Physical Address
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Dorchester Center, MA 02124
The Battle for the Best: Xiaomi Redmi K90 vs Vivo iQOO 15,
Xiaomi Redmi K90
VS
Vivo iQOO 15
Specifications
Xiaomi Redmi K90
VS
Vivo iQOO 15
Build Quality
| Device Height | 157.49 mm (6.2 inches) | 163.65 mm (6.44 inches) |
| Device Width | 75.25 mm (2.96 inches) | 76.8 mm (3.02 inches) |
| Device Thickness | 8 mm (0.31 inches) | 8.1 mm (0.32 inches) |
| Device Weight | 206 g (7.27 oz) | 220 g (7.76 oz) |
| Water Resistance | IP68 | IP69 |
| Enhanced Cooling System | Vapor chamber | Vapor chamber |
| Back Panel Material | Glass | |
| Frame Construction | Metal | Metal |
| Available Color Options | White, Black, Blue, Purple | White, Black, Blue |
| Biometric Security | Yes, in-display | Yes, in-display |
| Display Coverage | 89.9% | 90.2% |
System on Chip
| Processing Chip | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 |
| Maximum Clock Speed | 4470 MHz | 4600 MHz |
| Processor Core Count | 8 (2 + 6) | 8 (2 + 6) |
| CPU Architecture | - 6 cores at 3.53 GHz: Oryon (Phoenix M)- 2 cores at 4.32 GHz: Oryon (Phoenix L) | - 6 cores at 3.63 GHz: Oryon Gen 3 Performance- 2 cores at 4.61 GHz: Oryon Gen 3 Prime |
| Level 3 Cache | 8 MB | 8 MB |
| Production Details | TSMC | TSMC |
| Chip Manufacturing Process | 3 nanometers | 3 nanometers |
| AI Processing Unit | Hexagon | Hexagon |
| Graphics Processor | Adreno 830 | Adreno 840 |
| Graphics Clock Speed | 1100 MHz | 1200 MHz |
| GPU Shader Units | 1536 | 1536 |
| Computational Performance | ~3379.2 GFLOPS | ~3686.4 GFLOPS |
Random Access Memory
| Memory Capacity | 12 GB | 12 GB |
| Memory Clock Speed | 5300 MHz | 5300 MHz |
| Memory Technology | LPDDR5X | LPDDR5X |
| Memory Channels | 4 | 4 |
Storage Specifications
| Storage Capacity | 256 GB | 256 GB |
| Storage Technology | UFS 4.1 | UFS 4.1 |
| Expandable Storage | No | No |
Operating System
| OS Version | Android 16 | Android 16 |
| Read-Only Memory | HyperOS 3 | OriginOS 6 |
Primary Camera
| Camera Sensor Configuration | 50 megapixels | 50 megapixels |
| Zoom Capability | Optical, 2.5x | Optical, 3x |
| Camera Flash | Dual LED | Dual LED |
| 8K Video Support | Up to 30FPS | Up to 30FPS |
| 4K Video Support | Up to 60FPS | Up to 60FPS |
| Full HD Video Support | Up to 60FPS | Up to 60FPS |
| Slow-Motion Video | 960 FPS (1080p) | 240 FPS (1080p) |
| Widest Lens Field of View | 120° | |
| Camera Lens Count | 1) Standard: 50 MP 2) Telephoto: 50 MP 3) Ultrawide: 8 MP | 1) Standard: 50 MP 2) Telephoto: 50 MP 3) Ultrawide: 50 MP |
| Camera Special Features | - Bokeh mode - Pro mode | - Bokeh mode - Pro mode - RAW support |
Front Camera
| Front Camera Megapixels | 20 megapixels | 32 megapixels |
| Front Camera Aperture | f/2.2 | f/2.2 |
| Front Camera Focal Length | 21 mm | |
| Front Camera Sensor | Omnivision OV20B | GalaxyCore GC32E1 |
| Front Camera Sensor Dimensions | 1/4" (≈ 0.25 inch) | 1/3.1" (≈ 0.32 inch) |
| Front Camera Pixel Size | 0.8 micron | 0.7 micron |
| Front Camera Autofocus | No | |
| Front Camera Stabilization | Digital | Digital |
| Front Camera Video Resolution | 1080p (Full HD) at 60 FPS | 2160p (4K) at 60 FPS |
| 3D Depth Sensor | No | No |
Network Specifications
| SIM Card Count | 2 | 2 |
| SIM Card Type | Nano | Nano |
| Dual SIM Functionality | Standby | Standby |
| eSIM Capability | No | Yes |
| Hybrid SIM Slot | No | No |
| 2G Network Support | GSM 850/900/1800/1900MHz | |
| 3G Network Support | WCDMA B1/B2/B4/B5/B6/B8/B19 | |
| 4G Network Support | LTE B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28A/B28B/B38/B40/B41/B42/B66 | |
| 5G Network Compatibility | Yes | Yes |
Audio Specifications
| Sound Output | Stereo | Stereo |
| 3.5mm Audio Jack | No | No |
| FM Radio | No | No |
Additional Features
| Product Category | Flagship | Flagship |
| Announcement Date | October 2025 | October 2025 |
| Initial Pricing | $370 | $590 |
| Sensor List | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
Final Rating
| Display Rating | 91 | 95 |
| Camera Rating | 83* | 87* |
| Gaming Performance Rating | 97 | 98 |
| Battery Rating | 100* | 100* |
| Connectivity Rating | 82 | 98 |
| Overall Review Score | 91* | 94* |
Phone Price Comparison
Xiaomi Redmi K90
$370.00 USD
EUR
311.06
INR
33,520.04
NGN
500,832.59
JPY
57,213.84
MYR
1,451.77
CNY
2,559.92
ZAR
5,899.13
RUB
28,599.08
GBP
270.99
CHF
283.98
Vivo iQOO 15
$590.00 USD
EUR
496.01
INR
53,450.87
NGN
798,624.94
JPY
91,232.88
MYR
2,314.98
CNY
4,082.03
ZAR
9,406.72
RUB
45,603.93
GBP
432.12
CHF
452.83
