vivo iQOO U3x Standard vs vivo S1 Pro

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PHONES
Phone Names vivo iQOO U3x Standard vivo S1 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 8, 34, 38, 39, 40, 411, 3, 5, 28, 38, 40, 41
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTEGSM / HSPA / LTE
 CDMA2000 1x -
Launch
Announced2021, June 072019, November 19. Released 2019, November
StatusAvailable. Released 2021, June 09Discontinued
Body
BuildGlass front, plastic back, plastic frameGlass front, glass back, aluminum frame
Dimensions164.4 x 76.3 x 8.4 mm (6.47 x 3.00 x 0.33 in)159.3 x 75.2 x 8.7 mm (6.27 x 2.96 x 0.34 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight191.4 g (6.74 oz)186.7 g (6.60 oz)
Display
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density)
Size6.51 inches, 102.3 cm2 (~81.6% screen-to-body ratio)6.38 inches, 99.9 cm2 (~83.4% screen-to-body ratio)
TypeIPS LCDSuper AMOLED
Platform
CPUOcta-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
ChipsetMediatek MT6769V/CU Helio G80 (12 nm)Qualcomm SDM665 Snapdragon 665 (11 nm)
GPUMali-G52 MC2Adreno 610
OSAndroid 11, OriginOS 1.0 for iQOOAndroid 9.0 (Pie), Funtouch 9.2
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (uses shared SIM slot)
Internal128GB 4GB RAM, 128GB 6GB RAM128GB 8GB RAM
 eMMC 5.1-
Main Camera
Dual13 MP, f/2.2, (wide), PDAF Auxiliary lens-
FeaturesLED flash, HDRLED flash, HDR, panorama
Quad-48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Single8 MP, f/1.8, (wide)-
Video1080p@30fps1080p@30fps
Selfie camera
Features-HDR
Single8 MP, f/1.8, (wide)32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE, aptX5.0, A2DP, LE
NFCNoNo
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioNoFM radio
USBmicroUSB 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
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging18W wired18W wired
Type5000 mAh4500 mAh, non-removable
Misc
ColorsBlack, SilverKnight Black, Fancy Sky
ModelsV2143A1920, PD1945F_EX, 1920_20
PriceAbout 120 EURAbout 150 EUR