Product
Vivo Z1i
Vivo Z1i
₹18,407
Infinix Note 50x
Infinix Note 50x
₹14,999
Battery
Charging - 45W wired 10W reverse wired Bypass Charging
Type Li-Ion 3260 mAh, non-removable 5500 mAh
Body
Build Glass front, plastic back, plastic frame -
Dimensions 154.8 x 75 x 7.9 mm (6.09 x 2.95 x 0.31 in) 165.4 x 76.4 x 8.0 mm or 8.2 mm
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 149.3 g (5.26 oz) 195.4 g or 198.9 g (6.88 oz)
  - IP64 dust tight and water resistant (water splashes) RGB notification light (on the back) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Comms
Bluetooth 5.0, A2DP, LE 5.4, A2DP, LE
Infrared port - Yes
NFC No No
Positioning GPS, GLONASS, BDS GPS
Radio FM radio 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/6, dual-band
Display
Resolution 1080 x 2280 pixels, 19:9 ratio (~403 ppi density) 720 x 1600 pixels, 20:9 ratio (~263 ppi density)
Size 6.26 inches, 97.8 cm2 (~84.2% screen-to-body ratio) 6.67 inches, 107.4 cm2 (~85.0% screen-to-body ratio)
Type IPS LCD IPS LCD, 120Hz, 560 nits (typ)
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2018, July. Released 2018, July 2025, March 27
Status Discontinued Available. Released 2025, April
Main Camera
Dual 13 MP, f/2.2, PDAF 2 MP, (depth) -
Features LED flash, HDR, panorama Dual-LED flash, HDR, panorama
Single - 50 MP, f/1.6, (wide), PDAF
Video 4K@30fps, 1080p@30fps 4K@30fps, 1080p@30/120/240fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 128GB 4GB RAM, 128GB 8GB RAM 128GB 6GB RAM, 128GB 8GB RAM
  eMMC 5.1 UFS 2.2
Misc
Colors Black, Red Titanium Gray, Enchanted Purple, Sea Breeze Green, Sunset Spice Pink
Models V1730DA, V1730DT X6857B
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 4, 5, 8, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 42, 66
5G bands - 1, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 71, 77, 78 SA/NSA
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE / 5G
  CDMA 800 & TD-SCDMA -
Platform
Chipset Qualcomm SDM636 Snapdragon 636 (14 nm) Mediatek Dimensity 7300 Ultimate (4 nm)
CPU Octa-core (4x1.8 GHz Kryo 260 Gold & 4x1.6 GHz Kryo 260 Silver) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 509 Mali-G615 MC2
OS Android 8.1 (Oreo), Funtouch 4 Android 15, up to 2 major Android upgrades, XOS 15
Selfie camera
Single 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 8 MP, f/2.0, (wide)
Video 1080p@30fps 1440p@30fps, 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
  - 24-bit/192kHz Hi-Res audio
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