Product
Xiaomi Redmi Note 2
Xiaomi Redmi Note 2
Xiaomi Mi A1 (Mi 5X)
Xiaomi Mi A1 (Mi 5X)
Battery
Charging 10W wired 10W wired
Music play Up to 46 h -
Stand-by Up to 144 h (3G) -
Talk time Up to 11 h 30 min (3G) -
Type Li-Po 3060 mAh, removable Li-Po 3080 mAh, non-removable
Body
Build Glass front, plastic back, plastic frame Glass front (Gorilla Glass 3), aluminum back, aluminum frame
Dimensions 152 x 76 x 8.3 mm (5.98 x 2.99 x 0.33 in) 155.4 x 75.8 x 7.3 mm (6.12 x 2.98 x 0.29 in)
SIM Dual SIM (Micro-SIM, dual stand-by) Nano-SIM + Nano-SIM
Weight 160 g (5.64 oz) 165 g (5.82 oz)
Comms
Bluetooth 4.0, A2DP, LE 4.2, A2DP, LE
Infrared port Yes Yes
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio Stereo FM radio FM radio
USB microUSB 2.0, OTG USB Type-C 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection - Corning Gorilla Glass 3
Resolution 1080 x 1920 pixels, 16:9 ratio (~403 ppi density) 1080 x 1920 pixels, 16:9 ratio (~403 ppi density)
Size 5.5 inches, 82.6 cm2 (~71.5% screen-to-body ratio) 5.5 inches, 82.6 cm2 (~70.1% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity
Launch
Announced 2015, August. Released 2015, August 2017, September. Released 2017, September
Status Discontinued Discontinued
Main Camera
Dual - 12 MP, f/2.2, 26mm (wide), 1/2.9", 1.25µm, PDAF 12 MP, f/2.6, 50mm (telephoto), 1.0µm, AF, 2x optical zoom
Features LED flash, HDR, panorama Dual-LED dual-tone flash, HDR, panorama
Single 13 MP, f/2.2, PDAF -
Video 1080p@30fps 4K@30fps, 1080p@30fps, 720p@120fps
Memory
Card slot microSDXC (dedicated slot) - Chinese version only microSDXC (uses shared SIM slot)
Internal 16GB 2GB RAM (Standard), 32GB 2GB RAM (Prime) 32GB 4GB RAM, 64GB 4GB RAM
  eMMC 5.0 eMMC 5.1
Misc
Colors White, blue, yellow, pink, mint green Black, Gold, Rose Gold, Red
Models 2015051 MDG2, MDI2
SAR 0.34 W/kg (head)     0.45 W/kg (body)     1.75 W/kg (head)     0.76 W/kg (body)    
Network
2G bands GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
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, 20, 38, 40
Speed HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  TD-SCDMA -
Our Tests
Audio quality Noise -96.1dB / Crosstalk -94.8dB Noise -91.0dB / Crosstalk -82.5dB
Battery (old) Endurance rating 49h Endurance rating 87h
Camera Photo / Video Photo / Video
Display Contrast ratio: 953 (nominal), 2.166 (sunlight) Contrast ratio: 1570:1 (nominal), 2.689 (sunlight)
Loudspeaker Voice 66dB / Noise 66dB / Ring 76dB Voice 74dB / Noise 73dB / Ring 90dB
Performance Basemark OS II 2.0: 1063Basemark X: 8518 GeekBench: 4292 (v4.4) GFXBench: 3.5fps (ES 3.1 onscreen)
Platform
Chipset Mediatek MT6795 Helio X10 (28 nm) Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPU Octa-core 2.0 GHz Cortex-A53 - Redmi Note 2Octa-core 2.2 GHz Cortex-A53 - Redmi Note 2 Prime Octa-core 2.0 GHz Cortex-A53
GPU PowerVR G6200 Adreno 506
OS Android 5.0 (Lollipop), MIUI 7 Android 7.1.2 (Nougat), upgradable to Android 9.0 (Pie), Android One
Selfie camera
Single 5 MP, f/2.0 5 MP
Video 720p 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes