Both OPPO F19s and Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) comes with same RAM. Both have the same amount of internal memory.
| Name | OPPO F19s | Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) | 
| RAM | 6 GB | 6 GB | 
|---|---|---|
| Display | 6.43 in | 6.67 in | 
| Internal Memory | 128 GB | 128 GB | 
| Battery | 5000 mAh | 5020 mAh | 
| Camera | 48 MP + 2 MP + 2 MP Triple | 64 MP Quad | 
| Price | Rs. 16999 | Rs. 16999 | 
The launch Date of the first phone is September 27, 2021 . The cost of OPPO F19s is Rs. 16999. The launch Date of the second phone is March 12, 2020 . The cost of Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) is Rs. 16999.
Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) has larger screen size of 6.67 inches in comparison to OPPO F19s's 6.43 inch screen. OPPO F19s has AMOLED Screen type where as Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) has IPS LCD Screen type. OPPO's phone has display density of 411 PPI & Xiaomi's phone has only 395 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 90.8% than Xiaomi's phone ~ 84.6%. Both mobiles have same aspect ratio of 20:9.
Both phones come with 6 GB RAM and both have same Internal Memory of 128 GB.
Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB)'s 64 MP Quad Rear Camera outshines OPPO F19s's 48 MP + 2 MP + 2 MP Triple Rear Camera in terms of resolution. Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to OPPO F19s's 16 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 | OPPO F19s | Xiaomi Redmi Note 9 Pro Max (6GB RAM + 128GB) | 
| General | ||
| Model | CPH2223, F19s | Redmi Note 9 Pro Max | 
| 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 | September 27, 2021 | March 12, 2020 | 
| Design | ||
| Dimensions | 73.8 x 160.3 x 7.95 mm | 76.68 x 165.5 x 8.8 mm | 
| Weight | 175 g | 209 g | 
| Display | ||
| Type | Color AMOLED Screen (16M Colors) | Color IPS LCD Screen (16M Colors) | 
| Touch | Yes | Yes | 
| Size | 6.43 inches, 1080 x 2400 pixels, 60 Hz | 6.67 inches, 1080 x 2400 pixels | 
| Aspect Ratio | 20:9 | 20:9 | 
| PPI | ~ 411 PPI | ~ 395 PPI | 
| Screen to Body Ratio | ~ 90.8% | ~ 84.6% | 
| Features | Color Gamut: 92% DCI-P3 (Typ), 100% sRGB (Typ), 1000000:1 Contrast Ratio, Oleophobic Coating, Night Mode, Eye Comfort, SCHOTT X-UP Front Screen Protection Glass | Triple Corning Gorilla Glass 5, Standard Mode, Sunshine Mode, Night mode, Color Temperature Adjustment | 
| Notch | Yes, Punch Hole | Yes, Punch Hole | 
| Memory | ||
| RAM | 6 GB | 6 GB | 
| Storage | 128 GB | 128 GB | 
| Storage Type | UFS 2.1 | |
| Card Slot | Yes, upto 256 GB | Yes, upto 512 GB | 
| Connectivity | ||
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | 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, aptX HD | 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 | |
| Extra | ||
| GPS | Yes, with A-GPS, BeiDou, GLONASS, Galileo | Yes, with A-GPS, Galileo, GLONASS, Beidou, NavIC Support | 
| Fingerprint Sensor | Yes, In Display | Yes, Side | 
| Face Unlock | Yes | Yes | 
| Sensors | Accelerometer, Gyro, Proximity, Compass | Ambient Light Sensor, Proximity Sensor, E Compass, Accelerometer, Gyroscope | 
| 3.5mm Headphone Jack | Yes | Yes | 
| Extra Features | 3D Curved Body, Game Focus Mode, Low Battery SMS Notification | UFS2.1 | 
| Camera | ||
| Rear Camera | 48 MP ƒ/1.7 (Wide Angle) 2 MP ƒ/2.4 2 MP ƒ/2.4 (Macro) Macro  | 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)  | 
| Auto Focus | Yes | Yes | 
| Features | Panorama, Portrait, Time-lapse, Slow-motion, Text Scanner, and Google Lens | 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 | 1080p, 720p | 4K @ 30 fps UHD, 1080p @ 30/60 fps FHD, 720p @ 30 fps HD | 
| Flash | Yes, LED | Yes, LED | 
| Front Camera | 16 MP ƒ/2.4 (Wide Angle) Punch Hole, Screen Flash  | 32 MP ƒ/2 (Main) | 
| Front Video Recording | 1080p | 1080p @ 30 fps FHD, 720p @ 30 fps HD | 
| Technical | ||
| OS | Android v11 | Android v10.0, upgradable to v11 | 
| Chipset | Qualcomm Snapdragon 662 | Qualcomm Snapdragon 720G | 
| CPU | 2 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor | 
| Core Details | 4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver | 2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver | 
| GPU | Adreno 610 | Adreno 618 | 
| Java | No | No | 
| Browser | Yes | Yes, supports HTML5 | 
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AAC, APE, AMR, WAV, MID, OGG, FLAC, WMA | MP3, AMR, FLAC, APE | 
| Video | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV | MP4, M4V, MKV, XVID | 
| FM Radio | Yes | Yes | 
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 5000 mAh, Li-Po Battery | 5020 mAh, Li-Po Battery | 
| Fast Charging | Yes, 33W Flash Charge | Yes, 33W Fast Charging | 
| StandBy Time | 20 days | |
| Talk Time | 29 hours | |