Xiaomi Redmi 15 Complete Specifications
The budget 5G smartphone with 7000mAh battery and 144Hz display that redefines mid-range performance
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General Specifications
| Specification | Details |
|---|---|
| Release Date | August 2025 (Expected) |
| Dimensions | 169.5 x 80.5 x 8.4 mm |
| Weight | 217g |
| Build | Glass front, plastic frame, textured plastic back |
| IP Rating | IP64 dust/water resistant |
| Colors | Midnight Black, Frosted White, Sandy Purple |
Design Highlights
The Redmi 15 features an ergonomic design with a textured back for improved grip. The IP64 rating makes it resistant to dust and water splashes, while the 6.9-inch display maximizes screen real estate without making the device unwieldy.
Display
| Specification | Details |
|---|---|
| Type | IPS LCD, 144Hz adaptive refresh rate |
| Size | 6.9 inches |
| Resolution | FHD+ (2400 × 1080 pixels), 387 PPI |
| Refresh Rate | 144Hz adaptive (30/60/90/120/144Hz) |
| Brightness | 450 nits (typical), 600 nits HBM |
| Touch Sampling | 240Hz |
| Protection | TÜV Rheinland certified |
| Color Gamut | 96% DCI-P3 coverage |
Display Features
The 144Hz adaptive refresh rate ensures buttery smooth scrolling and gameplay while conserving battery life. The display’s 240Hz touch sampling rate provides excellent responsiveness, and the TÜV Rheinland certification guarantees reduced blue light emission for comfortable viewing.
Performance
| Specification | Details |
|---|---|
| Chipset | Qualcomm Snapdragon 6s Gen 3 (6nm) |
| CPU | Octa-core (2×2.3 GHz Cortex-A78 & 6×1.8 GHz Cortex-A55) |
| GPU | Adreno 619 |
| RAM | 4/6/8GB LPDDR4X |
| Storage | 128/256GB UFS 2.2, expandable via microSD |
| Cooling | Multi-layer cooling system |
Performance Notes
The Snapdragon 6s Gen 3 delivers excellent mid-range performance with its 6nm architecture. The combination of powerful Cortex-A78 cores and efficient Cortex-A55 cores provides a balance between performance and battery life, while the UFS 2.2 storage ensures fast app loading times.
Camera System
| Specification | Details |
|---|---|
| Main Camera | 50MP f/1.8 (Samsung ISOCELL JN1), PDAF |
| Secondary Camera | 2MP depth sensor (GalaxyCore GC02M1) |
| Video Recording | 1080p@30/60fps with EIS |
| Front Camera | 8MP f/2.0 (Omnivision OV08D10) |
| Features | LED flash, HDR, panorama, Night Mode, AI scene detection (27 scenes) |
Camera Capabilities
The 50MP main sensor captures detailed photos with good dynamic range, while the depth sensor enables portrait mode with accurate edge detection. The camera system supports AI-powered scene recognition for 27 different scenarios, automatically optimizing settings for the best results.
Battery & Charging
| Specification | Details |
|---|---|
| Capacity | 7000mAh Silicon-Carbon battery |
| Charging | 33W wired (50% in 35 mins), 18W reverse wired |
| Longevity | 80% capacity retention after 4 years (800 cycles) |
| Video Playback | Up to 28 hours (1080p, 50% brightness) |
| Standby Time | Up to 720 hours (30 days) |
Battery Performance
The massive 7000mAh battery sets new standards for endurance, easily lasting 2-3 days of moderate use. The silicon-carbon technology ensures long-term reliability, maintaining 80% capacity after 800 charge cycles. The 33W fast charging can replenish 50% battery in just 35 minutes.
Software
| Specification | Details |
|---|---|
| OS | HyperOS 2 based on Android 15 |
| Updates | 2 major OS updates, 4 years of security patches |
| Features | Game Turbo, Second Space, Reading Mode, Sidebar |
| Special Features | IR blaster, Dolby Atmos, 3.5mm headphone jack |
Software Experience
HyperOS 2 offers a clean interface with useful productivity features like Second Space for work/personal separation. The extended update policy ensures the device stays secure and up-to-date. Game Turbo optimizes performance during gaming sessions, while the IR blaster allows the phone to control home appliances.
Connectivity
| Specification | Details |
|---|---|
| Network | 5G, 4G LTE |
| Wi-Fi | Wi-Fi 5 (802.11 a/b/g/n/ac) |
| Bluetooth | 5.2 with A2DP, LE |
| GPS | GPS, GLONASS, GALILEO, BDS |
| NFC | Yes (region dependent) |
| Ports | USB Type-C 2.0, 3.5mm headphone jack |
| Other | IR blaster, stereo speakers, Dolby Atmos |
Performance Benchmarks
| Test | Score | Comparison |
|---|---|---|
| AnTuTu v10 | 492,500 | ≈ Snapdragon 778G (85% performance) |
| Geekbench 6 | Single: 850 Multi: 2,300 |
≈ Dimensity 1080 (single) ≈ Exynos 1380 (multi) |
| 3DMark Wild Life | 1,800 | ≈ Adreno 642 (65% performance) |
| PCMark Work 3.0 | 10,200 | Excellent for daily tasks |
| Battery Life | 18h 45m | Class-leading endurance |
Final Verdict
The Xiaomi Redmi 15 redefines expectations for budget smartphones with its exceptional battery life, smooth 144Hz display, and reliable performance. While it makes some compromises in camera quality and build materials, its strategic focus on core user experience creates tremendous value. Ideal for power users, students, and mobile gamers who prioritize battery life and display quality above all else.
