OnePlus X vs Walton Primo ZX2 Mini vs Xiaomi MI4s

BASIC INFO
Model No OnePlus x Primo ZX2 Mini -
Status Discontinued Available. Released, February 2016 Available. Released 2016, March
Release Date 2015, October 2016, January 2016, February
Dimension 140 x 69 x 6.9 mm (5.51 x 2.72 x 0.27 in) 151.9 x 74.6 x 6.9 mm 139.3 x 70.8 x 7.8 mm (5.48 x 2.79 x 0.31 in)
Weight 138 g / 160 g (4.87 oz) 147 g 133 g (4.69 oz)
Colors Onyx, Ceramic, Champagne Golden, Liquid Silver, Slate Gray Black, White, Gold, Pink
Body Metrial - - -
W & D Proof - - -
SIM Type Dual SIM (Nano-SIM, dual stand-by) 1 Micro SIM+ 1 Nano SIM Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
Technology GSM / HSPA / LTE GSM / UMTS/ LTE GSM / CDMA / HSPA / LTE
OS Android OS, v5.1 (Lollipop) Android OS, v5.1 (Lollipop) Android OS, v5.1.1 (Lollipop)
PROSESSING
Processor Quad-core 2.3 GHz Krait 400 Octa-core 1.3 GHz Cortex-A53 Quad-core 1.44 GHz Cortex-A53 & dual-core 1.82 GHz Cortex-A57
Chipset Qualcomm Snapdragon 801 MediaTek MT6753 Qualcomm MSM8992 Snapdragon 808
GPU Adreno 330 Mali-T720MP3 Adreno 418
MEMORY
RAM 3GB 3GB 3GB
Storage 16GB 32GB 64GB
Card Slot up to 128 GB (dedicated slot) up to 128 GB (dedicated slot) up to 128 GB (uses SIM 2 slot)
DISPLAY
Size 5 inches 5.5 inches 5 inches
Type Full HD IPS LCD capacitive touchscreen, 16M colors SUPER Amoled capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors
Resolation 1080 x 1920 pixels 720 x 1280 pixels 1080 x 1920 pixels
PPI 441 ppi pixel density 344 ppi pixel density 441 ppi pixel density
Multi touch Yes Yes, Up to 10 fingers Yes, MIUI 7.0
Protection Corning Gorilla Glass 3, OxygenOS 2.2.0 3rd Generation Corning Gorilla Glass(Both Back&Front) -
CAMERA
Primary 13 MP, f/2.2, phase detection autofocus BSI 13 MP, autofocus 13 MP 4160 x 3120 Pixels, Autofocus
Video Yes, 2160p@30fps, 1080p@60fps, HDR, video stabilization, dual-video rec. Yes, 1080p@30fps Yes, 2160p@30fps, 1080p@30fps
Flash Led flash Led flash Led Flash
Features 1/3 sensor size, 1.14 µm pixel size, geo-tagging, touch focus, face detection, panorama, HDR Geo-tagging, Touch focus, face/smile detection, HDR, panorama, Digital Zoom, Continuous Touch, V-Capture etc. Geo-tagging, touch focus, face/smile detection, panorama, HDR
Selfie Yes, 8 MP, f/2.4 8 MP, 720p, Aperture f2.2, Touch Focus, Face Beauty, GIF etc. Yes, 5 MP, 1080p@30fps
BATTERY
Battery Li-Po Li-Po Li-Ion
Capacity 2525 mAh 3150 mAh 3260 mAh
Removable Non-removable Yes Non-removable
StandBy - - -
Talk Time - - -
Music Play - - -
Browsing - - -
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 - Europe
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA
UMTS 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100
TD-SCDMA
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) - Europe
LTE band 1(2100), 2(1900), 4(1700/2100), 5(850), 7(2600), 8(900) - USA
LTE FDD 1800/2100/2600,LTE TDD 1900/2300/2500/2600 MHz LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
Speed HSPA, LTE 3G/EDGE/GPRS/HSPA+/4G HSPA, LTE Cat4 150/50 Mbps
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 b/g/n, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
BlueTooth Yes, v4.0, A2DP Yes, v4.0 v4.1, A2DP
USB Yes, microUSB v2.0, USB Host Yes, Type-C USB 2.0 Type-C 1.0 reversible connector
GPS Yes, with A-GPS support and GLONASS Yes, A-GPS, Digital Compass Yes, with A-GPS, GLONASS, BDS
NFC No No No
Audio jeck Yes, 3.5mm Yes, 3.5mm Yes, 3.5mm
OTHERS
Sensors Accelerometer, gyro, proximity Accelerometer, Proximity, Gyroscope sensor, Compass sensor, Hall sensor Fingerprint, accelerometer, gyro, proximity, compass
Radio Stereo FM radio Stereo FM radio with RDS FM radio
SARUS 1.11 W/kg (head), 1.11 W/kg (body) - -
SAREU 0.32 W/kg (head), 0.42 W/kg (body) - -
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