Infinix Smart 20 (4GB RAM + 128GB) vs Xiaomi Redmi A7 Pro 4G
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Overview
| Specs Score | 41 / 100 | 45 / 100 Better Specs |
| Display Resolution | 720 x 1576 pixels | 1600 x 720 pixels Better Resolution |
| Screen To Body Ratio | ~ 84.3% Less Bezels | |
| Storage | 128 GB More Storage | 64 GB |
| CPU Clock Speed | 2 GHz Faster Clock Speed | 1.8 GHz |
| Rear Camera | 8 MP | 13 MP Better Camera Resolution |
| Weight | 189 g Lighter | 208 g |
| Thickness | 7.7 mm Slimmer | 8.15 mm |
| Battery | 5200 mAh | 6300 mAh Bigger Battery |
| Unique Features | 3.5mm Audio Jack No Reverse Charging IR Blaster | No Water Resistant No No |
General
| Model | X6840, SMART 20 | MZB0N66IN, A7 Pro |
| 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 | March 27, 2026 |
| 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 | 1 x Handset, 1 x Adapter, 1 x Type-C USB Cable, 1 x Sim Eject Tool, 1 x Quick Start Guide, 1 x Warranty Card |
Design
| Dimensions | 78.8 x 167.7 x 7.7 mm | 79.47 x 171.56 x 8.15 mm |
| Weight | 189 g | 208 g |
| Colors | Shadow Black/Polaris Titanium/ Sunlike Orange/Cloudline Blue | Black |
Display
| Type | Color IPS LCD Screen (16M Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.78 inches, 720 x 1576 pixels, 120 Hz | 6.9 inches, 1600 x 720 pixels, 120 Hz |
| Aspect Ratio | 19.7:9 | 20.5:9 |
| PPI | ~ 259 PPI | ~ 254 PPI |
| Screen to Body Ratio | ~ 84.3% | |
| Brightness | 560 nits (Typical), 700 nits (HBM) | 800 nits (HBM) |
| Features | 120Hz Adaptive Display, 240Hz Touch Sample Rate, Peak brightness 800nits | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
Memory
| RAM | 4 GB | 4 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | Upto 4 GB Extra Virtual RAM |
| Storage | 128 GB | 64 GB |
| Storage Type | eMMC | UFS 2.2 |
| Card Slot | Yes, upto 2 TB | Yes, upto 2 TB |
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) | Wifi 5 |
| Bluetooth | Yes | Yes, v5.2 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB Tethering, USB Charging |
| IR Blaster | Yes | No |
Extra
| GPS | Yes | Yes |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | |
| Sensors | G-sensor, E-compass, Gyroscope (By Software), Light Sensor, Proximity Sensor, Motor, IR Blaster | Accelerometer, E Compass, |
| 3.5mm Headphone Jack | Yes | |
| AI Features | One-Tap Infinix AI, AI Voice Assistant- Folax, AI Wallpaper Generator | |
| Water Resistance | Yes | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | IP52 |
| 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 | 13 MP |
| Auto Focus | Yes | Yes |
| Features | AI Cam, Video, Dual Video, Portrait, Time-Lapse, Super Night, Pro, Panorama, Documents | HDR, Potriat, Document, Timer, Watermark, Night Mode, Google Lens, Time Lapse, Audio Shutter, Palm Shutter, QR Code Scanner |
| Video Recording | 1440p @ 30 fps QHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 8 MP 1/4'' sensor, 1.12um, AF Punch Hole | 8 MP |
| Front Video Recording | 1440p @ 30 fps QHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Front Camera Features | Time Lapse, Dual Video, Wide Selfie | HDR |
Technical
| OS | Android v16 | Android v16 |
| Custom UI | XOS16 | |
| Chipset | Mediatek Helio G81 Ultimate | Unisoc T7250 |
| CPU | 2 GHz, Octa Core Processor | 1.8 GHz, Octa Core Processor |
| GPU | Mali G52 | Mali-G57 MP1 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
Multimedia
| Yes | Yes | |
| Music | MP3, FLAC, OGG WAV, AAC, AMR, AWB, APE, MIDI | MP3, AMR, FLAC, APE |
| Video | MP4, MKV, TS, 3GP, WEBM | MP4, M4V. MKV, XVID |
| FM Radio | Yes | Yes |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5200 mAh | 6300 mAh, Li-Po Battery |
| Fast Charging | Yes, 15W | Yes, 15W Fast Charging |
| Reverse Charging | Yes, 5W | |
| StandBy Time | 38 days |
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