Xiaomi Mi4 16GB  Xiaomi Redmi 3S Prime 
Xiaomi Mi4 16GB Xiaomi Redmi 3S Prime
Buy Now N/A Buy
Excellence Score
N/A
25.4
Value for Money Score
N/A
68.5
Price N/A Rs. 10,390 onwards
Launch Date (India) Feb, 2015 Aug, 2016
Expected Launch Date N/A N/A
Smartphone OS Android 4.4, Upgradeable to 6.0 Android 6.0, Upgradeable to 7.0
Touchscreen Yes (Capacitive) Yes (Capacitive)
Screen Size 5 inches 5 inches
Screen Resolution 1080x1920 pixels (~ 441 pixels per inch) 720x1280 pixels (~ 294 pixels per inch)
Display Features IPS LCD, Scratch Resistant (Corning Gorilla Glass 3), One Glass Solution IPS LCD, Reading Mode
Full Physical QWERTY Keypad
Processor 2.5 GHz 1.4 GHz
Processor Type Quad Core Octa Core
Processor Name Qualcomm MSM8974AC Snapdragon 801 Qualcomm Snapdragon 430
GPU Adreno 330 Adreno 505
RAM 3 GB 3 GB
3G Yes Yes
4G Yes
VoLTE Yes
WiFi Yes Yes
GPS Yes Yes
Bluetooth Yes Yes
USB Yes Yes
Camera 13.0 MP 13.0 MP
Camera Auto-Focus Yes Yes
Camera Flash Yes Yes
HD Video Recording Yes (4K) Yes (Full HD)
Other Camera Features Sony Exmor RS Stacked Image Sensor, 6-element Lens, F/1.8 Aperture, Maximum Auto Focus time 0.3 seconds, Blue Glass Infrared Filter, Intelligent High Dynamic Flash, Real-time HDR, Panorama Mode, Burst Mode, Tracking Auto Focus, Magic Focus Phase-Detection Auto-Focus, 12 Real-time Filters, Countdown Timer, Manual Mode, 5-piece Lens, F/2.0 Aperture
Secondary Camera 8.0 MP 5.0 MP
Secondary Camera Features Exmor RS Back-Illuminated Image Sensor, 80 Degree Wide Angle 5-element Lens, F/1.8 Aperture, Next-gen Beauty app built-in, Full HD Video Recording F/2.2 Aperture, Full HD Video Recording, Beautify, 36 Smart Beautify Profiles, Face Recognition
Internal Memory 16 GB 32 GB
Expandable Memory Slot up to 128 GB
Contacts Storage Unlimited Unlimited
SMS Storage Unlimited Unlimited
Music Player Yes Yes
FM Radio Yes Yes
Dual SIM GSM+GSM (Hybrid SIM slot)
Thickness 8.9 mm 8.5 mm
Weight 149 gm 144 gm
Battery Capacity 3080 mAh 4100 mAh
Battery Standby 280 hrs N/A
Battery Standby (3G) N/A N/A
Battery Talktime N/A N/A
Battery Talktime (3G) N/A N/A
Other Battery Parameters N/A Gaming: up to 15 hrs, Music Playback Time: up to 121 hrs, Reading Time: up to 39 hrs, Video Playback Time: up to 17 hrs
Fingerprint sensor Yes
Other Features USB On-The-Go; WiFi Direct; Infrared Blaster (Remote Control); WiFi Display; WiFi Dual Band; Noise Filtration WiFi Display; WiFi Direct; Noise Filtration
2-minute Review [Positives]
  • Excellent build quality
  • Rich choice of rear covers
  • Bright, vivid display, with good sunlight legibility
  • Sleek and friendly MIUI interface over Android
  • Blazing fast performance, backed by top-end hardware
  • Excellent for gaming
  • Excellent primary camera with great picture quality
  • 8 MP secondary camera is great for selfies
  • Solid battery life
  • Compact, smart looking, premium design with a metal build - very similar to the Redmi Note 3, but more easy to handle (because of the smaller size)
  • Excellent ergonomics, with the curves on the back making the phone very comfortable to hold
  • Light-weight with an excellent weight distribution, despite the large battery it holds inside
  • Nice, vibrant, and bright display, with excellent touch-responsiveness, and good viewing angles
  • MIUI is a one of the better Android skins around
  • Very good speed/performance - one of the best in this price range
  • Decent camera
  • Excellent battery life - easily lasts a day and a half in regular use
  • Good audio quality
2-minute Review [Negatives]
  • Loudspeaker could have been louder
  • Camera is decent, and almost at par with the more expensive Redmi Note 3, but still could have been better, especially with low light performance
  • Loudspeaker volume could have been better
Video Review
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