Infinix Smart 20 (4GB RAM + 128GB) vs Tecno Spark 40
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Overview
| Specs Score | 44 / 100 | 50 / 100 Better Specs |
| Display Resolution | 720 x 1576 pixels | 720 x 1600 pixels Better Resolution |
| Screen To Body Ratio | ~ 84.2% Less Bezels | |
| Rear Camera | 8 MP | 50 MP Better Camera Resolution |
| Weight | 189 g Lighter | |
| Unique Features | No Reverse Charging | Water Resistant No |
General
| Model | X6840, SMART 20 | |
| Sim Type | Dual Sim | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | June 08, 2026 | July 02, 2025 |
| In The Box | 1 X Handset, 1 X 10W Adaptor, 1 X USB Type-C Cable, 1 X Soft Film, 1 X TPU Case, 1 X SIM Ejector pin, 1 X Quick Start Guide, 1 X Warranty Card |
Design
| Dimensions | 78.8 x 167.7 x 7.7 mm | 77 x 165.6 x 7.7 mm |
| Weight | 189 g | |
| Bezel less | No | |
| Colors | Shadow Black/Polaris Titanium/ Sunlike Orange/Cloudline Blue | Ink Black, Titanium Grey, Veil White, Mirage Blue |
Display
| Type | Color IPS LCD Screen (16M Colors) | Color IPS Screen |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.78 inches, 720 x 1576 pixels, 120 Hz | 6.67 inches, 720 x 1600 pixels, 120 Hz |
| Aspect Ratio | 19.7:9 | |
| PPI | ~ 259 PPI | ~ 263 PPI |
| Screen to Body Ratio | ~ 84.2% | |
| Brightness | 560 nits (Typical), 700 nits (HBM) | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 4 GB | 4 GB |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | eMMC | |
| Card Slot | Yes, upto 2 TB | Yes |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | No | |
| VoLTE | Yes, Dual Stand-By | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 802.11 (a/b/g/n/ac) | |
| Bluetooth | Yes | Yes |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB Tethering, USB on-the-go, USB Charging, USB Storage |
| IR Blaster | Yes | Yes |
Extra
| GPS | Yes | Yes |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Sensors | G-sensor, E-compass, Gyroscope (By Software), Light Sensor, Proximity Sensor, Motor, IR Blaster | Software Gyroscope, Infrared Remote Control |
| 3.5mm Headphone Jack | Yes | Yes |
| AI Features | One-Tap Infinix AI, AI Voice Assistant- Folax, AI Wallpaper Generator | |
| Water Resistance | Yes, 1.5 m | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | IP64 |
| Dust Resistant | Yes | Yes |
| Extra Features | Always on Display "limited time", Dynamic Bar, Game Mode, Floating Windows, Split-screen Apps, Call Noise Cancellation, Ultra Link |
Camera
| Rear Camera | 8 MP (Main) 1/4'' sensor, 1.12um, AF | 50 MP (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | AI Cam, Video, Dual Video, Portrait, Time-Lapse, Super Night, Pro, Panorama, Documents | |
| Video Recording | 1440p @ 30 fps QHD, 1080p @ 30 fps FHD | 1440p @ 30 fps QHD, 1080p @ 30 fps FHD |
| Flash | Yes, Dual LED | Yes, Dual LED |
| Front Camera | 8 MP 1/4'' sensor, 1.12um, AF Punch Hole | 8 MP (Wide Angle) Punch Hole |
| Front Video Recording | 1440p @ 30 fps QHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v16 | Android v15 |
| Custom UI | XOS16 | |
| Chipset | Mediatek Helio G81 Ultimate | Mediatek Helio G81 |
| CPU | 2 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| GPU | Mali G52 | Mali-G52 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | MP3, FLAC, OGG WAV, AAC, AMR, AWB, APE, MIDI | Yes |
| Video | MP4, MKV, TS, 3GP, WEBM | Yes |
| FM Radio | Yes | Yes |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5200 mAh | 5200 mAh |
| Fast Charging | Yes, 15W | Yes, 45W |
| Reverse Charging | Yes, 5W | |
| StandBy Time | 38 days |
Discuss
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