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Lenovo Zuk Z1 vs Tecno Spark 40

2G Network SIM1: GSM 850 / 900 / 1800 / 1900 SIM2: 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 band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) LTE  
Dimensions 155.7 x 77.3 x 8.9 mm 165.6 x 77 x 7.7 mm  
Sim Type Nano-SIM + Nano-SIM  
Weight 175 g N/A  
Display Type IPS LCD capacitive touchscreen, 16M colors, CyanogenMod 12.1 IPS LCD Capacitive Touchscreen   120Hz  
Display Size 5.5 inches, 1080 x 1920 pixels (~401 ppi pixel density) 6.67 Inches   1080 x 2460 Pixels (~403 PPI)  
Multitouch Yes
Memory 64GB built-in 128/256GB Built-in, 4/6/8GB RAM  
Card slot microSDXC  
RAM 3GB RAM (LPDDR3)
GPRS Yes
WLAN WLAN (Wi-Fi 802.11 a/b/g/n/ac Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth Bluetooth v4.1 v5.4 with A2DP, LE  
USB USB (microUSB v3.0 USB Type-C  
NFC No  
GPS Yes Yes + A-GPS support  
Main Camera 13 MP, 4160 x 3120 pixels, autofocus, optical image stabilization, dual-LED flash, Geo-tagging, touch focus, face detection, panorama, Video, Single Camera: 50 MP, (wide), PDAF Auxiliary lens, Dual LED Flash   Panorama, Video (1440p@30fps, 1080p@30fps)  
Front Camera 8 MP 8 MP, (wide), Dual LED Flash, Video (1080p@30fps)  
OS Android OS, v5.1.1 (Lollipop) Android 15 OS  
Chipset Qualcomm MSM89 Mediatek Helio G81 (12 nm)  
Processor 2.5 GHz Quad-Core Krait 400 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, Fingerprint Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5 HTML5  
Sound 3.5mm Jack, MP3/WAV/WMA/eAAC+ player, MP4/H.264 player, SNS integration, Google talk 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone  
Colors White, Dark Gray Ink Black, Titanium Grey, Veil White, Mirage Blue  
Battery Talk-time up to 38 hrs 4100 mAh 5200 mAh   - Fast battery 45W wired, 55 min to 100%  
StandBy Time Stand-by up to 526 hrs
TalkTime Talk-time up to 38 hrs 4100 mAh
Misc GPS + A-GPS support, Photo video/editor, Document viewer, Dual sim, Dual stanby, Fast battery charging, Active noise cancellation with dedicated mic, Google Search, Maps, Gmail, YouTube, Calendar, Google Talk SMS(threaded view), MMS, Email, Push Mail, IM   IP64 dust tight and water resistant (water splashes), Drop resistant up to 1.5m