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Full specifications
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LAUNCH DATE3 fields
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| Announced | October, 2025 | 2026, March 25 |
| Released | October, 2025 | 2026-04-09 |
| Status | Available | Available |
NETWORK6 fields
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| 2G Bands | GSM 850 / 900 / 1800 / 1900 | GSM850, GSM900, DCS1800, PCS1900 |
| 3G Bands | HSDPA 850 / 900 / 2100 | B1(2100), B2(1900), B4(AWS), B5(850), B8(900) |
| 4G LTE | 1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66 | B1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B12(700), B17(700), B20(800), B25(1900), B26(850), B28(700), B32(1500), B66(AWS-3); B38(2600), B40(2300), B41(2500) |
| 5G | Sub‑6 GHz SA / NSA | N1(2100), N3(1800), N5(850), N7(2600), N8(900), N20(800), N28(700), N66(AWS-3); N38(2600), N40(2300), N41(2500), N77(3700), N78(3500) |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | SM / HSPA / LTE / 5G | 2G GSM, 3G WCDMA, 4G LTE FDD, 4G LTE TDD, 5G Sub6 FDD, 5G Sub6 TDD |
BODY5 fields
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| Build | Glass front, glass back, aluminum frame | Glass front (Gorilla Glass Victus+), Aluminum frame, Glass back (Gorilla Glass Victus+) |
| Dimensions | 157.5 x 75.3 x 8 mm (6.20 x 2.96 x 0.31 in) | 161.5 x 76.8 x 6.9 mm |
| IP Rating | IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) | IP68 Dust Tight and Water Resistant (immersible up to 1.5m for 30 min) |
| SIM | Dual Nano‑SIM | Dual-SIM; Nano-SIM (4FF), Embedded-SIM; SIM 1 + SIM 2 / SIM 1 + eSIM / Dual eSIM |
| Weight | 206 g (7.27 oz) | 179 g |
DISPLAY9 fields
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| Brightness | 3500 nits (peak) | 1200 nits (HBM), 1900 nits (peak) |
| Color | — | 16M |
| Features | HDR10+, Dolby Vision support | — |
| Protection | Corning Gorilla Glass Victus | Corning Gorilla Glass Victus+ |
| Refresh Rate | 120Hz | 120 Hz |
| Resolution | 1156 x 2510 pixels, 19.5:9 ratio (~419 ppi density) | 1080 x 2340 (FHD+) |
| Screen-to-body | 90% (very slim bezels) | ~88.8% |
| Size | 6.59 inches, 106.5 cm2 | 6.7 inches |
| Type | AMOLED | Super AMOLED Plus |
PLATFORM4 fields
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| CPU | Octa-core (2x4.32 GHz Prime & 6x3.53 GHz Performance, Qualcomm Oryon) | Octa-Core, 2.9GHz, 2.6GHz, 1.9GHz |
| Chipset | Qualcomm Snapdragon 8 Elite (3 nm) | Exynos 1680 (4 nm) |
| GPU | Adreno 830 | Xclipse 550 |
| OS | Android 16 | Android |
MEMORY5 fields
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| Card slot | No | No |
| Internal | 256 GB / 512 GB | 128 GB / 256 GB |
| RAM | 12 GB / 16 GB | 8 GB |
| Storage Type | UFS 4.0 | UFS |
| Storage/RAM variants | 256 GB / 512 GB; 12 GB / 16 GB RAM | 128 GB / 256 GB; 8 GB RAM |
MAIN CAMERA3 fields
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| Features | LED flash, HDR, panorama | Autofocus: Yes; OIS: Yes; Flash: Yes |
| MAIN CAMERA | 50 MP wide, OIS, 8 MP ultrawide, 2 MP macro | 50 MP main; 12 MP ultrawide; 5 MP macro; apertures f/1.8, f/2.2, f/2.4 respectively |
| Video | 8K at 30 fps, 4K at 60 fps | 4K at 30 fps |
SELFIE CAMERA3 fields
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| Features | HDR, portrait effects | HDR |
| Selfie camera | 20 MP, (wide), 1/2.0", 0.8µm | 12 MP, f/2.2; fixed focus; no OIS |
| Video | 4K video recording | 1080p@30fps |
SOUND3 fields
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| 3.5mm jack | No | USB Type-C |
| Dolby Atmos | Supported | — |
| Loudspeaker | Stereo speakers with Dolby Atmos tuning | Stereo speakers |
COMMUNICATION6 fields
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| Bluetooth | 5.4 stable low‑energy connection | Bluetooth v6.0 |
| NFC | Yes | Yes (Region Dependent) |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, Glonass, Beidou, Galileo, QZSS |
| Radio | No | No |
| USB | USB Type‑C | USB Type-C; USB 2.0 |
| WLAN | Wi‑Fi 7 | 802.11a/b/g/n/ac/ax 2.4GHz+5GHz+6GHz, HE80, MIMO, 1024-QAM |
FEATURES2 fields
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| Satellite | Not supported | — |
| Sensors | Under‑display fingerprint, accelerometer, gyro, proximity, compass | Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Proximity Sensor |
BATTERY3 fields
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| Capacity | 7100 mAh | 5000 mAh |
| Charging Type | 100W wired, PD3.0, QC3+, 100W PPS, 22.5W reverse wired | 45W wired; no wireless charging |
| Type | Li‑Po, non‑removable | Non-removable |
ADDITIONAL INFORMATION7 fields
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| Colors | Black, White, Blue, Purple | Navy, Gray, Icyblue, Lilac |
| Compatibility | — | Network bands and SIM details: Samsung UK SKU SM-A576BLBBEUB; regional variants may differ. |
| Cooling | Large vapor‑chamber cooling system | — |
| Environmental | — | 8.9% recycled content (manufacturer ECO Design specification for this regional SKU) |
| Launch Price (USD) | $390.00 (reference only — see Price in Nigeria above for the actual retail price) | — |
| Models | 2510DRK44C | SM-A576BLBBEUB |
| Price in Nigeria | ₦750,000 – ₦950,000 | ₦720,000 |
TESTS1 field
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| Battery Endurance | — | Up to 29 hours video playback (manufacturer rating; actual use varies) |
SECURITY1 field
| Specification | Redmi K90 | Galaxy A57 |
|---|---|---|
| Security | Under‑display fingerprint sensor, face unlock | Fingerprint sensor |