Product
Infinix Zero Ultra
Infinix Zero Ultra
Vivo X23
Vivo X23
Battery
Charging 180W wired, 100% in 12 min 22.5W wired
Type 4500 mAh Li-Ion 3400 mAh, non-removable
Body
Dimensions 165.5 x 74.5 x 8.8 mm - Coslight Silver165.5 x 75.1 x 9.2 mm - Genesis Noir 157.7 x 74.1 x 7.5 mm (6.21 x 2.92 x 0.30 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 213 g (7.51 oz) 160.5 g (5.68 oz)
Comms
Bluetooth Yes 5.0, A2DP, EDR, LE, aptX
NFC Yes (market/region dependent) No
Positioning GPS GPS, GLONASS
Radio FM radio FM radio
USB USB Type-C 2.0, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 3 -
Resolution 1080 x 2400 pixels, 20:9 ratio (~387 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~402 ppi density)
Size 6.8 inches, 111.6 cm2 (~90.5% screen-to-body ratio) 6.41 inches, 100.9 cm2 (~86.3% screen-to-body ratio)
Type AMOLED, 120Hz, 900 nits (HBM) Super AMOLED
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, proximity, compass
Launch
Announced 2022, October 05 2018, September. Released 2018, September
Status Available. Released 2022, October 25 Discontinued
Main Camera
Dual - 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF 13 MP, f/2.4
Features Dual-LED flash, HDR, panorama LED flash, HDR, panorama
Triple 200 MP, f/2.0, (wide), 1/1.22", 0.64µm, dual pixel PDAF, OIS 13 MP, f/2.4, (ultrawide), AF 2 MP -
Video 4K@30fps, 1080p@30/60fps 4K@30fps, 1080p@30fps
Memory
Card slot No No
Internal 256GB 8GB RAM 128GB 8GB RAM
Misc
Colors Coslight Silver, Genesis Noir Phantom Purple, Magic Night, Phantom Red
Models X6820 V1809A, V1816A, V1809T, V1816T
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41, 66 1, 2, 3, 4, 5, 8, 34, 38, 39, 40, 41
5G bands 1, 2, 3, 5, 20, 28, 38, 40, 41, 71, 77, 78, 79 SA/NSA/Sub6 -
Speed HSPA 42.2/11.5 Mbps, LTE Cat7 300/75 Mbps, 5G HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/150 Mbps
Technology GSM / HSPA / LTE / 5G GSM / CDMA / HSPA / LTE
  1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6 CDMA 800 & TD-SCDMA
Platform
Chipset Mediatek Dimensity 920 (6 nm) Qualcomm SDM670 Snapdragon 670 (10 nm)
CPU Octa-core (2x2.5 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Octa-core (4x2.0 GHz Kryo 360 & 4x1.8 GHz Kryo 360)
GPU Mali-G68 MC4 Adreno 615
OS Android 12, XOS 12 Android 8.1 (Oreo), Funtouch 4.5
Selfie camera
Features Dual-LED flash HDR
Single 32 MP, f/2.0, (wide) 12 MP, f/2.0, (wide), 1/2.8", 1.28µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack No Yes
Loudspeaker Yes, with dual speakers Yes
  - 32-bit/192kHz Hi-Res audio