Xiaomi Redmi Note 15 5G vs Xiaomi Redmi Note 12 4G (6GB RAM + 128GB)
Quick Comparison
Xiaomi Redmi Note 15 5G has better RAM than Xiaomi Redmi Note 12 4G (6GB RAM + 128GB). In terms of display resolution, Xiaomi Redmi Note 12 4G (6GB RAM + 128GB) has better resolution of 2400 x 1080 than Xiaomi Redmi Note 15 5G which has resolution of 2392 x 1080. Both have the same amount of internal memory.
| Name | Xiaomi Redmi Note 15 5G | Xiaomi Redmi Note 12 4G (6GB RAM + 128GB) |
| RAM | 8 GB | 6 GB |
|---|---|---|
| Display | 6.77 in | 6.67 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 5520 mAh | 5000 mAh |
| Camera | 108 MP + 8 MP Dual | 50 MP + 8 MP + 2 MP Triple |
| Price | Rs. 22999 | Rs. 14999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is December 18, 2025. The cost of Xiaomi Redmi Note 15 5G is Rs. 22999. The launch Date of the second phone is March 30, 2023. The cost of Xiaomi Redmi Note 12 4G (6GB RAM + 128GB) is Rs. 14999.
Display comparison
Xiaomi Redmi Note 15 5G has larger screen size of 6.77 inches in comparison to Xiaomi Redmi Note 12 4G (6GB RAM + 128GB)'s 6.67 inch screen. There is AMOLED Screen Type in both the phones. Xiaomi Redmi Note 12 4G (6GB RAM + 128GB) has display density of 395 PPI & Xiaomi Redmi Note 15 5G has only 388 PPI display density. In terms of screen to body ratio, Xiaomi Redmi Note 15 5G has better screen to body ratio of ~ 89.7% than Xiaomi Redmi Note 12 4G (6GB RAM + 128GB)'s ~ 85.3%. Xiaomi Redmi Note 15 5G has 20.5:9 aspect ratio where as Xiaomi Redmi Note 12 4G (6GB RAM + 128GB) has 20.1:9 aspect ratio.
Memory comparison
Xiaomi Redmi Note 15 5G's larger 8 GB RAM is better for playing games and all with respect to Xiaomi Redmi Note 12 4G (6GB RAM + 128GB)'s lower 6 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
Xiaomi Redmi Note 15 5G's 108 MP + 8 MP Dual Rear Camera outshines Xiaomi Redmi Note 12 4G (6GB RAM + 128GB)'s 50 MP + 8 MP + 2 MP Triple Rear Camera in terms of resolution. Xiaomi Redmi Note 15 5G will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Xiaomi Redmi Note 12 4G (6GB RAM + 128GB)'s 13 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 15 and the second one on 13 version.
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Full Comparison
| Name | Xiaomi Redmi Note 15 5G | Xiaomi Redmi Note 12 4G (6GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | 25096RA9BG, 25098RA98G | Redmi Note 12 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | December 18, 2025 | March 30, 2023 |
| In The Box | REDMI Note 15 5G / USB Type-C Cable / SIM Eject Tool/ Protective Case / Quick Start Guide / Warranty Card | |
| Design | ||
| Dimensions | 75.4 x 164 x 7.35 mm | 75.96 x 165.66 x 7.85 mm |
| Weight | 178 g | 186 g |
| Colors | Black, Glacier Blue, Mist Purple | Onyx Gray, Mint Green, Ice Blue |
| Display | ||
| Type | Color AMOLED Screen (68B) | Color AMOLED Screen (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.77 inches, 1080 x 2392 pixels, 120 Hz | 6.67 inches, 1080 x 2400 pixels, 120 Hz |
| Aspect Ratio | 20.5:9 | 20.1:9 |
| PPI | ~ 388 PPI | ~ 395 PPI |
| Screen to Body Ratio | ~ 89.7% | ~ 85.3% |
| Glass Type | Scratch/drop-resistant glass, Mohs level 5 | Corning Gorilla Glass 3 |
| Brightness | 3200nits peak brightness, 800nits (typ) | |
| Features | Contrast Ratio: 8,000,000:1, DCI- P3 wide Color Gamut, Sunlight Display, Reading Mode, 3840Hz PWM Dimming | 16,000-level Brightness Adjustment, TÜV Rheinland Low Blue Light, (Hardware Solution) Certified, TUV Rheinland Circadian Friendly Certified, TÜV Rheinland Flicker Free Certified | 1200nits brightness, SGS eye care, Sunlight Mode, Reading Mode, Contrast ratio: 4500000:1 |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 6 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | Upto 5 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Card Slot | Yes, (Hybrid Slot), upto 1 TB | Yes, (Hybrid Slot), upto 1 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | No |
| 5G Bands | 5G NSA:n1|n3|n40|n78 5G SA: n1|n3|n5|n8|n28|n40|n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 802.11 a/b/g/n/ac, dual-band | |
| Bluetooth | Yes, v5.3, A2DP, LE | Yes, v5.0, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | Yes |
| Extra | ||
| GPS | GPS: L1 | GLONASS: G1 | BDS: B1I + B1C | Galileo: E1 | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Virtual proximity sensor | Ambient light sensor | Accelerometer | Electronic compass | IR blaster | Gyroscope | Ambient Light Sensor, Proximity Sensor, Accelerometer, Gyroscope |
| 3.5mm Headphone Jack | No | Yes |
| NFC | Yes | |
| AI Features | Gemini Live, Circle to Search | |
| Water Resistance | Yes, 1.7 m | |
| Splash Resistant | Yes | |
| IP Rating | IP65 + IP66 | IP53 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 108 MP ƒ/1.7 (Wide Angle) 0.64um, 9 in 1 1.92um 8 MP ƒ/2.2 (Ultra Wide) | 50 MP ƒ/1.8 (Wide Angle) 0.64µm, PDAF 8 MP ƒ/2.2 (Ultra Wide) 120˚, 1/4", 1.12µm 2 MP ƒ/2.4 (Macro) |
| OIS | No | |
| Auto Focus | Yes | Yes |
| Features | HDR, Panorama | Photo, Portrait, Night, Pro Mode, Document Mode, 50MP, Short Video, Panorama, Custom Watermark, Google Lens, Movie Frame, Tilt Shift, Voice Shutter, Timed Burst, Beautify, Filters, Video Features: Short Video, Slow Motion, Ultra Wide Video, Macro Video, Timelapse, Movie Frame |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 20 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash | 13 MP ƒ/2.5 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v13 |
| Custom UI | Xiaomi HyperOS 2 | MIUI 14 |
| Chipset | Qualcomm Snapdragon 6 Gen3 | Qualcomm Snapdragon 685 |
| CPU | 2.4 GHz, Octa Core Processor | 2.8 GHz, Octa Core Processor |
| Core Details | 2xCortex-A76@2.2 GHz & 6x Cortex-A55@2.0 GHz | |
| GPU | Adreno 710 | Adreno 610 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AMR, FLAC, APE | MP3, AMR, FLAC, APE |
| Video | MP4, M4V, MKV, XVID | MP4, M4V, MKV, XVID |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Audio Features | Dual Ultra-Linear Speakers, Misound tuning and Dolby Atmos | |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5520 mAh | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 45W Fast Charging | Yes, 33W Fast Charging |
| Reverse Charging | Yes, 18W | |
| StandBy Time | 26 days | |
| Music Playback Time | 8 days | |