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Xiaomi Redmi 4A
Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
  HSDPA 850 / 1700 / 1900 / 2100 - N910W8
4G Network 1, 2, 3, 4, 5, 7, 8, 17, 20 - N910F, N910C 1, 3, 4, 5, 7, 20, 38, 40
  1, 2, 3, 4, 5, 7, 8, 28, 38, 40 - N910G
  1, 2, 3, 4, 5, 7, 8, 12, 17 - N910W8
  1, 2, 3, 4, 5, 7, 8, 28 - N910U
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps (Exynos 5433)
HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps (Snapdragon 805)		 HSPA, LTE
Launch
Announced 2014, September 03. Released 2014, October 2016, November. Released 2016, November
Status Discontinued Discontinued
Body
Dimensions 153.5 x 78.6 x 8.5 mm (6.04 x 3.09 x 0.33 in) 139.9 x 70.4 x 8.5 mm (5.51 x 2.77 x 0.33 in)
3D size compare
Weight 176 g (6.21 oz) 131.5 g (4.66 oz)
Build Glass front (Gorilla Glass 4), plastic back, aluminum frame Glass front, plastic back, plastic frame
SIM Micro-SIM Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
 Stylus
Display
Type Super AMOLED IPS LCD
Size 5.7 inches, 88.5 cm2 (~73.4% screen-to-body ratio) 5.0 inches, 68.0 cm2 (~69.0% screen-to-body ratio)
Resolution 1440 x 2560 pixels, 16:9 ratio (~518 ppi density) 720 x 1280 pixels, 16:9 ratio (~296 ppi density)
Protection Corning Gorilla Glass 4
Platform
OS Android 4.4.4 (KitKat), upgradable to 6.0.1 (Marshmallow) Android 6.0.1 (Marshmallow), MIUI 10
Chipset Qualcomm APQ8084 Snapdragon 805 (28 nm)
Exynos 5433		 Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU Quad-core 2.7 GHz Krait 450 - Snapdragon 805
Octa-core (4x1.3 GHz Cortex-A53 & 4x1.9 GHz Cortex-A57) - Exynos 5433		 Quad-core 1.4 GHz Cortex-A53
GPU Adreno 420 (Snapdragon 805)
Mali-T760 MP6 (Exynos 5433)		 Adreno 308
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 32GB 3GB RAM 16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM
 eMMC 5.0 eMMC 5.1
Main Camera
Modules 16 MP, f/2.2, 31mm (standard), 1/2.6", 1.12µm, AF, OIS 13 MP, f/2.2, AF
Features LED flash, panorama, HDR LED flash, HDR, panorama
Video 4K@30fps, 1080p@30/60fps, stereo sound rec. 1080p@30fps
Selfie Camera
Modules 3.7 MP, f/1.9, 22mm (wide) 5 MP, f/2.2
Features HDR
Video 1440p@30fps
ADVERTISEMENT
Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
 24-bit/192kHz audio
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth 4.1, A2DP, EDR, LE 4.1, A2DP, LE
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
NFC Yes No
Infrared port Yes Yes
Radio No FM radio
USB microUSB 2.0 (MHL 3 TV-out), OTG microUSB 2.0
Features
Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer, gesture, UV, heart rate, SpO2 Accelerometer, gyro, proximity
 ANT+
S-Voice natural language commands and dictation
Air gestures
Battery
Type Li-Ion 3220 mAh, removable Li-Ion 3120 mAh, non-removable
Charging 15W wired, QC2
Talk time Up to 20 h (3G)
Music play Up to 82 h
Misc
Colors Frosted white, Charcoal black, Bronze Gold, Blossom Pink Gold, Rose Gold, Dark Gray
SAR 0.37 W/kg (head)     0.88 W/kg (body)     0.53 W/kg (head)     1.18 W/kg (body)    
SAR EU 0.37 W/kg (head)     0.38 W/kg (body)    
Models SM-N910C, SM-N910S, SM-N910H, SM-N910F, SM-N910G, SM-N910U, SM-N910K, SM-N916S, SM-N910L, SM-N916L, SM-N916K, SM-N910T3 2016117
Price About 350 EUR About 110 EUR
Tests
Performance Basemark OS II 2.0: 1328
Basemark X: 18684		 GeekBench: 1781 (v4.4)
Display Contrast ratio: Infinity (nominal), 4.033 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 79dB / Noise 74dB / Ring 89dB
Audio quality Noise -96.6dB / Crosstalk -94.2dB
Battery (old) Endurance rating 90h

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