Both Xiaomi Redmi Note 10S (6GB RAM + 128GB) and Realme 8i (6GB RAM + 128GB) comes with same RAM. In terms of display resolution, Realme 8i (6GB RAM + 128GB) has better resolution of 2412 x 1080 than Xiaomi Redmi Note 10S (6GB RAM + 128GB) which has resolution of 2400 x 1080. Both have the same amount of internal memory.
| Name | Xiaomi Redmi Note 10S (6GB RAM + 128GB) | Realme 8i (6GB RAM + 128GB) | 
| RAM | 6 GB | 6 GB | 
|---|---|---|
| Display | 6.43 in | 6.6 in | 
| Internal Memory | 128 GB | 128 GB | 
| Battery | 5000 mAh | 5000 mAh | 
| Camera | 64 MP Quad | 50 MP + 2 MP + 2 MP Triple | 
| Price | Rs. 12999 | Rs. 10849 | 
The launch Date of the first phone is May 13, 2021 . The cost of Xiaomi Redmi Note 10S (6GB RAM + 128GB) is Rs. 12999. The launch Date of the second phone is September 09, 2021. The cost of Realme 8i (6GB RAM + 128GB) is Rs. 10849.
Realme 8i (6GB RAM + 128GB) has larger screen size of 6.6 inches in comparison to Xiaomi Redmi Note 10S (6GB RAM + 128GB)'s 6.43 inch screen. Xiaomi Redmi Note 10S (6GB RAM + 128GB) has Super AMOLED Screen type where as Realme 8i (6GB RAM + 128GB) has IPS LCD Screen type. Both have same 401 PPI. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 90.8% than Xiaomi's phone ~ 83.5%. Xiaomi Redmi Note 10S (6GB RAM + 128GB) has 20:9 aspect ratio where as Realme 8i (6GB RAM + 128GB) has 20.1:9 aspect ratio.
Both phones come with 6 GB RAM and both have same Internal Memory of 128 GB.
Xiaomi Redmi Note 10S (6GB RAM + 128GB)'s 64 MP Quad Rear Camera outshines Realme 8i (6GB RAM + 128GB)'s 50 MP + 2 MP + 2 MP Triple Rear Camera in terms of resolution. Realme 8i (6GB RAM + 128GB) 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 10S (6GB RAM + 128GB)'s 13 MP Front Camera.
Both the phones run on Android Operating System Version 11.
| Name | Xiaomi Redmi Note 10S (6GB RAM + 128GB) | Realme 8i (6GB RAM + 128GB) | 
| General | ||
| Model | Redmi Note 10s | 8i | 
| 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 | May 13, 2021 | September 09, 2021 | 
| Design | ||
| Dimensions | 74.5 x 160.46 x 8.3 mm | 75.5 x 164.1 x 8.5 mm | 
| Weight | 178.8 g | 194 g | 
| Display | ||
| Type | Color Super AMOLED Screen (16M Colors) | Color IPS LCD Screen (16.7M) | 
| Touch | Yes | Yes, 180 Hz Touch Sampling Rate | 
| Size | 6.43 inches, 1080 x 2400 pixels | 6.6 inches, 1080 x 2412 pixels, 120 Hz | 
| Aspect Ratio | 20:9 | 20.1:9 | 
| PPI | ~ 401 PPI | ~ 401 PPI | 
| Screen to Body Ratio | ~ 83.5% | ~ 90.8% | 
| Glass Type | Corning Gorilla Glass 3 | |
| Features | Standard Mode, Sunlight Mode, Night Mode, Color Temperature Adjustment | 180Hz Touch , 480 nits Maximum Brightness, 1200:1 Screen Contrast, 96% Color Saturation, COG Sealing Process | 
| Notch | Yes, Punch Hole | Yes, Punch Hole | 
| Memory | ||
| RAM | 6 GB | 6 GB | 
| Storage | 128 GB | 128 GB | 
| Storage Type | UFS 2.2 | UFS 2.2 | 
| Card Slot | Yes, upto 512 GB | Yes, upto 256 GB | 
| Connectivity | ||
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| 5G | No | |
| 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, v5.1, 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, GLONASS, GALILEO, BDS | Yes, with A-GPS, Beidou, Glonass, Galileo | 
| Fingerprint Sensor | Yes, Side | Yes, Side | 
| Face Unlock | Yes | Yes | 
| Sensors | 360̊ Ambient Light Sensor, Proximity Sensor, E Compass, Accelerometer, Gyroscope | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Gyro-meter, Acceleration Sensor, Compass | 
| 3.5mm Headphone Jack | Yes | Yes | 
| Splash Resistant | Yes | |
| Camera | ||
| Rear Camera | 64 MP ƒ/1.79 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) | 50 MP ƒ/1.8 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Portrait | 
| Camera Sensor | Sony IMX582 | |
| Auto Focus | Yes | Yes | 
| Features | Portrait, Panaroma, Time Lapse, Pro Mode, Night Mode | Ultra Steady Video, Night Mode, Panoramic View, Expert, Timelapse, Portrait Mode, HDR, Ultra Macro, AI Scene Recognition, AI Beauty, Filter, Chroma Boost, Slow Motion | 
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30/60 fps FHD, 720p | 1080p | 
| Flash | Yes, LED | Yes, LED | 
| Front Camera | 13 MP Screen Flash | 16 MP ƒ/2.05 (Wide Angle) Punch Hole, Screen Flash | 
| Front Video Recording | 1080p @ 30 fps FHD | 1080p | 
| Technical | ||
| OS | Android v11 | Android v11 | 
| Chipset | Mediatek Helio G95 | Mediatek Helio G96 | 
| CPU | 2.05 GHz, Octa Core Processor | 2.05 GHz, Octa Core Processor | 
| Core Details | 2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55 | 2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55 | 
| GPU | Mali-G76 MC4 | Mali-G57 MC2 | 
| Java | No | No | 
| Browser | Yes, supports HTML5 | Yes, supports HTML5 | 
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AMR, FLAC, APE | AAC, APE, FLAC, AMR, MID, MP3, OGG, WAV, WMA, MKA | 
| Video | MP4, M4V, MKV, XVID | MP4, 3GP, ASF, AVI, FLV, M2TS, MKV, MPG, TS, WEBM, WMV | 
| FM Radio | Yes | No | 
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 5000 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery | 
| Fast Charging | Yes, 33W Fast Charging | Yes, 18W Fast Charging | 
| Reverse Charging | Yes | |
| StandBy Time | 28 days | |
| Music Playback Time | 188 hours | |