Product
Infinix Zero Ultra
Infinix Zero Ultra
Xiaomi Mi 8 Explorer
Xiaomi Mi 8 Explorer
Battery
Charging 180W wired, 100% in 12 min 18W wired, QC4
Type 4500 mAh Li-Po 3000 mAh, non-removable
Body
Build - Glass front (Gorilla Glass 5), glass back, aluminum frame (7000 series)
Dimensions 165.5 x 74.5 x 8.8 mm - Coslight Silver165.5 x 75.1 x 9.2 mm - Genesis Noir 154.9 x 74.8 x 7.6 mm (6.10 x 2.94 x 0.30 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 213 g (7.51 oz) 177 g (6.24 oz)
Comms
Bluetooth Yes 5.0, A2DP, LE, aptX HD
NFC Yes (market/region dependent) Yes
Positioning GPS GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5)
Radio FM radio No
USB USB Type-C 2.0, OTG USB Type-C
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, DLNA
Display
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 5
Resolution 1080 x 2400 pixels, 20:9 ratio (~387 ppi density) 1080 x 2248 pixels (~402 ppi density)
Size 6.8 inches, 111.6 cm2 (~90.5% screen-to-body ratio) 6.21 inches, 97.1 cm2 (~83.8% screen-to-body ratio)
Type AMOLED, 120Hz, 900 nits (HBM) Super AMOLED, HDR10
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Face ID, fingerprint (under display, optical), accelerometer, gyro, proximity, barometer, compass
Launch
Announced 2022, October 05 2018, May. Released 2018, July
Status Available. Released 2022, October 25 Discontinued
Main Camera
Dual - 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS 12 MP, f/2.4, 1/3.4", 1.0µm, AF, 2x optical zoom
Features Dual-LED flash, HDR, panorama Dual-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@60fps, 1080p@30/240fps, 720p@960fps
Memory
Card slot No No
Internal 256GB 8GB RAM 128GB 8GB RAM
Misc
Colors Coslight Silver, Genesis Noir Black (transparent back)
Models X6820 -
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, 7, 8, 12, 17, 20, 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 (4CA) Cat16 1024/150 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 SDM845 Snapdragon 845 (10 nm)
CPU Octa-core (2x2.5 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
GPU Mali-G68 MC4 Adreno 630
OS Android 12, XOS 12 Android 8.1 (Oreo), upgradable to Android 10, MIUI 12
Selfie camera
Features Dual-LED flash -
Single 32 MP, f/2.0, (wide) 20 MP, f/2.0, (wide), 1/3", 0.9µm TOF 3D, (depth/biometrics sensor)
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack No No
Loudspeaker Yes, with dual speakers Yes