vivo iQOO U3 vs Xiaomi Poco X3 Pro

Phones Images
PHONES
Phone Names vivo iQOO U3 Xiaomi Poco X3 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 - International
5G bands1, 28, 41, 77, 78 SA/NSA-
EDGENo-
GPRSClass 10-
SpeedHSPA, LTE, 5GHSPA, LTE
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / HSPA / LTE
 CDMA 800 1, 2, 3, 5, 8, 38, 40, 41 - India
Launch
Announced2020, December 14. Released 2020, December 182021, March 22
StatusDiscontinuedAvailable. Released 2021, March 24
Body
Build-Glass front (Gorilla Glass 6), plastic back
Dimensions164.2 x 75.4 x 8.4 mm (6.46 x 2.97 x 0.33 in)165.3 x 76.8 x 9.4 mm (6.51 x 3.02 x 0.37 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight185.5 g (6.56 oz)215 g (7.58 oz)
 -IP53, dust and splash resistant
Display
Protection-Corning Gorilla Glass 6
Resolution1080 x 2408 pixels, 20:9 ratio (~401 ppi density)1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Size6.58 inches, 104.3 cm2 (~84.2% screen-to-body ratio)6.67 inches, 107.4 cm2 (~84.6% screen-to-body ratio)
TypeIPS LCD, 90Hz, HDR10, 460 nits (typ)IPS LCD, 120Hz, 2404Hz PWM, HDR10, 450 nits (typ)
Platform
CPUOcta-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)Octa-core (1x2.96 GHz Kryo 485 Gold & 3x2.42 GHz Kryo 485 Gold & 4x1.78 GHz Kryo 485 Silver)
ChipsetMediatek Dimensity 800U (7 nm)Qualcomm Snapdragon 860 (7 nm)
GPUMali-G57 MC3Adreno 640
OSAndroid 10, IQOO UI 1.5Android 11, upgradable to Android 12, MIUI 13 for POCO
Memory
Call recordsYes-
Card slotNomicroSDXC (uses shared SIM slot)
Internal64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
PhonebookYes-
 UFS 2.2UFS 3.1
Main Camera
Dual48 MP, f/1.8, 25mm (wide), 1/2.0", 0.8µm, PDAF Auxiliary lens-
FeaturesLED flash, HDR, panoramaDual-LED flash, HDR, panorama
Quad-48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide), 1.0µm 2 MP (macro) Auxiliary lens
Single1.3 MP20 MP, f/2.2, (wide), 1/3.4", 0.8µm
Video4K@30fps, 1080p@30fps4K@30fps, 1080p@30/60/120/240fps, 1080p@960fps, gyro-EIS
Selfie camera
FeaturesHDRHDR, panorama
Single8 MP, f/2.0, (wide)20 MP, f/2.2, (wide), 1/3.4", 0.8µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes, with stereo speakers
 -24-bit/192kHz audio
Comms
Bluetooth5.1, A2DP, LE, aptX HD5.0, A2DP, LE
Infrared port-Yes
NFCNoYes (market/region dependent)
PositioningGPS, GLONASS, BDS, GALILEOGPS, GLONASS, GALILEO, BDS
RadioNoFM radio, recording
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
GamesYes-
JavaNo-
MessagingSMS, MMS, IM-
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging18W wired33W wired, 59% in 30 min, 100% in 59 min
Stand-byUp to 600 h-
Talk timeUp to 5 h-
Type5000 mAhLi-Po 5160 mAh
Misc
ColorsWhite, Gray, AuroraPhantom Black, Frost Blue, Metal Bronze
ModelsV2061AM2102J20SG, M2102J20SI
PriceAbout 200 EUR$ 128.04 / £ 249.99
SAR-0.99 W/kg (head)     0.67 W/kg (body)
SAR EU-0.57 W/kg (head)     0.90 W/kg (body)
Tests
Battery life- Endurance rating 112h
Camera- Photo / Video
Display- Contrast ratio: 1401:1 (nominal)
Loudspeaker- -26.1 LUFS (Good)
Performance- AnTuTu: 453223 (v8) GeekBench: 2574 (v5.1) GFXBench: 38fps (ES 3.1 onscreen)
OUR TESTS
Battery (old)-Endurance rating 112h
Camera-Photo / Video
Display-Contrast ratio: 1401:1 (nominal)
Loudspeaker--26.1 LUFS (Good)
Performance-AnTuTu: 453223 (v8) GeekBench: 2574 (v5.1) GFXBench: 38fps (ES 3.1 onscreen)