Product
Xiaomi Mi 2A
Xiaomi Mi 2A
Xiaomi Mi Note
Xiaomi Mi Note
Battery
Charging - 18W wired, QC2
Type Li-Ion 2030 mAh, removable Li-Ion 3000 mAh, non-removable
Body
Build - Glass front (Gorilla Glass 3), glass back (Gorilla Glass 3), aluminum frame
Dimensions 133 x 66.5 x 9.5 mm (5.24 x 2.62 x 0.37 in) 155.1 x 77.6 x 7 mm (6.11 x 3.06 x 0.28 in)
SIM Mini-SIM Nano-SIM + Micro-SIM
Weight 133 g (4.69 oz) 161 g (5.68 oz)
Comms
Bluetooth 4.0, A2DP 4.1, A2DP, LE
NFC Yes No
Positioning GPS, GLONASS GPS, GLONASS, BDS
Radio FM radio No
USB microUSB 2.0, OTG microUSB 2.0, OTG
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, hotspot
Display
Protection - Corning Gorilla Glass 3
Resolution 720 x 1280 pixels, 16:9 ratio (~326 ppi density) 1080 x 1920 pixels, 16:9 ratio (~386 ppi density)
Size 4.5 inches, 55.8 cm2 (~63.1% screen-to-body ratio) 5.7 inches, 89.6 cm2 (~74.4% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2013. Released 2013 2015, January. Released 2015, January
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR Dual-LED dual-tone flash, HDR, panorama
Single 8 MP, f/2.0, AF 13 MP, f/2.0, AF, OIS
Video 1080p@30fps 4K@30fps, 1080p@30fps
Memory
Card slot No No
Internal 16GB 1GB RAM 16GB 3GB RAM, 64GB 3GB RAM
  - eMMC 5.0
Misc
Colors Black (front panel), 4 color options (back panel) Black, White
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100
4G bands - 3, 7, 38, 39, 40, 41
Speed HSPA 21.1/5.76 Mbps HSPA, LTE Cat4 150/50 Mbps
Technology GSM / HSPA GSM / HSPA / LTE
  - TD-SCDMA
Our Tests
Battery (old) - Endurance rating 48h
Camera - Photo / Video
Display - Contrast ratio: 1453:1 (nominal), 2.234 (sunlight)
Loudspeaker - Voice 75dB / Noise 68dB / Ring 83dB
Performance - Basemark OS II 2.0: 1353Basemark X: 13075
Platform
Chipset Qualcomm Snapdragon S4 Pro Qualcomm MSM8974AC Snapdragon 801 (28 nm)
CPU Dual-core 1.7 GHz Quad-core 2.5 GHz Krait 400
GPU Adreno 320 Adreno 330
OS Android 4.1 (Jelly Bean) Android 4.4.4 (KitKat), upgradable to 6.0 (Marshmallow)
Selfie camera
Single 2 MP 4 MP, f/2.0, 1/3", 2µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  - 24-bit/192kHz audio