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Lenovo Legion Duel 2 vs Tecno Spark 50

2G Network SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900   SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100   HSDPA 850 / 900 / 2100  
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)   LTE  
5G Network 5G SA/NSA  
Dimensions 176 x 78.5 x 9.9 mm   167.8 x 79.2 x 8.2 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)   Nano-SIM + Nano-SIM  
Weight 259 g   210 g  
Display Type 144Hz, HDR10+, 1300 nits (peak)   IPS LCD Capacitive Touchscreen   120Hz  
Display Size 1080 x 2460 Pixels (~388 PPI)   6.78 Inches   720 x 1600 Pixels (~259 PPI)  
Protection Corning Gorilla Glass 5  
Memory 256/512GB Built-in, 12/16GB RAM, UFS 3.1   128GB Built-in, 6GB RAM (+12GB Extended RAM)  
Card slot No   microSDXC (dedicated slot)  
GPRS Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot   Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth v5.2 with A2DP, LE   v5.3 with A2DP, LE  
USB 2 USB Type-C (2.0 & 3.1), USB On-The-Go   USB Type-C  
NFC Yes   No  
GPS Yes + dual-band A-GPS with GLONASS, BDS, GALILEO, QZSS   Yes + A-GPS support  
Main Camera Geo-tagging, face detection, Panorama, HDR, Video ([email protected], [email protected]/60fps, [email protected]/60/240fps, gyro-EIS, HDR10+ rec.)   50 MP, f/1.9, (wide), PDAF, LED Flash   Panorama, Video (1440p@30fps, 1080p@30fps)  
Front Camera 44 MP (Motorized pop-up, f/2.0, 24mm (wide), 1/2.65   8 MP, f/2.0, (wide)  
OS Android 11 OS   Android 16 OS  
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm)   MediaTek Helio G81  
Processor Octa-core (1 x 2.84 GHz Kryo 680 + 3 x 2.42 GHz Kryo 680 + 4 x 1.80 GHz Kryo 680)   Octa-core (2 x 2.0 GHz Cortex-A75 + 6 x 1.8 GHz Cortex-A55)  
GPU Adreno 660   Mali-G57 MC2  
Sensors Accelerometer, Compass, Fingerprint (under display, optical), Proximity   Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5   HTML5  
Sound MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Speaker Phone   3.5mm Audio Jack, Speaker  Phone  
Colors Titanium White, Ultimate Black   Halo Blue, Titanium Grey, Ink Black, Aurora Purple  
Battery - Fast charging 65W (single USB-C port), Fast charging 90W (dual USB-C ports), 50% in 12 min, 100% in 30 min (advertised)   7000 mAh   - 18W wired  
Misc 4 ultrasonic buttons (top), 2 capacitive sliding buttons (back), 6 pressure-sensitive zones (Gaming triggers), RGB light panel (on the back), Built-in two cooling fans, Glass front + Gorilla Glass 5), Glass back, aluminum frame, Active noise cancellation with dedicated mic, Photo/video editor, Document viewer   SMS(threaded view), MMS, Email, Push Mail, IM   Glass front, plastic frame, plastic back, IP64 dust tight and water resistant (water splashes), Drop resistant up to 1.5m