Phone Comparison
Compare Xiaomi Redmi K90 Ultra vs OnePlus N6
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 | OnePlus N6 |
|---|---|---|
| Brand | Xiaomi | One Plus |
| Category | Flagship | Budget |
| Price | $440 | $434 |
| Display | 6.83 inches | 6.8 inches, |
| Processor | Snapdragon 8 Onyon V2 Elite (3 nm) | Dimensity 6300 Apex (6 nm) |
| RAM | 12GB, 16GB | 4GB, 6GB |
| Storage | 256GB, 512GB | 128GB |
| Battery | Si/C Li-ion 8550 mAh | 8000 mAh |
| Main Camera | 50 MP | 50 MP |
| OS | Android 16, HyperOS 3 | Android 16, OxygenOS 16, up to 2 major Android upgrades |
Network
| Spec | Xiaomi Redmi K90 Ultra | OnePlus N6 |
|---|---|---|
| Technology | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 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 | LTE |
| 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 | OnePlus N6 |
|---|---|---|
| Size | 6.83 inches, 114.5 cm² (~90.3% screen-to-body ratio) | 6.8 inches, 113.0 cm^2 (~88.6% screen-to-body ratio) |
| Resolution | 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density) | 720 x 1570 pixels, 19.5:9 ratio (~254 ppi density) |
| Type | AMOLED, 68B colors, PWM | IPS LCD |
| Refresh Rate | 165Hz | 120Hz |
| Brightness | 9500 nits (peak) | 975 nits (typ), 1200 nits (HBM) |
| HDR | Dolby Vision, HDR10+ | N/A |
Performance
| Spec | Xiaomi Redmi K90 Ultra | OnePlus N6 |
|---|---|---|
| Chipset | Qualcomm SM8750-AB Snapdragon 8 Onyon V2 Elite (3 nm) | Mediatek Dimensity 6300 Apex (6 nm) |
| CPU | Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M) | Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| GPU | Adreno 830 (1200 MHz) | Mali-G57 MC2 |
| RAM | 12GB, 16GB | 4GB, 6GB |
| Storage | 256GB, 512GB | 128GB |
| Storage Type | UFS 4.1 | UFS 2.2 |
| Expandable | No | microSDXC (uses shared SIM slot) |
Main Camera
| Spec | Xiaomi Redmi K90 Ultra | OnePlus N6 |
|---|---|---|
| Type | Dual | Single |
| Main | 50 MP, f/1.7, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS | 50 MP, f/1.8, (wide), PDAF |
| 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, panorama |
| Video | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+ | 1080p@30/60fps |
Selfie Camera
| Spec | Xiaomi Redmi K90 Ultra | OnePlus N6 |
|---|---|---|
| Type | Single | Single |
| Selfie | 20 MP (wide) | 8 MP, f/2.0, (wide) |
| Features | N/A | Panorama |
| Video | 1080p@30/60fps | 1080p@30fps |
Battery
| Spec | Xiaomi Redmi K90 Ultra | OnePlus N6 |
|---|---|---|
| Capacity | Si/C Li-ion 8550 mAh | 8000 mAh |
| Charging | 100W wired, 100W PPS, PD3.0 | 45W wired, 50% in 47 min |
| Reverse | 22.5W reverse wired | 5W reverse wired |
Body
| Spec | Xiaomi Redmi K90 Ultra | OnePlus N6 |
|---|---|---|
| Dimensions | 162.9 x 77.9 x 8.2 mm (6.41 x 3.07 x 0.32 in) | 166.5 x 78.2 x 8.9 mm (6.56 x 3.08 x 0.35 in) |
| Weight | 227 g (8.01 oz) | 224 g (7.90 oz) |
| Build | Glass front, aluminum frame | Glass front, plastic frame, plastic back |
| 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) | IP65 dust tight and water resistant (low pressure water jets) |
| Colors | Black, Blue, Silver | Fresh Mint, Midnight Green |
Features & Connectivity
| Spec | Xiaomi Redmi K90 Ultra | OnePlus N6 |
|---|---|---|
| Connectivity | Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct | Yes |
| NFC | Yes | No |
| USB | USB Type-C, OTG | USB Type-C 2.0, OTG |
| Biometrics | Fingerprint (under display, optical) | N/A |
| Sensors | Accelerometer, proximity, gyro, compass | N/A |
Audio
| Spec | Xiaomi Redmi K90 Ultra | OnePlus N6 |
|---|---|---|
| Audio | Yes, with stereo speakers (with Dolby Atmos) | Yes |
| 3.5mm Jack | No | No |
| 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 (FLAC, WAV, AAC, and SBC master decoding with an expanded acoustic chamber providing a 400% Ultra Volume mode via Type-C & Bluetooth 5.4) |