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HTC One (M8) 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 - EMEA, Asia HSDPA 900 / 2100  
4G Network LTE 700 / 900 / 1800 / 2100 / 2600 - Asia LTE  
Available Yes
Dimensions 146.4 x 70.6 x 9.4 mm (5.76 x 2.78 x 0.37 in) 165.6 x 77 x 7.7 mm  
Sim Type Nano-SIM Nano-SIM + Nano-SIM  
Weight 160 g (5.64 oz) N/A  
Display Type Super LCD3 capacitive touchscreen, 16M colors IPS LCD Capacitive Touchscreen   120Hz  
Display Size 1080 x 1920 pixels, 5.0 inches (~441 ppi pixel density) 6.67 Inches   1080 x 2460 Pixels (~403 PPI)  
Multitouch Yes
Protection Corning Gorilla Glass 3
Memory 16/32 GB 128/256GB Built-in, 4/6/8GB RAM  
Card slot up to 128 GB microSDXC  
RAM 2 GB RAM
GPRS Yes
EDGE Yes
3G HSDPA, 42 Mbps (21 Mbps - AT&T), HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
WLAN Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band  
Infrared No
BlueTooth Yes, v4.0 with A2DP v5.4 with A2DP, LE  
USB Yes, microUSB v2.0 (MHL), USB On-the-go, USB Host USB Type-C  
NFC Yes (market/operator dependent) No  
GPS Yes, with A-GPS support and GLONASS Yes + A-GPS support  
Main Camera Dual 4 MP, 2688?1520 pixels, autofocus, dual-LED (dual tone) flash Single Camera: 50 MP, (wide), PDAF Auxiliary lens, Dual LED Flash   Panorama, Video (1440p@30fps, 1080p@30fps)  
Front Camera 2µm pixel size, automatic 8 MP, (wide), Dual LED Flash, Video (1080p@30fps)  
OS Android OS, v4.4.2 (KitKat) Android 15 OS  
Chipset Qualcomm MSM8974AB Snapdragon 801 Mediatek Helio G81 (12 nm)  
Processor Quad-core 2.3 GHz (US/EMEA)/ 2.5 GHz (Asia, China) Krait 400 Octa-core (2 x 2.0 GHz Cortex-A75 + 6x 1.8 GHz Cortex-A55)  
GPU Adreno 330 Mali-G52 MC2  
Sensors Accelerometer, gyro, proximity, compass, barometer Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5 HTML5  
Radio FM Radio with RDS
Sound 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone  
Colors Gunmetal Gray, Glacial Silver, Amber Gold Ink Black, Titanium Grey, Veil White, Mirage Blue  
Battery Non-removable Li-Po 2600 mAh battery 5200 mAh   - Fast battery 45W wired, 55 min to 100%  
StandBy Time Up to 271 h (2G) / Up to 496 h (3G
TalkTime Up to 14 h (2G) / Up to 20 h (3G)
Misc - SNS integration - Google Drive (50 GB cloud storage) - Active noise cancellation with dedicated mic - TV-out (via MHL A/V link) - DivX/XviD/MP4/H.263/H.264/WMV player - MP3/eAAC+/WMA/WAV/FLAC player - Google Search, Maps, Gmail, YouTube, Calendar, Google Talk - Organizer - Document viewer/editor - Photo viewer/editor - Voice memo/dial/commands - 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