DailyTechPricesDevice Comparison
| Mi Mix 2S | Smart 20 | |
|---|---|---|
| LAUNCH DATE | ||
| Announced | March 27, 2018 | 2026, February |
| Released | 2018, March | 2026-03-04 |
| Status | Discontinued | Available |
| NETWORK | ||
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G LTE | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 34, 38, 39, 40, 41 | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 |
| 5G | No | No |
| Speed | LTE | LTE |
| Technology | 4G/LTE/GSM | 4G / 3G / 2G |
| BODY | ||
| Build | Glass front (Gorilla Glass 4), ceramic back, aluminum frame | Glass front, plastic back, plastic frame |
| Dimensions | 150.9 x 74.9 x 8.1 mm (5.94 x 2.95 x 0.32 in) | 167.7 x 78.8 x 7.7 mm |
| IP Rating | No IP rating | IP64 |
| SIM | Nano-SIM + Nano-SIM | Dual Nano-SIM, dual standby; dedicated microSD slot |
| Weight | 191 g (6.74 oz) | 189 g |
| DISPLAY | ||
| Brightness | 459 nits (max, measured) | 560 nits typical; 700 nits HBM |
| Color | — | 72% NTSC |
| Protection | Corning Gorilla Glass 4 | No branded cover glass specified by Infinix |
| Refresh Rate | 60Hz | Up to 120 Hz |
| Resolution | 1080 x 2160 pixels, 18:9 ratio (~403 ppi density) | 720 x 1576 |
| Screen-to-body | ~81.9% | ~84.8% |
| Size | 5.99 inches, 92.6 cm2 (~81.9% screen-to-body ratio) | 6.78 inches |
| Type | IPS LCD | IPS LCD |
| PLATFORM | ||
| CPU | Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver) | Octa-core (2x2.0GHz Cortex-A75 & 6x1.7GHz Cortex-A55 |
| Chipset | Qualcomm SDM845 Snapdragon 845 (10 nm) | MediaTek Helio G81 Ultimate |
| GPU | Adreno 630 | Mali-G52 |
| OS | Android 8.0 (Oreo), upgradable to Android 10, MIUI 12 | Android 16, XOS 16 |
| MEMORY | ||
| Card slot | No | Expandable storage, up to 2 TB |
| Internal | 64GB, 128GB , 256GB | 64 GB / 128 GB |
| RAM | 6GB RAM, 8GB RAM | 4 GB |
| Storage Type | — | eMMC |
| Storage/RAM variants | 64GB, 128GB , 256GB; 6GB RAM, 8GB RAM | 64 GB / 128 GB; 4 GB RAM |
| MAIN CAMERA | ||
| Features | Dual-LED dual-tone flash, HDR, panorama | LED Flash |
| MAIN CAMERA | 12 MP, f/1.8, (wide), 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS 12 MP, f/2.4, (telephoto), 1/3.4", 1.0µm, AF, 2x optical zoom | 8 MP, f/2.0, autofocus |
| Video | 4K@30fps, 1080p@30/120fps, 720p@240fps | 2K at 30 fps; 1080p at 30 fps |
| SELFIE CAMERA | ||
| Features | HDR | Screen flash |
| Selfie camera | 5 MP, f/2.0, (wide), 1/4.0", 1.4µm | 8 MP, f/2.0 |
| Video | 1080p@30fps | 2K at 30 fps |
| SOUND | ||
| 3.5mm jack | No | Yes |
| Loudspeaker | Yes, with stereo speakers | Yes |
| COMMUNICATION | ||
| Bluetooth | 5.0, A2DP, LE | Yes |
| NFC | Yes | Yes |
| Positioning | GPS, GLONASS, BDS | Yes, with A-GPS |
| Radio | No | Yes |
| USB | USB Type-C 2.0 | USB Type-C |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Yes |
| FEATURES | ||
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, compass | G-SENSOR, E-COMPASS, GYROSCOPE, LIGHT SENSOR, PROXIMITY SENSOR, FINGERPRINT, MOTOR, INFRARED BLASTER |
| BATTERY | ||
| Capacity | 3400 mAh | 5200 mAh |
| Charging Type | 18W wired, QC3 7.5W wireless (Qi) | 15W supported; 10W charger supplied |
| Type | Li-Ion 3400 mAh, non-removable | Non-removable Li-Po Battery |
| ADDITIONAL INFORMATION | ||
| Colors | Black, White | Shadow Black, Polaris Titanium, Sunlike Orange, Cloudline Blue |
| Compatibility | — | India specification set |
| Launch Price (USD) | $171.99 (reference only — see Price in Nigeria above for the actual retail price) | — |
| Models | M1803D5XA | X6840 |
| Price in Nigeria | ₦128,000 | ₦105,000 |
| TESTS | ||
| Battery Endurance | — | PCMark battery test: 11 h 24 min; charging from 20% to 100% took 2 h 12 min (91mobiles testing). |
| Graphics | — | 3DMark Wild Life Extreme: 169; BGMI averaged 28.4 FPS; Call of Duty Mobile delivered 40-45 FPS (91mobiles testing). |
| Performance | — | AnTuTu: 366,645; Geekbench multi-core: 1,352 (91mobiles testing). |
| SECURITY | ||
| Anti-theft | — | Android Find Hub with remote locate, secure and erase functions; Android theft-protection features are configurable where supported. |
| Data Protection | — | Android 16 device encryption and screen-lock protection with fingerprint authentication. |
| Security | Biometric security: Fingerprint (rear-mounted). | Side-mounted fingerprint sensor; Android 16 with XOS 16; two years of security patches promised. |