Phone Comparison - Samsung I9506 Galaxy S4 vs Samsung Galaxy A8 (2018) vs Google Pixel 3a
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| Manufacturer | Samsung | Samsung | |
| Announced | Q3 2013 | December 2017 | 2019, May |
| Status | Available - Q3 2013 | Coming Soon - January 2018 | Available. Released 2019, May |
| Price | - | Rs. 37,750 ($589.00) [Similarly Priced] | - |
| Colors | White Frost, Black Mist / Arctic Blue, Red Aurora | Black, orchid grey, gold, blue | Clearly White, Just Black, Not Pink |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in) |
149.2 x 70.6 x 8.4 mm (5.87 x 2.78 x 0.33 in) |
151.3 x 70.1 x 8.2 mm (5.96 x 2.76 x 0.32 in) |
| Weight | 130 g (4.59 oz) | 172 g (6.07 oz) | 147 g (5.19 oz) |
| SIM Type | - | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Nano-SIM |
| 2G Network | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 HSDPA | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE 800 / 850 / 900 / 1800 / 2100 / 2600 | LTE | 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), 29(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 42(3500), 46, 66(1700/2100), 71(600) |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | |
| Build Features | - | - Fingerprint Sensor - Samsung Pay - IP68 certified - dust/water proof over 1.5 meter and 30 minutes |
- Fingerprint Sensor - IP68 dust/water resistant (up to 1.5m for 30 mins) |
| Notification LED | - | Yes | Yes |
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| OS | Android OS, v4.2.2 (Jelly Bean) | Android 7.1.1 (Nougat) | Android 9.0 (Pie) |
| Processor | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 | Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53), Exynos 7885 Octa | Octa-Core (2 x 2GHz Kryo 360 + 6 x 1.7GHz Kryo 360), Qualcomm SDM670 Snapdragon 670 |
| GPU | Adreno 330 | Mali-G71 | Adreno 615 |
| RAM | 2 GB | 4 GB | 4 GB |
| Internal Memory | 16/32 GB | 32/64 GB | 32/64 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 256 GB (dedicated slot) | No |
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| Type | Super AMOLED capacitive touchscreen | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass (unspecified Version) | P-OLED Capacitive Touchscreen, Corning Gorilla Glass 5 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.6 inches | 5.6 inches |
| Resolution | 1080 x 1920 pixels (441 ppi) | 1080 x 2220 (441 ppi) | 1080 x 2220 pixels (441 ppi) |
| Screen-to-Body Ratio | 72.15% | 75.51% | 74.99% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM radio | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | 16 MP | 12.2 MP |
| Flash | LED flash | LED Flash | Dual-LED Flash |
| Features | Auto focus, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR | Phase Detection Autofocus, f/1.7, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | 12.2 MP, f/1.8, 28mm (wide), 1/2.55", 1.4µm, OIS, dual pixel PDAF Auto-HDR, Panorama |
| Video | Yes, 1080p@30fps, dual-video rec. | 1080p@30fps | 2160p@30fps, 1080p@30/60/120fps, 720p@240fps, 1080p@30fps (gyro-EIS) |
| Front Camera | Yes, 2 MP,1080p@30fps, dual video call [Similar] | Dual 16 MP + 8 MP, f/1.9, 1080p [Similar] |
8 MP, f/1.8, 28mm PDAF No AF, Auto-HDR, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat11 600/75 Mbps, VoLTE | HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat16 1024/75 Mbps |
| Bluetooth | Yes, v4.0 with A2DP, EDR, LE | 5.0, A2DP, EDR, LE | 5.0, A2DP, LE, aptX HD |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot |
| USB | Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host | 2.0, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Browser | HTML5 | HTML5 | Yes |
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| Internal | 16/32 GB, 2 GB RAM | 32/64 GB, 4 GB RAM | 32/64 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 256 GB (dedicated slot) | No |
| USB OTG | Supported | Not Supported | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Barometer Sensor | |
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| NFC | |
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| Type | Li-Ion Battery | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery Fast Battery Charging 18W |
| Capacity | 2600 mAh | 3000 mAh | 3000 mAh |
| Stand by | Up to 370 h (3G) | - | - |
| Talk Time | Up to 17 h (3G) | - | - |
