Phone Comparison - Samsung Galaxy S20 5G vs Oppo A78 4G vs Samsung Galaxy A15 5G
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| Manufacturer | Samsung | Oppo | Samsung |
| Announced | 2020, February 11 | July 2023 | December 2023 |
| Status | Coming soon. Exp. release 2020, March 6 | Available - July 2023 | Coming Soon - December 2023 |
| Colors | Cosmic Grey, Cloud Blue, Cloud Pink | Mist Black, Aqua Green | Black, Personality Yellow, Fantasy Blue, Optimistic Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
151.7 x 69.1 x 7.9 mm (5.97 x 2.72 x 0.31 in) |
160 x 73.2 x 7.9 mm (6.3 x 2.88 x 0.31 in) |
160.1 x 76.8 x 8.4 mm (6.3 x 3.02 x 0.33 in) |
| Weight | 163 g (5.75 oz) | 180 g (6.35 oz) | 200 g (7.05 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only) CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual sim model only) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | 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) | LTE | LTE |
| 5G Network | 5G band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 40(2300), 77(3700), 78(3500); SA/NSA/Sub6/mmWave | - | SA/NSA |
| Messaging | |||
| Build Features | - Fingerprint Sensor(In-display) Samsung Pay (Visa, MasterCard certified) IP68 dust/water resistant (up to 1.5m for 30 mins) |
- Fingerprint Sensor IP54, dust and splash resistant |
- Fingerprint Sensor (side-mounted) |
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| OS | Android 10.0 | Android 13 | Android 14 |
| User Interface | One UI 2.0 | ColorOS 13.1 | One UI 6 |
| Processor | Octa-core (2x2.73 GHz Mongoose M5 & 2x2.60 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) - Global Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585) - USA, Exynos 990 (7 nm+) - Global Qualcomm SM8250 Snapdragon 865 (7 nm+) - USA |
Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver), Qualcomm SM6225 Snapdragon 680 4G (6 nm) | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), Mediatek Dimensity 6100+ (6 nm) |
| GPU | Mali-G77 MP11 - Global Adreno 650 - USA |
Adreno 610 | Mali-G57 MC2 |
| RAM | 12 GB | 8 GB | 8 GB |
| Internal Memory | 128 GB | 256 GB | 256 GB |
| External Memory | microSD, up to 1 TB | microSDXC | microSDXC |
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| Type | Dynamic AMOLED Capacitive Touchscreen Corning Gorilla Glass 6 HDR10+ Always-on display 120Hz |
FHD+ AMOLED Screen 90Hz Refresh Rate 430 Nits, Corning Gorilla Glass 5 |
FHD+ Super AMOLED Screen 90Hz Refresh Rate 800 Nits (HBM) |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.2 inches | 6.43 inches | 6.5 inches |
| Resolution | 1440 x 3200 pixels (566 ppi) | 1080 x 2400 pixels (409 ppi) | 1080 x 2340 pixels (396 ppi) |
| Screen-to-Body Ratio | 88.53% | 85.35% | 84.56% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio (USA & Canada only) | No | Unspecified |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 64 MP + 12 MP + 12 MP | 50 MP + 2 MP | 50 MP + 5 MP + 2 MP |
| Flash | LED flash | LED Flash | LED Flash |
| Features | 12 MP, (wide), Dual Pixel PDAF, OIS 64 MP, (telephoto), PDAF, OIS, 3x optical zoom 12 MP, (ultrawide), 1/1.26", 0.7µm, AF, Super Steady video TOF 3D camera auto-HDR, panorama |
50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (depth) HDR, Panorama |
50 MP, f/1.8, (wide), AF 5 MP, f/2.2, (ultrawide) 2 MP, f/2.4, (macro) Panorama, HDR |
| Video | 3240p@30fps, 2160p@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, dual-video rec., stereo sound rec., gyro-EIS & OIS | 1080p@30fps | 1080p@30fps |
| Front Camera |
10 MP, f/1.9, 26mm (wide), 1/3", 1.22µm, Dual Pixel PDAF Dual video call, Auto-HDR 2160p@30fps, 1080p@30fps [Similar] |
8 MP, f/2.0, (wide) 1080p@30fps [Similar] |
13 MP, f/2.0, (wide) 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A (7CA) Cat20 2000/150 Mbps; 5G (2+ Gbps DL) | HSPA, LTE | HSPA, LTE, 5G |
| Bluetooth | 5.0, A2DP, LE, aptX | 5.0, A2DP, LE | Yes |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/ax, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Yes |
| USB | 3.2, Type-C 1.0 reversible connector | USB Type-C 2.0, OTG | USB Type-C 2.0 |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | GPS, GALILEO, GLONASS, BDS | GPS, GALILEO, GLONASS, BDS, QZSS |
| Browser | Yes | Yes | Yes |
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| Internal | 128 GB, 12 GB RAM | 256 GB, 8 GB RAM or 128 GB, 8 GB RAM | 256 GB, 8 GB RAM |
| Expandable Storage | microSD, up to 1 TB | microSDXC | microSDXC |
| 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 25W USB Power Delivery 3.0 Fast Qi/PMA wireless charging 15W Power bank/Reverse wireless charging 9W |
Li-Po Non-removable 67W wired, PD, 76% in 30 min |
Non-removable Li-Po Battery Fast battery Charging 25W |
| Capacity | 4000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
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