Infinix Smart 20 and Oppo A6 Pro 4G (8GB/256GB) 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 A6 Pro 4G (8GB/256GB). 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 A6 Pro 4G (8GB/256GB) |
|---|---|---|
| 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 | 1080 x 2372 pixels (FHD+) |
| 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 | IPS LCD |
| Size | 6.78 inches | 6.7 inches |
| Peak Brightness | 700 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 | — |
| Build | 7.7mm ultra-slim body | — |
| SIM | Dual SIM: 2 nano SIMs + microSD | — |
| Protection | IP64 | — |
| Weight | — | 188g |
| Platform | ||
|---|---|---|
| OS | Android 16 | — |
| Chipset | MediaTek Helio G81 Ultimate | MediaTek Dimensity 6300 |
| 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 | 256GB |
| RAM | 4GB | 8GB |
| Main Camera | ||
|---|---|---|
| Single Camera | 8MP | 50MP |
| 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 | — |
| Video | 2K 30fps, 1080p 30fps, 720p 30fps | — |
| Selfie Camera | ||
|---|---|---|
| Resolution | 8MP | 16MP |
| Features | 8MP, f/2.0, fixed focus | — |
| Video | 2K 30fps, 1080p 30fps, 720p 30fps | — |
| Sound | ||
|---|---|---|
| Loudspeaker | Yes (mono) | Yes (mono) |
| 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 | 5000mAh |
| Wired Charging | 15W | 45W |
| Reverse Charging | Yes | — |
| Misc | ||
|---|---|---|
| Colors | Shadow Black, Polaris Titanium, Sunlike Orange, Cloudline Blue | Lunar Titanium, Stellar Blue, Coral Pink, Rosewood Red |
| Models | X6840B | — |
| General | ||
|---|---|---|
| Canonical product | — | OPPO A6 Pro 4G 8GB/256GB |
| Model reference | — | A6 Pro 4G regional reference |
| RAM / storage | — | 8GB RAM / 256GB storage |
| Manufacturer | — | OPPO |
| Display | — | 6.57-inch AMOLED 120Hz family display with rugged ultra-slim A6 Pro positioning on OPPO Global page |
| Processor | — | MediaTek Helio G100 Mobile Platform with dynamic RAM Expansion on OPPO Global page |
| Software | — | ColorOS generation with Trinity Engine and AI feature support depending on region |
| Feature note | — | 4G+ network, dual stereo speakers, Outdoor Mode, Glove Touch and SuperCool VC System feature claims are region-dependent |
| Camera | — | 50MP Ultra-Clear Camera with AI Night Mode, portrait and underwater photography features on OPPO Global page |
| Battery / charging | — | 7000mAh class battery with 80W SUPERVOOC Flash Charge and reverse wired charging on OPPO Global page |
| Condition | — | New |
| Buyer fit | — | Best for buyers who want a long-battery OPPO 4G phone with AMOLED display, fast charging and rugged feature set. |
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.
Infinix Smart 20 is the better fit if its advantages in ram / storage variants matter more than the savings on Oppo A6 Pro 4G (8GB/256GB); otherwise compare current prices and availability before buying.
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