Phone Comparison - Xiaomi Redmi 4A vs Xiaomi Redmi 5a vs Xiaomi Redmi K40 Gaming
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| Manufacturer | Xiaomi | Xiaomi | Xiaomi |
| Announced | November 2016 | October 2017 | April 2021 |
| Status | Available - November 2016 | Available - October 2017 | Coming Soon - April 2021 |
| Price | Rs. 5,999 ($92.00) [Similarly Priced] | Rs. 4,999 ($90.00) [Similarly Priced] | - |
| Colors | Gold, Rose Gold, Dark Gray | Gold, Rose Gold, Gray | Black, Gray, Silver, Bruce Lee Yellow |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
139.5 x 70.4 x 8.5 mm (5.49 x 2.77 x 0.33 in) |
140.4 x 70.1 x 8.4 mm (5.53 x 2.76 x 0.33 in) |
161.9 x 76.9 x 8.3 mm (6.37 x 3.03 x 0.33 in) |
| Weight | 131.5 g (4.62.0.18 oz) | 137 g (4.83 oz) | 205 g (7.23 oz) |
| SIM Type | Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) | Hybrid Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1x |
| 3G Network | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) | 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42 |
| 5G Network | - | - | 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | |
| Build Features | - Metal Body - Infrared Sensor |
- | - Fingerprint Sensor (side-mounted) Physical pop-up gaming triggers IP53, dust and splash protection |
| Notification LED | - | Yes | - |
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| OS | Android OS, v6.0.1 (Marshmallow) | Android 7.1 (Nougat) | Android 11 |
| User Interface | MIUI 8 | MIUI 9 | MIUI 12.5 |
| Processor | Quad-core 1.4 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425 | Quad-core 1.4 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425 | Octa-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55), MediaTek MT6893 Dimensity 1200 5G (6 nm) |
| GPU | Adreno 308 | Adreno 308 | Mali-G77 MC9 |
| RAM | 2 GB | 2 GB | 12 GB |
| Internal Memory | 16 GB | 16 GB | 256 GB |
| External Memory | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 256 GB (uses SIM 2 slot) | No |
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| Type | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen | FHD+ OLED Screen 120Hz Refresh Rate HDR10+ 500 nits (typ) Corning Gorilla Glass 5 |
| Colors | 16M colors | 16M colors | 1B colors |
| Size | 5.0 inches | 5.0 inches | 6.67 inches |
| Resolution | 720 x 1280 pixels (294 ppi) | 720 x 1280 pixels (294 ppi) | 1080 x 2400 pixels (395 ppi) |
| Screen-to-Body Ratio | 70.04% | 69.89% | 86.09% |
| 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, 4160 x 3120 pixels | 13 MP | 64 MP + 8 MP + 2 MP |
| Flash | LED Flash | LED Flash | Dual-LED Flash |
| Features | Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama | Autofocus, f/2.2, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama | 64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF 8 MP, f/2.2, 120Ë (ultrawide) 2 MP, f/2.4, (macro) HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR |
| Front Camera | 5 MP, f/2.2, 1080p@30fps [Similar] | 5 MP, f/2.0 [Similar] |
16 MP HDR 1080p@30fps, 720p@120fps, HDR [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE, EV-DO Rev.A 3.1 Mbps, VoLTE | HSPA, LTE, VoLTE | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Bluetooth | v4.1, A2DP | 4.1, A2DP, LE | 5.2, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0 | microUSB 2.0 | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC |
| Browser | HTML5 | HTML5 | Yes |
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| Internal | 16 GB, 2 GB RAM | 16 GB, 2 GB RAM | 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 12 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 3.1 |
| Expandable Storage | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 256 GB (uses SIM 2 slot) | 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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| Barometer Sensor | |
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| NFC | |
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| Type | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery | Non-removable Li-Po Battery Fast battery charging 67W, 100% in 42 min (advertised) Power Delivery 3.0 Quick Charge 3+ |
| Capacity | 3120 mAh | 3000 mAh | 5065 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
