Scores
| Total | 78 | 76 |
General
| Brand | Xiaomi | Vivo |
| Model | Xiaomi Redmi 15 | Vivo T4 Lite |
| Variant | 6GB + 128GB | 4GB + 128GB |
| Device Type | Smartphone | Smartphone |
| Release Date | 31 July 2025 | 23 June 2025 |
| In Box | Mobile Phone, Adapter , USB Type-C cable, SIM Eject Tool, Quick Start Guide, & Warranty Card, Safety Information | Handset, Quick Start Guide, USB Cable, Charger, Eject Tool, Phone Case, Protective Film (Applied), Warranty Card |
Display
| Size | 6.9 inches | 6.74 inches |
| Type | IPS LCD | IPS LCD |
| Resolution | 1080 × 2340 | 720 × 1600 |
| PPI | 374 | 260 |
| Refresh Rate | 144 Hz | 90 Hz |
| HDR | ❌ No | ❌ No |
| Brightness | 850 nits | 1000 nits |
| Screen to Body Ratio | ~ 86.4 % | ~ 85.19 % |
Performance
| Chipset | Snapdragon 6s Gen 3 | Dimensity 6300 |
| CPU Cores | 8 | 8 |
| Cores Details | Octa core (2.3 GHz, Dual core, Cortex A78 + 1.95 GHz, Hexa Core, Cortex A55) | Octa core (2.4 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55) |
| Max Clock Speed | 2.3 GHz | 2.4 GHz |
| GPU | Adreno 619 | Mali-G57 MC2 |
| RAM | 6GB | 4GB |
| RAM Type | LPDDR4X | LPDDR4X |
| Storage |
Camera
| Rear Camera | 50 MP AI dual camera | 50MP (wide) + 2MP (depth) |
| Rear Video | 1080p @30fps | Full HD @30fps, HD @30fps |
| Flash | ✅ Yes | ✅ Yes |
| Front Camera | 8 MP front camera | 5MP |
| Front Video | 1080p @30fps | Full HD @30 fps |
Battery & Charging
| Battery Type | Silicon-Carbon Battery | Lithium-Ion (Li-Ion) |
| Capacity | 7000 mAh | 6000 mAh |
| Fast Charging | 33 W | 15 W |
| Wireless Charging | No | No |
| Reverse Charging | 18 W | No |
Software
| Operating System | Android | Android |
| OS Version | v15 | v15 |
| Update Policy | 2 Year OS Updates and 4 Year Security Updates | 2 Years of OS Updates and 3 Years of Security Updates |
| 5G | ✅ Yes | ✅ Yes |
| 4G | ✅ Yes | ✅ Yes |
| 3G | ✅ Yes | ✅ Yes |
| SIM | Dual SIM (Nano-SIM, dual stand‑by, SIM 2 Hybrid) | Dual SIM (nano + nano) |
| Wi-Fi | Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz | Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz |
| Bluetooth | v5.1 | v5.4 |
| USB | v3.2 | v2.0 |
| NFC | ❌ No |
| Height | 168.48 mm | 167.3 mm |
| Width | 80.45 mm | 76.95 mm |
| Thickness | 8.4 mm | 8.19 mm |
| Weight | 217 g | 202 g |
| Water Resistance, IP Rating | IP64, Splash Resistant | IP64, Splash Resistant |
| Colors | Frosted White, Midnight Black, Sandy Purple | Prism Blue (India), Titanium Gold (India) |
| Fingerprint | Side | Side |
| Face Unlock | ✅ Yes | ✅ Yes |
| Speakers | 1 | 1 |
| Stereo Speakers | ❌ No | ❌ No |
| Headphone Jack | ❌ No | ✅ Yes |
| Dedicated Cooling | ❌ No | ❌ No |
| Gaming Triggers | ❌ No | ❌ No |
| AI FPS Generation | ❌ No | ❌ No |