Phone Comparison
Compare Xiaomi 17 Ultra vs Xiaomi Redmi K90 Ultra
Full specs, price, score, camera, battery, display, network, and performance comparison in one side-by-side matrix.
Better Camera
Xiaomi 17 Ultra
Better Battery
Xiaomi 17 Ultra
Better Display
Xiaomi Redmi K90 Ultra
Better Performance
Xiaomi Redmi K90 Ultra
Better Value
Xiaomi 17 Ultra
Overview
| Spec | Xiaomi 17 Ultra | Xiaomi Redmi K90 Ultra |
|---|---|---|
| Brand | Xiaomi | Xiaomi |
| Category | Flagship | Flagship |
| Price | $1,199 | $440 |
| Display | 6.9 inches | 6.83 inches |
| Processor | SD 8 Elite Gen 5 (3 nm) | Snapdragon 8 Onyon V2 Elite (3 nm) |
| RAM | 16GB | 12GB, 16GB |
| Storage | 512GB, 1TB | 256GB, 512GB |
| Battery | 6000 mAh | Si/C Li-ion 8550 mAh |
| Main Camera | 50 MP | 50 MP |
| OS | Android 16, upgradable to Android 17, HyperOS 3 | Android 16, HyperOS 3 |
Network
| Spec | Xiaomi 17 Ultra | Xiaomi Redmi K90 Ultra |
|---|---|---|
| Technology | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE / 5G |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66, 71 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 |
| 5G Bands | 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79 SA/NSA HSPA, LTE, 5G | 1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
Display
| Spec | Xiaomi 17 Ultra | Xiaomi Redmi K90 Ultra |
|---|---|---|
| Size | 6.9 inches, 116.6 cm² (~92.3% screen-to-body ratio) | 6.83 inches, 114.5 cm² (~90.3% screen-to-body ratio) |
| Resolution | 1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density) | 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density) |
| Type | LTPO AMOLED, 68B colors, 2160Hz PWM | AMOLED, 68B colors, PWM |
| Refresh Rate | 120Hz | 165Hz |
| Brightness | 3500 nits (peak) | 9500 nits (peak) |
| Protection | Xiaomi Shield Glass 3.0 | N/A |
| HDR | Dolby Vision, HDR10+ | Dolby Vision, HDR10+ |
Performance
| Spec | Xiaomi 17 Ultra | Xiaomi Redmi K90 Ultra |
|---|---|---|
| Chipset | Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) | Qualcomm SM8750-AB Snapdragon 8 Onyon V2 Elite (3 nm) |
| CPU | Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M) | Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M) |
| GPU | Adreno 840 | Adreno 830 (1200 MHz) |
| RAM | 16GB | 12GB, 16GB |
| Storage | 512GB, 1TB | 256GB, 512GB |
| Storage Type | UFS 4.1 | UFS 4.1 |
| Expandable | No | No |
Main Camera
| Spec | Xiaomi 17 Ultra | Xiaomi Redmi K90 Ultra |
|---|---|---|
| Type | Triple | Dual |
| Main | 50 MP, f/1.7, 23mm (wide), 1.0"-type, 1.6µm, dual pixel PDAF, OIS | 50 MP, f/1.7, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS |
| Ultrawide | 50 MP, f/2.2, 14mm, 115° (ultrawide), 1/2.76", 0.64µm, dual pixel PDAF | 8 MP, f/2.2, 15mm (ultrawide), 1/4.0", 1.12µm |
| Features | TOF 3D, (depth), Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama | Color spectrum sensor, LED flash, HDR, panorama |
| Video | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K@60fps, 1080p) | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+ |
Selfie Camera
| Spec | Xiaomi 17 Ultra | Xiaomi Redmi K90 Ultra |
|---|---|---|
| Type | Single | Single |
| Selfie | 50 MP, f/2.2, 21mm (wide), 1/2.7", 0.61µm, AF | 20 MP (wide) |
| Features | HDR, panorama | N/A |
| Video | 4K@30/60fps, 1080p@30/60/120fps, gyro-EIS | 1080p@30/60fps |
Battery
| Spec | Xiaomi 17 Ultra | Xiaomi Redmi K90 Ultra |
|---|---|---|
| Capacity | 6000 mAh | Si/C Li-ion 8550 mAh |
| Charging | 90W wired, 90W PPS, PD3.0, QC3+, | 100W wired, 100W PPS, PD3.0 |
| Wireless | 50W wireless | N/A |
| Reverse | 22.5W reverse wired | 22.5W reverse wired |
Body
| Spec | Xiaomi 17 Ultra | Xiaomi Redmi K90 Ultra |
|---|---|---|
| Dimensions | 162.9 x 77.6 x 8.3 mm (6.41 x 3.06 x 0.33 in) | 162.9 x 77.9 x 8.2 mm (6.41 x 3.07 x 0.32 in) |
| Weight | 218.4 g or 223.4 g (7.69 oz) | 227 g (8.01 oz) |
| Build | Glass front, glass-fiber reinforced plastic back / silicone polymer back (eco leather), aluminum frame | Glass front, aluminum frame |
| SIM | Nano-SIM + Nano-SIM + eSIM + eSIM + eSIM (max 2 at a time) | Nano-SIM + Nano-SIM |
| Water Resistance | IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 6m for 30 min) | IP68/IP69 dust tight and water resistant (high pressure water jets; immsersible up to 1.5m for 30 min) |
| Colors | Black, White, Starlit Green | Black, Blue, Silver |
Features & Connectivity
| Spec | Xiaomi 17 Ultra | Xiaomi Redmi K90 Ultra |
|---|---|---|
| Connectivity | Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct | 6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5, MIHC | GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS | Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct |
| NFC | Yes | Yes |
| USB | USB Type-C 3.2 Gen 2, DisplayPort, OTG | USB Type-C, OTG |
| Biometrics | Fingerprint (under display, ultrasonic) | Fingerprint (under display, optical) |
| Sensors | Accelerometer, proximity, gyro, compass, barometer | Accelerometer, proximity, gyro, compass |
Audio
| Spec | Xiaomi 17 Ultra | Xiaomi Redmi K90 Ultra |
|---|---|---|
| Audio | Yes, with stereo speakers | Yes, with stereo speakers (with Dolby Atmos) |
| 3.5mm Jack | No | No |
| High Bitrate Audio | 24-bit/192kHz Hi-Res & Hi-Res Wireless 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) |