Xiaomi Redmi Note 15 Pro Plus has better RAM than Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB). Neither of them has front Flash. In terms of display resolution, Xiaomi Redmi Note 15 Pro Plus has better resolution of 2772 x 1280 than Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) which has resolution of 2400 x 1080. Xiaomi Redmi Note 15 Pro Plus has more internal memory than Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB)
| Name | Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) | Xiaomi Redmi Note 15 Pro Plus |
| RAM | 6 GB | 8 GB |
|---|---|---|
| Display | 6.67 in | 6.83 in |
| Internal Memory | 128 GB | 256 GB |
| Battery | 5020 mAh | 6500 mAh |
| Camera | 64 MP Quad | 200 MP + 8 MP Dual |
| Price | Rs. 12999 | Rs. 40999 |
The launch Date of the first phone is March 12, 2020 . The cost of Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) is Rs. 12999. The launch Date of the second phone is December 18, 2025. The Expected cost of Xiaomi Redmi Note 15 Pro Plus is Rs. 40999.
Xiaomi Redmi Note 15 Pro Plus has larger screen size of 6.83 inches in comparison to Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB)'s 6.67 inch screen. Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) has IPS LCD Screen type where as Xiaomi Redmi Note 15 Pro Plus has AMOLED Screen type. Xiaomi Redmi Note 15 Pro Plus has display density of 447 PPI & Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) has only 395 PPI display density. In terms of screen to body ratio, Xiaomi Redmi Note 15 Pro Plus has better screen to body ratio of ~ 89.6% than Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB)'s ~ 84.6%. Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) has 20:9 aspect ratio where as Xiaomi Redmi Note 15 Pro Plus has 20.1:9 aspect ratio.
Xiaomi Redmi Note 15 Pro Plus's larger 8 GB RAM is better for playing games and all with respect to Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB)'s lower 6 GB RAM. Xiaomi Redmi Note 15 Pro Plus has more Internal Memory (256 GB) than Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) (128 GB).
Xiaomi Redmi Note 15 Pro Plus's 200 MP + 8 MP Dual Rear Camera outshines Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB)'s 64 MP Quad Rear Camera in terms of resolution. Both of them stand equal in terms of Front Camera Resolution as both have 32 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 10.0 and the second one on 15 version.
| Name | Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) | Xiaomi Redmi Note 15 Pro Plus |
| General | ||
| Model | Redmi Note 9 Pro Max | 2510ERA8BG |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano-SIM + eSIM, Nano-SIM + Nano-SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | March 12, 2020 | December 18, 2025 |
| Design | ||
| Dimensions | 76.68 x 165.5 x 8.8 mm | 78.3 x 163.3 x 8.2 mm |
| Weight | 209 g | 207 g |
| Colors | Glacier Blue, Mocha Brown, Black | |
| Display | ||
| Type | Color IPS LCD Screen (16M Colors) | Color AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.67 inches, 1080 x 2400 pixels | 6.83 inches, 1280 x 2772 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.1:9 |
| PPI | ~ 395 PPI | ~ 447 PPI |
| Screen to Body Ratio | ~ 84.6% | ~ 89.6% |
| Glass Type | Corning Gorilla Glass Victus 2 | |
| Brightness | 3200 nits (peak) | |
| Features | Triple Corning Gorilla Glass 5, Standard Mode, Sunshine Mode, Night mode, Color Temperature Adjustment | 3840Hz PWM, HDR10+, Dolby Vision |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage | 128 GB | 256 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, upto 512 GB | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v5.4, 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 | Yes, with A-GPS, Galileo, GLONASS, Beidou, NavIC Support | Yes, with A-GPS, Galileo, GLONASS, Beidou, NavIC Support |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Ambient Light Sensor, Proximity Sensor, E Compass, Accelerometer, Gyroscope | Accelerometer, Gyro, Compass, Proximity |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| IP Rating | IP68 | |
| Dust Resistant | Yes | |
| Extra Features | UFS2.1 | |
| Camera | ||
| Rear Camera | 64 MP ƒ/1.79 (Main) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) | 200 MP ƒ/1.7 (Wide Angle) 23mm (wide), 1/1.4", 0.56µm, multi-directional PDAF, OIS 8 MP ƒ/2.2 (Ultra Wide) 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Night mode, AI Scene detection, Smart ultra-wide angle mode | AI Beautify | Burst mode | Tilt-shift | Level display | Custom watermark | Pro mode | AI Portrait mode, 3D Lighting, Panorama mode | |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30/60 fps FHD, 720p @ 30 fps HD | 4K, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2 (Main) | 32 MP ƒ/2.2 (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD, 720p @ 30 fps HD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v10.0, upgradable to v11 | Android v15 |
| Custom UI | Hyper OS 2 | |
| Chipset | Qualcomm Snapdragon 720G | Qualcomm Snapdragon 7s Gen4 |
| CPU | 2.3 GHz, Octa Core Processor | 2.7 GHz, Octa Core Processor |
| Core Details | 2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver | 1x2.7 GHz Cortex-A720 & 3x2.4 GHz Cortex-A720 & 4x1.8 GHz Cortex-A520 |
| GPU | Adreno 618 | Adreno 810 |
| Java | No | No |
| Browser | Yes, supports HTML5 | 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 | Yes | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5020 mAh, Li-Po Battery | 6500 mAh, Li-Po Battery |
| Fast Charging | Yes, 33W Fast Charging | Yes, 100W Fast Charging |
| Reverse Charging | Yes, 22.5W | |
| StandBy Time | 20 days | |
| Talk Time | 29 hours | |