Product
Vivo V15
Vivo V15
Xiaomi Mi 9 Lite
Xiaomi Mi 9 Lite
Battery
Charging - 18W wired
Type 4000 mAh, non-removable Li-Po 4030 mAh, non-removable
Body
Build Glass front (Gorilla Glass 5), plastic back, plastic frame Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions 161.2 x 75.9 x 8.5 mm (6.35 x 2.99 x 0.33 in) 156.8 x 74.5 x 8.7 mm (6.17 x 2.93 x 0.34 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 189.5 g (6.70 oz) 179 g (6.31 oz)
Comms
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE, aptX HD
Infrared port - Yes
NFC No Yes
Positioning GPS, GLONASS, BDS GPS, GLONASS, GALILEO, BDS
Radio FM radio FM radio
USB microUSB 2.0, OTG USB Type-C 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, 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 Corning Gorilla Glass 5
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size 6.53 inches, 104.7 cm2 (~85.6% screen-to-body ratio) 6.39 inches, 100.2 cm2 (~85.8% screen-to-body ratio)
Type IPS LCD Super AMOLED, HDR, 430 nits (typ)
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2019, March. Released 2019, March 2019, September 16. Released 2019, September 16
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, HDR, panorama
Triple 24 MP, f/1.8, 1/2.8", 1.12µm, dual pixel PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (depth) 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, (ultrawide), 1/4.0", 1.12µm 2 MP, (depth)
Video 1080p@30fps 4K@30fps, 1080p@30/60/120fps, 720p@960fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 64GB 6GB RAM, 128GB 6GB RAM 64GB 6GB RAM, 128GB 6GB RAM
  eMMC 5.1 UFS 2.1
Misc
Colors Topaz Blue, Glamour Red, Frozen Black, Royal Blue Pearl White, Aurora Blue, Onyx Grey
Models 1819 M1904F3BG
SAR - 1.19 W/kg (head)     1.15 W/kg (body)    
SAR EU - 1.42 W/kg (head)     1.40 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 38, 40, 41 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Our Tests
Audio quality - Noise -90.3dB / Crosstalk -93.1dB
Battery (old) - Endurance rating 106h
Camera - Photo / Video
Display - 597 nits max brightness (measured)
Loudspeaker - -30.2 LUFS (Below average)
Performance - AnTuTu: 175478 (v7), 215277 (v8) GeekBench: 5989 (v4.4), 1518 (v5.1) GFXBench: 12fps (ES 3.1 onscreen)
Platform
Chipset Mediatek MT6771 Helio P70 (12 nm) Qualcomm SDM710 Snapdragon 710 (10 nm)
CPU Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPU Mali-G72 MP3 Adreno 616
OS Android 9.0 (Pie), Funtouch 9 Android 9.0 (Pie), upgradable to Android 10, MIUI 11
Selfie camera
Features HDR HDR
Single Motorized pop-up 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm 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