Both Xiaomi Redmi 8 (4GB RAM + 64GB) and Realme C21 (4GB RAM + 64GB) comes with same RAM. In terms of display resolution, Realme C21 (4GB RAM + 64GB) has better resolution of 720 x 1600 than Xiaomi Redmi 8 (4GB RAM + 64GB) which has resolution of 1520 x 720. Both have the same amount of internal memory.
| Name | Xiaomi Redmi 8 (4GB RAM + 64GB) | Realme C21 (4GB RAM + 64GB) |
| RAM | 4 GB | 4 GB |
|---|---|---|
| Display | 6.22 in | 6.5 in |
| Internal Memory | 64 GB | 64 GB |
| Battery | 5000 mAh | 5000 mAh |
| Camera | 12 MP + 2 MP Dual | 13 MP + 2 MP + 2 MP Triple |
| Price | Rs. 8490 | Rs. 9999 |
The launch Date of the first phone is October 9, 2019. The cost of Xiaomi Redmi 8 (4GB RAM + 64GB) is Rs. 8490. The launch Date of the second phone is April 8, 2021. The cost of Realme C21 (4GB RAM + 64GB) is Rs. 9999.
Realme C21 (4GB RAM + 64GB) has larger screen size of 6.5 inches in comparison to Xiaomi Redmi 8 (4GB RAM + 64GB)'s 6.22 inch screen. Both the phones have IPS LCD Screen Type. Xiaomi's phone has display density of 271 PPI & Realme's phone has only 269 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 89.5% than Xiaomi's phone ~ 81.7%. Xiaomi Redmi 8 (4GB RAM + 64GB) has 19:9 aspect ratio where as Realme C21 (4GB RAM + 64GB) has 20:09 aspect ratio.
Both mobiles come with 4 GB RAM and both have same Internal Memory of 64 GB.
Realme C21 (4GB RAM + 64GB)'s 13 MP + 2 MP + 2 MP Triple Rear Camera outclasses Xiaomi Redmi 8 (4GB RAM + 64GB)'s 12 MP + 2 MP Dual Rear Camera in terms of resolution. Xiaomi Redmi 8 (4GB RAM + 64GB) will be better choice if you're looking to click lot of selfies as it has better 8 MP Front Camera in comparison to Realme C21 (4GB RAM + 64GB)'s 5 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 9.0 and the second one on 10 version.
| Name | Xiaomi Redmi 8 (4GB RAM + 64GB) | Realme C21 (4GB RAM + 64GB) |
| General | ||
| Model | Redmi 8 | RMX3201, C21 |
| 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 | October 9, 2019 | April 8, 2021 |
| Design | ||
| Dimensions | 75.4 x 156.3 x 9.4 mm | 76.4 x 165.2 x 8.9 mm |
| Weight | 188 g | 190 g |
| Display | ||
| Type | Color IPS LCD Screen (16M Colors) | Color IPS LCD Screen (16.7M) |
| Touch | Yes | Yes, 120 Hz Touch Sampling Rate |
| Size | 6.22 inches, 720 x 1520 pixels | 6.5 inches, 1600 x 720 pixels, 60 Hz |
| Aspect Ratio | 19:9 | 20:09 |
| PPI | ~ 271 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 81.7% | ~ 89.5% |
| Features | Corning Gorilla Glass 5 | 120 Hz Touch , Sunlight Screen Support, COG Sealing Process, WideVine L3 |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage | 64 GB | 64 GB |
| Card Slot | Yes, upto 512 GB | Yes, upto 256 GB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v4.2 | Yes, v5.0 |
| USB | Yes, USB-C v2.0 | Yes, microUSB |
| 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 |
| Fingerprint Sensor | Yes, Rear | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Compass | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Acceleration Sensor |
| 3.5mm Headphone Jack | Yes | Yes |
| Splash Resistant | Yes | |
| Extra Features | Night Shield, Step Tracker, Game Space, APP Market, Theme Store, Clone Phone, Phone Manager, Telephone Number Identification, TUV Rheinland Certified | |
| Camera | ||
| Rear Camera | 12 MP ƒ/1.8 (Main) 2 MP (Depth Sensor) | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Mono |
| Camera Sensor | CMOS Sensor | |
| Auto Focus | Yes | Yes |
| Features | 6P Lens and Dual PD, Portrait, Bokeh, Panaroma | Supports 20 Continuous Shooting, Photograph Functions: Night Mode, Panoramic View, Expert, Timelapse, Portrait Mode, HDR, Ultra Macro, AI Beauty, Filter, Chroma Boost, Video Recording Functions: Filter, Slow Motion, HDR |
| Video Recording | 1080p @ 30 fps FHD | 720p, 720P |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 (Main) | 5 MP |
| Front Video Recording | 1080p @ 30 fps FHD | 720p |
| Technical | ||
| OS | Android v9.0 (Pie) | Android v10, upgradable to v11 |
| Chipset | Qualcomm Snapdragon 439 | MediaTek Helio G35 |
| CPU | 2 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 2x2.0 GHz Cortex-A53 & 6x1.45 GHz Cortex A53 | Arm Cortex-A53 |
| GPU | Adreno 505 | IMG GE8320 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | AAC, HE-AAC v1, HE-AAC v2, AMR, AWB, MIDI, MP3, OGG VORBIS |
| Video | Yes | MP4, 3GP, 3G2, 3GPP, 3GPP2, M4V, MKV |
| FM Radio | Yes | No |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 18W Fast Charging Support | |
| Reverse Charging | Yes | |