Product
Xiaomi Redmi 3 Pro
Xiaomi Redmi 3 Pro
₹13,294
Xiaomi Redmi 8
Xiaomi Redmi 8
₹11,016
Battery
Charging 10W wired 18W wired
Type Li-Ion 4100 mAh, non-removable Li-Po 5000 mAh, non-removable
Body
Build Glass front, aluminum back, aluminum frame Glass front (Gorilla Glass 5), plastic back, plastic frame
Dimensions 139.3 x 69.6 x 8.5 mm (5.48 x 2.74 x 0.33 in) 156.5 x 75.4 x 9.4 mm (6.16 x 2.97 x 0.37 in)
SIM Nano-SIM + Micro-SIM Nano-SIM + Nano-SIM
Weight 144 g (5.08 oz) 188 g (6.63 oz)
  - Water-repellent coating
Comms
Bluetooth 4.1, A2DP 4.2, A2DP, LE
Infrared port Yes Yes
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, GALILEO, BDS
Radio FM radio Wireless FM radio (no wired headphones required)
USB microUSB 2.0 USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Protection - Corning Gorilla Glass 5
Resolution 720 x 1280 pixels, 16:9 ratio (~294 ppi density) 720 x 1520 pixels, 19:9 ratio (~270 ppi density)
Size 5.0 inches, 68.9 cm2 (~71.1% screen-to-body ratio) 6.22 inches, 96.6 cm2 (~81.8% screen-to-body ratio)
Type IPS LCD IPS LCD, 400 nits (typ)
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, proximity, compass
Launch
Announced 2016, March. Released 2016, April 2019, October 09. Released 2019, October 12
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, HDR, panorama
Single 13 MP, f/2.0, PDAF 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF 2 MP, (depth)
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (dedicated slot)
Internal 32GB 3GB RAM 32GB 3GB RAM, 64GB 4GB RAM
  eMMC 4.5 eMMC 5.1
Misc
Colors Dark Gray, Silver, Gold Onyx Black, Ruby Red, Sapphire Blue, Phantom Red
Models - M1908C3IC, MZB8255IN, M1908C3IG, M1908C3IH
SAR - 0.34 W/kg (head)     1.00 W/kg (body)    
SAR EU 1.33 W/kg (head)     0.23 W/kg (head)     1.48 W/kg (body)    
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 / 1700(AWS) / 1900 / 2100 - Global
4G bands 1, 3, 7, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 20, 38, 40 - Global
Speed HSPA, LTE, EV-DO Rev.A 3.1 Mbps HSPA, LTE
Technology GSM / CDMA / HSPA / EVDO / LTE GSM / HSPA / LTE
  CDMA2000 1xEV-DO 1, 3, 5, 8, 40, 41 - India
Our Tests
Audio quality Noise -90.6dB / Crosstalk -92.3dB -
Battery (old) Endurance rating 104h -
Camera Photo / Video -
Display Contrast ratio: 1145:1 (nominal), 2.803 (sunlight) -
Loudspeaker Voice 67dB / Noise 70dB / Ring 74dB -
Performance Basemark OS II 2.0: 5427Basemark X: 262 -
Platform
Chipset Qualcomm MSM8939v2 Snapdragon 616 (28 nm) Qualcomm SDM439 Snapdragon 439 (12 nm)
CPU Octa-core (4x1.5 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53) Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
GPU Adreno 405 Adreno 505
OS Android 5.1 (Lollipop), MIUI 7.3 Android 9.0 (Pie), upgradable to Android 10, MIUI 12
Selfie camera
Features - HDR
Single 5 MP, f/2.2 8 MP, f/2.0, 1/4.0", 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
Offers See on Amazon See on Amazon