4K@30/60fps, 1080p@30/60/120/240fps; gyro-EIS, OIS |
| Front Camera | 8 MP, f/2.0, 1/4", 1.12µm, 1080p@30fps [Similar] |
32 MP, f/2.0, 25mm (wide) HDR 1080p@30fps [Similar] |
13 MP, f/2.2, 20mm (ultrawide), 1.12µm Auto-HDR, panorama 4K@30fps, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE-A | HSPA, LTE-A | HSPA, LTE-A (CA), 5G |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | 5.2, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, 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 |
| USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 3.1 |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS, QZSS |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 4 GB RAM or 32 GB, 3 GB RAM | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM | 128 GB, 6 GB RAM UFS 3.1 |
| Expandable Storage | microSD, up to 512 GB (dedicated slot) | microSD, up to 512 GB (dedicated slot) | 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 15W |
Non-removable Li-Po Battery Fast battery charging 15W |
Non-removable Li-Po Battery Fast battery Charging 18W, PD3.0 |
| Capacity | 4000 mAh | 4000 mAh | 4385 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 25,250 
Rs. 43,999 
