Product
Vivo NEX 3S 5G
Vivo NEX 3S 5G
Xiaomi Redmi K20 Pro Premium
Xiaomi Redmi K20 Pro Premium
Battery
Charging 44W wired 27W wired, QC4
Type 4500 mAh Li-Po 4000 mAh, non-removable
Body
Build Glass front, glass back, aluminum frame Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions 167.4 x 76.1 x 9.4 mm (6.59 x 3.00 x 0.37 in) 156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 219.5 g (7.76 oz) 191 g (6.74 oz)
Comms
Bluetooth 5.1, A2DP, LE, aptX HD 5.0, A2DP, LE, aptX HD
NFC Yes Yes
Positioning GPS, GLONASS, GALILEO, BDS GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)
Radio No Yes
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection - Corning Gorilla Glass 5
Resolution 1080 x 2256 pixels (~363 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size 6.89 inches, 119.3 cm2 (~93.6% screen-to-body ratio) 6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio)
Type Super AMOLED, HDR10+ Super AMOLED, HDR10
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2020, March 10 2019, September. Released 2019, September
Status Available. Released 2020, March 14 Discontinued
Main Camera
Features LED flash, HDR, panorama Laser AF, Dual-LED flash, HDR, panorama
Triple 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 13 MP, f/2.5, 52mm (telephoto), PDAF, 2x optical zoom 13 MP, f/2.2, 13mm (ultrawide), PDAF 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.4, 53mm (telephoto), 1/4.0", 1.12µm, PDAF, 2x optical zoom 13 MP, f/2.4, 12mm (ultrawide), 1/3.1", 1.12µm
Video 4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS 4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Memory
Card slot No No
Internal 256GB 8GB RAM, 256GB 12GB RAM 128GB 8GB RAM, 512GB 8GB RAM, 512GB 12GB RAM
  UFS 3.1 UFS 2.1
Misc
Colors Black, Blue, Orange Carbon black, Flame red, Glacier blue, Summer Honey, Pearl White
Models V1950A -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 20, 25, 28, 34, 38, 39, 40, 41 1, 3, 5, 7, 8, 34, 38, 39, 40, 41
5G bands 1, 3, 41, 77, 78, 79 SA/NSA -
Speed HSPA, LTE, 5G HSPA, LTE
Technology GSM / CDMA / HSPA / EVDO / LTE / 5G GSM / CDMA / HSPA / LTE
  CDMA2000 1xEV-DO CDMA 800 & TD-SCDMA
Platform
Chipset Qualcomm SM8250 Snapdragon 865 5G (7 nm+) Qualcomm SM8150 Snapdragon 855+ (7 nm)
CPU Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
GPU Adreno 650 Adreno 640 (700 MHz)
OS Android 10, Funtouch 10.0 Android 10, MIUI 11
Selfie camera
Features LED flash, HDR HDR
Single Motorized pop-up 16 MP, f/2.1, 26mm (wide), 1/3.06", 1.0µm Motorized pop-up 20 MP, f/2.2, (wide), 1/3.4", 0.8µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  32-bit/192kHz Hi-Res audio 24-bit/192kHz Hi-Res audio