Infinix Smart 20 and Oppo A6X both target smartphones buyers in Nigeria, but the deciding factors are ram / storage variants and official colours.
Check the verdict first, then review the differences and table rows for Infinix Smart 20 and Oppo A6X. Prioritize the specs, price range, condition, warranty and delivery details that affect how you plan to use this product category.
Before checkout, confirm live availability, selected variant, regional compatibility and included accessories on the product page. Similar model names can hide different storage, platform, display or bundle details, so use the table as a shortlist before opening the final product listing.
| Spec | Infinix Smart 20 | Oppo A6X |
|---|---|---|
| Available Ogabassey configurations | ||
| RAM / Storage variants | 4GB + 64GB; 4GB + 128GB | |
| — |
| Official colours | Shadow Black, Polaris Titanium, Sunlike Orange, Cloudline Blue | — |
|---|
| Condition | New | — |
|---|
| Model | X6840B | — |
|---|
| Display | ||
|---|---|---|
| Screen size | 6.78 inches | — |
| Resolution | HD+ 720 x 1576 pixels | 1570 x 720 pixels (HD+) |
| Refresh rate | 45Hz / 60Hz / 90Hz / 120Hz | — |
| Display type | IPS a-Si LCD | — |
| Brightness | 560 nits typical, 700 nits HBM | — |
| Touch sampling | 120Hz at 60Hz, 180Hz at 90Hz, up to 240Hz at 120Hz | — |
| Display features | Punch-hole screen, Always-On Display and Dynamic Bar | — |
| Type | IPS a-Si LCD | LCD |
| Size | 6.78 inches | 6.75 inches |
| Peak Brightness | 700 nits | 1125 nits |
| Refresh Rate | — | 120Hz |
| Performance and software | ||
|---|---|---|
| Processor | MediaTek Helio G81 Ultimate | — |
| CPU | Octa-core: 2x2.0GHz Cortex-A75 + 6x1.7GHz Cortex-A55 | — |
| GPU | Mali-G52 | — |
| Memory technology | eMMC storage + LPDDR4X memory | — |
| Expandable storage | microSD support up to 2TB | — |
| Operating system | XOS 16, powered by Android 16 | — |
| Camera | ||
|---|---|---|
| Rear camera | 8MP, f/2.0, autofocus | — |
| Front camera | 8MP, f/2.0, fixed focus | — |
| Flash | Rear dual flash | — |
| Video recording | Front and rear: 2K 30fps, 1080p 30fps and 720p 30fps | — |
| Camera modes | Video, AI Cam, Dual Video, Portrait, Time-Lapse, Super Night, Pro, Panorama and Documents | — |
| Battery and charging | ||
|---|---|---|
| Battery | 5200mAh typical | — |
| Charging | 10W charger, 15W supported | — |
| Reverse charging | Yes, 5W supported | — |
| Connectivity | ||
|---|---|---|
| Network | 4G / 3G / 2G | — |
| SIM | 2 nano SIMs + microSD | — |
| Wi-Fi | 802.11 a/b/g/n/ac | — |
| Bluetooth | Yes | — |
| USB | USB Type-C with OTG | — |
| Earphone | 3.5mm earphone jack | — |
| FM Radio | Yes | — |
| GPS | Yes | — |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac | — |
| Positioning | GPS navigation supported | — |
| NFC | No | No |
| Radio | — | No |
| Body, calls and sensors | ||
|---|---|---|
| Dimensions | 167.7 x 78.8 x 7.7 mm | — |
| Protection | IP64 dust and splash resistance | — |
| Calling features | Pure Voice calls and voiceprint noise reduction | — |
| Offline contact | UltraLink free offline contact, up to 1km per manufacturer | — |
| Fingerprint | Fingerprint sensor | — |
| Sensors | G-sensor, e-compass, software gyroscope, light sensor, proximity sensor, fingerprint sensor, motor and infrared blaster | — |
| Network | ||
|---|---|---|
| Technology | 4G / 3G / 2G | — |
| 5G Support | No | No |
| Body | ||
|---|---|---|
| Dimensions | 167.7 x 78.8 x 7.7 | 166.6 x 78.5 x 8.6 mm |
| Build | 7.7mm ultra-slim body | — |
| SIM | Dual SIM: 2 nano SIMs + microSD | — |
| Protection | IP64 | — |
| Weight | — | 210g |
| Platform | ||
|---|---|---|
| OS | Android 16 | — |
| Chipset | MediaTek Helio G81 Ultimate | Snapdragon 685 / A6x regional chipset varies by model |
| CPU | Octa-core: 2x2.0GHz Cortex-A75 + 6x1.7GHz Cortex-A55 | — |
| GPU | Mali-G52 | — |
| Memory | ||
|---|---|---|
| Card Slot | microSD up to 2TB | No |
| Internal Storage | 128GB | — |
| RAM | 4GB | 4GB |
| Main Camera | ||
|---|---|---|
| Single Camera | 8MP | 13MP |
| Features | 8MP, f/2.0, autofocus, rear dual flash; modes include AI Cam, Video, Dual Video, Portrait, Time-Lapse, Super Night, Pro, Panorama and Documents | 13MP rear camera |
| Video | 2K 30fps, 1080p 30fps, 720p 30fps | — |
| Selfie Camera | ||
|---|---|---|
| Resolution | 8MP | 5MP |
| Features | 8MP, f/2.0, fixed focus | — |
| Video | 2K 30fps, 1080p 30fps, 720p 30fps | — |
| Sound | ||
|---|---|---|
| Loudspeaker | Yes (mono) | Yes, with stereo speakers |
| 3.5mm Jack | Yes | No |
| Features | ||
|---|---|---|
| Fingerprint | Fingerprint sensor | — |
| Sensors | G-sensor, e-compass, software gyroscope, light sensor, proximity sensor, fingerprint, motor, infrared blaster | — |
| Battery | ||
|---|---|---|
| Capacity | 5200mAh | 6500mAh |
| Wired Charging | 15W | — |
| Reverse Charging | Yes | — |
| Misc | ||
|---|---|---|
| Colors | Shadow Black, Polaris Titanium, Sunlike Orange, Cloudline Blue | Regional OPPO A6x colours vary; merchant row has no colour variants |
| Models | X6840B | — |
| Available configurations | ||
|---|---|---|
| RAM and Storage | — | 4GB RAM with 64GB, 128GB and 256GB storage variants |
| Condition | — | new |
| Display and Design | ||
|---|---|---|
| Screen Size | — | 6.75-inch |
| Display Type | — | LCD |
| Display Resolution | — | 1570 x 720 pixels (HD+) |
| Refresh Rate | — | 120Hz |
| Dimensions | — | about 166.6 x 78.5 x 8.6 mm by current specification reference |
| Weight | — | about 210g |
| Colours | — | OPPO regional colour availability varies; merchant row does not expose colour variants |
| Performance, Memory and Battery | ||
|---|---|---|
| Processor | — | Snapdragon 685 / A6x regional chipset varies by model |
| RAM and Storage | — | 4GB RAM with 64GB, 128GB and 256GB merchant storage variants |
| Battery | — | 6500mAh |
| Camera and Connectivity | ||
|---|---|---|
| Rear Camera | — | 13MP rear camera by current 4G specification reference |
| Front Camera | — | 5MP front camera |
| Network | — | 4G LTE |
Use the comparison table to choose based on the price, condition, and specs that matter most to you, especially ram / storage variants and official colours.
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