Product
Infinix Zero X
Infinix Zero X
OnePlus X
OnePlus X
Battery
Charging 45W wired, 40% in 15 min -
Type 4500 mAh Li-Po 2525 mAh, non-removable
Body
Build Glass front, glass back, plastic frame Glass front (Gorilla Glass 3), glass back, aluminum frame
Dimensions 164.1 x 75.7 x 7.8 mm (6.46 x 2.98 x 0.31 in) 140 x 69 x 6.9 mm (5.51 x 2.72 x 0.27 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 193 g (6.81 oz) 138 g / 160 g (4.87 oz)
Comms
Bluetooth Yes 4.0, A2DP
NFC No No
Positioning GPS GPS, GLONASS, BDS
Radio FM radio FM radio
USB USB Type-C 2.0, OTG microUSB 2.0
WLAN Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct Wi-Fi 802.11 b/g/n, hotspot
Display
Protection - Corning Gorilla Glass 3
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
Size 6.67 inches, 107.4 cm2 (~86.5% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~71.3% screen-to-body ratio)
Type AMOLED, 120Hz, 700 nits (peak) AMOLED
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity
Launch
Announced 2021, September 13 2015, October. Released 2015, November
Status Available. Released 2021, September 17 Discontinued
Main Camera
Features Quad-LED flash, HDR, panorama LED flash, panorama, HDR
Single - 13 MP, f/2.2, 1/3.1", 1.14µm, PDAF
Triple 64 MP, f/1.9, (wide), PDAF, OIS 8 MP, f/3.4, 125mm (periscope telephoto), PDAF, 5x optical zoom, OIS 8 MP, f/2.3, 13mm, 120˚ (ultrawide), 1/4.0", 1.12µm, AF -
Video 4K@30fps, 1080p@30fps 1080p@30fps, 720p@120fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 128GB 8GB RAM 16GB 3GB RAM
  UFS 2.2 eMMC 5.0
Misc
Colors Nebula Black, Starry Silver Onyx, Ceramic, Champagne
Models - ONE E1003, ONE E1001, ONE E1005
SAR - 1.11 W/kg (head)     1.11 W/kg (body)    
SAR EU - 0.32 W/kg (head)     0.42 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - Europe
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 1, 3, 5, 7, 8, 20, 38, 40 - Europe
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  - 1, 2, 4, 5, 7, 8 - USA
Our Tests
Audio quality - Noise -94.4dB / Crosstalk -94.3dB
Battery (old) - Endurance rating 54h
Display - Contrast ratio: Infinite (nominal), 3.983 (sunlight)
Loudspeaker - Voice 65dB / Noise 66dB / Ring 70dB
Performance - Basemark OS II 2.0: 1213Basemark X: 10572
Platform
Chipset Mediatek MT6785V/CD Helio G95 (12 nm) Qualcomm Snapdragon 801 (28 nm)
CPU Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Quad-core 2.3 GHz Krait 400
GPU Mali-G76 MC4 Adreno 330
OS Android 11, XOS 7.6 Android 5.1.1 (Lollipop), upgradable to 6.0.1 (Marshmallow), OxygenOS 2.2.3
Selfie camera
Features Dual-LED flash -
Single 16 MP, (wide) 8 MP, f/2.4
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes, with dual speakers Yes