Product
Xiaomi Mi 5
Xiaomi Mi 5
Vivo Y9s
Vivo Y9s
Battery
Charging 18W wired, QC3 18W wired
Type Li-Po 3000 mAh, non-removable 4500 mAh, non-removable
Body
Build Glass front (Gorilla Glass 4), glass back (Gorilla Glass 4), aluminum frame Glass front, glass back, aluminum frame
Dimensions 144.6 x 69.2 x 7.3 mm (5.69 x 2.72 x 0.29 in) 159.3 x 75.2 x 8.7 mm (6.27 x 2.96 x 0.34 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 129 g / 139 g (Ceramic) (4.90 oz) 186.7 g (6.60 oz)
Comms
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE
Infrared port Yes -
NFC Yes No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio No FM radio
USB USB Type-C USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 4 -
Resolution 1080 x 1920 pixels, 16:9 ratio (~428 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density)
Size 5.15 inches, 73.1 cm2 (~73.1% screen-to-body ratio) 6.38 inches, 99.9 cm2 (~83.4% screen-to-body ratio)
Type IPS LCD Super AMOLED
Features
Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2016, February. Released 2016, April 2019, December. Released 2019, December
Status Discontinued Discontinued
Main Camera
Features Dual-LED dual-tone flash, panorama, HDR LED flash, HDR, panorama
Quad - 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth)
Single 16 MP, f/2.0, 1/2.8", 1.12µm, PDAF, 4-axis OIS -
Video 4K@30fps, 1080p@30fps, 720p@120fps 1080p@30fps
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 32GB 3GB RAM (Standard), 64GB 3GB RAM (Prime), 128GB 4GB RAM (Pro) 128GB 8GB RAM
  UFS 2.0 -
Misc
Colors Black, White, Gold, Ceramic Fancy Sky, Knight Black, Nebula Blue
Models 2015105 V1945A, V1945T
SAR 0.38 W/kg (head)     0.80 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 & TD-SCDMA HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 7, 38, 39, 40, 41 - Global 1, 3, 5, 8, 34, 38, 39, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/150 Mbps HSPA, LTE
Technology GSM / HSPA / EVDO / LTE GSM / CDMA / HSPA / LTE
  1, 3, 7, 38, 39, 40, 41 - China CDMA 800 & TD-SCDMA
Our Tests
Audio quality Noise -95.3dB / Crosstalk -95.4dB -
Battery (old) Endurance rating 92h -
Camera Photo / Video -
Display Contrast ratio: 1227:1 (nominal), 3.240 (sunlight) -
Loudspeaker Voice 67dB / Noise 67dB / Ring 74dB -
Performance Basemark OS II 2.0: 2180Basemark X: 33110 -
Platform
Chipset Qualcomm MSM8996 Snapdragon 820 (14 nm) Qualcomm SDM665 Snapdragon 665 (11 nm)
CPU Quad-core (2x1.8 GHz Kryo & 2x1.36 GHz Kryo) - Standard editionQuad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) - Prime & Pro edition Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU Adreno 530 Adreno 610
OS Android 6.0 (Marshmallow), upgradable to Android 8.0 (Oreo), MIUI 10 Android 9.0 (Pie), Funtouch 9
Selfie camera
Features - HDR
Single 4 MP, f/2.0, 1/3", 2µm 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes