Product
Xiaomi Mi 2S
Xiaomi Mi 2S
Vivo iQOO Neo
Vivo iQOO Neo
Battery
Charging - 22.5W wired
Music play Up to 45 h -
Stand-by Up to 450 h (3G) -
Talk time Up to 15 h (3G) -
Type Li-Ion 2000 mAh, removable 4500 mAh, non-removable
Body
Build - Glass front, glass back, aluminum frame
Dimensions 126 x 62 x 10.2 mm (4.96 x 2.44 x 0.40 in) 159.5 x 75.2 x 8.1 mm (6.28 x 2.96 x 0.32 in)
SIM Mini-SIM Nano-SIM + Nano-SIM
Weight 145 g (5.11 oz) 198.5 g (7.02 oz)
Comms
Bluetooth 4.0, A2DP 5.0, A2DP, LE, aptX
NFC No No
Positioning GPS, GLONASS GPS, GLONASS, BDS, GALILEO
Radio FM radio No
USB microUSB 2.0 (MHL TV-out), OTG USB Type-C, OTG
WLAN Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Resolution 720 x 1280 pixels, 16:9 ratio (~342 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density)
Size 4.3 inches, 51.0 cm2 (~65.2% screen-to-body ratio) 6.38 inches, 99.9 cm2 (~83.3% screen-to-body ratio)
Type IPS LCD Super AMOLED
Features
Sensors Accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2013, April. Released 2013, April 2019, July. Released 2019, July
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR LED flash, HDR, panorama
Single 8 MP, f/2.2 (16 GB version) 13 MP, f/2.2, AF (32 GB version) -
Triple - 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF 8 MP, f/2.2, (wide) 2 MP, f/2.4, (depth)
Video 1080p@30fps, 720p@90fps, HDR 4K@30fps, 1080p@30fps
Memory
Card slot No No
Internal 16GB 2GB RAM, 32GB 2GB RAM 64GB 6GB RAM, 64GB 8GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Misc
Colors Black/white, black/blue, black/yellow, black/green, black/pink Black, Purple
Models - V1914A
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 2100
4G bands - 1, 3, 4, 5, 8, 34, 38, 39, 40, 41
Speed HSPA 42.2/5.76 Mbps HSPA, LTE
Technology GSM / HSPA GSM / CDMA / HSPA / LTE
  - CDMA 800 & TD-SCDMA
Platform
Chipset Qualcomm APQ8064 Snapdragon S4 Pro Qualcomm SDM845 Snapdragon 845 (10 nm)
CPU Quad-core 1.7 GHz Krait 300 Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
GPU Adreno 320 Adreno 630
OS Android 4.1 (Jelly Bean), upgradable to 4.4.4 (KitKat), MIUI 5 Android 9.0 (Pie), Funtouch 9
Selfie camera
Features - HDR
Single 2 MP 12 MP, f/2.0, (wide), 1/2.8", 1.28µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  - 32-bit/192kHz Hi-Res audio