Samsung Galaxy S9 Plus has better RAM than Xiaomi Redmi 9. In terms of display resolution, Samsung Galaxy S9 Plus has better resolution of 2960 x 1440 than Xiaomi Redmi 9 which has resolution of 1600 x 720. Both have the same amount of internal memory.
| Name | Samsung Galaxy S9 Plus | Xiaomi Redmi 9 |
| RAM | 6 GB | 4 GB |
|---|---|---|
| Display | 6.2 in | 6.53 in |
| Internal Memory | 64 GB | 64 GB |
| Battery | 3500 mAh | 5000 mAh |
| Camera | 12 MP + 12 MP Dual | 13 MP + 2 MP Dual |
| Price | Rs. 70000 | Rs. 9999 |
The launch Date of the first phone is February, 2018. The cost of Samsung Galaxy S9 Plus is Rs. 70000. The launch Date of the second phone is August 27, 2020 . The cost of Xiaomi Redmi 9 is Rs. 9999.
Xiaomi Redmi 9 has larger screen size of 6.53 inches in comparison to Samsung Galaxy S9 Plus's 6.2 inch screen. Samsung Galaxy S9 Plus has Super AMOLED Screen type where as Xiaomi Redmi 9 has LCD Screen type. Samsung's phone has display density of 531 PPI & Xiaomi's phone has only 269 PPI display density. In terms of screen to body ratio, Samsung's phone has better screen to body ratio of ~ 84.2% than Xiaomi's phone ~ 81%. Samsung Galaxy S9 Plus has 18.5:9 aspect ratio where as Xiaomi Redmi 9 has 20:9 aspect ratio.
Samsung Galaxy S9 Plus's larger 6 GB RAM is better for playing games and all with respect to Xiaomi Redmi 9's lower 4 GB RAM. and both have same Internal Memory of 64 GB.
Xiaomi Redmi 9's 13 MP + 2 MP Dual Rear Camera outshines Samsung Galaxy S9 Plus's 12 MP + 12 MP Dual Rear Camera in terms of resolution. Samsung Galaxy S9 Plus will be better choice if you're looking to click lot of selfies as it has better 8 MP Front Camera in comparison to Xiaomi Redmi 9's 5 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 8.0 and the second one on 10 version.
| Name | Samsung Galaxy S9 Plus | Xiaomi Redmi 9 |
| General | ||
| Model | Galaxy S9 Plus (64GB) | Redmi 9 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | February, 2018 | August 27, 2020 |
| Design | ||
| Dimensions | 73.8 x 158.1 x 8.5 mm | 77.07 x 164.9 x 9 mm |
| Weight | 189 g | 196 g |
| Display | ||
| Type | Color Super AMOLED Screen (16M colors Colors) | Color LCD Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.2 inches, 1440 x 2960 pixels | 6.53 inches, 720 x 1600 pixels |
| Aspect Ratio | 18.5:9 | 20:9 |
| PPI | ~ 531 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 84.2% | ~ 81% |
| Features | Corning Gorilla Glass 5 Screen Protection, Curved Display | |
| Notch | Yes, Water Drop Notch | |
| Curved Display | Yes | |
| Memory | ||
| RAM | 6 GB | 4 GB |
| Storage | 64 GB | 64 GB |
| Card Slot | Yes, (Hybrid Slot), upto 512 GB | Yes, upto 512 GB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes, v5.0, A2DP, LE |
| USB | Yes, USB-C v3.1 | Yes, microUSB v2.0 |
| USB Features | USB on-the-go, USB Charging | |
| IR Blaster | No | |
| Extra | ||
| GPS | Yes, with A-GPS Support | Yes, with A-GPS, GLONASS, BDS |
| Fingerprint Sensor | Yes | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Iris Scanner, Accelerometer, Gyro, Proximity, Compass, Barometer, Heart Rate, SpO2 | Vibration Motor, Distance Sensor, Ambient Light Sensor, Aaccelerometer, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| NFC | Yes | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| Splash Resistant | Yes, Protected by P2i | |
| IP Rating | IP68 | |
| Dust Resistant | Yes | |
| Camera | ||
| Rear Camera | 12 MP + 12 MP | 13 MP ƒ/2.2 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | Face detection, Smile detection, Geo tagging, Panorama, Touch to focus | HDR, AI Portrait Mode, Face Recognition, AI Beautify 5.0, AI Scene Detection |
| Video Recording | 4K @ 60 fps UHD | 1080p @ 30 fps FHD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 8 MP Autofocus | 5 MP ƒ/2.2 |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v8.0 (Oreo) | Android v10 |
| Chipset | Samsung Exynos 9810 | MediaTek Helio G35 |
| CPU | 2.8 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | Arm Cortex-A53 | |
| GPU | Mali-G72 MP18 | IMG PowerVR GE8320 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Supports | MMS, Instant Messaging, Voice Commands | |
| Yes, with Push Email | Yes | |
| Music | MP3, WAV, eAAC+, FLAC | Yes |
| Video | MP4, DivX, XviD | Yes |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 3500 mAh, Li-ion Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, Quick Charge 2.0 | |
| Wireless Charging | Yes | |
| Talk Time | 37 hours | |
| Music Playback Time | 164 hours | |