Product
Xiaomi Redmi 3
Xiaomi Redmi 3
Xiaomi Redmi Note 7 Pro
Xiaomi Redmi Note 7 Pro
Battery
Charging 10W wired 18W wired, QC4
Type Li-Ion 4100 mAh, non-removable Li-Po 4000 mAh, non-removable
Body
Build Glass front, aluminum back, aluminum frame Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Dimensions 139.3 x 69.6 x 8.5 mm (5.48 x 2.74 x 0.33 in) 159.2 x 75.2 x 8.1 mm (6.27 x 2.96 x 0.32 in)
SIM Nano-SIM + Micro-SIM Nano-SIM + Nano-SIM
Weight 144 g (5.08 oz) 186 g (6.56 oz)
Comms
Bluetooth 4.1, A2DP 5.0, A2DP, LE
Infrared port Yes Yes
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio FM radio FM radio, recording
USB microUSB 2.0 USB Type-C 2.0
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection - Corning Gorilla Glass 5
Resolution 720 x 1280 pixels, 16:9 ratio (~294 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Size 5.0 inches, 68.9 cm2 (~71.1% screen-to-body ratio) 6.3 inches, 97.4 cm2 (~81.4% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2016, January. Released 2016, January 2019, February 28. Released 2019, March 18
Status Discontinued Discontinued
Main Camera
Dual - 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 5 MP, f/2.4, (depth)
Features LED flash, HDR, panorama Dual-LED flash, HDR, panorama
Single 13 MP, f/2.0, PDAF -
Video 1080p@30fps 4K@30fps, 1080p@30/60/120fps, (gyro-EIS)
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 16GB 2GB RAM, 32GB 3GB RAM 64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM
  eMMC 4.5 eMMC 5.1
Misc
Colors Gold, Dark Gray, Silver, Classic Gold Nebula Red, Neptune Blue, Space Black, Astro White
Models 2015816 M1901F7S
SAR 0.90 W/kg (head)     0.56 W/kg (body)     0.96 W/kg (head)     0.84 W/kg (body)    
SAR EU 1.33 W/kg (head)     -
Network
2G bands GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 7, 38, 39, 40, 41 1, 3, 5, 7, 8, 40, 41
Speed HSPA, LTE, EV-DO Rev.A 3.1 Mbps HSPA 42.2/5.76 Mbps, LTE (3CA) Cat9 450/50 Mbps
Technology GSM / CDMA / HSPA / EVDO / LTE GSM / HSPA / LTE
  CDMA2000 1xEV-DO -
Our Tests
Battery (old) Endurance rating 107h -
Camera Photo / Video -
Performance - AnTuTu: 180754 (v7), 215308 (v8) GeekBench: 6620 (v4.4), 1624 (v5.1) GFXBench: 7.9fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm MSM8939v2 Snapdragon 616 (28 nm) Qualcomm SDM675 Snapdragon 675 (11 nm)
CPU Octa-core (4x1.5 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53) Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
GPU Adreno 405 Adreno 612
OS Android 5.1 (Lollipop), MIUI 7 Android 9.0 (Pie), upgradable to Android 10, MIUI 12
Selfie camera
Features - HDR
Single 5 MP, f/2.2 13 MP, (wide), 1/3.1", 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes