Product
Realme C21
Realme C21
Infinix Smart 5 Pro
Infinix Smart 5 Pro
Battery
Charging 10W wired Reverse wired 10W wired
Type 5000 mAh 6000 mAh
Body
Build Glass front, plastic back, plastic frame Glass front, plastic back, plastic frame
Dimensions 165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in) 164.4 x 75.6 x 9.5 mm (6.47 x 2.98 x 0.37 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 190 g (6.70 oz) -
Comms
Bluetooth 5.0, A2DP, LE 4.2, A2DP
NFC No No
Positioning GPS, GLONASS, BDS GPS
Radio FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0
WLAN Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n
Display
Resolution 720 x 1600 pixels, 20:9 ratio (~270 ppi density) 720 x 1600 pixels, 20:9 ratio (~269 ppi density)
Size 6.5 inches, 102.0 cm2 (~80.8% screen-to-body ratio) 6.52 inches, 102.6 cm2 (~82.6% screen-to-body ratio)
Type IPS LCD, 400 nits (typ) IPS LCD, 500 nits (peak)
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (rear-mounted), accelerometer, proximity
Launch
Announced 2021, March 05 2021, November 17
Status Available. Released 2021, March 05 Available. Released 2021, November 17
Main Camera
Dual 13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) 13 MP, f/1.8, AF QVGA
Features LED flash, HDR, panorama Quad-LED flash
Video 1080p@30fps 1440p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 32GB 3GB RAM, 64GB 4GB RAM 32GB 2GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Cross Black, Cross Blue Morandi Green, Heart of Ocean
Models RMX3201 -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International 1, 3, 5, 8, 38, 40, 41
Speed HSPA, LTE HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  1, 3, 5, 8, 38, 40, 41 - India 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 41, 40, 66
Platform
Chipset Mediatek MT6765G Helio G35 (12 nm) Unisoc SC9863A (28 nm)
CPU Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
GPU PowerVR GE8320 IMG8322
OS Android 10, Realme UI Android 11 (Go edition), XOS 7.6
Selfie camera
Features HDR, panorama Dual-LED flash
Single 5 MP, f/2.2, (wide), 1/5.0", 1.12µm 8 MP
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes