Product
Xiaomi Redmi Note 2
Xiaomi Redmi Note 2
Vivo Z5x
Vivo Z5x
Battery
Charging 10W wired 18W 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 5000 mAh, non-removable
Body
Build Glass front, plastic back, plastic frame Glass front, plastic back, plastic frame
Dimensions 152 x 76 x 8.3 mm (5.98 x 2.99 x 0.33 in) 162.4 x 77.3 x 8.9 mm (6.39 x 3.04 x 0.35 in)
SIM Dual SIM (Micro-SIM, dual stand-by) Nano-SIM + Nano-SIM
Weight 160 g (5.64 oz) 204.1 g (7.20 oz)
Comms
Bluetooth 4.0, A2DP, LE 5.0, A2DP, LE
Infrared port Yes -
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio Stereo FM radio No
USB microUSB 2.0, OTG microUSB 2.0, OTG
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
Resolution 1080 x 1920 pixels, 16:9 ratio (~403 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
Size 5.5 inches, 82.6 cm2 (~71.5% screen-to-body ratio) 6.53 inches, 104.7 cm2 (~83.4% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2015, August. Released 2015, August 2019, May. Released 2019, June
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, HDR, panorama
Single 13 MP, f/2.2, PDAF -
Triple - 16 MP, f/1.8, (wide), 1/2.8", 1.12µm, AF 8 MP, f/2.2, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (depth)
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) - Chinese version only microSDXC (dedicated slot)
Internal 16GB 2GB RAM (Standard), 32GB 2GB RAM (Prime) 64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
  eMMC 5.0 -
Misc
Colors White, blue, yellow, pink, mint green Black, Dark Gray, Blue
Models 2015051 V1911A, V1919A, 1919
SAR 0.34 W/kg (head)     0.45 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 / 2100
4G bands 1, 3, 7, 38, 39, 40, 41 1, 3, 4, 5, 8, 34, 38, 39, 40, 41
Speed HSPA, LTE Cat4 150/50 Mbps HSPA, LTE
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / LTE
  TD-SCDMA CDMA 800 & TD-SCDMA
Our Tests
Audio quality Noise -96.1dB / Crosstalk -94.8dB -
Battery (old) Endurance rating 49h -
Camera Photo / Video -
Display Contrast ratio: 953 (nominal), 2.166 (sunlight) -
Loudspeaker Voice 66dB / Noise 66dB / Ring 76dB -
Performance Basemark OS II 2.0: 1063Basemark X: 8518 -
Platform
Chipset Mediatek MT6795 Helio X10 (28 nm) Qualcomm SDM710 Snapdragon 710 (10 nm)
CPU Octa-core 2.0 GHz Cortex-A53 - Redmi Note 2Octa-core 2.2 GHz Cortex-A53 - Redmi Note 2 Prime Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPU PowerVR G6200 Adreno 616
OS Android 5.0 (Lollipop), MIUI 7 Android 9.0 (Pie), Funtouch 9
Selfie camera
Single 5 MP, f/2.0 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Video 720p 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes