Product
Vivo iQOO 3 5G
Vivo iQOO 3 5G
Xiaomi Mi 9T
Xiaomi Mi 9T
Battery
Charging 55W wired, 50% in 15 min 18W wired
Type 4400 mAh Li-Po 4000 mAh, non-removable
Body
Build Glass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame Glass front (Gorilla Glass 5), glass back, aluminum frame
Dimensions 158.5 x 74.9 x 9.2 mm (6.24 x 2.95 x 0.36 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 214.5 g (7.58 oz) 191 g (6.74 oz)
Comms
Bluetooth 5.1, A2DP, LE, aptX HD 5.0, A2DP, LE, aptX HD
NFC Yes (market/region dependent) Yes
Positioning GPS, GLONASS, BDS, GALILEO GPS, GLONASS, GALILEO, BDS
Radio No FM radio
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 6 Corning Gorilla Glass 5
Resolution 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size 6.44 inches, 100.1 cm2 (~84.3% screen-to-body ratio) 6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio)
Type Super AMOLED, HDR10+, 800 nits (typ) AMOLED, HDR
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2020, February 25 2019, June 12. Released 2019, June 12
Status Available. Released 2020, March 04 Discontinued
Main Camera
Features LED flash, HDR, panorama Dual-LED flash, HDR, panorama
Quad 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 13 MP, f/2.5, 50mm (telephoto), PDAF, 2x optical zoom 13 MP, f/2.2, 120˚, 16mm (ultrawide), AF 2 MP, f/2.4, (depth) -
Triple - 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@30/60fps, 1080p@30fps; gyro-EIS 4K@30fps, 1080p@30/120/240fps, 1080p@960fps
Memory
Card slot No No
Internal 128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM 64GB 6GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
  UFS 3.1 UFS 2.0
Misc
Colors Volcano Orange, Tornado Black, Quantum Silver Carbon black, Red flame, Glacier blue
Models V1955A, I1927, I1928 M1903F10G
SAR 1.19 W/kg (head)     0.59 W/kg (body)     1.19 W/kg (head)     1.18 W/kg (body)    
SAR EU - 1.34 W/kg (head)     1.51 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40
5G bands 1, 3, 41, 77, 78, 79 SA/NSA - China -
Speed HSPA, LTE, 5G (3.3 Gbps DL) HSPA, LTE
Technology GSM / CDMA / HSPA / LTE / 5G GSM / HSPA / LTE
  41, 77, 78 - India -
Our Tests
Audio quality - Noise -93.5dB / Crosstalk -93.8dB
Battery (old) Endurance rating 118h Endurance rating 100h
Camera Photo / Video Photo / Video
Display 848 nits max brightness (measured) 646 nits max brightness (measured)
Loudspeaker -26.3 LUFS (Good) -25.3 LUFS (Very good)
Performance AnTuTu: 575601 (v8) GeekBench: 13325 (v4.4), 3402 (v5.1) GFXBench: 42fps (ES 3.1 onscreen) AnTuTu: 211915 (v7), 257146 (v8) GeekBench: 6863 (v4.4), 1703 (v5.1) GFXBench: 13fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm SM8250 Snapdragon 865 5G (7 nm+) Qualcomm SDM730 Snapdragon 730 (8 nm)
CPU Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU Adreno 650 Adreno 618
OS Android 10, iQOO UI 1.0 Android 9.0 (Pie), upgradable to Android 11, MIUI 12.1
Selfie camera
Features HDR HDR
Single 16 MP, f/2.5, (wide) 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