Phone Comparison - Samsung I9300 Galaxy S III (S3) vs Samsung Galaxy A7 (2016) vs Xiaomi Redmi K80
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| Manufacturer | Samsung | Samsung | Xiaomi |
| Announced | May 2012 | December 2015 | November 2024 |
| Status | Available - May 2012 | Available - February 2016 | Available - November 2024 |
| Price | - | Rs. 25,900 ($380.88) [Similarly Priced] | - |
| Colors | Blue, White | Black, White, Gold, Pink Gold | Black, White, Mint, Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
136.6 x 70.6 x 8.6 mm (5.38 x 2.78 x 0.34 in) |
151.5 x 74.1 x 7.3 mm (5.96 x 2.92 x 0.29 in) |
160.3 x 75 x 8.1 mm (6.31 x 2.95 x 0.32 in) |
| Weight | 133 g (4.69 oz) | 172 g (6.07 oz) | 206 g (7.27 oz) |
| SIM Type | - | - | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 2100 CDMA2000 1x |
| 4G Network | LTE (regional) | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) | 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 |
| 5G Network | - | - | 1, 3, 5, 7, 8, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | |
| Build Features | - | - Corning Gorilla Glass 4 | - Fingerprint Sensor (under display, ultrasonic) IP68 dust/water resistant (up to 2.5m for 30 min) |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v5.1.1 (Lollipop), upgradable to v6.0.1 (Marshmallow) | Android 15 |
| Processor | Quad-core 1.4 GHz Cortex-A9, Exynos 4212 Quad | Octa-core (4x1.2 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53) Octa-core 1.6 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 Exynos 7580 Octa |
Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520), Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) |
| GPU | Mali-400MP | Adreno 405 Mali-T720MP2 |
Adreno 750 |
| RAM | 1 GB | 3 GB | 16 GB |
| Internal Memory | 16/32/64 GB storage | 16 GB | 1 TB |
| External Memory | microSD, up to 64 GB | microSD, up to 128 GB | No |
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| Type | Super AMOLED capacitive touchscreen | Super AMOLED capacitive touchscreen | QHD+ OLED Screen 120Hz, Dolby Vision, HDR10+, 1800 Nits (HBM), 3200 Nits (peak) Corning Gorilla Glass 7i |
| Colors | 16M colors | 16M colors | 68B colors |
| Size | 4.8 inches | 5.5 inches | 6.67 inches |
| Resolution | 720 x 1280 pixels (306 ppi) | 1080 x 1920 pixels (401 ppi) | 1440 x 3200 pixels (526 ppi) |
| Screen-to-Body Ratio | 65.84% | 74.11% | 89.37% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio with RDS; recording | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 13 MP, 4128 x 3096 pixels | 50 MP + 8 MP |
| Flash | LED flash | LED flash | LED Flash |
| Features | Auto focus, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, f/1.9 aperture, Optical Image Stabilization, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | 50 MP, f/1.6, 24mm (wide), 1/1.55", 1.0µm, dual pixel PDAF, OIS 8 MP, (ultrawide) HDR, Panorama |
| Video | Yes, 1080p@30fps | 1080p@30fps | 8K@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS |
| Front Camera | Yes, 1.9 MP, 720p@30fps [Similar] | 5 MP, f/1.9, 1080p [Similar] |
20 MP, (wide) HDR 1080p@30/60fps, gyro-EIS [Similar] |
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| GPRS | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes | Yes |
| Edge | Class 12 | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA, LTE, 5G |
| Bluetooth | Yes, v4.0 with A2DP, EDR | v4.1, A2DP, EDR, LE | 5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless, LHDC 5 |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct |
| USB | Yes, microUSB v2.0 (MHL), USB On-the-go | microUSB v2.0, USB OTG | USB Type-C, OTG |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS/ BDS (market dependant) | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| Browser | HTML, Adobe Flash | HTML5 | Yes |
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| Internal | 16/32/64 GB storage, 1 GB RAM | 16 GB, 3 GB RAM | 1 TB, 16 GB RAM or 512 GB, 16 GB RAM or 512 GB, 12 GB RAM or 256 GB, 16 GB RAM or 256 GB, 12 GB RAM UFS 4.0 |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 128 GB | 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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| NFC | |
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| Type | Standard battery, Li-Ion | Li-Po Battery | Non-removable Si/C Battery Fast Battery Charging 90W wired, PD3.0, QC3+ |
| Capacity | 2100 mAh | 3300 mAh | 6550 mAh |
| Stand by | Up to 830Hr (2G)/up to 770Hr hours (3G) | Up to 78 h | - |
| Talk Time | Up to 1350Min (2G)/up to 700Min hours (3G) | Up to 17 h (3G) | - |
