Infinix Smart 20 and Samsung Galaxy S21 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 Samsung Galaxy S21. 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 | Samsung Galaxy S21 |
|---|---|---|
| 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 | 2400 x 1080 (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 | Dynamic AMOLED 2X |
| Size | 6.78 inches | 6.2 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 | USB Type-C |
| 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 | Yes |
| 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 NSA/SA and LTE listed by Samsung |
| 5G Support | No | Yes |
| Body | ||
|---|---|---|
| Dimensions | 167.7 x 78.8 x 7.7 | 71.2 x 151.7 x 7.9mm |
| Build | 7.7mm ultra-slim body | — |
| SIM | Dual SIM: 2 nano SIMs + microSD | — |
| Protection | IP64 | IP68 |
| Weight | — | 169g |
| Platform | ||
|---|---|---|
| OS | Android 16 | Android 11 |
| Chipset | MediaTek Helio G81 Ultimate | 5nm 64-bit octa-core processor |
| 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 | 128GB |
| RAM | 4GB | 8GB |
| Main Camera | ||
|---|---|---|
| Single Camera | 8MP | — |
| 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 | 12MP ultra-wide + 12MP wide + 64MP telephoto triple rear cameras |
| Video | 2K 30fps, 1080p 30fps, 720p 30fps | 8K video capture listed by Samsung |
| Triple Camera | — | 64MP |
| Selfie Camera | ||
|---|---|---|
| Resolution | 8MP | 10MP |
| 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 | 4000mAh |
| Wired Charging | 15W | 25W |
| Reverse Charging | Yes | Yes |
| Misc | ||
|---|---|---|
| Colors | Shadow Black, Polaris Titanium, Sunlike Orange, Cloudline Blue | Phantom Black, Phantom Violet, Phantom Gray, Phantom White, Phantom Pink |
| Models | X6840B | — |
| Performance | ||
|---|---|---|
| Processor | — | 5nm 64-bit octa-core processor |
| Memory | — | 8GB RAM |
| Storage configuration | — | Default configuration: 128GB Phantom Black open-box; Samsung features include 128GB and 256GB storage options for this RAM tier |
| Software | — | Android 11 |
| Display and design | ||
|---|---|---|
| Display | — | 6.2-inch FHD+ Dynamic AMOLED 2X display |
| Screen resolution | — | 2400 x 1080 (FHD+) |
| Refresh rate | — | 48-120Hz adaptive refresh rate |
| Size and weight | — | 71.2 x 151.7 x 7.9mm; 169g sub6 / 171g mmWave |
| Cameras | ||
|---|---|---|
| Rear camera | — | 12MP ultra-wide + 12MP wide + 64MP telephoto triple rear cameras |
| Front camera | — | 10MP front camera |
| Zoom | — | Hybrid Optic 3X and 30X Space Zoom |
| Stabilization | — | OIS listed on the 12MP wide and 64MP telephoto cameras |
| Connectivity and buyer notes | ||
|---|---|---|
| Wireless and ports | — | 5G NSA/SA, NFC/MST, USB-C video output, wireless charging, Wireless PowerShare and IP68 |
| Battery and charging | — | 4000mAh typical battery with USB PD 3.0 PPS charging, wireless charging and Wireless PowerShare |
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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