Infinix Smart 20 and Tecno Spark 40 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 Tecno Spark 40. 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 | Tecno Spark 40 |
|---|---|---|
| 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 | 720 x 1600 pixels |
| 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 | AMOLED |
| Size | 6.78 inches | 6.78 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 | Yes |
| 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 | — | 185g |
| Platform | ||
|---|---|---|
| OS | Android 16 | — |
| Chipset | MediaTek Helio G81 Ultimate | MediaTek Dimensity 7300 |
| 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 | 4GB |
| Main Camera | ||
|---|---|---|
| Single Camera | 8MP | 108MP |
| 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 | 13MP |
| 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 | Obsidian Black, Lucent White, Emerald Green |
| Models | X6840B | — |
| General | ||
|---|---|---|
| Product | — | TECNO Spark 40 |
| this configuration | — | TECNO Spark 40 4GB/128GB |
| Model reference | — | SPARK 40 |
| Display | — | 6.67-inch 120Hz hole screen with 720 x 1600 resolution on official TECNO specs |
| Processor | — | MediaTek Helio G81 or G91 NFC-version processor listed by TECNO |
| Memory and storage | — | 4GB RAM / 128GB storage |
| Software | — | Android 15 on TECNO official specs |
| Camera | — | 50MP rear camera with rear dual flash and 8MP front camera with front dual flash listed by TECNO |
| Battery and charging | — | 5200mAh battery with 45W Super Charging on TECNO official specs |
| Network and compatibility | — | Confirm Nigerian network bands, dual-SIM support and exact regional SKU before checkout. |
| Key features | — | 4G network, infrared remote control, side fingerprint sensor, dual speakers and DTS Sound listed by TECNO |
| Condition | — | new |
| Buyer fit | — | Best for buyers who want a budget TECNO phone with faster charging, 50MP camera and 128GB storage. |
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 Tecno Spark 40; otherwise compare current prices and availability before buying.
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