Infinix Smart 20 vs OPPO A3x 5G (4GB RAM + 64GB)
Here you can compare Infinix Smart 20 and OPPO A3x 5G (4GB RAM + 64GB). Comparing Infinix Smart 20 vs OPPO A3x 5G (4GB RAM + 64GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Infinix Smart 20 stands against OPPO A3x 5G (4GB RAM + 64GB) and which one should you buy The current lowest price found for Infinix Smart 20 is ₹10,999 and for OPPO A3x 5G (4GB RAM + 64GB) is ₹14,999. The details of both of these products were last updated on Oct 26, 2026.
| Specification | Infinix Smart 20 | OPPO A3x 5G (4GB RAM + 64GB) |
|---|---|---|
| CPU | 2 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Rear Camera | 8 MP (Main) 1/4'' sensor, 1.12um, AF | 8 MP ƒ/2 (Ultra Wide) |
| Battery | 5200 mAh | 5100 mAh, Li-ion Battery |
| Display | 6.78 inches, 720 x 1576 pixels, 120 Hz | 6.67 inches, 720 x 1604 pixels, 120 Hz |
| RAM | 4 GB | 4 GB |
| Price | ₹10,999 | ₹14,999 |
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Overview
| Specs Score | 43 / 100 | 46 / 100 Better Specs |
| Display Resolution | 720 x 1576 pixels | 720 x 1604 pixels Better Resolution |
| Screen To Body Ratio | ~ 93% Less Bezels | |
| CPU Clock Speed | 2 GHz | 2.4 GHz Faster Clock Speed |
| Front Camera | 8 MP Better Front Camera Resolution | 5 MP |
| Unique Features | No Reverse Charging IR Blaster | 5G No No |
General
| Model | X6840, SMART 20 | A3x, CPH2681 |
| Sim Type | Dual Sim | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | June 08, 2026 | August 01, 2024 |
| 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 | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case |
Design
| Dimensions | 78.8 x 167.7 x 7.7 mm | 76 x 165.7 x 7.7 mm |
| Weight | 189 g | 187 g |
| Bezel less | No | |
| Colors | Shadow Black/Polaris Titanium/ Sunlike Orange/Cloudline Blue | Sparkle Black, Starlight White, Starry Purple |
Display
| Type | Color IPS LCD Screen (16M Colors) | Color LCD Screen (16.7 M) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.78 inches, 720 x 1576 pixels, 120 Hz | 6.67 inches, 720 x 1604 pixels, 120 Hz |
| Aspect Ratio | 19.7:9 | |
| PPI | ~ 259 PPI | ~ 395 PPI |
| Screen to Body Ratio | ~ 93% | |
| Brightness | 560 nits (Typical), 700 nits (HBM) | |
| Features | Color Gamut: Vivid Mode: 83% NTSC, Gentle Mode: 71% NTSC, Pixel Arrangement: Real RGB, Contrast Ratio: 1500:1, Sunlight Screen Supported, Brightness: 1,000 nits (HBM), COG Packaging Process | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 4 GB | 4 GB |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 64 GB | 64 GB |
| Storage Type | eMMC | |
| Card Slot | Yes, upto 2 TB | Yes, (Hybrid Slot) |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | No | Yes |
| 5G Bands | 5G NR: n1/n3/n5/n8/n28B/n41/n77/n78 | |
| 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) | Wi-Fi 5 (802.11ac), 802.11a/b/g/n, WLAN 2.4G/WLAN 5.1G/WLAN 5.8G, WLAN Display; WLAN tethering |
| Bluetooth | Yes | Yes, v5.3 |
| 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 on-the-go, USB Charging, USB Storage |
| IR Blaster | Yes |
Extra
| GPS | Yes | Yes with A-GPS |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | |
| Sensors | G-sensor, E-compass, Gyroscope (By Software), Light Sensor, Proximity Sensor, Motor, IR Blaster | Geomagnetic Sensor, Ambient Light Sensor, Proximity Sensor, Accelerometer, Gravity Sensor, Pedometer |
| 3.5mm Headphone Jack | Yes | Yes |
| AI Features | One-Tap Infinix AI, AI Voice Assistant- Folax, AI Wallpaper Generator | |
| Splash Resistant | Yes | Yes |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Extra Features | Always on Display "limited time", Dynamic Bar, Game Mode, Floating Windows, Split-screen Apps, Call Noise Cancellation, Ultra Link | SAR Value Head: 1.05 W/Kg, Body: 0.78 W/Kg, eMMC 5.1, LPDDR4X@2133MHz, 2 × 16 bits RAM |
Camera
| Rear Camera | 8 MP (Main) 1/4'' sensor, 1.12um, AF | 8 MP ƒ/2 (Ultra Wide) |
| Auto Focus | Yes | Yes |
| Features | AI Cam, Video, Dual Video, Portrait, Time-Lapse, Super Night, Pro, Panorama, Documents | Photo, Video, Pro, Night, Extra HD, Pano, Time-Lapse, Sticker, and Text Scanner |
| Video Recording | 1440p @ 30 fps QHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD, 720p |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 8 MP 1/4'' sensor, 1.12um, AF Punch Hole | 5 MP ƒ/2.2 (Wide Angle) Punch Hole |
| Front Video Recording | 1440p @ 30 fps QHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Front Camera Features | Time Lapse, Dual Video, Wide Selfie | Video, Photo, Portrait, Night, Pano, Time-lapse, Sticker, Extra HD |
Technical
| OS | Android v16 | Android v14 |
| Custom UI | XOS16 | ColorOS 14.0.1 |
| Chipset | Mediatek Helio G81 Ultimate | Mediatek Dimensity 6300 |
| CPU | 2 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | |
| GPU | Mali G52 | Arm Mali-G57 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 | 5100 mAh, Li-ion Battery |
| Fast Charging | Yes, 15W | Yes, 45W SUPERVOOC Charging |
| Reverse Charging | Yes, 5W | |
| StandBy Time | 38 days |
Discuss
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