Product
Xiaomi Mi 4s
Xiaomi Mi 4s
Vivo Y93s
Vivo Y93s
Battery
Charging 18W wired, QC2, 40% in 60 min -
Type Li-Ion 3260 mAh, non-removable 4030 mAh, non-removable
Body
Dimensions 139.3 x 70.8 x 7.8 mm (5.48 x 2.79 x 0.31 in) 155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)
SIM Nano-SIM + Micro-SIM Nano-SIM + Nano-SIM
Weight 133 g (4.69 oz) 165 g (5.82 oz)
Comms
Bluetooth 4.1, A2DP 4.2, A2DP, LE
Infrared port Yes -
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio No FM radio
USB USB Type-C microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Resolution 1080 x 1920 pixels, 16:9 ratio (~441 ppi density) 720 x 1520 pixels, 19:9 ratio (~271 ppi density)
Size 5.0 inches, 68.9 cm2 (~69.9% screen-to-body ratio) 6.2 inches, 95.9 cm2 (~82.4% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Accelerometer, proximity, compass
Launch
Announced 2016, February. Released 2016, March 2018, December. Released 2018, December
Status Discontinued Discontinued
Main Camera
Dual - 13 MP, f/2.2, PDAF 2 MP, f/2.4, (depth)
Features Dual-LED dual-tone flash, panorama, HDR LED flash, panorama
Single 13 MP, f/2.0, PDAF -
Video 1080p@30fps, 720p@120fps 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC
Internal 64GB 3GB RAM 128GB 4GB RAM
  eMMC 5.0 eMMC 5.1
Misc
Colors Black, White, Gold, Pink Zixia Red, Aurora Red, Blue
Network
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 7, 38, 39, 40, 41 1, 3, 5, 8, 34, 38, 39, 40, 41
Speed HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps
Technology GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / LTE
  TD-SCDMA CDMA 800 & TD-SCDMA - China
Our Tests
Audio quality Noise -94.9dB / Crosstalk -82.6dB -
Battery (old) Endurance rating 75h -
Camera Photo / Video -
Display Contrast ratio: 975:1 (nominal), 2.095 (sunlight) -
Loudspeaker Voice 73dB / Noise 68dB / Ring 82dB -
Performance Basemark OS II 2.0: 1545Basemark X: 12990 -
Platform
Chipset Qualcomm MSM8992 Snapdragon 808 (20 nm) Mediatek MT6762 Helio P22 (12 nm)
CPU Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57) Octa-core 2.0 GHz Cortex-A53
GPU Adreno 418 PowerVR GE8320
OS Android 5.1 (Lollipop), upgradable to 7.0 (Nougat), MIUI 10 Android 8.1 (Oreo), Funtouch 4.5
Selfie camera
Single 5 MP, f/2.0 8 MP, f/2.0
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes