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Sony Xperia Z2a vs Tecno Spark 40

2G Network GSM 850 / 900 / 1800 / 1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  Best smartphone
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100  
4G Network LTE 700 / 850 / 900 / 1800 / 1900 / 2100 / 2600 LTE  
Dimensions 137 x 72 x 11 mm 165.6 x 77 x 7.7 mm  
Sim Type Nano-SIM + Nano-SIM  
Weight 163 g N/A  
Display Type IPS LCD capacitive touchscreen, 16M colors, Shatter proof and scratch-resistant glass, Triluminos display, X-Reality Engine IPS LCD Capacitive Touchscreen   120Hz  
Display Size 1080 x 1920 pixels, 5.0 inches (approx. 441 ppi pixel density) 6.67 Inches   1080 x 2460 Pixels (~403 PPI)  
Multitouch Yes
Memory 16GB built-in 3GB RAM 128/256GB Built-in, 4/6/8GB RAM  
Card slot microSDXC  
GPRS Yes
WLAN WLAN (HSDPA Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth Bluetooth v4.0 with A2DP v5.4 with A2DP, LE  
USB USB ( microUSB v2.0 (MHL 3), USB On-the-go, USB Host) USB Type-C  
NFC No  
GPS Yes Yes + A-GPS support  
Main Camera 20.7MP, 5248 x 3936 pixels, autofocus, LED Flash, 1/2.3'' sensor size, Geo-tagging, touch focus, face and smile detection, image stabilization, HDR, panorama, Video 2160p@30fps, 1080p@60fps, 720p@120fps, video stabilization, HDR, Single Camera: 50 MP, (wide), PDAF Auxiliary lens, Dual LED Flash   Panorama, Video (1440p@30fps, 1080p@30fps)  
Front Camera VGA 8 MP, (wide), Dual LED Flash, Video (1080p@30fps)  
OS Android OS, v4.4.2 (KitKat) Android 15 OS  
Chipset GPU: Adreno 33 Mediatek Helio G81 (12 nm)  
Processor 2.3 GHz Quad-core Krait 400, Qualcomm MSM8974AB Snapdragon 801 Octa-core (2 x 2.0 GHz Cortex-A75 + 6x 1.8 GHz Cortex-A55)  
GPU GPU: Adreno 330 Mali-G52 MC2  
Sensors Accelerometer, gyro, proximity, compass, barometer Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5 HTML5  
Sound Stereo FM radio with RDS, 3.5mm audio jack, Xvid/MP4/H.263/H.264 player, MP3/eAAC+/WMA/WAV/Flac player, SNS integration, Games (built-in + downloadable) 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone  
Colors Black, White, Turquoise Ink Black, Titanium Grey, Veil White, Mirage Blue  
Battery Music play up to 120 hrs 3000 mAh 5200 mAh   - Fast battery 45W wired, 55 min to 100%  
StandBy Time Talk time Up to 15 hrs Stand-by Up to 690 hrs
Misc GPS + A-GPS, support, GLONASS, Active noise cancellation with dedicated mic, ANT+ support, Organizer, TV-out (via MHL 3 A/V link), Document viewer, Voice memo/dial, Predictive text input SMS(threaded view), MMS, Email, Push Mail, IM   IP64 dust tight and water resistant (water splashes), Drop resistant up to 1.5m