Product
Vivo iQOO U3x Standard
Vivo iQOO U3x Standard
Vivo T4 Lite
Vivo T4 Lite
Battery
Charging 18W wired 15W wired
Type 5000 mAh Li-Ion 6000 mAh
Body
Build Glass front, plastic back, plastic frame Glass front, plastic frame, plastic back
Dimensions 164.4 x 76.3 x 8.4 mm (6.47 x 3.00 x 0.33 in) 167.3 x 77 x 8.2 mm (6.59 x 3.03 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 191.4 g (6.74 oz) 202 g (7.13 oz)
  - IP64 dust tight and water resistant (water splashes) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Comms
Bluetooth 5.0, A2DP, LE, aptX 5.4, A2DP, LE
NFC No No
Positioning GPS, GLONASS, GALILEO, BDS GPS, GALILEO, GLONASS, BDS, QZSS
Radio No FM radio
USB microUSB 2.0, OTG USB Type-C 2.0, OTG
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
Display
Resolution 720 x 1600 pixels, 20:9 ratio (~270 ppi density) 720 x 1600 pixels, 20:9 ratio (~260 ppi density)
Size 6.51 inches, 102.3 cm2 (~81.6% screen-to-body ratio) 6.74 inches, 109.7 cm2 (~85.1% screen-to-body ratio)
Type IPS LCD IPS LCD, 90Hz, 1000 nits (HBM)
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Fingerprint (side-mounted), accelerometer, proximity, compass
Launch
Announced 2021, June 07 2025, June 24
Status Available. Released 2021, June 09 Available. Released 2025, July 02
Main Camera
Dual 13 MP, f/2.2, (wide), PDAF 2 MP, f/2.4, (depth) 50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (depth)
Features LED flash, HDR LED flash, panorama
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 128GB 4GB RAM, 128GB 6GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
  eMMC 5.1 UFS 2.2 - 128/4, 256/8 eMMC5.1 - 128/6
Misc
Colors Black, Silver Prism Blue, Titanium Gold
Models V2143A V2509
SAR - 0.91 W/kg (head)     0.88 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 8, 34, 38, 39, 40, 41 1, 3, 5, 8, 28, 38, 40, 41
5G bands - 1, 3, 5, 8, 28, 38, 40, 77, 78 SA/NSA
Speed HSPA, LTE HSPA, LTE
Technology GSM / CDMA / HSPA / CDMA2000 / LTE GSM / HSPA / LTE / 5G
  CDMA2000 1x -
Platform
Chipset Mediatek MT6769V/CU Helio G80 (12 nm) Mediatek Dimensity 6300 (6 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G52 MC2 Mali-G57 MC2
OS Android 11, OriginOS 1.0 for iQOO Android 15, up to 2 major Android upgrades, Funtouch 15
Selfie camera
Single 8 MP, f/1.8, (wide) 5 MP, f/2.2, (wide)
Video 1080p@30fps Yes
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes, with stereo speakers