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Full specifications
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LAUNCH DATE3 fields
| Specification | Redmi K20 | Spark 50 4G |
|---|---|---|
| Announced | July 17, 2019 | 2026, April 14 |
| Released | 2019, July | 2026-04-14 |
| Status | Discontinued | Available |
NETWORK6 fields
| Specification | Redmi K20 | Spark 50 4G |
|---|---|---|
| 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 / 1700(AWS) / 1900 / 2100 |
| 4G LTE | 1, 3, 5, 7, 8, 34, 38, 39, 40, 41 | LTE |
| 5G | No | No |
| Speed | LTE | LTE |
| Technology | 4G/LTE/GSM | 2G | 3G | 4G |
BODY5 fields
| Specification | Redmi K20 | Spark 50 4G |
|---|---|---|
| Build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame | Glass front, plastic back, plastic frame |
| Dimensions | 156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in) | 167.8 x 79.2 x 8.2 mm (6.61 x 3.12 x 0.32 in) |
| IP Rating | No IP rating | IP64 dust tight and water resistant (water splashes) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 191 g (6.74 oz) | 210 g (7.41 oz) |
DISPLAY7 fields
| Specification | Redmi K20 | Spark 50 4G |
|---|---|---|
| Brightness | 430 nits (typ), 600 nits (peak) | — |
| Protection | Corning Gorilla Glass 5 | — |
| Refresh Rate | 60Hz | 120Hz |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) | 720*1600 |
| Screen-to-body | ~86.1% | ~83.5% |
| Size | 6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio) | Main: 6.78 inches |
| Type | Super AMOLED, HDR | IPS LCD, 120Hz |
PLATFORM4 fields
| Specification | Redmi K20 | Spark 50 4G |
|---|---|---|
| CPU | Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) |
| Chipset | Qualcomm SDM730 Snapdragon 730 (8 nm) | MediaTek Helio G81 |
| GPU | Adreno 618 | Mali-G52 MC2 |
| OS | Android 9.0 (Pie), upgradable to Android 10, MIUI 12 | Android 16 |
MEMORY4 fields
| Specification | Redmi K20 | Spark 50 4G |
|---|---|---|
| Card slot | No | microSDXC (dedicated slot) |
| Internal | 64GB, 128GB , 256GB | 128 GB |
| RAM | 6GB RAM, 8GB RAM | 4 GB / 6 GB physical RAM |
| Storage/RAM variants | 64GB, 128GB , 256GB; 6GB RAM, 8GB RAM | 128 GB; 4 GB / 6 GB physical RAM |
MAIN CAMERA3 fields
| Specification | Redmi K20 | Spark 50 4G |
|---|---|---|
| Features | Dual-LED flash, HDR, panorama | LED flash, HDR, panorama |
| MAIN CAMERA | 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.4, 53mm (telephoto), 1/4.0", 1.12µm, PDAF, 2x optical zoom 13 MP, f/2.4, 12mm (ultrawide), 1/3.1", 1.12µm | 50MP, Rear Flash |
| Video | 4K@30fps, 1080p@30/120/240fps, 1080p@960fps | 1080p@30fps |
SELFIE CAMERA3 fields
| Specification | Redmi K20 | Spark 50 4G |
|---|---|---|
| Features | HDR | HDR |
| Selfie camera | Motorized pop-up 20 MP, f/2.2, (wide), 1/3.4", 0.8µm | 8MP, Front Flash |
| Video | 1080p@30fps | 1080p@30fps |
SOUND2 fields
| Specification | Redmi K20 | Spark 50 4G |
|---|---|---|
| 3.5mm jack | Yes | Yes |
| Loudspeaker | Yes, with dual speakers | Stereo speakers |
COMMUNICATION6 fields
| Specification | Redmi K20 | Spark 50 4G |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE, aptX HD | Yes |
| NFC | Yes (China only) | No |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS |
| Radio | FM radio | FM radio |
| USB | USB Type-C 2.0, OTG | USB-C |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Yes |
FEATURES1 field
| Specification | Redmi K20 | Spark 50 4G |
|---|---|---|
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Software Gyroscope | Side Fingerprint Sensor | Infrared Remote Control |
BATTERY3 fields
| Specification | Redmi K20 | Spark 50 4G |
|---|---|---|
| Capacity | 4000 mAh | 7000mAh |
| Charging Type | 18W wired | 18W charging |
| Type | Li-Po 4000 mAh, non-removable | 7000 mAh, non-removable |
ADDITIONAL INFORMATION5 fields
| Specification | Redmi K20 | Spark 50 4G |
|---|---|---|
| Colors | Carbon black, Red flame, Glacier blue, Pearl White | Halo Blue / Neo Titanium / Ink Black |
| Compatibility | — | Bangladesh specification set |
| Launch Price (USD) | $170.00 (reference only — see Price in Nigeria above for the actual retail price) | — |
| Models | M1903F10I | — |
| Price in Nigeria | ₦188,000 | ₦175,000 |
SECURITY1 field
| Specification | Redmi K20 | Spark 50 4G |
|---|---|---|
| Security | Biometric security: Fingerprint (under display, optical). | Side-mounted fingerprint sensor |