Phone Comparison
Compare Xiaomi Redmi K90 Ultra vs Xiaomi Redmi 17C
Full specs, price, score, camera, battery, display, network, and performance comparison in one side-by-side matrix.
Better Camera
Xiaomi Redmi K90 Ultra
Better Battery
Xiaomi Redmi K90 Ultra
Better Display
Xiaomi Redmi K90 Ultra
Better Performance
Xiaomi Redmi K90 Ultra
Better Value
Xiaomi Redmi K90 Ultra
Overview
| Spec | Xiaomi Redmi K90 Ultra | Xiaomi Redmi 17C |
|---|---|---|
| Brand | Xiaomi | Xiaomi |
| Category | Flagship | Entry Level Phones |
| Price | $440 | $100 |
| Display | 6.83 inches | 6.88 inches |
| Processor | Snapdragon 8 Onyon V2 Elite (3 nm) | Helio G81 Ultra (12 nm) |
| RAM | 12GB, 16GB | 4GB |
| Storage | 256GB, 512GB | 64GB, 128GB |
| Battery | Si/C Li-ion 8550 mAh | 5160 mAh |
| Main Camera | 50 MP | 13 MP |
| OS | Android 16, HyperOS 3 | Android 16 |
Network
| Spec | Xiaomi Redmi K90 Ultra | Xiaomi Redmi 17C |
|---|---|---|
| Technology | GSM / HSPA / LTE / 5G | GSM / CDMA / HSPA / LTE |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 CDMA 800 |
| 3G Bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 | 1, 3, 5, 8, 34, 38, 39, 40, 41 |
| 5G Bands | 1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA | N/A |
| Speed | HSPA, LTE, 5G | HSPA, LTE |
Display
| Spec | Xiaomi Redmi K90 Ultra | Xiaomi Redmi 17C |
|---|---|---|
| Size | 6.83 inches, 114.5 cm² (~90.3% screen-to-body ratio) | 6.88 inches, 112.4 cm^2 (~84.0% screen-to-body ratio) |
| Resolution | 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density) | 720 x 1640 pixels (~260 ppi density) |
| Type | AMOLED, 68B colors, PWM | IPS LCD |
| Refresh Rate | 165Hz | 120Hz |
| Brightness | 9500 nits (peak) | 450 nits (typ), 600 nits (HBM) |
| HDR | Dolby Vision, HDR10+ | N/A |
Performance
| Spec | Xiaomi Redmi K90 Ultra | Xiaomi Redmi 17C |
|---|---|---|
| Chipset | Qualcomm SM8750-AB Snapdragon 8 Onyon V2 Elite (3 nm) | Mediatek Helio G81 Ultra (12 nm) |
| CPU | Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M) | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) |
| GPU | Adreno 830 (1200 MHz) | Mali-G52 MC2 |
| RAM | 12GB, 16GB | 4GB |
| Storage | 256GB, 512GB | 64GB, 128GB |
| Storage Type | UFS 4.1 | eMMC 5.1 |
| Expandable | No | microSDXC (dedicated slot) |
Main Camera
| Spec | Xiaomi Redmi K90 Ultra | Xiaomi Redmi 17C |
|---|---|---|
| Type | Dual | Single |
| Main | 50 MP, f/1.7, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS | 13 MP, f/2.2, 25mm (wide) |
| Ultrawide | 8 MP, f/2.2, 15mm (ultrawide), 1/4.0", 1.12µm | N/A |
| Features | Color spectrum sensor, LED flash, HDR, panorama | LED flash |
| Video | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+ | 1080p@30fps |
Selfie Camera
| Spec | Xiaomi Redmi K90 Ultra | Xiaomi Redmi 17C |
|---|---|---|
| Type | Single | Single |
| Selfie | 20 MP (wide) | 5 MP |
| Video | 1080p@30/60fps | 1080p@30fps |
Battery
| Spec | Xiaomi Redmi K90 Ultra | Xiaomi Redmi 17C |
|---|---|---|
| Capacity | Si/C Li-ion 8550 mAh | 5160 mAh |
| Charging | 100W wired, 100W PPS, PD3.0 | 18W wired, PD |
| Reverse | 22.5W reverse wired | N/A |
Body
| Spec | Xiaomi Redmi K90 Ultra | Xiaomi Redmi 17C |
|---|---|---|
| Dimensions | 162.9 x 77.9 x 8.2 mm (6.41 x 3.07 x 0.32 in) | 171.9 x 77.8 x 8.2 mm (6.77 x 3.06 x 0.32 in) |
| Weight | 227 g (8.01 oz) | 206 g (7.27 oz) |
| Build | Glass front, aluminum frame | Glass front, plastic frame, plastic back or silicone polymer back (eco leather) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Water Resistance | IP68/IP69 dust tight and water resistant (high pressure water jets; immsersible up to 1.5m for 30 min) | N/A |
| Colors | Black, Blue, Silver | Black, Red, Light blue |
Features & Connectivity
| Spec | Xiaomi Redmi K90 Ultra | Xiaomi Redmi 17C |
|---|---|---|
| Connectivity | Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| NFC | Yes | No |
| USB | USB Type-C, OTG | USB Type-C 2.0 |
| Biometrics | Fingerprint (under display, optical) | Fingerprint (side-mounted) |
| Sensors | Accelerometer, proximity, gyro, compass | Accelerometer, compass Virtual proximity sensing |
Audio
| Spec | Xiaomi Redmi K90 Ultra | Xiaomi Redmi 17C |
|---|---|---|
| Audio | Yes, with stereo speakers (with Dolby Atmos) | Yes |
| 3.5mm Jack | No | Yes |
| High Bitrate Audio | Yes (Native 24-bit/192kHz Hi-Res Audio mastering, Bose-tuned 1115X symmetrical dual stereo speakers, Dolby Atmos, Snapdragon Sound, and high-definition LDAC/LHDC 5.0 streaming via Bluetooth 5.4 and Type-C 3.2) | Yes (Standard FLAC, WAV, and high-definition LDAC decoding protocols are natively supported through both Bluetooth 5.4 and the integrated physical 3.5mm headphone jack) |