OnePlus 9 has better RAM than Xiaomi Redmi Note 9. In terms of display resolution, OnePlus 9 has better resolution of 2400 x 1080 than Xiaomi Redmi Note 9 which has resolution of 2340 x 1080. OnePlus 9 has more internal memory than Xiaomi Redmi Note.
| Name | OnePlus 9 | Xiaomi Redmi Note 9 |
| RAM | 8 GB | 4 GB |
|---|---|---|
| Display | 6.55 in | 6.53 in |
| Internal Memory | 128 GB | 64 GB |
| Battery | 4500 mAh | 5020 mAh |
| Camera | 50 MP + 48 MP + 2 MP Triple | 48 MP Quad |
| Price | Rs. 23599 | Rs. 8999 |
The launch Date of the first phone is March 23, 2021 . The cost of OnePlus 9 is Rs. 23599. The launch Date of the second phone is July 20, 2020 . The cost of Xiaomi Redmi Note 9 is Rs. 8999.
OnePlus 9 has larger screen size of 6.55 inches in comparison to Xiaomi Redmi Note 9's 6.53 inch screen. OnePlus 9 has Screen type where as Xiaomi Redmi Note 9 has IPS LCD Screen type. Xiaomi's phone has display density of 403 PPI & OnePlus's phone has only 396 PPI display density. In terms of screen to body ratio, OnePlus's phone has better screen to body ratio of ~ 89.7% than Xiaomi's phone ~ 83.5%. OnePlus 9 has 20:9 aspect ratio where as Xiaomi Redmi Note 9 has 19.5:9 aspect ratio.
OnePlus 9's larger 8 GB RAM is better for playing games and all with respect to Xiaomi Redmi Note 9's lower 4 GB RAM. OnePlus 9 has more Internal Memory (128 GB) than Xiaomi Redmi Note 9 (64 GB).
They both have the same 50 MP + 48 MP + 2 MP Triple Rear Camera. OnePlus 9 will be better choice if you're looking to click lot of selfies as it has better 16 MP Front Camera in comparison to Xiaomi Redmi Note 9's 13 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 11 and the second one on 10.0 version.
| Name | OnePlus 9 | Xiaomi Redmi Note 9 |
| General | ||
| Model | 9 5G | Redmi Note 9 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | March 23, 2021 | July 20, 2020 |
| Design | ||
| Dimensions | 73.9 x 160 x 8.1 mm | 77.2 x 162.3 x 8.9 mm |
| Weight | 183 g | 199 g |
| Display | ||
| Type | Color Fluid AMOLED (16M Colors) | Color IPS LCD Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.55 inches, 1080 x 2400 pixels, 120 Hz | 6.53 inches, 1080 x 2340 pixels |
| Aspect Ratio | 20:9 | 19.5:9 |
| PPI | ~ 396 PPI | ~ 403 PPI |
| Screen to Body Ratio | ~ 89.7% | ~ 83.5% |
| Glass Type | Corning Gorilla Glass 6 | Corning Gorilla Glass 5 |
| Features | Reading Mode, Night Mode, Vibrant Color Effect, HDR | Reading Mode 2.0, Plastic Frame |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 4 GB |
| Storage | 128 GB | 64 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | No | Yes, upto 512 GB |
| 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, v5.2, A2DP, LE, aptX HD, LDAC, AAC | Yes, v5.0, A2DP, LE |
| USB | Yes, USB-C v3.1 | Yes, USB-C |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | yes with A-GPS | yes with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, In Display | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Electronic Compass, Gyroscope, Ambient Light Sensor, Proximity Sensor, Sensor Core, Flick-detect Sensor | Light sensor, Proximity sensor, Accelerometer, Compass |
| 3.5mm Headphone Jack | No | Yes |
| NFC | Yes | |
| Splash Resistant | Yes | |
| Camera | ||
| Rear Camera | 48 MP ƒ/1.8 (Main) 50 MP ƒ/2.2 (Ultra Wide) 2 MP Monochrome | 48 MP ƒ/1.79 (Main) 8 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Co-Developed by Hasselblad, Nightscape, Super Macro, UltraShot HDR, Smart Scene Recognition, Portrait mode, Pro mode, Panorama | Night Mode, Document Mode, Cinematic portraits, HDR, Panorama, Pro mode, Portrait |
| Video Recording | 8K @ 30 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 30/60 fps FHD | 1080p @ 30 fps FHD, 720p @ 120/30 fps HD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 16 MP ƒ/2.4 Punch Hole, Screen Flash | 13 MP ƒ/2.3 (Main) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v11, upgradable to v12 | Android v10.0 |
| Chipset | Qualcomm Snapdragon 888 | MediaTek Helio G85 |
| CPU | 2.84 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| Core Details | Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 | 2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55 |
| GPU | Adreno 660 | Mali-G52 MC2 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AAC, AAC+, WMA, AMR-NB, AMR-WB, WAV, FLAC, APE, OGG, MID, M4A, IMY, AC3, EAC3, EAC3-JOC, AC4 | MP3, AMR, FLAC, APE |
| Video | MKV, MOV, MP4, H.265(HEVC), AVI, WMV, TS, 3GP, FLV, WEBM | MP4, M4V, MKV, XVID |
| FM Radio | Yes | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4500 mAh, Li-Po Battery | 5020 mAh, Li-ion Battery |
| Fast Charging | Yes, Warp Charge 65T | Yes, 22.5W Fast Charging |
| Reverse Charging | Yes, 9W Reverse Charging | |
| Talk Time | 34 hours | |
| Music Playback Time | 171 hours | |