vivo iQOO Z3 vs Xiaomi Poco X3 Pro

Phones Images
PHONES
Phone Names vivo iQOO Z3 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, 38, 40, 41 - India1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 - International
5G bands77, 78 SA/NSA - India-
SpeedHSPA, LTE, 5GHSPA, LTE
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / HSPA / LTE
 1, 28, 41, 77, 78 SA/NSA - China1, 2, 3, 5, 8, 38, 40, 41 - India
Launch
Announced2021, March 252021, March 22
StatusAvailable. Released 2021, April 01Available. Released 2021, March 24
Body
Build-Glass front (Gorilla Glass 6), plastic back
Dimensions164 x 75.3 x 8.5 mm (6.46 x 2.96 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 (~84.5% screen-to-body ratio)6.67 inches, 107.4 cm2 (~84.6% screen-to-body ratio)
TypeIPS LCD, HDR10, 120HzIPS LCD, 120Hz, 2404Hz PWM, HDR10, 450 nits (typ)
Platform
CPUOcta-core (1x2.8 GHz Kryo 475 Prime & 1x2.4 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)Octa-core (1x2.96 GHz Kryo 485 Gold & 3x2.42 GHz Kryo 485 Gold & 4x1.78 GHz Kryo 485 Silver)
ChipsetQualcomm SDM768 Snapdragon 768G 5G (7 nm)Qualcomm Snapdragon 860 (7 nm)
GPUAdreno 620Adreno 640
OSAndroid 11, Funtouch 11.1 (International), OriginOS 1.0 for iQOO (China)Android 11, upgradable to Android 12, MIUI 13 for POCO
Memory
Card slotmicroSDXC (uses shared SIM slot)microSDXC (uses shared SIM slot)
Internal128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
 UFS 2.2UFS 3.1
Main Camera
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
Single16 MP, f/2.0, (wide)20 MP, f/2.2, (wide), 1/3.4", 0.8µm
Triple64 MP, f/1.8, 26mm (wide), 1/1.97", 0.7µm, PDAF 8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP (macro)-
Video4K@30/60fps, 1080p@30/60fps, gyro-EIS4K@30fps, 1080p@30/60/120/240fps, 1080p@960fps, gyro-EIS
Selfie camera
FeaturesHDRHDR, panorama
Single16 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, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioNoFM radio, recording
USBUSB Type-C, 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
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging55W wired33W wired, 59% in 30 min, 100% in 59 min
Type4400 mAhLi-Po 5160 mAh
Misc
ColorsAce Black, Cyber Blue, SilverPhantom Black, Frost Blue, Metal Bronze
ModelsV2073AM2102J20SG, M2102J20SI
PriceAbout 220 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)