Infinix Smart 20 and Redmi 15C 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 Redmi 15C. 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 | Redmi 15C |
|---|---|---|
| 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 | 1600 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 | Dot Drop display |
| Size | 6.78 inches | 6.9 inches |
| Peak Brightness | 700 nits | 810 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 | 5.4 |
| 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 | Wi-Fi 2.4GHz / 5GHz |
| Positioning | GPS navigation supported | GPS, Glonass, Galileo, Beidou |
| NFC | No | Yes |
| Radio | — | FM Radio |
| 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 | 4G LTE |
| 5G Support | No | No |
| Body | ||
|---|---|---|
| Dimensions | 167.7 x 78.8 x 7.7 | 171.56 x 79.47 x 7.99 mm |
| Build | 7.7mm ultra-slim body | — |
| SIM | Dual SIM: 2 nano SIMs + microSD | Dual SIM + microSD |
| Protection | IP64 | IP64 |
| Weight | — | 205g |
| Platform | ||
|---|---|---|
| OS | Android 16 | — |
| Chipset | MediaTek Helio G81 Ultimate | MediaTek Helio G81-Ultra |
| CPU | Octa-core: 2x2.0GHz Cortex-A75 + 6x1.7GHz Cortex-A55 | — |
| GPU | Mali-G52 | Mali-G52 MC2 |
| Memory | ||
|---|---|---|
| Card Slot | microSD up to 2TB | microSD, expandable up to 1TB |
| Internal Storage | 128GB | — |
| RAM | 4GB | — |
| 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 | 50MP main camera, 5P lens, f/1.8, auxiliary lens, HDR, night mode, portrait mode, time-lapse |
| Video | 2K 30fps, 1080p 30fps, 720p 30fps | 1080p at 30fps; 720p at 30fps |
| Dual Camera | — | 50MP |
| Selfie Camera | ||
|---|---|---|
| Resolution | 8MP | 8MP |
| Features | 8MP, f/2.0, fixed focus | 8MP front camera, f/2.0, HDR, soft-light ring, portrait mode, time-lapse, night mode |
| Video | 2K 30fps, 1080p 30fps, 720p 30fps | — |
| Sound | ||
|---|---|---|
| Loudspeaker | Yes (mono) | Yes (mono) |
| 3.5mm Jack | Yes | Yes |
| Features | ||
|---|---|---|
| Fingerprint | Fingerprint sensor | Side fingerprint sensor |
| Sensors | G-sensor, e-compass, software gyroscope, light sensor, proximity sensor, fingerprint, motor, infrared blaster | Virtual proximity sensor; ambient light sensor; accelerometer; electronic compass |
| Battery | ||
|---|---|---|
| Capacity | 5200mAh | 6000mAh |
| Wired Charging | 15W | 33W |
| Reverse Charging | Yes | — |
| Misc | ||
|---|---|---|
| Colors | Shadow Black, Polaris Titanium, Sunlike Orange, Cloudline Blue | Moonlight Blue, Midnight Black, Mint Green, Twilight Orange |
| Models | X6840B | — |
| Available configurations | ||
|---|---|---|
| RAM and Storage Options | — | 4GB/128GB; 6GB/128GB; 8GB/256GB |
| Condition | — | New |
| VAT | — | 7.5% VAT is configured separately at checkout |
| Official Colours | — | Moonlight Blue, Midnight Black, Mint Green, Twilight Orange |
| Display and Design | ||
|---|---|---|
| Screen Size | — | 6.9-inch |
| Display Type | — | Dot Drop display |
| Resolution | — | 1600 x 720 pixels |
| Refresh Rate | — | Up to 120Hz |
| Brightness | — | 660 nits typical; 810 nits HBM |
| Dimensions | — | 171.56 x 79.47 x 7.99 mm |
| Weight | — | 205g |
| Ingress Protection | — | IP64 |
| Performance, Memory and Battery | ||
|---|---|---|
| Processor | — | MediaTek Helio G81-Ultra |
| CPU | — | Octa-core Cortex-A75 + Cortex-A55, up to 2.0GHz |
| GPU | — | Mali-G52 MC2 |
| Memory Type | — | LPDDR4X + eMMC 5.1 |
| Expandable Storage | — | microSD up to 1TB |
| Battery | — | 6000mAh typical |
| Charging | — | 33W fast charging |
| Operating System | — | Xiaomi HyperOS 2 |
| Camera and Connectivity | ||
|---|---|---|
| Rear Camera | — | 50MP main camera, 5P lens, f/1.8, auxiliary lens, HDR, night mode, portrait mode and time-lapse |
| Front Camera | — | 8MP front camera, f/2.0, HDR, soft-light ring, portrait mode, time-lapse and night mode |
| Video Recording | — | 1080p at 30fps; 720p at 30fps |
| Network | — | 4G LTE |
| SIM | — | Dual SIM + microSD |
| Wireless | — | Wi-Fi 2.4GHz/5GHz, Bluetooth 5.4 |
| NFC | — | Yes, availability may vary by market |
| USB | — | USB Type-C |
| Audio | — | 3.5mm headphone jack and FM radio support |
| Security | — | Side fingerprint sensor and AI face unlock |
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 Redmi 15C; otherwise compare current prices and availability before buying.
Redmi Note 17 is expected for a July 14, 2026 China launch. Nigerian buyers should verify warranty, ROM, 5G bands, battery terms, charger and local price before importing or waiting.
Android 17 is live for Pixel phones, but Nigerian Redmi buyers should focus on software runway: Android base, HyperOS region build, warranty route, and the exact update screen before paying.
The Xiaomi 17T Pro is stronger for battery, video, gaming and 1TB storage, but the Xiaomi 15T remains the better-value Ogabassey pick for most Nigerian buyers.
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