Product
Xiaomi Redmi Note 7
Xiaomi Redmi Note 7
₹12,999
Xiaomi Mi A3
Xiaomi Mi A3
₹14,999
Battery
Charging 18W wired, QC4 18W wired, QC3
Type Li-Po 4000 mAh, non-removable Li-Po 4030 mAh, non-removable
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Dimensions 159.2 x 75.2 x 8.1 mm (6.27 x 2.96 x 0.32 in) 153.5 x 71.9 x 8.5 mm (6.04 x 2.83 x 0.33 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 186 g (6.56 oz) 173.8 g (6.14 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE, aptX HD
Infrared port Yes Yes
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio FM radio, recording FM radio
USB USB Type-C 2.0 USB Type-C 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 5 Corning Gorilla Glass 5
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density) 720 x 1560 pixels, 19.5:9 ratio (~282 ppi density)
Size 6.3 inches, 97.4 cm2 (~81.4% screen-to-body ratio) 6.09 inches, 91.0 cm2 (~82.5% screen-to-body ratio)
Type IPS LCD Super AMOLED
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2019, January 10. Released 2019, February 28 2019, July 17. Released 2019, July 24
Status Discontinued Discontinued
Main Camera
Dual 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 5 MP, f/2.2, (depth) or 12 MP, f/2.2, (wide), 1/2.9", 1.25µm, PDAF 2 MP, f/2.4, (depth) -
Features Dual-LED flash, HDR, panorama LED flash, HDR, panorama
Triple - 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (depth)
Video 1080p@30/60/120fps, (gyro-EIS) 4K@30fps, 1080p@30/60/120fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 32GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
  eMMC 5.1 UFS 2.1
Misc
Colors Blue, Black, Twilight Gold, White Kind of Gray, Not just Blue, More than White
Models M1901F7G, M1901F7H, M1901F7I M1906F9SH, M1906F9SI
SAR 1.15 W/kg (head)     1.17 W/kg (body)     0.53 W/kg (head)     0.72 W/kg (body)    
SAR EU 0.59 W/kg (head)     1.27 W/kg (body)     0.30 W/kg (head)     1.10 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global HSDPA 850 / 900 / 1700 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40 - Global 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat12 600/150 Mbps HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  1, 3, 5, 7, 8, 34, 38, 39, 40, 41 -
Our Tests
Audio quality Noise -90.7dB / Crosstalk -94.5dB Noise -93.7dB / Crosstalk -93.0dB
Battery (old) Endurance rating 108h Endurance rating 101h
Camera Photo / Video Photo / Video
Display Contrast ratio: 1338:1 (nominal), 2.893 (sunlight) 363 nits max brightness (measured)
Loudspeaker Voice 69dB / Noise 71dB / Ring 90dB Voice 74dB / Noise 74dB / Ring 81dB
Performance AnTuTu: 139075 (v7) GeekBench: 5411 (v4.4) GFXBench: 7.7fps (ES 3.1 onscreen) Basemark OS II 2.0: 2345Basemark X: 17948
Platform
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm) Qualcomm SDM665 Snapdragon 665 (11 nm)
CPU Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU Adreno 512 Adreno 610
OS Android 9.0 (Pie), planned upgrade to Android 10, MIUI 12 Android 9.0 (Pie), upgradable to Android 11, Android One
Selfie camera
Features HDR HDR
Single 13 MP, f/2.0, (wide), 1/3.1", 1.12µm 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
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